Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3542 insertions, 0 deletions

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
new file mode 100644
index 000000000..1200973c7
--- /dev/null
+++ b/tools/perf/builtin-script.c
@@ -0,0 +1,3542 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "builtin.h"
+
+#include "perf.h"
+#include "util/cache.h"
+#include "util/debug.h"
+#include <subcmd/exec-cmd.h>
+#include "util/header.h"
+#include <subcmd/parse-options.h>
+#include "util/perf_regs.h"
+#include "util/session.h"
+#include "util/tool.h"
+#include "util/symbol.h"
+#include "util/thread.h"
+#include "util/trace-event.h"
+#include "util/util.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/sort.h"
+#include "util/data.h"
+#include "util/auxtrace.h"
+#include "util/cpumap.h"
+#include "util/thread_map.h"
+#include "util/stat.h"
+#include "util/color.h"
+#include "util/string2.h"
+#include "util/thread-stack.h"
+#include "util/time-utils.h"
+#include "util/path.h"
+#include "print_binary.h"
+#include <linux/bitmap.h>
+#include <linux/kernel.h>
+#include <linux/stringify.h>
+#include <linux/time64.h>
+#include "asm/bug.h"
+#include "util/mem-events.h"
+#include "util/dump-insn.h"
+#include <dirent.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "sane_ctype.h"
+
+static char const		*script_name;
+static char const		*generate_script_lang;
+static bool			debug_mode;
+static u64			last_timestamp;
+static u64			nr_unordered;
+static bool			no_callchain;
+static bool			latency_format;
+static bool			system_wide;
+static bool			print_flags;
+static bool			nanosecs;
+static const char		*cpu_list;
+static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
+static struct perf_stat_config	stat_config;
+static int			max_blocks;
+
+unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
+
+enum perf_output_field {
+	PERF_OUTPUT_COMM            = 1U << 0,
+	PERF_OUTPUT_TID             = 1U << 1,
+	PERF_OUTPUT_PID             = 1U << 2,
+	PERF_OUTPUT_TIME            = 1U << 3,
+	PERF_OUTPUT_CPU             = 1U << 4,
+	PERF_OUTPUT_EVNAME          = 1U << 5,
+	PERF_OUTPUT_TRACE           = 1U << 6,
+	PERF_OUTPUT_IP              = 1U << 7,
+	PERF_OUTPUT_SYM             = 1U << 8,
+	PERF_OUTPUT_DSO             = 1U << 9,
+	PERF_OUTPUT_ADDR            = 1U << 10,
+	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
+	PERF_OUTPUT_SRCLINE         = 1U << 12,
+	PERF_OUTPUT_PERIOD          = 1U << 13,
+	PERF_OUTPUT_IREGS	    = 1U << 14,
+	PERF_OUTPUT_BRSTACK	    = 1U << 15,
+	PERF_OUTPUT_BRSTACKSYM	    = 1U << 16,
+	PERF_OUTPUT_DATA_SRC	    = 1U << 17,
+	PERF_OUTPUT_WEIGHT	    = 1U << 18,
+	PERF_OUTPUT_BPF_OUTPUT	    = 1U << 19,
+	PERF_OUTPUT_CALLINDENT	    = 1U << 20,
+	PERF_OUTPUT_INSN	    = 1U << 21,
+	PERF_OUTPUT_INSNLEN	    = 1U << 22,
+	PERF_OUTPUT_BRSTACKINSN	    = 1U << 23,
+	PERF_OUTPUT_BRSTACKOFF	    = 1U << 24,
+	PERF_OUTPUT_SYNTH           = 1U << 25,
+	PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
+	PERF_OUTPUT_UREGS	    = 1U << 27,
+	PERF_OUTPUT_METRIC	    = 1U << 28,
+	PERF_OUTPUT_MISC            = 1U << 29,
+};
+
+struct output_option {
+	const char *str;
+	enum perf_output_field field;
+} all_output_options[] = {
+	{.str = "comm",  .field = PERF_OUTPUT_COMM},
+	{.str = "tid",   .field = PERF_OUTPUT_TID},
+	{.str = "pid",   .field = PERF_OUTPUT_PID},
+	{.str = "time",  .field = PERF_OUTPUT_TIME},
+	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
+	{.str = "event", .field = PERF_OUTPUT_EVNAME},
+	{.str = "trace", .field = PERF_OUTPUT_TRACE},
+	{.str = "ip",    .field = PERF_OUTPUT_IP},
+	{.str = "sym",   .field = PERF_OUTPUT_SYM},
+	{.str = "dso",   .field = PERF_OUTPUT_DSO},
+	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
+	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
+	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
+	{.str = "period", .field = PERF_OUTPUT_PERIOD},
+	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
+	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
+	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
+	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
+	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
+	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
+	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
+	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
+	{.str = "insn", .field = PERF_OUTPUT_INSN},
+	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
+	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
+	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
+	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
+	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
+	{.str = "metric", .field = PERF_OUTPUT_METRIC},
+	{.str = "misc", .field = PERF_OUTPUT_MISC},
+};
+
+enum {
+	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
+	OUTPUT_TYPE_MAX
+};
+
+/* default set to maintain compatibility with current format */
+static struct {
+	bool user_set;
+	bool wildcard_set;
+	unsigned int print_ip_opts;
+	u64 fields;
+	u64 invalid_fields;
+} output[OUTPUT_TYPE_MAX] = {
+
+	[PERF_TYPE_HARDWARE] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
+			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
+
+		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
+	},
+
+	[PERF_TYPE_SOFTWARE] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
+			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
+			      PERF_OUTPUT_BPF_OUTPUT,
+
+		.invalid_fields = PERF_OUTPUT_TRACE,
+	},
+
+	[PERF_TYPE_TRACEPOINT] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
+	},
+
+	[PERF_TYPE_HW_CACHE] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
+			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
+
+		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
+	},
+
+	[PERF_TYPE_RAW] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
+			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
+			      PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
+			      PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
+
+		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
+	},
+
+	[PERF_TYPE_BREAKPOINT] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
+			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
+
+		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
+	},
+
+	[OUTPUT_TYPE_SYNTH] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
+			      PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
+
+		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
+	},
+};
+
+struct perf_evsel_script {
+       char *filename;
+       FILE *fp;
+       u64  samples;
+       /* For metric output */
+       u64  val;
+       int  gnum;
+};
+
+static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
+{
+	return (struct perf_evsel_script *)evsel->priv;
+}
+
+static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
+							struct perf_data *data)
+{
+	struct perf_evsel_script *es = zalloc(sizeof(*es));
+
+	if (es != NULL) {
+		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
+			goto out_free;
+		es->fp = fopen(es->filename, "w");
+		if (es->fp == NULL)
+			goto out_free_filename;
+	}
+
+	return es;
+out_free_filename:
+	zfree(&es->filename);
+out_free:
+	free(es);
+	return NULL;
+}
+
+static void perf_evsel_script__delete(struct perf_evsel_script *es)
+{
+	zfree(&es->filename);
+	fclose(es->fp);
+	es->fp = NULL;
+	free(es);
+}
+
+static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
+{
+	struct stat st;
+
+	fstat(fileno(es->fp), &st);
+	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
+		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
+}
+
+static inline int output_type(unsigned int type)
+{
+	switch (type) {
+	case PERF_TYPE_SYNTH:
+		return OUTPUT_TYPE_SYNTH;
+	default:
+		return type;
+	}
+}
+
+static inline unsigned int attr_type(unsigned int type)
+{
+	switch (type) {
+	case OUTPUT_TYPE_SYNTH:
+		return PERF_TYPE_SYNTH;
+	default:
+		return type;
+	}
+}
+
+static bool output_set_by_user(void)
+{
+	int j;
+	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
+		if (output[j].user_set)
+			return true;
+	}
+	return false;
+}
+
+static const char *output_field2str(enum perf_output_field field)
+{
+	int i, imax = ARRAY_SIZE(all_output_options);
+	const char *str = "";
+
+	for (i = 0; i < imax; ++i) {
+		if (all_output_options[i].field == field) {
+			str = all_output_options[i].str;
+			break;
+		}
+	}
+	return str;
+}
+
+#define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
+
+static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
+				      u64 sample_type, const char *sample_msg,
+				      enum perf_output_field field,
+				      bool allow_user_set)
+{
+	struct perf_event_attr *attr = &evsel->attr;
+	int type = output_type(attr->type);
+	const char *evname;
+
+	if (attr->sample_type & sample_type)
+		return 0;
+
+	if (output[type].user_set) {
+		if (allow_user_set)
+			return 0;
+		evname = perf_evsel__name(evsel);
+		pr_err("Samples for '%s' event do not have %s attribute set. "
+		       "Cannot print '%s' field.\n",
+		       evname, sample_msg, output_field2str(field));
+		return -1;
+	}
+
+	/* user did not ask for it explicitly so remove from the default list */
+	output[type].fields &= ~field;
+	evname = perf_evsel__name(evsel);
+	pr_debug("Samples for '%s' event do not have %s attribute set. "
+		 "Skipping '%s' field.\n",
+		 evname, sample_msg, output_field2str(field));
+
+	return 0;
+}
+
+static int perf_evsel__check_stype(struct perf_evsel *evsel,
+				   u64 sample_type, const char *sample_msg,
+				   enum perf_output_field field)
+{
+	return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
+					  false);
+}
+
+static int perf_evsel__check_attr(struct perf_evsel *evsel,
+				  struct perf_session *session)
+{
+	struct perf_event_attr *attr = &evsel->attr;
+	bool allow_user_set;
+
+	if (perf_header__has_feat(&session->header, HEADER_STAT))
+		return 0;
+
+	allow_user_set = perf_header__has_feat(&session->header,
+					       HEADER_AUXTRACE);
+
+	if (PRINT_FIELD(TRACE) &&
+		!perf_session__has_traces(session, "record -R"))
+		return -EINVAL;
+
+	if (PRINT_FIELD(IP)) {
+		if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
+					    PERF_OUTPUT_IP))
+			return -EINVAL;
+	}
+
+	if (PRINT_FIELD(ADDR) &&
+		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
+					   PERF_OUTPUT_ADDR, allow_user_set))
+		return -EINVAL;
+
+	if (PRINT_FIELD(DATA_SRC) &&
+		perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
+					PERF_OUTPUT_DATA_SRC))
+		return -EINVAL;
+
+	if (PRINT_FIELD(WEIGHT) &&
+		perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
+					PERF_OUTPUT_WEIGHT))
+		return -EINVAL;
+
+	if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
+		pr_err("Display of symbols requested but neither sample IP nor "
+			   "sample address\nis selected. Hence, no addresses to convert "
+		       "to symbols.\n");
+		return -EINVAL;
+	}
+	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
+		pr_err("Display of offsets requested but symbol is not"
+		       "selected.\n");
+		return -EINVAL;
+	}
+	if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
+	    !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
+		pr_err("Display of DSO requested but no address to convert.  Select\n"
+		       "sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
+		return -EINVAL;
+	}
+	if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
+		pr_err("Display of source line number requested but sample IP is not\n"
+		       "selected. Hence, no address to lookup the source line number.\n");
+		return -EINVAL;
+	}
+	if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
+	    !(perf_evlist__combined_branch_type(session->evlist) &
+	      PERF_SAMPLE_BRANCH_ANY)) {
+		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
+		       "Hint: run 'perf record -b ...'\n");
+		return -EINVAL;
+	}
+	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
+		perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
+					PERF_OUTPUT_TID|PERF_OUTPUT_PID))
+		return -EINVAL;
+
+	if (PRINT_FIELD(TIME) &&
+		perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
+					PERF_OUTPUT_TIME))
+		return -EINVAL;
+
+	if (PRINT_FIELD(CPU) &&
+		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
+					   PERF_OUTPUT_CPU, allow_user_set))
+		return -EINVAL;
+
+	if (PRINT_FIELD(IREGS) &&
+		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
+					PERF_OUTPUT_IREGS))
+		return -EINVAL;
+
+	if (PRINT_FIELD(UREGS) &&
+		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
+					PERF_OUTPUT_UREGS))
+		return -EINVAL;
+
+	if (PRINT_FIELD(PHYS_ADDR) &&
+		perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
+					PERF_OUTPUT_PHYS_ADDR))
+		return -EINVAL;
+
+	return 0;
+}
+
+static void set_print_ip_opts(struct perf_event_attr *attr)
+{
+	unsigned int type = output_type(attr->type);
+
+	output[type].print_ip_opts = 0;
+	if (PRINT_FIELD(IP))
+		output[type].print_ip_opts |= EVSEL__PRINT_IP;
+
+	if (PRINT_FIELD(SYM))
+		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
+
+	if (PRINT_FIELD(DSO))
+		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
+
+	if (PRINT_FIELD(SYMOFFSET))
+		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
+
+	if (PRINT_FIELD(SRCLINE))
+		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
+}
+
+/*
+ * verify all user requested events exist and the samples
+ * have the expected data
+ */
+static int perf_session__check_output_opt(struct perf_session *session)
+{
+	unsigned int j;
+	struct perf_evsel *evsel;
+
+	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
+		evsel = perf_session__find_first_evtype(session, attr_type(j));
+
+		/*
+		 * even if fields is set to 0 (ie., show nothing) event must
+		 * exist if user explicitly includes it on the command line
+		 */
+		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
+		    j != OUTPUT_TYPE_SYNTH) {
+			pr_err("%s events do not exist. "
+			       "Remove corresponding -F option to proceed.\n",
+			       event_type(j));
+			return -1;
+		}
+
+		if (evsel && output[j].fields &&
+			perf_evsel__check_attr(evsel, session))
+			return -1;
+
+		if (evsel == NULL)
+			continue;
+
+		set_print_ip_opts(&evsel->attr);
+	}
+
+	if (!no_callchain) {
+		bool use_callchain = false;
+		bool not_pipe = false;
+
+		evlist__for_each_entry(session->evlist, evsel) {
+			not_pipe = true;
+			if (evsel__has_callchain(evsel)) {
+				use_callchain = true;
+				break;
+			}
+		}
+		if (not_pipe && !use_callchain)
+			symbol_conf.use_callchain = false;
+	}
+
+	/*
+	 * set default for tracepoints to print symbols only
+	 * if callchains are present
+	 */
+	if (symbol_conf.use_callchain &&
+	    !output[PERF_TYPE_TRACEPOINT].user_set) {
+		j = PERF_TYPE_TRACEPOINT;
+
+		evlist__for_each_entry(session->evlist, evsel) {
+			if (evsel->attr.type != j)
+				continue;
+
+			if (evsel__has_callchain(evsel)) {
+				output[j].fields |= PERF_OUTPUT_IP;
+				output[j].fields |= PERF_OUTPUT_SYM;
+				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
+				output[j].fields |= PERF_OUTPUT_DSO;
+				set_print_ip_opts(&evsel->attr);
+				goto out;
+			}
+		}
+	}
+
+out:
+	return 0;
+}
+
+static int perf_sample__fprintf_iregs(struct perf_sample *sample,
+				      struct perf_event_attr *attr, FILE *fp)
+{
+	struct regs_dump *regs = &sample->intr_regs;
+	uint64_t mask = attr->sample_regs_intr;
+	unsigned i = 0, r;
+	int printed = 0;
+
+	if (!regs)
+		return 0;
+
+	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
+		u64 val = regs->regs[i++];
+		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
+	}
+
+	return printed;
+}
+
+static int perf_sample__fprintf_uregs(struct perf_sample *sample,
+				      struct perf_event_attr *attr, FILE *fp)
+{
+	struct regs_dump *regs = &sample->user_regs;
+	uint64_t mask = attr->sample_regs_user;
+	unsigned i = 0, r;
+	int printed = 0;
+
+	if (!regs || !regs->regs)
+		return 0;
+
+	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
+
+	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
+		u64 val = regs->regs[i++];
+		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
+	}
+
+	return printed;
+}
+
+static int perf_sample__fprintf_start(struct perf_sample *sample,
+				      struct thread *thread,
+				      struct perf_evsel *evsel,
+				      u32 type, FILE *fp)
+{
+	struct perf_event_attr *attr = &evsel->attr;
+	unsigned long secs;
+	unsigned long long nsecs;
+	int printed = 0;
+
+	if (PRINT_FIELD(COMM)) {
+		if (latency_format)
+			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
+		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
+			printed += fprintf(fp, "%s ", thread__comm_str(thread));
+		else
+			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
+	}
+
+	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
+		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
+	else if (PRINT_FIELD(PID))
+		printed += fprintf(fp, "%5d ", sample->pid);
+	else if (PRINT_FIELD(TID))
+		printed += fprintf(fp, "%5d ", sample->tid);
+
+	if (PRINT_FIELD(CPU)) {
+		if (latency_format)
+			printed += fprintf(fp, "%3d ", sample->cpu);
+		else
+			printed += fprintf(fp, "[%03d] ", sample->cpu);
+	}
+
+	if (PRINT_FIELD(MISC)) {
+		int ret = 0;
+
+		#define has(m) \
+			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
+
+		if (has(KERNEL))
+			ret += fprintf(fp, "K");
+		if (has(USER))
+			ret += fprintf(fp, "U");
+		if (has(HYPERVISOR))
+			ret += fprintf(fp, "H");
+		if (has(GUEST_KERNEL))
+			ret += fprintf(fp, "G");
+		if (has(GUEST_USER))
+			ret += fprintf(fp, "g");
+
+		switch (type) {
+		case PERF_RECORD_MMAP:
+		case PERF_RECORD_MMAP2:
+			if (has(MMAP_DATA))
+				ret += fprintf(fp, "M");
+			break;
+		case PERF_RECORD_COMM:
+			if (has(COMM_EXEC))
+				ret += fprintf(fp, "E");
+			break;
+		case PERF_RECORD_SWITCH:
+		case PERF_RECORD_SWITCH_CPU_WIDE:
+			if (has(SWITCH_OUT)) {
+				ret += fprintf(fp, "S");
+				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
+					ret += fprintf(fp, "p");
+			}
+		default:
+			break;
+		}
+
+		#undef has
+
+		ret += fprintf(fp, "%*s", 6 - ret, " ");
+		printed += ret;
+	}
+
+	if (PRINT_FIELD(TIME)) {
+		nsecs = sample->time;
+		secs = nsecs / NSEC_PER_SEC;
+		nsecs -= secs * NSEC_PER_SEC;
+
+		if (nanosecs)
+			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
+		else {
+			char sample_time[32];
+			timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
+			printed += fprintf(fp, "%12s: ", sample_time);
+		}
+	}
+
+	return printed;
+}
+
+static inline char
+mispred_str(struct branch_entry *br)
+{
+	if (!(br->flags.mispred  || br->flags.predicted))
+		return '-';
+
+	return br->flags.predicted ? 'P' : 'M';
+}
+
+static int perf_sample__fprintf_brstack(struct perf_sample *sample,
+					struct thread *thread,
+					struct perf_event_attr *attr, FILE *fp)
+{
+	struct branch_stack *br = sample->branch_stack;
+	struct addr_location alf, alt;
+	u64 i, from, to;
+	int printed = 0;
+
+	if (!(br && br->nr))
+		return 0;
+
+	for (i = 0; i < br->nr; i++) {
+		from = br->entries[i].from;
+		to   = br->entries[i].to;
+
+		if (PRINT_FIELD(DSO)) {
+			memset(&alf, 0, sizeof(alf));
+			memset(&alt, 0, sizeof(alt));
+			thread__find_map_fb(thread, sample->cpumode, from, &alf);
+			thread__find_map_fb(thread, sample->cpumode, to, &alt);
+		}
+
+		printed += fprintf(fp, " 0x%"PRIx64, from);
+		if (PRINT_FIELD(DSO)) {
+			printed += fprintf(fp, "(");
+			printed += map__fprintf_dsoname(alf.map, fp);
+			printed += fprintf(fp, ")");
+		}
+
+		printed += fprintf(fp, "/0x%"PRIx64, to);
+		if (PRINT_FIELD(DSO)) {
+			printed += fprintf(fp, "(");
+			printed += map__fprintf_dsoname(alt.map, fp);
+			printed += fprintf(fp, ")");
+		}
+
+		printed += fprintf(fp, "/%c/%c/%c/%d ",
+			mispred_str( br->entries + i),
+			br->entries[i].flags.in_tx? 'X' : '-',
+			br->entries[i].flags.abort? 'A' : '-',
+			br->entries[i].flags.cycles);
+	}
+
+	return printed;
+}
+
+static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
+					   struct thread *thread,
+					   struct perf_event_attr *attr, FILE *fp)
+{
+	struct branch_stack *br = sample->branch_stack;
+	struct addr_location alf, alt;
+	u64 i, from, to;
+	int printed = 0;
+
+	if (!(br && br->nr))
+		return 0;
+
+	for (i = 0; i < br->nr; i++) {
+
+		memset(&alf, 0, sizeof(alf));
+		memset(&alt, 0, sizeof(alt));
+		from = br->entries[i].from;
+		to   = br->entries[i].to;
+
+		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
+		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
+
+		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
+		if (PRINT_FIELD(DSO)) {
+			printed += fprintf(fp, "(");
+			printed += map__fprintf_dsoname(alf.map, fp);
+			printed += fprintf(fp, ")");
+		}
+		printed += fprintf(fp, "%c", '/');
+		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
+		if (PRINT_FIELD(DSO)) {
+			printed += fprintf(fp, "(");
+			printed += map__fprintf_dsoname(alt.map, fp);
+			printed += fprintf(fp, ")");
+		}
+		printed += fprintf(fp, "/%c/%c/%c/%d ",
+			mispred_str( br->entries + i),
+			br->entries[i].flags.in_tx? 'X' : '-',
+			br->entries[i].flags.abort? 'A' : '-',
+			br->entries[i].flags.cycles);
+	}
+
+	return printed;
+}
+
+static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
+					   struct thread *thread,
+					   struct perf_event_attr *attr, FILE *fp)
+{
+	struct branch_stack *br = sample->branch_stack;
+	struct addr_location alf, alt;
+	u64 i, from, to;
+	int printed = 0;
+
+	if (!(br && br->nr))
+		return 0;
+
+	for (i = 0; i < br->nr; i++) {
+
+		memset(&alf, 0, sizeof(alf));
+		memset(&alt, 0, sizeof(alt));
+		from = br->entries[i].from;
+		to   = br->entries[i].to;
+
+		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
+		    !alf.map->dso->adjust_symbols)
+			from = map__map_ip(alf.map, from);
+
+		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
+		    !alt.map->dso->adjust_symbols)
+			to = map__map_ip(alt.map, to);
+
+		printed += fprintf(fp, " 0x%"PRIx64, from);
+		if (PRINT_FIELD(DSO)) {
+			printed += fprintf(fp, "(");
+			printed += map__fprintf_dsoname(alf.map, fp);
+			printed += fprintf(fp, ")");
+		}
+		printed += fprintf(fp, "/0x%"PRIx64, to);
+		if (PRINT_FIELD(DSO)) {
+			printed += fprintf(fp, "(");
+			printed += map__fprintf_dsoname(alt.map, fp);
+			printed += fprintf(fp, ")");
+		}
+		printed += fprintf(fp, "/%c/%c/%c/%d ",
+			mispred_str(br->entries + i),
+			br->entries[i].flags.in_tx ? 'X' : '-',
+			br->entries[i].flags.abort ? 'A' : '-',
+			br->entries[i].flags.cycles);
+	}
+
+	return printed;
+}
+#define MAXBB 16384UL
+
+static int grab_bb(u8 *buffer, u64 start, u64 end,
+		    struct machine *machine, struct thread *thread,
+		    bool *is64bit, u8 *cpumode, bool last)
+{
+	long offset, len;
+	struct addr_location al;
+	bool kernel;
+
+	if (!start || !end)
+		return 0;
+
+	kernel = machine__kernel_ip(machine, start);
+	if (kernel)
+		*cpumode = PERF_RECORD_MISC_KERNEL;
+	else
+		*cpumode = PERF_RECORD_MISC_USER;
+
+	/*
+	 * Block overlaps between kernel and user.
+	 * This can happen due to ring filtering
+	 * On Intel CPUs the entry into the kernel is filtered,
+	 * but the exit is not. Let the caller patch it up.
+	 */
+	if (kernel != machine__kernel_ip(machine, end)) {
+		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
+		return -ENXIO;
+	}
+
+	memset(&al, 0, sizeof(al));
+	if (end - start > MAXBB - MAXINSN) {
+		if (last)
+			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
+		else
+			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
+		return 0;
+	}
+
+	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
+		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
+		return 0;
+	}
+	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
+		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
+		return 0;
+	}
+
+	/* Load maps to ensure dso->is_64_bit has been updated */
+	map__load(al.map);
+
+	offset = al.map->map_ip(al.map, start);
+	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
+				    end - start + MAXINSN);
+
+	*is64bit = al.map->dso->is_64_bit;
+	if (len <= 0)
+		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
+			start, end);
+	return len;
+}
+
+static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
+			    struct perf_insn *x, u8 *inbuf, int len,
+			    int insn, FILE *fp)
+{
+	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
+			      dump_insn(x, ip, inbuf, len, NULL),
+			      en->flags.predicted ? " PRED" : "",
+			      en->flags.mispred ? " MISPRED" : "",
+			      en->flags.in_tx ? " INTX" : "",
+			      en->flags.abort ? " ABORT" : "");
+	if (en->flags.cycles) {
+		printed += fprintf(fp, " %d cycles", en->flags.cycles);
+		if (insn)
+			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
+	}
+	return printed + fprintf(fp, "\n");
+}
+
+static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
+			   u8 cpumode, int cpu, struct symbol **lastsym,
+			   struct perf_event_attr *attr, FILE *fp)
+{
+	struct addr_location al;
+	int off, printed = 0;
+
+	memset(&al, 0, sizeof(al));
+
+	thread__find_map(thread, cpumode, addr, &al);
+
+	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
+		return 0;
+
+	al.cpu = cpu;
+	al.sym = NULL;
+	if (al.map)
+		al.sym = map__find_symbol(al.map, al.addr);
+
+	if (!al.sym)
+		return 0;
+
+	if (al.addr < al.sym->end)
+		off = al.addr - al.sym->start;
+	else
+		off = al.addr - al.map->start - al.sym->start;
+	printed += fprintf(fp, "\t%s", al.sym->name);
+	if (off)
+		printed += fprintf(fp, "%+d", off);
+	printed += fprintf(fp, ":");
+	if (PRINT_FIELD(SRCLINE))
+		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
+	printed += fprintf(fp, "\n");
+	*lastsym = al.sym;
+
+	return printed;
+}
+
+static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
+					    struct thread *thread,
+					    struct perf_event_attr *attr,
+					    struct machine *machine, FILE *fp)
+{
+	struct branch_stack *br = sample->branch_stack;
+	u64 start, end;
+	int i, insn, len, nr, ilen, printed = 0;
+	struct perf_insn x;
+	u8 buffer[MAXBB];
+	unsigned off;
+	struct symbol *lastsym = NULL;
+
+	if (!(br && br->nr))
+		return 0;
+	nr = br->nr;
+	if (max_blocks && nr > max_blocks + 1)
+		nr = max_blocks + 1;
+
+	x.thread = thread;
+	x.cpu = sample->cpu;
+
+	printed += fprintf(fp, "%c", '\n');
+
+	/* Handle first from jump, of which we don't know the entry. */
+	len = grab_bb(buffer, br->entries[nr-1].from,
+			br->entries[nr-1].from,
+			machine, thread, &x.is64bit, &x.cpumode, false);
+	if (len > 0) {
+		printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
+					   x.cpumode, x.cpu, &lastsym, attr, fp);
+		printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
+					    &x, buffer, len, 0, fp);
+	}
+
+	/* Print all blocks */
+	for (i = nr - 2; i >= 0; i--) {
+		if (br->entries[i].from || br->entries[i].to)
+			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
+				 br->entries[i].from,
+				 br->entries[i].to);
+		start = br->entries[i + 1].to;
+		end   = br->entries[i].from;
+
+		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
+		/* Patch up missing kernel transfers due to ring filters */
+		if (len == -ENXIO && i > 0) {
+			end = br->entries[--i].from;
+			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
+			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
+		}
+		if (len <= 0)
+			continue;
+
+		insn = 0;
+		for (off = 0; off < (unsigned)len; off += ilen) {
+			uint64_t ip = start + off;
+
+			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
+			if (ip == end) {
+				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
+				break;
+			} else {
+				ilen = 0;
+				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
+						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
+				if (ilen == 0)
+					break;
+				insn++;
+			}
+		}
+		if (off != end - start)
+			printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
+	}
+
+	/*
+	 * Hit the branch? In this case we are already done, and the target
+	 * has not been executed yet.
+	 */
+	if (br->entries[0].from == sample->ip)
+		goto out;
+	if (br->entries[0].flags.abort)
+		goto out;
+
+	/*
+	 * Print final block upto sample
+	 */
+	start = br->entries[0].to;
+	end = sample->ip;
+	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
+	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
+	if (len <= 0) {
+		/* Print at least last IP if basic block did not work */
+		len = grab_bb(buffer, sample->ip, sample->ip,
+			      machine, thread, &x.is64bit, &x.cpumode, false);
+		if (len <= 0)
+			goto out;
+
+		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
+			dump_insn(&x, sample->ip, buffer, len, NULL));
+		goto out;
+	}
+	for (off = 0; off <= end - start; off += ilen) {
+		ilen = 0;
+		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
+				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
+		if (ilen == 0)
+			break;
+	}
+out:
+	return printed;
+}
+
+static int perf_sample__fprintf_addr(struct perf_sample *sample,
+				     struct thread *thread,
+				     struct perf_event_attr *attr, FILE *fp)
+{
+	struct addr_location al;
+	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
+
+	if (!sample_addr_correlates_sym(attr))
+		goto out;
+
+	thread__resolve(thread, &al, sample);
+
+	if (PRINT_FIELD(SYM)) {
+		printed += fprintf(fp, " ");
+		if (PRINT_FIELD(SYMOFFSET))
+			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
+		else
+			printed += symbol__fprintf_symname(al.sym, fp);
+	}
+
+	if (PRINT_FIELD(DSO)) {
+		printed += fprintf(fp, " (");
+		printed += map__fprintf_dsoname(al.map, fp);
+		printed += fprintf(fp, ")");
+	}
+out:
+	return printed;
+}
+
+static int perf_sample__fprintf_callindent(struct perf_sample *sample,
+					   struct perf_evsel *evsel,
+					   struct thread *thread,
+					   struct addr_location *al, FILE *fp)
+{
+	struct perf_event_attr *attr = &evsel->attr;
+	size_t depth = thread_stack__depth(thread);
+	struct addr_location addr_al;
+	const char *name = NULL;
+	static int spacing;
+	int len = 0;
+	u64 ip = 0;
+
+	/*
+	 * The 'return' has already been popped off the stack so the depth has
+	 * to be adjusted to match the 'call'.
+	 */
+	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
+		depth += 1;
+
+	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
+		if (sample_addr_correlates_sym(attr)) {
+			thread__resolve(thread, &addr_al, sample);
+			if (addr_al.sym)
+				name = addr_al.sym->name;
+			else
+				ip = sample->addr;
+		} else {
+			ip = sample->addr;
+		}
+	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
+		if (al->sym)
+			name = al->sym->name;
+		else
+			ip = sample->ip;
+	}
+
+	if (name)
+		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
+	else if (ip)
+		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
+
+	if (len < 0)
+		return len;
+
+	/*
+	 * Try to keep the output length from changing frequently so that the
+	 * output lines up more nicely.
+	 */
+	if (len > spacing || (len && len < spacing - 52))
+		spacing = round_up(len + 4, 32);
+
+	if (len < spacing)
+		len += fprintf(fp, "%*s", spacing - len, "");
+
+	return len;
+}
+
+static int perf_sample__fprintf_insn(struct perf_sample *sample,
+				     struct perf_event_attr *attr,
+				     struct thread *thread,
+				     struct machine *machine, FILE *fp)
+{
+	int printed = 0;
+
+	if (PRINT_FIELD(INSNLEN))
+		printed += fprintf(fp, " ilen: %d", sample->insn_len);
+	if (PRINT_FIELD(INSN)) {
+		int i;
+
+		printed += fprintf(fp, " insn:");
+		for (i = 0; i < sample->insn_len; i++)
+			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
+	}
+	if (PRINT_FIELD(BRSTACKINSN))
+		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
+
+	return printed;
+}
+
+static int perf_sample__fprintf_bts(struct perf_sample *sample,
+				    struct perf_evsel *evsel,
+				    struct thread *thread,
+				    struct addr_location *al,
+				    struct machine *machine, FILE *fp)
+{
+	struct perf_event_attr *attr = &evsel->attr;
+	unsigned int type = output_type(attr->type);
+	bool print_srcline_last = false;
+	int printed = 0;
+
+	if (PRINT_FIELD(CALLINDENT))
+		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
+
+	/* print branch_from information */
+	if (PRINT_FIELD(IP)) {
+		unsigned int print_opts = output[type].print_ip_opts;
+		struct callchain_cursor *cursor = NULL;
+
+		if (symbol_conf.use_callchain && sample->callchain &&
+		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
+					      sample, NULL, NULL, scripting_max_stack) == 0)
+			cursor = &callchain_cursor;
+
+		if (cursor == NULL) {
+			printed += fprintf(fp, " ");
+			if (print_opts & EVSEL__PRINT_SRCLINE) {
+				print_srcline_last = true;
+				print_opts &= ~EVSEL__PRINT_SRCLINE;
+			}
+		} else
+			printed += fprintf(fp, "\n");
+
+		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
+	}
+
+	/* print branch_to information */
+	if (PRINT_FIELD(ADDR) ||
+	    ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
+	     !output[type].user_set)) {
+		printed += fprintf(fp, " => ");
+		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
+	}
+
+	if (print_srcline_last)
+		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
+
+	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
+	return printed + fprintf(fp, "\n");
+}
+
+static struct {
+	u32 flags;
+	const char *name;
+} sample_flags[] = {
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
+	{PERF_IP_FLAG_BRANCH, "jmp"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
+	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
+	{0, NULL}
+};
+
+static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
+{
+	const char *chars = PERF_IP_FLAG_CHARS;
+	const int n = strlen(PERF_IP_FLAG_CHARS);
+	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
+	const char *name = NULL;
+	char str[33];
+	int i, pos = 0;
+
+	for (i = 0; sample_flags[i].name ; i++) {
+		if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
+			name = sample_flags[i].name;
+			break;
+		}
+	}
+
+	for (i = 0; i < n; i++, flags >>= 1) {
+		if (flags & 1)
+			str[pos++] = chars[i];
+	}
+	for (; i < 32; i++, flags >>= 1) {
+		if (flags & 1)
+			str[pos++] = '?';
+	}
+	str[pos] = 0;
+
+	if (name)
+		return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");
+
+	return fprintf(fp, "  %-11s ", str);
+}
+
+struct printer_data {
+	int line_no;
+	bool hit_nul;
+	bool is_printable;
+};
+
+static int sample__fprintf_bpf_output(enum binary_printer_ops op,
+				      unsigned int val,
+				      void *extra, FILE *fp)
+{
+	unsigned char ch = (unsigned char)val;
+	struct printer_data *printer_data = extra;
+	int printed = 0;
+
+	switch (op) {
+	case BINARY_PRINT_DATA_BEGIN:
+		printed += fprintf(fp, "\n");
+		break;
+	case BINARY_PRINT_LINE_BEGIN:
+		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
+						        "           ");
+		break;
+	case BINARY_PRINT_ADDR:
+		printed += fprintf(fp, " %04x:", val);
+		break;
+	case BINARY_PRINT_NUM_DATA:
+		printed += fprintf(fp, " %02x", val);
+		break;
+	case BINARY_PRINT_NUM_PAD:
+		printed += fprintf(fp, "   ");
+		break;
+	case BINARY_PRINT_SEP:
+		printed += fprintf(fp, "  ");
+		break;
+	case BINARY_PRINT_CHAR_DATA:
+		if (printer_data->hit_nul && ch)
+			printer_data->is_printable = false;
+
+		if (!isprint(ch)) {
+			printed += fprintf(fp, "%c", '.');
+
+			if (!printer_data->is_printable)
+				break;
+
+			if (ch == '\0')
+				printer_data->hit_nul = true;
+			else
+				printer_data->is_printable = false;
+		} else {
+			printed += fprintf(fp, "%c", ch);
+		}
+		break;
+	case BINARY_PRINT_CHAR_PAD:
+		printed += fprintf(fp, " ");
+		break;
+	case BINARY_PRINT_LINE_END:
+		printed += fprintf(fp, "\n");
+		printer_data->line_no++;
+		break;
+	case BINARY_PRINT_DATA_END:
+	default:
+		break;
+	}
+
+	return printed;
+}
+
+static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
+{
+	unsigned int nr_bytes = sample->raw_size;
+	struct printer_data printer_data = {0, false, true};
+	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
+				      sample__fprintf_bpf_output, &printer_data, fp);
+
+	if (printer_data.is_printable && printer_data.hit_nul)
+		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
+
+	return printed;
+}
+
+static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
+{
+	if (len > 0 && len < spacing)
+		return fprintf(fp, "%*s", spacing - len, "");
+
+	return 0;
+}
+
+static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
+{
+	return perf_sample__fprintf_spacing(len, 34, fp);
+}
+
+static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
+{
+	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
+	int len;
+
+	if (perf_sample__bad_synth_size(sample, *data))
+		return 0;
+
+	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
+		     data->ip, le64_to_cpu(data->payload));
+	return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
+static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
+{
+	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
+	int len;
+
+	if (perf_sample__bad_synth_size(sample, *data))
+		return 0;
+
+	len = fprintf(fp, " hints: %#x extensions: %#x ",
+		      data->hints, data->extensions);
+	return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
+static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
+{
+	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
+	int len;
+
+	if (perf_sample__bad_synth_size(sample, *data))
+		return 0;
+
+	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
+		      data->hw, data->cstate, data->subcstate);
+	return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
+static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
+{
+	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
+	int len;
+
+	if (perf_sample__bad_synth_size(sample, *data))
+		return 0;
+
+	len = fprintf(fp, " IP: %u ", data->ip);
+	return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
+static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
+{
+	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
+	int len;
+
+	if (perf_sample__bad_synth_size(sample, *data))
+		return 0;
+
+	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
+		     data->deepest_cstate, data->last_cstate,
+		     data->wake_reason);
+	return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
+static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
+{
+	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
+	unsigned int percent, freq;
+	int len;
+
+	if (perf_sample__bad_synth_size(sample, *data))
+		return 0;
+
+	freq = (le32_to_cpu(data->freq) + 500) / 1000;
+	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
+	if (data->max_nonturbo) {
+		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
+		len += fprintf(fp, "(%3u%%) ", percent);
+	}
+	return len + perf_sample__fprintf_pt_spacing(len, fp);
+}
+
+static int perf_sample__fprintf_synth(struct perf_sample *sample,
+				      struct perf_evsel *evsel, FILE *fp)
+{
+	switch (evsel->attr.config) {
+	case PERF_SYNTH_INTEL_PTWRITE:
+		return perf_sample__fprintf_synth_ptwrite(sample, fp);
+	case PERF_SYNTH_INTEL_MWAIT:
+		return perf_sample__fprintf_synth_mwait(sample, fp);
+	case PERF_SYNTH_INTEL_PWRE:
+		return perf_sample__fprintf_synth_pwre(sample, fp);
+	case PERF_SYNTH_INTEL_EXSTOP:
+		return perf_sample__fprintf_synth_exstop(sample, fp);
+	case PERF_SYNTH_INTEL_PWRX:
+		return perf_sample__fprintf_synth_pwrx(sample, fp);
+	case PERF_SYNTH_INTEL_CBR:
+		return perf_sample__fprintf_synth_cbr(sample, fp);
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+struct perf_script {
+	struct perf_tool	tool;
+	struct perf_session	*session;
+	bool			show_task_events;
+	bool			show_mmap_events;
+	bool			show_switch_events;
+	bool			show_namespace_events;
+	bool			show_lost_events;
+	bool			show_round_events;
+	bool			allocated;
+	bool			per_event_dump;
+	struct cpu_map		*cpus;
+	struct thread_map	*threads;
+	int			name_width;
+	const char              *time_str;
+	struct perf_time_interval *ptime_range;
+	int			range_size;
+	int			range_num;
+};
+
+static int perf_evlist__max_name_len(struct perf_evlist *evlist)
+{
+	struct perf_evsel *evsel;
+	int max = 0;
+
+	evlist__for_each_entry(evlist, evsel) {
+		int len = strlen(perf_evsel__name(evsel));
+
+		max = MAX(len, max);
+	}
+
+	return max;
+}
+
+static int data_src__fprintf(u64 data_src, FILE *fp)
+{
+	struct mem_info mi = { .data_src.val = data_src };
+	char decode[100];
+	char out[100];
+	static int maxlen;
+	int len;
+
+	perf_script__meminfo_scnprintf(decode, 100, &mi);
+
+	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
+	if (maxlen < len)
+		maxlen = len;
+
+	return fprintf(fp, "%-*s", maxlen, out);
+}
+
+struct metric_ctx {
+	struct perf_sample	*sample;
+	struct thread		*thread;
+	struct perf_evsel	*evsel;
+	FILE 			*fp;
+};
+
+static void script_print_metric(void *ctx, const char *color,
+			        const char *fmt,
+			        const char *unit, double val)
+{
+	struct metric_ctx *mctx = ctx;
+
+	if (!fmt)
+		return;
+	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
+				   PERF_RECORD_SAMPLE, mctx->fp);
+	fputs("\tmetric: ", mctx->fp);
+	if (color)
+		color_fprintf(mctx->fp, color, fmt, val);
+	else
+		printf(fmt, val);
+	fprintf(mctx->fp, " %s\n", unit);
+}
+
+static void script_new_line(void *ctx)
+{
+	struct metric_ctx *mctx = ctx;
+
+	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
+				   PERF_RECORD_SAMPLE, mctx->fp);
+	fputs("\tmetric: ", mctx->fp);
+}
+
+static void perf_sample__fprint_metric(struct perf_script *script,
+				       struct thread *thread,
+				       struct perf_evsel *evsel,
+				       struct perf_sample *sample,
+				       FILE *fp)
+{
+	struct perf_stat_output_ctx ctx = {
+		.print_metric = script_print_metric,
+		.new_line = script_new_line,
+		.ctx = &(struct metric_ctx) {
+				.sample = sample,
+				.thread = thread,
+				.evsel  = evsel,
+				.fp     = fp,
+			 },
+		.force_header = false,
+	};
+	struct perf_evsel *ev2;
+	u64 val;
+
+	if (!evsel->stats)
+		perf_evlist__alloc_stats(script->session->evlist, false);
+	if (evsel_script(evsel->leader)->gnum++ == 0)
+		perf_stat__reset_shadow_stats();
+	val = sample->period * evsel->scale;
+	perf_stat__update_shadow_stats(evsel,
+				       val,
+				       sample->cpu,
+				       &rt_stat);
+	evsel_script(evsel)->val = val;
+	if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
+		for_each_group_member (ev2, evsel->leader) {
+			perf_stat__print_shadow_stats(ev2,
+						      evsel_script(ev2)->val,
+						      sample->cpu,
+						      &ctx,
+						      NULL,
+						      &rt_stat);
+		}
+		evsel_script(evsel->leader)->gnum = 0;
+	}
+}
+
+static void process_event(struct perf_script *script,
+			  struct perf_sample *sample, struct perf_evsel *evsel,
+			  struct addr_location *al,
+			  struct machine *machine)
+{
+	struct thread *thread = al->thread;
+	struct perf_event_attr *attr = &evsel->attr;
+	unsigned int type = output_type(attr->type);
+	struct perf_evsel_script *es = evsel->priv;
+	FILE *fp = es->fp;
+
+	if (output[type].fields == 0)
+		return;
+
+	++es->samples;
+
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_SAMPLE, fp);
+
+	if (PRINT_FIELD(PERIOD))
+		fprintf(fp, "%10" PRIu64 " ", sample->period);
+
+	if (PRINT_FIELD(EVNAME)) {
+		const char *evname = perf_evsel__name(evsel);
+
+		if (!script->name_width)
+			script->name_width = perf_evlist__max_name_len(script->session->evlist);
+
+		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
+	}
+
+	if (print_flags)
+		perf_sample__fprintf_flags(sample->flags, fp);
+
+	if (is_bts_event(attr)) {
+		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
+		return;
+	}
+
+	if (PRINT_FIELD(TRACE) && sample->raw_data) {
+		event_format__fprintf(evsel->tp_format, sample->cpu,
+				      sample->raw_data, sample->raw_size, fp);
+	}
+
+	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
+		perf_sample__fprintf_synth(sample, evsel, fp);
+
+	if (PRINT_FIELD(ADDR))
+		perf_sample__fprintf_addr(sample, thread, attr, fp);
+
+	if (PRINT_FIELD(DATA_SRC))
+		data_src__fprintf(sample->data_src, fp);
+
+	if (PRINT_FIELD(WEIGHT))
+		fprintf(fp, "%16" PRIu64, sample->weight);
+
+	if (PRINT_FIELD(IP)) {
+		struct callchain_cursor *cursor = NULL;
+
+		if (symbol_conf.use_callchain && sample->callchain &&
+		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
+					      sample, NULL, NULL, scripting_max_stack) == 0)
+			cursor = &callchain_cursor;
+
+		fputc(cursor ? '\n' : ' ', fp);
+		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
+	}
+
+	if (PRINT_FIELD(IREGS))
+		perf_sample__fprintf_iregs(sample, attr, fp);
+
+	if (PRINT_FIELD(UREGS))
+		perf_sample__fprintf_uregs(sample, attr, fp);
+
+	if (PRINT_FIELD(BRSTACK))
+		perf_sample__fprintf_brstack(sample, thread, attr, fp);
+	else if (PRINT_FIELD(BRSTACKSYM))
+		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
+	else if (PRINT_FIELD(BRSTACKOFF))
+		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
+
+	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
+		perf_sample__fprintf_bpf_output(sample, fp);
+	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
+
+	if (PRINT_FIELD(PHYS_ADDR))
+		fprintf(fp, "%16" PRIx64, sample->phys_addr);
+	fprintf(fp, "\n");
+
+	if (PRINT_FIELD(METRIC))
+		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
+}
+
+static struct scripting_ops	*scripting_ops;
+
+static void __process_stat(struct perf_evsel *counter, u64 tstamp)
+{
+	int nthreads = thread_map__nr(counter->threads);
+	int ncpus = perf_evsel__nr_cpus(counter);
+	int cpu, thread;
+	static int header_printed;
+
+	if (counter->system_wide)
+		nthreads = 1;
+
+	if (!header_printed) {
+		printf("%3s %8s %15s %15s %15s %15s %s\n",
+		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
+		header_printed = 1;
+	}
+
+	for (thread = 0; thread < nthreads; thread++) {
+		for (cpu = 0; cpu < ncpus; cpu++) {
+			struct perf_counts_values *counts;
+
+			counts = perf_counts(counter->counts, cpu, thread);
+
+			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
+				counter->cpus->map[cpu],
+				thread_map__pid(counter->threads, thread),
+				counts->val,
+				counts->ena,
+				counts->run,
+				tstamp,
+				perf_evsel__name(counter));
+		}
+	}
+}
+
+static void process_stat(struct perf_evsel *counter, u64 tstamp)
+{
+	if (scripting_ops && scripting_ops->process_stat)
+		scripting_ops->process_stat(&stat_config, counter, tstamp);
+	else
+		__process_stat(counter, tstamp);
+}
+
+static void process_stat_interval(u64 tstamp)
+{
+	if (scripting_ops && scripting_ops->process_stat_interval)
+		scripting_ops->process_stat_interval(tstamp);
+}
+
+static void setup_scripting(void)
+{
+	setup_perl_scripting();
+	setup_python_scripting();
+}
+
+static int flush_scripting(void)
+{
+	return scripting_ops ? scripting_ops->flush_script() : 0;
+}
+
+static int cleanup_scripting(void)
+{
+	pr_debug("\nperf script stopped\n");
+
+	return scripting_ops ? scripting_ops->stop_script() : 0;
+}
+
+static int process_sample_event(struct perf_tool *tool,
+				union perf_event *event,
+				struct perf_sample *sample,
+				struct perf_evsel *evsel,
+				struct machine *machine)
+{
+	struct perf_script *scr = container_of(tool, struct perf_script, tool);
+	struct addr_location al;
+
+	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
+					  sample->time)) {
+		return 0;
+	}
+
+	if (debug_mode) {
+		if (sample->time < last_timestamp) {
+			pr_err("Samples misordered, previous: %" PRIu64
+				" this: %" PRIu64 "\n", last_timestamp,
+				sample->time);
+			nr_unordered++;
+		}
+		last_timestamp = sample->time;
+		return 0;
+	}
+
+	if (machine__resolve(machine, &al, sample) < 0) {
+		pr_err("problem processing %d event, skipping it.\n",
+		       event->header.type);
+		return -1;
+	}
+
+	if (al.filtered)
+		goto out_put;
+
+	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
+		goto out_put;
+
+	if (scripting_ops)
+		scripting_ops->process_event(event, sample, evsel, &al);
+	else
+		process_event(scr, sample, evsel, &al, machine);
+
+out_put:
+	addr_location__put(&al);
+	return 0;
+}
+
+static int process_attr(struct perf_tool *tool, union perf_event *event,
+			struct perf_evlist **pevlist)
+{
+	struct perf_script *scr = container_of(tool, struct perf_script, tool);
+	struct perf_evlist *evlist;
+	struct perf_evsel *evsel, *pos;
+	int err;
+	static struct perf_evsel_script *es;
+
+	err = perf_event__process_attr(tool, event, pevlist);
+	if (err)
+		return err;
+
+	evlist = *pevlist;
+	evsel = perf_evlist__last(*pevlist);
+
+	if (!evsel->priv) {
+		if (scr->per_event_dump) {
+			evsel->priv = perf_evsel_script__new(evsel,
+						scr->session->data);
+		} else {
+			es = zalloc(sizeof(*es));
+			if (!es)
+				return -ENOMEM;
+			es->fp = stdout;
+			evsel->priv = es;
+		}
+	}
+
+	if (evsel->attr.type >= PERF_TYPE_MAX &&
+	    evsel->attr.type != PERF_TYPE_SYNTH)
+		return 0;
+
+	evlist__for_each_entry(evlist, pos) {
+		if (pos->attr.type == evsel->attr.type && pos != evsel)
+			return 0;
+	}
+
+	set_print_ip_opts(&evsel->attr);
+
+	if (evsel->attr.sample_type)
+		err = perf_evsel__check_attr(evsel, scr->session);
+
+	return err;
+}
+
+static int process_comm_event(struct perf_tool *tool,
+			      union perf_event *event,
+			      struct perf_sample *sample,
+			      struct machine *machine)
+{
+	struct thread *thread;
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+	int ret = -1;
+
+	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
+	if (thread == NULL) {
+		pr_debug("problem processing COMM event, skipping it.\n");
+		return -1;
+	}
+
+	if (perf_event__process_comm(tool, event, sample, machine) < 0)
+		goto out;
+
+	if (!evsel->attr.sample_id_all) {
+		sample->cpu = 0;
+		sample->time = 0;
+		sample->tid = event->comm.tid;
+		sample->pid = event->comm.pid;
+	}
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_COMM, stdout);
+	perf_event__fprintf(event, stdout);
+	ret = 0;
+out:
+	thread__put(thread);
+	return ret;
+}
+
+static int process_namespaces_event(struct perf_tool *tool,
+				    union perf_event *event,
+				    struct perf_sample *sample,
+				    struct machine *machine)
+{
+	struct thread *thread;
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+	int ret = -1;
+
+	thread = machine__findnew_thread(machine, event->namespaces.pid,
+					 event->namespaces.tid);
+	if (thread == NULL) {
+		pr_debug("problem processing NAMESPACES event, skipping it.\n");
+		return -1;
+	}
+
+	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
+		goto out;
+
+	if (!evsel->attr.sample_id_all) {
+		sample->cpu = 0;
+		sample->time = 0;
+		sample->tid = event->namespaces.tid;
+		sample->pid = event->namespaces.pid;
+	}
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_NAMESPACES, stdout);
+	perf_event__fprintf(event, stdout);
+	ret = 0;
+out:
+	thread__put(thread);
+	return ret;
+}
+
+static int process_fork_event(struct perf_tool *tool,
+			      union perf_event *event,
+			      struct perf_sample *sample,
+			      struct machine *machine)
+{
+	struct thread *thread;
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+
+	if (perf_event__process_fork(tool, event, sample, machine) < 0)
+		return -1;
+
+	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
+	if (thread == NULL) {
+		pr_debug("problem processing FORK event, skipping it.\n");
+		return -1;
+	}
+
+	if (!evsel->attr.sample_id_all) {
+		sample->cpu = 0;
+		sample->time = event->fork.time;
+		sample->tid = event->fork.tid;
+		sample->pid = event->fork.pid;
+	}
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_FORK, stdout);
+	perf_event__fprintf(event, stdout);
+	thread__put(thread);
+
+	return 0;
+}
+static int process_exit_event(struct perf_tool *tool,
+			      union perf_event *event,
+			      struct perf_sample *sample,
+			      struct machine *machine)
+{
+	int err = 0;
+	struct thread *thread;
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+
+	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
+	if (thread == NULL) {
+		pr_debug("problem processing EXIT event, skipping it.\n");
+		return -1;
+	}
+
+	if (!evsel->attr.sample_id_all) {
+		sample->cpu = 0;
+		sample->time = 0;
+		sample->tid = event->fork.tid;
+		sample->pid = event->fork.pid;
+	}
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_EXIT, stdout);
+	perf_event__fprintf(event, stdout);
+
+	if (perf_event__process_exit(tool, event, sample, machine) < 0)
+		err = -1;
+
+	thread__put(thread);
+	return err;
+}
+
+static int process_mmap_event(struct perf_tool *tool,
+			      union perf_event *event,
+			      struct perf_sample *sample,
+			      struct machine *machine)
+{
+	struct thread *thread;
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+
+	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
+		return -1;
+
+	thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
+	if (thread == NULL) {
+		pr_debug("problem processing MMAP event, skipping it.\n");
+		return -1;
+	}
+
+	if (!evsel->attr.sample_id_all) {
+		sample->cpu = 0;
+		sample->time = 0;
+		sample->tid = event->mmap.tid;
+		sample->pid = event->mmap.pid;
+	}
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_MMAP, stdout);
+	perf_event__fprintf(event, stdout);
+	thread__put(thread);
+	return 0;
+}
+
+static int process_mmap2_event(struct perf_tool *tool,
+			      union perf_event *event,
+			      struct perf_sample *sample,
+			      struct machine *machine)
+{
+	struct thread *thread;
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+
+	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
+		return -1;
+
+	thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
+	if (thread == NULL) {
+		pr_debug("problem processing MMAP2 event, skipping it.\n");
+		return -1;
+	}
+
+	if (!evsel->attr.sample_id_all) {
+		sample->cpu = 0;
+		sample->time = 0;
+		sample->tid = event->mmap2.tid;
+		sample->pid = event->mmap2.pid;
+	}
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_MMAP2, stdout);
+	perf_event__fprintf(event, stdout);
+	thread__put(thread);
+	return 0;
+}
+
+static int process_switch_event(struct perf_tool *tool,
+				union perf_event *event,
+				struct perf_sample *sample,
+				struct machine *machine)
+{
+	struct thread *thread;
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+
+	if (perf_event__process_switch(tool, event, sample, machine) < 0)
+		return -1;
+
+	thread = machine__findnew_thread(machine, sample->pid,
+					 sample->tid);
+	if (thread == NULL) {
+		pr_debug("problem processing SWITCH event, skipping it.\n");
+		return -1;
+	}
+
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_SWITCH, stdout);
+	perf_event__fprintf(event, stdout);
+	thread__put(thread);
+	return 0;
+}
+
+static int
+process_lost_event(struct perf_tool *tool,
+		   union perf_event *event,
+		   struct perf_sample *sample,
+		   struct machine *machine)
+{
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+	struct perf_session *session = script->session;
+	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+	struct thread *thread;
+
+	thread = machine__findnew_thread(machine, sample->pid,
+					 sample->tid);
+	if (thread == NULL)
+		return -1;
+
+	perf_sample__fprintf_start(sample, thread, evsel,
+				   PERF_RECORD_LOST, stdout);
+	perf_event__fprintf(event, stdout);
+	thread__put(thread);
+	return 0;
+}
+
+static int
+process_finished_round_event(struct perf_tool *tool __maybe_unused,
+			     union perf_event *event,
+			     struct ordered_events *oe __maybe_unused)
+
+{
+	perf_event__fprintf(event, stdout);
+	return 0;
+}
+
+static void sig_handler(int sig __maybe_unused)
+{
+	session_done = 1;
+}
+
+static void perf_script__fclose_per_event_dump(struct perf_script *script)
+{
+	struct perf_evlist *evlist = script->session->evlist;
+	struct perf_evsel *evsel;
+
+	evlist__for_each_entry(evlist, evsel) {
+		if (!evsel->priv)
+			break;
+		perf_evsel_script__delete(evsel->priv);
+		evsel->priv = NULL;
+	}
+}
+
+static int perf_script__fopen_per_event_dump(struct perf_script *script)
+{
+	struct perf_evsel *evsel;
+
+	evlist__for_each_entry(script->session->evlist, evsel) {
+		/*
+		 * Already setup? I.e. we may be called twice in cases like
+		 * Intel PT, one for the intel_pt// and dummy events, then
+		 * for the evsels syntheized from the auxtrace info.
+		 *
+		 * Ses perf_script__process_auxtrace_info.
+		 */
+		if (evsel->priv != NULL)
+			continue;
+
+		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
+		if (evsel->priv == NULL)
+			goto out_err_fclose;
+	}
+
+	return 0;
+
+out_err_fclose:
+	perf_script__fclose_per_event_dump(script);
+	return -1;
+}
+
+static int perf_script__setup_per_event_dump(struct perf_script *script)
+{
+	struct perf_evsel *evsel;
+	static struct perf_evsel_script es_stdout;
+
+	if (script->per_event_dump)
+		return perf_script__fopen_per_event_dump(script);
+
+	es_stdout.fp = stdout;
+
+	evlist__for_each_entry(script->session->evlist, evsel)
+		evsel->priv = &es_stdout;
+
+	return 0;
+}
+
+static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
+{
+	struct perf_evsel *evsel;
+
+	evlist__for_each_entry(script->session->evlist, evsel) {
+		struct perf_evsel_script *es = evsel->priv;
+
+		perf_evsel_script__fprintf(es, stdout);
+		perf_evsel_script__delete(es);
+		evsel->priv = NULL;
+	}
+}
+
+static int __cmd_script(struct perf_script *script)
+{
+	int ret;
+
+	signal(SIGINT, sig_handler);
+
+	perf_stat__init_shadow_stats();
+
+	/* override event processing functions */
+	if (script->show_task_events) {
+		script->tool.comm = process_comm_event;
+		script->tool.fork = process_fork_event;
+		script->tool.exit = process_exit_event;
+	}
+	if (script->show_mmap_events) {
+		script->tool.mmap = process_mmap_event;
+		script->tool.mmap2 = process_mmap2_event;
+	}
+	if (script->show_switch_events)
+		script->tool.context_switch = process_switch_event;
+	if (script->show_namespace_events)
+		script->tool.namespaces = process_namespaces_event;
+	if (script->show_lost_events)
+		script->tool.lost = process_lost_event;
+	if (script->show_round_events) {
+		script->tool.ordered_events = false;
+		script->tool.finished_round = process_finished_round_event;
+	}
+
+	if (perf_script__setup_per_event_dump(script)) {
+		pr_err("Couldn't create the per event dump files\n");
+		return -1;
+	}
+
+	ret = perf_session__process_events(script->session);
+
+	if (script->per_event_dump)
+		perf_script__exit_per_event_dump_stats(script);
+
+	if (debug_mode)
+		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
+
+	return ret;
+}
+
+struct script_spec {
+	struct list_head	node;
+	struct scripting_ops	*ops;
+	char			spec[0];
+};
+
+static LIST_HEAD(script_specs);
+
+static struct script_spec *script_spec__new(const char *spec,
+					    struct scripting_ops *ops)
+{
+	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
+
+	if (s != NULL) {
+		strcpy(s->spec, spec);
+		s->ops = ops;
+	}
+
+	return s;
+}
+
+static void script_spec__add(struct script_spec *s)
+{
+	list_add_tail(&s->node, &script_specs);
+}
+
+static struct script_spec *script_spec__find(const char *spec)
+{
+	struct script_spec *s;
+
+	list_for_each_entry(s, &script_specs, node)
+		if (strcasecmp(s->spec, spec) == 0)
+			return s;
+	return NULL;
+}
+
+int script_spec_register(const char *spec, struct scripting_ops *ops)
+{
+	struct script_spec *s;
+
+	s = script_spec__find(spec);
+	if (s)
+		return -1;
+
+	s = script_spec__new(spec, ops);
+	if (!s)
+		return -1;
+	else
+		script_spec__add(s);
+
+	return 0;
+}
+
+static struct scripting_ops *script_spec__lookup(const char *spec)
+{
+	struct script_spec *s = script_spec__find(spec);
+	if (!s)
+		return NULL;
+
+	return s->ops;
+}
+
+static void list_available_languages(void)
+{
+	struct script_spec *s;
+
+	fprintf(stderr, "\n");
+	fprintf(stderr, "Scripting language extensions (used in "
+		"perf script -s [spec:]script.[spec]):\n\n");
+
+	list_for_each_entry(s, &script_specs, node)
+		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
+
+	fprintf(stderr, "\n");
+}
+
+static int parse_scriptname(const struct option *opt __maybe_unused,
+			    const char *str, int unset __maybe_unused)
+{
+	char spec[PATH_MAX];
+	const char *script, *ext;
+	int len;
+
+	if (strcmp(str, "lang") == 0) {
+		list_available_languages();
+		exit(0);
+	}
+
+	script = strchr(str, ':');
+	if (script) {
+		len = script - str;
+		if (len >= PATH_MAX) {
+			fprintf(stderr, "invalid language specifier");
+			return -1;
+		}
+		strncpy(spec, str, len);
+		spec[len] = '\0';
+		scripting_ops = script_spec__lookup(spec);
+		if (!scripting_ops) {
+			fprintf(stderr, "invalid language specifier");
+			return -1;
+		}
+		script++;
+	} else {
+		script = str;
+		ext = strrchr(script, '.');
+		if (!ext) {
+			fprintf(stderr, "invalid script extension");
+			return -1;
+		}
+		scripting_ops = script_spec__lookup(++ext);
+		if (!scripting_ops) {
+			fprintf(stderr, "invalid script extension");
+			return -1;
+		}
+	}
+
+	script_name = strdup(script);
+
+	return 0;
+}
+
+static int parse_output_fields(const struct option *opt __maybe_unused,
+			    const char *arg, int unset __maybe_unused)
+{
+	char *tok, *strtok_saveptr = NULL;
+	int i, imax = ARRAY_SIZE(all_output_options);
+	int j;
+	int rc = 0;
+	char *str = strdup(arg);
+	int type = -1;
+	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
+
+	if (!str)
+		return -ENOMEM;
+
+	/* first word can state for which event type the user is specifying
+	 * the fields. If no type exists, the specified fields apply to all
+	 * event types found in the file minus the invalid fields for a type.
+	 */
+	tok = strchr(str, ':');
+	if (tok) {
+		*tok = '\0';
+		tok++;
+		if (!strcmp(str, "hw"))
+			type = PERF_TYPE_HARDWARE;
+		else if (!strcmp(str, "sw"))
+			type = PERF_TYPE_SOFTWARE;
+		else if (!strcmp(str, "trace"))
+			type = PERF_TYPE_TRACEPOINT;
+		else if (!strcmp(str, "raw"))
+			type = PERF_TYPE_RAW;
+		else if (!strcmp(str, "break"))
+			type = PERF_TYPE_BREAKPOINT;
+		else if (!strcmp(str, "synth"))
+			type = OUTPUT_TYPE_SYNTH;
+		else {
+			fprintf(stderr, "Invalid event type in field string.\n");
+			rc = -EINVAL;
+			goto out;
+		}
+
+		if (output[type].user_set)
+			pr_warning("Overriding previous field request for %s events.\n",
+				   event_type(type));
+
+		output[type].fields = 0;
+		output[type].user_set = true;
+		output[type].wildcard_set = false;
+
+	} else {
+		tok = str;
+		if (strlen(str) == 0) {
+			fprintf(stderr,
+				"Cannot set fields to 'none' for all event types.\n");
+			rc = -EINVAL;
+			goto out;
+		}
+
+		/* Don't override defaults for +- */
+		if (strchr(str, '+') || strchr(str, '-'))
+			goto parse;
+
+		if (output_set_by_user())
+			pr_warning("Overriding previous field request for all events.\n");
+
+		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
+			output[j].fields = 0;
+			output[j].user_set = true;
+			output[j].wildcard_set = true;
+		}
+	}
+
+parse:
+	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
+		if (*tok == '+') {
+			if (change == SET)
+				goto out_badmix;
+			change = ADD;
+			tok++;
+		} else if (*tok == '-') {
+			if (change == SET)
+				goto out_badmix;
+			change = REMOVE;
+			tok++;
+		} else {
+			if (change != SET && change != DEFAULT)
+				goto out_badmix;
+			change = SET;
+		}
+
+		for (i = 0; i < imax; ++i) {
+			if (strcmp(tok, all_output_options[i].str) == 0)
+				break;
+		}
+		if (i == imax && strcmp(tok, "flags") == 0) {
+			print_flags = change == REMOVE ? false : true;
+			continue;
+		}
+		if (i == imax) {
+			fprintf(stderr, "Invalid field requested.\n");
+			rc = -EINVAL;
+			goto out;
+		}
+
+		if (type == -1) {
+			/* add user option to all events types for
+			 * which it is valid
+			 */
+			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
+				if (output[j].invalid_fields & all_output_options[i].field) {
+					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
+						   all_output_options[i].str, event_type(j));
+				} else {
+					if (change == REMOVE)
+						output[j].fields &= ~all_output_options[i].field;
+					else
+						output[j].fields |= all_output_options[i].field;
+				}
+			}
+		} else {
+			if (output[type].invalid_fields & all_output_options[i].field) {
+				fprintf(stderr, "\'%s\' not valid for %s events.\n",
+					 all_output_options[i].str, event_type(type));
+
+				rc = -EINVAL;
+				goto out;
+			}
+			output[type].fields |= all_output_options[i].field;
+		}
+	}
+
+	if (type >= 0) {
+		if (output[type].fields == 0) {
+			pr_debug("No fields requested for %s type. "
+				 "Events will not be displayed.\n", event_type(type));
+		}
+	}
+	goto out;
+
+out_badmix:
+	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
+	rc = -EINVAL;
+out:
+	free(str);
+	return rc;
+}
+
+#define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
+	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
+		if ((lang_dirent->d_type == DT_DIR ||			\
+		     (lang_dirent->d_type == DT_UNKNOWN &&		\
+		      is_directory(scripts_path, lang_dirent))) &&	\
+		    (strcmp(lang_dirent->d_name, ".")) &&		\
+		    (strcmp(lang_dirent->d_name, "..")))
+
+#define for_each_script(lang_path, lang_dir, script_dirent)		\
+	while ((script_dirent = readdir(lang_dir)) != NULL)		\
+		if (script_dirent->d_type != DT_DIR &&			\
+		    (script_dirent->d_type != DT_UNKNOWN ||		\
+		     !is_directory(lang_path, script_dirent)))
+
+
+#define RECORD_SUFFIX			"-record"
+#define REPORT_SUFFIX			"-report"
+
+struct script_desc {
+	struct list_head	node;
+	char			*name;
+	char			*half_liner;
+	char			*args;
+};
+
+static LIST_HEAD(script_descs);
+
+static struct script_desc *script_desc__new(const char *name)
+{
+	struct script_desc *s = zalloc(sizeof(*s));
+
+	if (s != NULL && name)
+		s->name = strdup(name);
+
+	return s;
+}
+
+static void script_desc__delete(struct script_desc *s)
+{
+	zfree(&s->name);
+	zfree(&s->half_liner);
+	zfree(&s->args);
+	free(s);
+}
+
+static void script_desc__add(struct script_desc *s)
+{
+	list_add_tail(&s->node, &script_descs);
+}
+
+static struct script_desc *script_desc__find(const char *name)
+{
+	struct script_desc *s;
+
+	list_for_each_entry(s, &script_descs, node)
+		if (strcasecmp(s->name, name) == 0)
+			return s;
+	return NULL;
+}
+
+static struct script_desc *script_desc__findnew(const char *name)
+{
+	struct script_desc *s = script_desc__find(name);
+
+	if (s)
+		return s;
+
+	s = script_desc__new(name);
+	if (!s)
+		return NULL;
+
+	script_desc__add(s);
+
+	return s;
+}
+
+static const char *ends_with(const char *str, const char *suffix)
+{
+	size_t suffix_len = strlen(suffix);
+	const char *p = str;
+
+	if (strlen(str) > suffix_len) {
+		p = str + strlen(str) - suffix_len;
+		if (!strncmp(p, suffix, suffix_len))
+			return p;
+	}
+
+	return NULL;
+}
+
+static int read_script_info(struct script_desc *desc, const char *filename)
+{
+	char line[BUFSIZ], *p;
+	FILE *fp;
+
+	fp = fopen(filename, "r");
+	if (!fp)
+		return -1;
+
+	while (fgets(line, sizeof(line), fp)) {
+		p = ltrim(line);
+		if (strlen(p) == 0)
+			continue;
+		if (*p != '#')
+			continue;
+		p++;
+		if (strlen(p) && *p == '!')
+			continue;
+
+		p = ltrim(p);
+		if (strlen(p) && p[strlen(p) - 1] == '\n')
+			p[strlen(p) - 1] = '\0';
+
+		if (!strncmp(p, "description:", strlen("description:"))) {
+			p += strlen("description:");
+			desc->half_liner = strdup(ltrim(p));
+			continue;
+		}
+
+		if (!strncmp(p, "args:", strlen("args:"))) {
+			p += strlen("args:");
+			desc->args = strdup(ltrim(p));
+			continue;
+		}
+	}
+
+	fclose(fp);
+
+	return 0;
+}
+
+static char *get_script_root(struct dirent *script_dirent, const char *suffix)
+{
+	char *script_root, *str;
+
+	script_root = strdup(script_dirent->d_name);
+	if (!script_root)
+		return NULL;
+
+	str = (char *)ends_with(script_root, suffix);
+	if (!str) {
+		free(script_root);
+		return NULL;
+	}
+
+	*str = '\0';
+	return script_root;
+}
+
+static int list_available_scripts(const struct option *opt __maybe_unused,
+				  const char *s __maybe_unused,
+				  int unset __maybe_unused)
+{
+	struct dirent *script_dirent, *lang_dirent;
+	char scripts_path[MAXPATHLEN];
+	DIR *scripts_dir, *lang_dir;
+	char script_path[MAXPATHLEN];
+	char lang_path[MAXPATHLEN];
+	struct script_desc *desc;
+	char first_half[BUFSIZ];
+	char *script_root;
+
+	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
+
+	scripts_dir = opendir(scripts_path);
+	if (!scripts_dir) {
+		fprintf(stdout,
+			"open(%s) failed.\n"
+			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
+			scripts_path);
+		exit(-1);
+	}
+
+	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
+		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
+			  lang_dirent->d_name);
+		lang_dir = opendir(lang_path);
+		if (!lang_dir)
+			continue;
+
+		for_each_script(lang_path, lang_dir, script_dirent) {
+			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
+			if (script_root) {
+				desc = script_desc__findnew(script_root);
+				scnprintf(script_path, MAXPATHLEN, "%s/%s",
+					  lang_path, script_dirent->d_name);
+				read_script_info(desc, script_path);
+				free(script_root);
+			}
+		}
+	}
+
+	fprintf(stdout, "List of available trace scripts:\n");
+	list_for_each_entry(desc, &script_descs, node) {
+		sprintf(first_half, "%s %s", desc->name,
+			desc->args ? desc->args : "");
+		fprintf(stdout, "  %-36s %s\n", first_half,
+			desc->half_liner ? desc->half_liner : "");
+	}
+
+	exit(0);
+}
+
+/*
+ * Some scripts specify the required events in their "xxx-record" file,
+ * this function will check if the events in perf.data match those
+ * mentioned in the "xxx-record".
+ *
+ * Fixme: All existing "xxx-record" are all in good formats "-e event ",
+ * which is covered well now. And new parsing code should be added to
+ * cover the future complexing formats like event groups etc.
+ */
+static int check_ev_match(char *dir_name, char *scriptname,
+			struct perf_session *session)
+{
+	char filename[MAXPATHLEN], evname[128];
+	char line[BUFSIZ], *p;
+	struct perf_evsel *pos;
+	int match, len;
+	FILE *fp;
+
+	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
+
+	fp = fopen(filename, "r");
+	if (!fp)
+		return -1;
+
+	while (fgets(line, sizeof(line), fp)) {
+		p = ltrim(line);
+		if (*p == '#')
+			continue;
+
+		while (strlen(p)) {
+			p = strstr(p, "-e");
+			if (!p)
+				break;
+
+			p += 2;
+			p = ltrim(p);
+			len = strcspn(p, " \t");
+			if (!len)
+				break;
+
+			snprintf(evname, len + 1, "%s", p);
+
+			match = 0;
+			evlist__for_each_entry(session->evlist, pos) {
+				if (!strcmp(perf_evsel__name(pos), evname)) {
+					match = 1;
+					break;
+				}
+			}
+
+			if (!match) {
+				fclose(fp);
+				return -1;
+			}
+		}
+	}
+
+	fclose(fp);
+	return 0;
+}
+
+/*
+ * Return -1 if none is found, otherwise the actual scripts number.
+ *
+ * Currently the only user of this function is the script browser, which
+ * will list all statically runnable scripts, select one, execute it and
+ * show the output in a perf browser.
+ */
+int find_scripts(char **scripts_array, char **scripts_path_array)
+{
+	struct dirent *script_dirent, *lang_dirent;
+	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
+	DIR *scripts_dir, *lang_dir;
+	struct perf_session *session;
+	struct perf_data data = {
+		.file      = {
+			.path = input_name,
+		},
+		.mode      = PERF_DATA_MODE_READ,
+	};
+	char *temp;
+	int i = 0;
+
+	session = perf_session__new(&data, false, NULL);
+	if (!session)
+		return -1;
+
+	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
+
+	scripts_dir = opendir(scripts_path);
+	if (!scripts_dir) {
+		perf_session__delete(session);
+		return -1;
+	}
+
+	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
+		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
+			  lang_dirent->d_name);
+#ifndef HAVE_LIBPERL_SUPPORT
+		if (strstr(lang_path, "perl"))
+			continue;
+#endif
+#ifndef HAVE_LIBPYTHON_SUPPORT
+		if (strstr(lang_path, "python"))
+			continue;
+#endif
+
+		lang_dir = opendir(lang_path);
+		if (!lang_dir)
+			continue;
+
+		for_each_script(lang_path, lang_dir, script_dirent) {
+			/* Skip those real time scripts: xxxtop.p[yl] */
+			if (strstr(script_dirent->d_name, "top."))
+				continue;
+			sprintf(scripts_path_array[i], "%s/%s", lang_path,
+				script_dirent->d_name);
+			temp = strchr(script_dirent->d_name, '.');
+			snprintf(scripts_array[i],
+				(temp - script_dirent->d_name) + 1,
+				"%s", script_dirent->d_name);
+
+			if (check_ev_match(lang_path,
+					scripts_array[i], session))
+				continue;
+
+			i++;
+		}
+		closedir(lang_dir);
+	}
+
+	closedir(scripts_dir);
+	perf_session__delete(session);
+	return i;
+}
+
+static char *get_script_path(const char *script_root, const char *suffix)
+{
+	struct dirent *script_dirent, *lang_dirent;
+	char scripts_path[MAXPATHLEN];
+	char script_path[MAXPATHLEN];
+	DIR *scripts_dir, *lang_dir;
+	char lang_path[MAXPATHLEN];
+	char *__script_root;
+
+	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
+
+	scripts_dir = opendir(scripts_path);
+	if (!scripts_dir)
+		return NULL;
+
+	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
+		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
+			  lang_dirent->d_name);
+		lang_dir = opendir(lang_path);
+		if (!lang_dir)
+			continue;
+
+		for_each_script(lang_path, lang_dir, script_dirent) {
+			__script_root = get_script_root(script_dirent, suffix);
+			if (__script_root && !strcmp(script_root, __script_root)) {
+				free(__script_root);
+				closedir(lang_dir);
+				closedir(scripts_dir);
+				scnprintf(script_path, MAXPATHLEN, "%s/%s",
+					  lang_path, script_dirent->d_name);
+				return strdup(script_path);
+			}
+			free(__script_root);
+		}
+		closedir(lang_dir);
+	}
+	closedir(scripts_dir);
+
+	return NULL;
+}
+
+static bool is_top_script(const char *script_path)
+{
+	return ends_with(script_path, "top") == NULL ? false : true;
+}
+
+static int has_required_arg(char *script_path)
+{
+	struct script_desc *desc;
+	int n_args = 0;
+	char *p;
+
+	desc = script_desc__new(NULL);
+
+	if (read_script_info(desc, script_path))
+		goto out;
+
+	if (!desc->args)
+		goto out;
+
+	for (p = desc->args; *p; p++)
+		if (*p == '<')
+			n_args++;
+out:
+	script_desc__delete(desc);
+
+	return n_args;
+}
+
+static int have_cmd(int argc, const char **argv)
+{
+	char **__argv = malloc(sizeof(const char *) * argc);
+
+	if (!__argv) {
+		pr_err("malloc failed\n");
+		return -1;
+	}
+
+	memcpy(__argv, argv, sizeof(const char *) * argc);
+	argc = parse_options(argc, (const char **)__argv, record_options,
+			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
+	free(__argv);
+
+	system_wide = (argc == 0);
+
+	return 0;
+}
+
+static void script__setup_sample_type(struct perf_script *script)
+{
+	struct perf_session *session = script->session;
+	u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
+
+	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
+		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
+		    (sample_type & PERF_SAMPLE_STACK_USER)) {
+			callchain_param.record_mode = CALLCHAIN_DWARF;
+			dwarf_callchain_users = true;
+		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
+			callchain_param.record_mode = CALLCHAIN_LBR;
+		else
+			callchain_param.record_mode = CALLCHAIN_FP;
+	}
+}
+
+static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
+				    union perf_event *event,
+				    struct perf_session *session)
+{
+	struct stat_round_event *round = &event->stat_round;
+	struct perf_evsel *counter;
+
+	evlist__for_each_entry(session->evlist, counter) {
+		perf_stat_process_counter(&stat_config, counter);
+		process_stat(counter, round->time);
+	}
+
+	process_stat_interval(round->time);
+	return 0;
+}
+
+static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
+				     union perf_event *event,
+				     struct perf_session *session __maybe_unused)
+{
+	perf_event__read_stat_config(&stat_config, &event->stat_config);
+	return 0;
+}
+
+static int set_maps(struct perf_script *script)
+{
+	struct perf_evlist *evlist = script->session->evlist;
+
+	if (!script->cpus || !script->threads)
+		return 0;
+
+	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
+		return -EINVAL;
+
+	perf_evlist__set_maps(evlist, script->cpus, script->threads);
+
+	if (perf_evlist__alloc_stats(evlist, true))
+		return -ENOMEM;
+
+	script->allocated = true;
+	return 0;
+}
+
+static
+int process_thread_map_event(struct perf_tool *tool,
+			     union perf_event *event,
+			     struct perf_session *session __maybe_unused)
+{
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+
+	if (script->threads) {
+		pr_warning("Extra thread map event, ignoring.\n");
+		return 0;
+	}
+
+	script->threads = thread_map__new_event(&event->thread_map);
+	if (!script->threads)
+		return -ENOMEM;
+
+	return set_maps(script);
+}
+
+static
+int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
+			  union perf_event *event,
+			  struct perf_session *session __maybe_unused)
+{
+	struct perf_script *script = container_of(tool, struct perf_script, tool);
+
+	if (script->cpus) {
+		pr_warning("Extra cpu map event, ignoring.\n");
+		return 0;
+	}
+
+	script->cpus = cpu_map__new_data(&event->cpu_map.data);
+	if (!script->cpus)
+		return -ENOMEM;
+
+	return set_maps(script);
+}
+
+static int process_feature_event(struct perf_tool *tool,
+				 union perf_event *event,
+				 struct perf_session *session)
+{
+	if (event->feat.feat_id < HEADER_LAST_FEATURE)
+		return perf_event__process_feature(tool, event, session);
+	return 0;
+}
+
+#ifdef HAVE_AUXTRACE_SUPPORT
+static int perf_script__process_auxtrace_info(struct perf_tool *tool,
+					      union perf_event *event,
+					      struct perf_session *session)
+{
+	int ret = perf_event__process_auxtrace_info(tool, event, session);
+
+	if (ret == 0) {
+		struct perf_script *script = container_of(tool, struct perf_script, tool);
+
+		ret = perf_script__setup_per_event_dump(script);
+	}
+
+	return ret;
+}
+#else
+#define perf_script__process_auxtrace_info 0
+#endif
+
+int cmd_script(int argc, const char **argv)
+{
+	bool show_full_info = false;
+	bool header = false;
+	bool header_only = false;
+	bool script_started = false;
+	char *rec_script_path = NULL;
+	char *rep_script_path = NULL;
+	struct perf_session *session;
+	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
+	char *script_path = NULL;
+	const char **__argv;
+	int i, j, err = 0;
+	struct perf_script script = {
+		.tool = {
+			.sample		 = process_sample_event,
+			.mmap		 = perf_event__process_mmap,
+			.mmap2		 = perf_event__process_mmap2,
+			.comm		 = perf_event__process_comm,
+			.namespaces	 = perf_event__process_namespaces,
+			.exit		 = perf_event__process_exit,
+			.fork		 = perf_event__process_fork,
+			.attr		 = process_attr,
+			.event_update   = perf_event__process_event_update,
+			.tracing_data	 = perf_event__process_tracing_data,
+			.feature	 = process_feature_event,
+			.build_id	 = perf_event__process_build_id,
+			.id_index	 = perf_event__process_id_index,
+			.auxtrace_info	 = perf_script__process_auxtrace_info,
+			.auxtrace	 = perf_event__process_auxtrace,
+			.auxtrace_error	 = perf_event__process_auxtrace_error,
+			.stat		 = perf_event__process_stat_event,
+			.stat_round	 = process_stat_round_event,
+			.stat_config	 = process_stat_config_event,
+			.thread_map	 = process_thread_map_event,
+			.cpu_map	 = process_cpu_map_event,
+			.ordered_events	 = true,
+			.ordering_requires_timestamps = true,
+		},
+	};
+	struct perf_data data = {
+		.mode = PERF_DATA_MODE_READ,
+	};
+	const struct option options[] = {
+	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
+		    "dump raw trace in ASCII"),
+	OPT_INCR('v', "verbose", &verbose,
+		 "be more verbose (show symbol address, etc)"),
+	OPT_BOOLEAN('L', "Latency", &latency_format,
+		    "show latency attributes (irqs/preemption disabled, etc)"),
+	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
+			   list_available_scripts),
+	OPT_CALLBACK('s', "script", NULL, "name",
+		     "script file name (lang:script name, script name, or *)",
+		     parse_scriptname),
+	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
+		   "generate perf-script.xx script in specified language"),
+	OPT_STRING('i', "input", &input_name, "file", "input file name"),
+	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
+		   "do various checks like samples ordering and lost events"),
+	OPT_BOOLEAN(0, "header", &header, "Show data header."),
+	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
+	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+		   "file", "vmlinux pathname"),
+	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
+		   "file", "kallsyms pathname"),
+	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
+		    "When printing symbols do not display call chain"),
+	OPT_CALLBACK(0, "symfs", NULL, "directory",
+		     "Look for files with symbols relative to this directory",
+		     symbol__config_symfs),
+	OPT_CALLBACK('F', "fields", NULL, "str",
+		     "comma separated output fields prepend with 'type:'. "
+		     "+field to add and -field to remove."
+		     "Valid types: hw,sw,trace,raw,synth. "
+		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
+		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
+		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
+		     "callindent,insn,insnlen,synth,phys_addr,metric,misc",
+		     parse_output_fields),
+	OPT_BOOLEAN('a', "all-cpus", &system_wide,
+		    "system-wide collection from all CPUs"),
+	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
+		   "only consider these symbols"),
+	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
+		   "Stop display of callgraph at these symbols"),
+	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
+	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
+		   "only display events for these comms"),
+	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
+		   "only consider symbols in these pids"),
+	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
+		   "only consider symbols in these tids"),
+	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
+		     "Set the maximum stack depth when parsing the callchain, "
+		     "anything beyond the specified depth will be ignored. "
+		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
+	OPT_BOOLEAN('I', "show-info", &show_full_info,
+		    "display extended information from perf.data file"),
+	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
+		    "Show the path of [kernel.kallsyms]"),
+	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
+		    "Show the fork/comm/exit events"),
+	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
+		    "Show the mmap events"),
+	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
+		    "Show context switch events (if recorded)"),
+	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
+		    "Show namespace events (if recorded)"),
+	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
+		    "Show lost events (if recorded)"),
+	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
+		    "Show round events (if recorded)"),
+	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
+		    "Dump trace output to files named by the monitored events"),
+	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
+	OPT_INTEGER(0, "max-blocks", &max_blocks,
+		    "Maximum number of code blocks to dump with brstackinsn"),
+	OPT_BOOLEAN(0, "ns", &nanosecs,
+		    "Use 9 decimal places when displaying time"),
+	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
+			    "Instruction Tracing options",
+			    itrace_parse_synth_opts),
+	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
+			"Show full source file name path for source lines"),
+	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
+			"Enable symbol demangling"),
+	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
+			"Enable kernel symbol demangling"),
+	OPT_STRING(0, "time", &script.time_str, "str",
+		   "Time span of interest (start,stop)"),
+	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
+		    "Show inline function"),
+	OPT_END()
+	};
+	const char * const script_subcommands[] = { "record", "report", NULL };
+	const char *script_usage[] = {
+		"perf script [<options>]",
+		"perf script [<options>] record <script> [<record-options>] <command>",
+		"perf script [<options>] report <script> [script-args]",
+		"perf script [<options>] <script> [<record-options>] <command>",
+		"perf script [<options>] <top-script> [script-args]",
+		NULL
+	};
+
+	perf_set_singlethreaded();
+
+	setup_scripting();
+
+	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
+			     PARSE_OPT_STOP_AT_NON_OPTION);
+
+	data.file.path = input_name;
+	data.force     = symbol_conf.force;
+
+	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
+		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
+		if (!rec_script_path)
+			return cmd_record(argc, argv);
+	}
+
+	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
+		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
+		if (!rep_script_path) {
+			fprintf(stderr,
+				"Please specify a valid report script"
+				"(see 'perf script -l' for listing)\n");
+			return -1;
+		}
+	}
+
+	if (itrace_synth_opts.callchain &&
+	    itrace_synth_opts.callchain_sz > scripting_max_stack)
+		scripting_max_stack = itrace_synth_opts.callchain_sz;
+
+	/* make sure PERF_EXEC_PATH is set for scripts */
+	set_argv_exec_path(get_argv_exec_path());
+
+	if (argc && !script_name && !rec_script_path && !rep_script_path) {
+		int live_pipe[2];
+		int rep_args;
+		pid_t pid;
+
+		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
+		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
+
+		if (!rec_script_path && !rep_script_path) {
+			usage_with_options_msg(script_usage, options,
+				"Couldn't find script `%s'\n\n See perf"
+				" script -l for available scripts.\n", argv[0]);
+		}
+
+		if (is_top_script(argv[0])) {
+			rep_args = argc - 1;
+		} else {
+			int rec_args;
+
+			rep_args = has_required_arg(rep_script_path);
+			rec_args = (argc - 1) - rep_args;
+			if (rec_args < 0) {
+				usage_with_options_msg(script_usage, options,
+					"`%s' script requires options."
+					"\n\n See perf script -l for available "
+					"scripts and options.\n", argv[0]);
+			}
+		}
+
+		if (pipe(live_pipe) < 0) {
+			perror("failed to create pipe");
+			return -1;
+		}
+
+		pid = fork();
+		if (pid < 0) {
+			perror("failed to fork");
+			return -1;
+		}
+
+		if (!pid) {
+			j = 0;
+
+			dup2(live_pipe[1], 1);
+			close(live_pipe[0]);
+
+			if (is_top_script(argv[0])) {
+				system_wide = true;
+			} else if (!system_wide) {
+				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
+					err = -1;
+					goto out;
+				}
+			}
+
+			__argv = malloc((argc + 6) * sizeof(const char *));
+			if (!__argv) {
+				pr_err("malloc failed\n");
+				err = -ENOMEM;
+				goto out;
+			}
+
+			__argv[j++] = "/bin/sh";
+			__argv[j++] = rec_script_path;
+			if (system_wide)
+				__argv[j++] = "-a";
+			__argv[j++] = "-q";
+			__argv[j++] = "-o";
+			__argv[j++] = "-";
+			for (i = rep_args + 1; i < argc; i++)
+				__argv[j++] = argv[i];
+			__argv[j++] = NULL;
+
+			execvp("/bin/sh", (char **)__argv);
+			free(__argv);
+			exit(-1);
+		}
+
+		dup2(live_pipe[0], 0);
+		close(live_pipe[1]);
+
+		__argv = malloc((argc + 4) * sizeof(const char *));
+		if (!__argv) {
+			pr_err("malloc failed\n");
+			err = -ENOMEM;
+			goto out;
+		}
+
+		j = 0;
+		__argv[j++] = "/bin/sh";
+		__argv[j++] = rep_script_path;
+		for (i = 1; i < rep_args + 1; i++)
+			__argv[j++] = argv[i];
+		__argv[j++] = "-i";
+		__argv[j++] = "-";
+		__argv[j++] = NULL;
+
+		execvp("/bin/sh", (char **)__argv);
+		free(__argv);
+		exit(-1);
+	}
+
+	if (rec_script_path)
+		script_path = rec_script_path;
+	if (rep_script_path)
+		script_path = rep_script_path;
+
+	if (script_path) {
+		j = 0;
+
+		if (!rec_script_path)
+			system_wide = false;
+		else if (!system_wide) {
+			if (have_cmd(argc - 1, &argv[1]) != 0) {
+				err = -1;
+				goto out;
+			}
+		}
+
+		__argv = malloc((argc + 2) * sizeof(const char *));
+		if (!__argv) {
+			pr_err("malloc failed\n");
+			err = -ENOMEM;
+			goto out;
+		}
+
+		__argv[j++] = "/bin/sh";
+		__argv[j++] = script_path;
+		if (system_wide)
+			__argv[j++] = "-a";
+		for (i = 2; i < argc; i++)
+			__argv[j++] = argv[i];
+		__argv[j++] = NULL;
+
+		execvp("/bin/sh", (char **)__argv);
+		free(__argv);
+		exit(-1);
+	}
+
+	if (!script_name)
+		setup_pager();
+
+	session = perf_session__new(&data, false, &script.tool);
+	if (session == NULL)
+		return -1;
+
+	if (header || header_only) {
+		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
+		perf_session__fprintf_info(session, stdout, show_full_info);
+		if (header_only)
+			goto out_delete;
+	}
+	if (show_full_info)
+		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
+
+	if (symbol__init(&session->header.env) < 0)
+		goto out_delete;
+
+	script.session = session;
+	script__setup_sample_type(&script);
+
+	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
+		itrace_synth_opts.thread_stack = true;
+
+	session->itrace_synth_opts = &itrace_synth_opts;
+
+	if (cpu_list) {
+		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
+		if (err < 0)
+			goto out_delete;
+		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
+	}
+
+	if (!no_callchain)
+		symbol_conf.use_callchain = true;
+	else
+		symbol_conf.use_callchain = false;
+
+	if (session->tevent.pevent &&
+	    tep_set_function_resolver(session->tevent.pevent,
+				      machine__resolve_kernel_addr,
+				      &session->machines.host) < 0) {
+		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
+		err = -1;
+		goto out_delete;
+	}
+
+	if (generate_script_lang) {
+		struct stat perf_stat;
+		int input;
+
+		if (output_set_by_user()) {
+			fprintf(stderr,
+				"custom fields not supported for generated scripts");
+			err = -EINVAL;
+			goto out_delete;
+		}
+
+		input = open(data.file.path, O_RDONLY);	/* input_name */
+		if (input < 0) {
+			err = -errno;
+			perror("failed to open file");
+			goto out_delete;
+		}
+
+		err = fstat(input, &perf_stat);
+		if (err < 0) {
+			perror("failed to stat file");
+			goto out_delete;
+		}
+
+		if (!perf_stat.st_size) {
+			fprintf(stderr, "zero-sized file, nothing to do!\n");
+			goto out_delete;
+		}
+
+		scripting_ops = script_spec__lookup(generate_script_lang);
+		if (!scripting_ops) {
+			fprintf(stderr, "invalid language specifier");
+			err = -ENOENT;
+			goto out_delete;
+		}
+
+		err = scripting_ops->generate_script(session->tevent.pevent,
+						     "perf-script");
+		goto out_delete;
+	}
+
+	if (script_name) {
+		err = scripting_ops->start_script(script_name, argc, argv);
+		if (err)
+			goto out_delete;
+		pr_debug("perf script started with script %s\n\n", script_name);
+		script_started = true;
+	}
+
+
+	err = perf_session__check_output_opt(session);
+	if (err < 0)
+		goto out_delete;
+
+	script.ptime_range = perf_time__range_alloc(script.time_str,
+						    &script.range_size);
+	if (!script.ptime_range) {
+		err = -ENOMEM;
+		goto out_delete;
+	}
+
+	/* needs to be parsed after looking up reference time */
+	if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
+		if (session->evlist->first_sample_time == 0 &&
+		    session->evlist->last_sample_time == 0) {
+			pr_err("HINT: no first/last sample time found in perf data.\n"
+			       "Please use latest perf binary to execute 'perf record'\n"
+			       "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
+			err = -EINVAL;
+			goto out_delete;
+		}
+
+		script.range_num = perf_time__percent_parse_str(
+					script.ptime_range, script.range_size,
+					script.time_str,
+					session->evlist->first_sample_time,
+					session->evlist->last_sample_time);
+
+		if (script.range_num < 0) {
+			pr_err("Invalid time string\n");
+			err = -EINVAL;
+			goto out_delete;
+		}
+	} else {
+		script.range_num = 1;
+	}
+
+	err = __cmd_script(&script);
+
+	flush_scripting();
+
+out_delete:
+	zfree(&script.ptime_range);
+
+	perf_evlist__free_stats(session->evlist);
+	perf_session__delete(session);
+
+	if (script_started)
+		cleanup_scripting();
+out:
+	return err;
+}