Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 234 insertions, 0 deletions

diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
new file mode 100644
index 000000000..4473dac27
--- /dev/null
+++ b/tools/perf/util/parse-events.h
@@ -0,0 +1,234 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_PARSE_EVENTS_H
+#define __PERF_PARSE_EVENTS_H
+/*
+ * Parse symbolic events/counts passed in as options:
+ */
+
+#include <linux/list.h>
+#include <stdbool.h>
+#include <linux/types.h>
+#include <linux/perf_event.h>
+#include <string.h>
+
+struct list_head;
+struct perf_evsel;
+struct perf_evlist;
+struct parse_events_error;
+
+struct option;
+
+struct tracepoint_path {
+	char *system;
+	char *name;
+	struct tracepoint_path *next;
+};
+
+struct tracepoint_path *tracepoint_id_to_path(u64 config);
+struct tracepoint_path *tracepoint_name_to_path(const char *name);
+bool have_tracepoints(struct list_head *evlist);
+
+const char *event_type(int type);
+
+int parse_events_option(const struct option *opt, const char *str, int unset);
+int parse_events(struct perf_evlist *evlist, const char *str,
+		 struct parse_events_error *error);
+int parse_events_terms(struct list_head *terms, const char *str);
+int parse_filter(const struct option *opt, const char *str, int unset);
+int exclude_perf(const struct option *opt, const char *arg, int unset);
+
+#define EVENTS_HELP_MAX (128*1024)
+
+enum perf_pmu_event_symbol_type {
+	PMU_EVENT_SYMBOL_ERR,		/* not a PMU EVENT */
+	PMU_EVENT_SYMBOL,		/* normal style PMU event */
+	PMU_EVENT_SYMBOL_PREFIX,	/* prefix of pre-suf style event */
+	PMU_EVENT_SYMBOL_SUFFIX,	/* suffix of pre-suf style event */
+};
+
+struct perf_pmu_event_symbol {
+	char	*symbol;
+	enum perf_pmu_event_symbol_type	type;
+};
+
+enum {
+	PARSE_EVENTS__TERM_TYPE_NUM,
+	PARSE_EVENTS__TERM_TYPE_STR,
+};
+
+enum {
+	PARSE_EVENTS__TERM_TYPE_USER,
+	PARSE_EVENTS__TERM_TYPE_CONFIG,
+	PARSE_EVENTS__TERM_TYPE_CONFIG1,
+	PARSE_EVENTS__TERM_TYPE_CONFIG2,
+	PARSE_EVENTS__TERM_TYPE_NAME,
+	PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
+	PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ,
+	PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE,
+	PARSE_EVENTS__TERM_TYPE_TIME,
+	PARSE_EVENTS__TERM_TYPE_CALLGRAPH,
+	PARSE_EVENTS__TERM_TYPE_STACKSIZE,
+	PARSE_EVENTS__TERM_TYPE_NOINHERIT,
+	PARSE_EVENTS__TERM_TYPE_INHERIT,
+	PARSE_EVENTS__TERM_TYPE_MAX_STACK,
+	PARSE_EVENTS__TERM_TYPE_NOOVERWRITE,
+	PARSE_EVENTS__TERM_TYPE_OVERWRITE,
+	PARSE_EVENTS__TERM_TYPE_DRV_CFG,
+	__PARSE_EVENTS__TERM_TYPE_NR,
+};
+
+struct parse_events_array {
+	size_t nr_ranges;
+	struct {
+		unsigned int start;
+		size_t length;
+	} *ranges;
+};
+
+struct parse_events_term {
+	char *config;
+	struct parse_events_array array;
+	union {
+		char *str;
+		u64  num;
+	} val;
+	int type_val;
+	int type_term;
+	struct list_head list;
+	bool used;
+	bool no_value;
+
+	/* error string indexes for within parsed string */
+	int err_term;
+	int err_val;
+
+	/* Coming from implicit alias */
+	bool weak;
+};
+
+struct parse_events_error {
+	int   idx;	/* index in the parsed string */
+	char *str;      /* string to display at the index */
+	char *help;	/* optional help string */
+};
+
+struct parse_events_state {
+	struct list_head	   list;
+	int			   idx;
+	int			   nr_groups;
+	struct parse_events_error *error;
+	struct perf_evlist	  *evlist;
+	struct list_head	  *terms;
+};
+
+void parse_events__shrink_config_terms(void);
+int parse_events__is_hardcoded_term(struct parse_events_term *term);
+int parse_events_term__num(struct parse_events_term **term,
+			   int type_term, char *config, u64 num,
+			   bool novalue,
+			   void *loc_term, void *loc_val);
+int parse_events_term__str(struct parse_events_term **term,
+			   int type_term, char *config, char *str,
+			   void *loc_term, void *loc_val);
+int parse_events_term__sym_hw(struct parse_events_term **term,
+			      char *config, unsigned idx);
+int parse_events_term__clone(struct parse_events_term **new,
+			     struct parse_events_term *term);
+void parse_events_terms__delete(struct list_head *terms);
+void parse_events_terms__purge(struct list_head *terms);
+void parse_events__clear_array(struct parse_events_array *a);
+int parse_events__modifier_event(struct list_head *list, char *str, bool add);
+int parse_events__modifier_group(struct list_head *list, char *event_mod);
+int parse_events_name(struct list_head *list, char *name);
+int parse_events_add_tracepoint(struct list_head *list, int *idx,
+				const char *sys, const char *event,
+				struct parse_events_error *error,
+				struct list_head *head_config);
+int parse_events_load_bpf(struct parse_events_state *parse_state,
+			  struct list_head *list,
+			  char *bpf_file_name,
+			  bool source,
+			  struct list_head *head_config);
+/* Provide this function for perf test */
+struct bpf_object;
+int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
+			      struct list_head *list,
+			      struct bpf_object *obj,
+			      struct list_head *head_config);
+int parse_events_add_numeric(struct parse_events_state *parse_state,
+			     struct list_head *list,
+			     u32 type, u64 config,
+			     struct list_head *head_config);
+int parse_events_add_cache(struct list_head *list, int *idx,
+			   char *type, char *op_result1, char *op_result2,
+			   struct parse_events_error *error,
+			   struct list_head *head_config);
+int parse_events_add_breakpoint(struct list_head *list, int *idx,
+				void *ptr, char *type, u64 len);
+int parse_events_add_pmu(struct parse_events_state *parse_state,
+			 struct list_head *list, char *name,
+			 struct list_head *head_config,
+			 bool auto_merge_stats,
+			 bool use_alias);
+
+int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
+			       char *str,
+			       struct list_head **listp);
+
+int parse_events_copy_term_list(struct list_head *old,
+				 struct list_head **new);
+
+enum perf_pmu_event_symbol_type
+perf_pmu__parse_check(const char *name);
+void parse_events__set_leader(char *name, struct list_head *list,
+			      struct parse_events_state *parse_state);
+void parse_events_update_lists(struct list_head *list_event,
+			       struct list_head *list_all);
+void parse_events_evlist_error(struct parse_events_state *parse_state,
+			       int idx, const char *str);
+
+void print_events(const char *event_glob, bool name_only, bool quiet,
+		  bool long_desc, bool details_flag);
+
+struct event_symbol {
+	const char	*symbol;
+	const char	*alias;
+};
+extern struct event_symbol event_symbols_hw[];
+extern struct event_symbol event_symbols_sw[];
+void print_symbol_events(const char *event_glob, unsigned type,
+				struct event_symbol *syms, unsigned max,
+				bool name_only);
+void print_tracepoint_events(const char *subsys_glob, const char *event_glob,
+			     bool name_only);
+int print_hwcache_events(const char *event_glob, bool name_only);
+void print_sdt_events(const char *subsys_glob, const char *event_glob,
+		      bool name_only);
+int is_valid_tracepoint(const char *event_string);
+
+int valid_event_mount(const char *eventfs);
+char *parse_events_formats_error_string(char *additional_terms);
+
+void parse_events_print_error(struct parse_events_error *err,
+			      const char *event);
+
+#ifdef HAVE_LIBELF_SUPPORT
+/*
+ * If the probe point starts with '%',
+ * or starts with "sdt_" and has a ':' but no '=',
+ * then it should be a SDT/cached probe point.
+ */
+static inline bool is_sdt_event(char *str)
+{
+	return (str[0] == '%' ||
+		(!strncmp(str, "sdt_", 4) &&
+		 !!strchr(str, ':') && !strchr(str, '=')));
+}
+#else
+static inline bool is_sdt_event(char *str __maybe_unused)
+{
+	return false;
+}
+#endif /* HAVE_LIBELF_SUPPORT */
+
+#endif /* __PERF_PARSE_EVENTS_H */