diff options
Diffstat (limited to 'tools/perf/util/event.c')
| -rw-r--r-- | tools/perf/util/event.c | 809 |
1 files changed, 809 insertions, 0 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c new file mode 100644 index 000000000..1fa14598b --- /dev/null +++ b/tools/perf/util/event.c @@ -0,0 +1,809 @@ +#include <errno.h> +#include <fcntl.h> +#include <inttypes.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <perf/cpumap.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */ +#include <linux/perf_event.h> +#include <linux/zalloc.h> +#include "cpumap.h" +#include "dso.h" +#include "event.h" +#include "debug.h" +#include "hist.h" +#include "machine.h" +#include "sort.h" +#include "string2.h" +#include "strlist.h" +#include "thread.h" +#include "thread_map.h" +#include "time-utils.h" +#include <linux/ctype.h> +#include "map.h" +#include "util/namespaces.h" +#include "symbol.h" +#include "symbol/kallsyms.h" +#include "asm/bug.h" +#include "stat.h" +#include "session.h" +#include "bpf-event.h" +#include "print_binary.h" +#include "tool.h" +#include "../perf.h" + +static const char *perf_event__names[] = { + [0] = "TOTAL", + [PERF_RECORD_MMAP] = "MMAP", + [PERF_RECORD_MMAP2] = "MMAP2", + [PERF_RECORD_LOST] = "LOST", + [PERF_RECORD_COMM] = "COMM", + [PERF_RECORD_EXIT] = "EXIT", + [PERF_RECORD_THROTTLE] = "THROTTLE", + [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE", + [PERF_RECORD_FORK] = "FORK", + [PERF_RECORD_READ] = "READ", + [PERF_RECORD_SAMPLE] = "SAMPLE", + [PERF_RECORD_AUX] = "AUX", + [PERF_RECORD_ITRACE_START] = "ITRACE_START", + [PERF_RECORD_LOST_SAMPLES] = "LOST_SAMPLES", + [PERF_RECORD_SWITCH] = "SWITCH", + [PERF_RECORD_SWITCH_CPU_WIDE] = "SWITCH_CPU_WIDE", + [PERF_RECORD_NAMESPACES] = "NAMESPACES", + [PERF_RECORD_KSYMBOL] = "KSYMBOL", + [PERF_RECORD_BPF_EVENT] = "BPF_EVENT", + [PERF_RECORD_CGROUP] = "CGROUP", + [PERF_RECORD_TEXT_POKE] = "TEXT_POKE", + [PERF_RECORD_AUX_OUTPUT_HW_ID] = "AUX_OUTPUT_HW_ID", + [PERF_RECORD_HEADER_ATTR] = "ATTR", + [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", + [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", + [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID", + [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND", + [PERF_RECORD_ID_INDEX] = "ID_INDEX", + [PERF_RECORD_AUXTRACE_INFO] = "AUXTRACE_INFO", + [PERF_RECORD_AUXTRACE] = "AUXTRACE", + [PERF_RECORD_AUXTRACE_ERROR] = "AUXTRACE_ERROR", + [PERF_RECORD_THREAD_MAP] = "THREAD_MAP", + [PERF_RECORD_CPU_MAP] = "CPU_MAP", + [PERF_RECORD_STAT_CONFIG] = "STAT_CONFIG", + [PERF_RECORD_STAT] = "STAT", + [PERF_RECORD_STAT_ROUND] = "STAT_ROUND", + [PERF_RECORD_EVENT_UPDATE] = "EVENT_UPDATE", + [PERF_RECORD_TIME_CONV] = "TIME_CONV", + [PERF_RECORD_HEADER_FEATURE] = "FEATURE", + [PERF_RECORD_COMPRESSED] = "COMPRESSED", + [PERF_RECORD_FINISHED_INIT] = "FINISHED_INIT", +}; + +const char *perf_event__name(unsigned int id) +{ + if (id >= ARRAY_SIZE(perf_event__names)) + return "INVALID"; + if (!perf_event__names[id]) + return "UNKNOWN"; + return perf_event__names[id]; +} + +struct process_symbol_args { + const char *name; + u64 start; +}; + +static int find_symbol_cb(void *arg, const char *name, char type, + u64 start) +{ + struct process_symbol_args *args = arg; + + /* + * Must be a function or at least an alias, as in PARISC64, where "_text" is + * an 'A' to the same address as "_stext". + */ + if (!(kallsyms__is_function(type) || + type == 'A') || strcmp(name, args->name)) + return 0; + + args->start = start; + return 1; +} + +int kallsyms__get_function_start(const char *kallsyms_filename, + const char *symbol_name, u64 *addr) +{ + struct process_symbol_args args = { .name = symbol_name, }; + + if (kallsyms__parse(kallsyms_filename, &args, find_symbol_cb) <= 0) + return -1; + + *addr = args.start; + return 0; +} + +void perf_event__read_stat_config(struct perf_stat_config *config, + struct perf_record_stat_config *event) +{ + unsigned i; + + for (i = 0; i < event->nr; i++) { + + switch (event->data[i].tag) { +#define CASE(__term, __val) \ + case PERF_STAT_CONFIG_TERM__##__term: \ + config->__val = event->data[i].val; \ + break; + + CASE(AGGR_MODE, aggr_mode) + CASE(SCALE, scale) + CASE(INTERVAL, interval) +#undef CASE + default: + pr_warning("unknown stat config term %" PRI_lu64 "\n", + event->data[i].tag); + } + } +} + +size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp) +{ + const char *s; + + if (event->header.misc & PERF_RECORD_MISC_COMM_EXEC) + s = " exec"; + else + s = ""; + + return fprintf(fp, "%s: %s:%d/%d\n", s, event->comm.comm, event->comm.pid, event->comm.tid); +} + +size_t perf_event__fprintf_namespaces(union perf_event *event, FILE *fp) +{ + size_t ret = 0; + struct perf_ns_link_info *ns_link_info; + u32 nr_namespaces, idx; + + ns_link_info = event->namespaces.link_info; + nr_namespaces = event->namespaces.nr_namespaces; + + ret += fprintf(fp, " %d/%d - nr_namespaces: %u\n\t\t[", + event->namespaces.pid, + event->namespaces.tid, + nr_namespaces); + + for (idx = 0; idx < nr_namespaces; idx++) { + if (idx && (idx % 4 == 0)) + ret += fprintf(fp, "\n\t\t "); + + ret += fprintf(fp, "%u/%s: %" PRIu64 "/%#" PRIx64 "%s", idx, + perf_ns__name(idx), (u64)ns_link_info[idx].dev, + (u64)ns_link_info[idx].ino, + ((idx + 1) != nr_namespaces) ? ", " : "]\n"); + } + + return ret; +} + +size_t perf_event__fprintf_cgroup(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " cgroup: %" PRI_lu64 " %s\n", + event->cgroup.id, event->cgroup.path); +} + +int perf_event__process_comm(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_comm_event(machine, event, sample); +} + +int perf_event__process_namespaces(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_namespaces_event(machine, event, sample); +} + +int perf_event__process_cgroup(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_cgroup_event(machine, event, sample); +} + +int perf_event__process_lost(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_lost_event(machine, event, sample); +} + +int perf_event__process_aux(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_aux_event(machine, event); +} + +int perf_event__process_itrace_start(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_itrace_start_event(machine, event); +} + +int perf_event__process_aux_output_hw_id(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_aux_output_hw_id_event(machine, event); +} + +int perf_event__process_lost_samples(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_lost_samples_event(machine, event, sample); +} + +int perf_event__process_switch(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_switch_event(machine, event); +} + +int perf_event__process_ksymbol(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + return machine__process_ksymbol(machine, event, sample); +} + +int perf_event__process_bpf(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_bpf(machine, event, sample); +} + +int perf_event__process_text_poke(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_text_poke(machine, event, sample); +} + +size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " %d/%d: [%#" PRI_lx64 "(%#" PRI_lx64 ") @ %#" PRI_lx64 "]: %c %s\n", + event->mmap.pid, event->mmap.tid, event->mmap.start, + event->mmap.len, event->mmap.pgoff, + (event->header.misc & PERF_RECORD_MISC_MMAP_DATA) ? 'r' : 'x', + event->mmap.filename); +} + +size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp) +{ + if (event->header.misc & PERF_RECORD_MISC_MMAP_BUILD_ID) { + char sbuild_id[SBUILD_ID_SIZE]; + struct build_id bid; + + build_id__init(&bid, event->mmap2.build_id, + event->mmap2.build_id_size); + build_id__sprintf(&bid, sbuild_id); + + return fprintf(fp, " %d/%d: [%#" PRI_lx64 "(%#" PRI_lx64 ") @ %#" PRI_lx64 + " <%s>]: %c%c%c%c %s\n", + event->mmap2.pid, event->mmap2.tid, event->mmap2.start, + event->mmap2.len, event->mmap2.pgoff, sbuild_id, + (event->mmap2.prot & PROT_READ) ? 'r' : '-', + (event->mmap2.prot & PROT_WRITE) ? 'w' : '-', + (event->mmap2.prot & PROT_EXEC) ? 'x' : '-', + (event->mmap2.flags & MAP_SHARED) ? 's' : 'p', + event->mmap2.filename); + } else { + return fprintf(fp, " %d/%d: [%#" PRI_lx64 "(%#" PRI_lx64 ") @ %#" PRI_lx64 + " %02x:%02x %"PRI_lu64" %"PRI_lu64"]: %c%c%c%c %s\n", + event->mmap2.pid, event->mmap2.tid, event->mmap2.start, + event->mmap2.len, event->mmap2.pgoff, event->mmap2.maj, + event->mmap2.min, event->mmap2.ino, + event->mmap2.ino_generation, + (event->mmap2.prot & PROT_READ) ? 'r' : '-', + (event->mmap2.prot & PROT_WRITE) ? 'w' : '-', + (event->mmap2.prot & PROT_EXEC) ? 'x' : '-', + (event->mmap2.flags & MAP_SHARED) ? 's' : 'p', + event->mmap2.filename); + } +} + +size_t perf_event__fprintf_thread_map(union perf_event *event, FILE *fp) +{ + struct perf_thread_map *threads = thread_map__new_event(&event->thread_map); + size_t ret; + + ret = fprintf(fp, " nr: "); + + if (threads) + ret += thread_map__fprintf(threads, fp); + else + ret += fprintf(fp, "failed to get threads from event\n"); + + perf_thread_map__put(threads); + return ret; +} + +size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp) +{ + struct perf_cpu_map *cpus = cpu_map__new_data(&event->cpu_map.data); + size_t ret; + + ret = fprintf(fp, ": "); + + if (cpus) + ret += cpu_map__fprintf(cpus, fp); + else + ret += fprintf(fp, "failed to get cpumap from event\n"); + + perf_cpu_map__put(cpus); + return ret; +} + +int perf_event__process_mmap(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_mmap_event(machine, event, sample); +} + +int perf_event__process_mmap2(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_mmap2_event(machine, event, sample); +} + +size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) +{ + return fprintf(fp, "(%d:%d):(%d:%d)\n", + event->fork.pid, event->fork.tid, + event->fork.ppid, event->fork.ptid); +} + +int perf_event__process_fork(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_fork_event(machine, event, sample); +} + +int perf_event__process_exit(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_exit_event(machine, event, sample); +} + +size_t perf_event__fprintf_aux(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " offset: %#"PRI_lx64" size: %#"PRI_lx64" flags: %#"PRI_lx64" [%s%s%s]\n", + event->aux.aux_offset, event->aux.aux_size, + event->aux.flags, + event->aux.flags & PERF_AUX_FLAG_TRUNCATED ? "T" : "", + event->aux.flags & PERF_AUX_FLAG_OVERWRITE ? "O" : "", + event->aux.flags & PERF_AUX_FLAG_PARTIAL ? "P" : ""); +} + +size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " pid: %u tid: %u\n", + event->itrace_start.pid, event->itrace_start.tid); +} + +size_t perf_event__fprintf_aux_output_hw_id(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " hw_id: %#"PRI_lx64"\n", + event->aux_output_hw_id.hw_id); +} + +size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp) +{ + bool out = event->header.misc & PERF_RECORD_MISC_SWITCH_OUT; + const char *in_out = !out ? "IN " : + !(event->header.misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) ? + "OUT " : "OUT preempt"; + + if (event->header.type == PERF_RECORD_SWITCH) + return fprintf(fp, " %s\n", in_out); + + return fprintf(fp, " %s %s pid/tid: %5d/%-5d\n", + in_out, out ? "next" : "prev", + event->context_switch.next_prev_pid, + event->context_switch.next_prev_tid); +} + +static size_t perf_event__fprintf_lost(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " lost %" PRI_lu64 "\n", event->lost.lost); +} + +size_t perf_event__fprintf_ksymbol(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " addr %" PRI_lx64 " len %u type %u flags 0x%x name %s\n", + event->ksymbol.addr, event->ksymbol.len, + event->ksymbol.ksym_type, + event->ksymbol.flags, event->ksymbol.name); +} + +size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " type %u, flags %u, id %u\n", + event->bpf.type, event->bpf.flags, event->bpf.id); +} + +static int text_poke_printer(enum binary_printer_ops op, unsigned int val, + void *extra, FILE *fp) +{ + bool old = *(bool *)extra; + + switch ((int)op) { + case BINARY_PRINT_LINE_BEGIN: + return fprintf(fp, " %s bytes:", old ? "Old" : "New"); + case BINARY_PRINT_NUM_DATA: + return fprintf(fp, " %02x", val); + case BINARY_PRINT_LINE_END: + return fprintf(fp, "\n"); + default: + return 0; + } +} + +size_t perf_event__fprintf_text_poke(union perf_event *event, struct machine *machine, FILE *fp) +{ + struct perf_record_text_poke_event *tp = &event->text_poke; + size_t ret; + bool old; + + ret = fprintf(fp, " %" PRI_lx64 " ", tp->addr); + if (machine) { + struct addr_location al; + + al.map = maps__find(machine__kernel_maps(machine), tp->addr); + if (al.map && map__load(al.map) >= 0) { + al.addr = al.map->map_ip(al.map, tp->addr); + al.sym = map__find_symbol(al.map, al.addr); + if (al.sym) + ret += symbol__fprintf_symname_offs(al.sym, &al, fp); + } + } + ret += fprintf(fp, " old len %u new len %u\n", tp->old_len, tp->new_len); + old = true; + ret += binary__fprintf(tp->bytes, tp->old_len, 16, text_poke_printer, + &old, fp); + old = false; + ret += binary__fprintf(tp->bytes + tp->old_len, tp->new_len, 16, + text_poke_printer, &old, fp); + return ret; +} + +size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FILE *fp) +{ + size_t ret = fprintf(fp, "PERF_RECORD_%s", + perf_event__name(event->header.type)); + + switch (event->header.type) { + case PERF_RECORD_COMM: + ret += perf_event__fprintf_comm(event, fp); + break; + case PERF_RECORD_FORK: + case PERF_RECORD_EXIT: + ret += perf_event__fprintf_task(event, fp); + break; + case PERF_RECORD_MMAP: + ret += perf_event__fprintf_mmap(event, fp); + break; + case PERF_RECORD_NAMESPACES: + ret += perf_event__fprintf_namespaces(event, fp); + break; + case PERF_RECORD_CGROUP: + ret += perf_event__fprintf_cgroup(event, fp); + break; + case PERF_RECORD_MMAP2: + ret += perf_event__fprintf_mmap2(event, fp); + break; + case PERF_RECORD_AUX: + ret += perf_event__fprintf_aux(event, fp); + break; + case PERF_RECORD_ITRACE_START: + ret += perf_event__fprintf_itrace_start(event, fp); + break; + case PERF_RECORD_SWITCH: + case PERF_RECORD_SWITCH_CPU_WIDE: + ret += perf_event__fprintf_switch(event, fp); + break; + case PERF_RECORD_LOST: + ret += perf_event__fprintf_lost(event, fp); + break; + case PERF_RECORD_KSYMBOL: + ret += perf_event__fprintf_ksymbol(event, fp); + break; + case PERF_RECORD_BPF_EVENT: + ret += perf_event__fprintf_bpf(event, fp); + break; + case PERF_RECORD_TEXT_POKE: + ret += perf_event__fprintf_text_poke(event, machine, fp); + break; + case PERF_RECORD_AUX_OUTPUT_HW_ID: + ret += perf_event__fprintf_aux_output_hw_id(event, fp); + break; + default: + ret += fprintf(fp, "\n"); + } + + return ret; +} + +int perf_event__process(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_event(machine, event, sample); +} + +struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, + struct addr_location *al) +{ + struct maps *maps = thread->maps; + struct machine *machine = maps->machine; + bool load_map = false; + + al->maps = maps; + al->thread = thread; + al->addr = addr; + al->cpumode = cpumode; + al->filtered = 0; + + if (machine == NULL) { + al->map = NULL; + return NULL; + } + + if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { + al->level = 'k'; + al->maps = maps = machine__kernel_maps(machine); + load_map = true; + } else if (cpumode == PERF_RECORD_MISC_USER && perf_host) { + al->level = '.'; + } else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) { + al->level = 'g'; + al->maps = maps = machine__kernel_maps(machine); + load_map = true; + } else if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) { + al->level = 'u'; + } else { + al->level = 'H'; + al->map = NULL; + + if ((cpumode == PERF_RECORD_MISC_GUEST_USER || + cpumode == PERF_RECORD_MISC_GUEST_KERNEL) && + !perf_guest) + al->filtered |= (1 << HIST_FILTER__GUEST); + if ((cpumode == PERF_RECORD_MISC_USER || + cpumode == PERF_RECORD_MISC_KERNEL) && + !perf_host) + al->filtered |= (1 << HIST_FILTER__HOST); + + return NULL; + } + + al->map = maps__find(maps, al->addr); + if (al->map != NULL) { + /* + * Kernel maps might be changed when loading symbols so loading + * must be done prior to using kernel maps. + */ + if (load_map) + map__load(al->map); + al->addr = al->map->map_ip(al->map, al->addr); + } + + return al->map; +} + +/* + * For branch stacks or branch samples, the sample cpumode might not be correct + * because it applies only to the sample 'ip' and not necessary to 'addr' or + * branch stack addresses. If possible, use a fallback to deal with those cases. + */ +struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr, + struct addr_location *al) +{ + struct map *map = thread__find_map(thread, cpumode, addr, al); + struct machine *machine = thread->maps->machine; + u8 addr_cpumode = machine__addr_cpumode(machine, cpumode, addr); + + if (map || addr_cpumode == cpumode) + return map; + + return thread__find_map(thread, addr_cpumode, addr, al); +} + +struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode, + u64 addr, struct addr_location *al) +{ + al->sym = NULL; + if (thread__find_map(thread, cpumode, addr, al)) + al->sym = map__find_symbol(al->map, al->addr); + return al->sym; +} + +struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode, + u64 addr, struct addr_location *al) +{ + al->sym = NULL; + if (thread__find_map_fb(thread, cpumode, addr, al)) + al->sym = map__find_symbol(al->map, al->addr); + return al->sym; +} + +static bool check_address_range(struct intlist *addr_list, int addr_range, + unsigned long addr) +{ + struct int_node *pos; + + intlist__for_each_entry(pos, addr_list) { + if (addr >= pos->i && addr < pos->i + addr_range) + return true; + } + + return false; +} + +/* + * Callers need to drop the reference to al->thread, obtained in + * machine__findnew_thread() + */ +int machine__resolve(struct machine *machine, struct addr_location *al, + struct perf_sample *sample) +{ + struct thread *thread; + + if (symbol_conf.guest_code && !machine__is_host(machine)) + thread = machine__findnew_guest_code(machine, sample->pid); + else + thread = machine__findnew_thread(machine, sample->pid, sample->tid); + if (thread == NULL) + return -1; + + dump_printf(" ... thread: %s:%d\n", thread__comm_str(thread), thread->tid); + thread__find_map(thread, sample->cpumode, sample->ip, al); + dump_printf(" ...... dso: %s\n", + al->map ? al->map->dso->long_name : + al->level == 'H' ? "[hypervisor]" : "<not found>"); + + if (thread__is_filtered(thread)) + al->filtered |= (1 << HIST_FILTER__THREAD); + + al->sym = NULL; + al->cpu = sample->cpu; + al->socket = -1; + al->srcline = NULL; + + if (al->cpu >= 0) { + struct perf_env *env = machine->env; + + if (env && env->cpu) + al->socket = env->cpu[al->cpu].socket_id; + } + + if (al->map) { + struct dso *dso = al->map->dso; + + if (symbol_conf.dso_list && + (!dso || !(strlist__has_entry(symbol_conf.dso_list, + dso->short_name) || + (dso->short_name != dso->long_name && + strlist__has_entry(symbol_conf.dso_list, + dso->long_name))))) { + al->filtered |= (1 << HIST_FILTER__DSO); + } + + al->sym = map__find_symbol(al->map, al->addr); + } else if (symbol_conf.dso_list) { + al->filtered |= (1 << HIST_FILTER__DSO); + } + + if (symbol_conf.sym_list) { + int ret = 0; + char al_addr_str[32]; + size_t sz = sizeof(al_addr_str); + + if (al->sym) { + ret = strlist__has_entry(symbol_conf.sym_list, + al->sym->name); + } + if (!ret && al->sym) { + snprintf(al_addr_str, sz, "0x%"PRIx64, + al->map->unmap_ip(al->map, al->sym->start)); + ret = strlist__has_entry(symbol_conf.sym_list, + al_addr_str); + } + if (!ret && symbol_conf.addr_list && al->map) { + unsigned long addr = al->map->unmap_ip(al->map, al->addr); + + ret = intlist__has_entry(symbol_conf.addr_list, addr); + if (!ret && symbol_conf.addr_range) { + ret = check_address_range(symbol_conf.addr_list, + symbol_conf.addr_range, + addr); + } + } + + if (!ret) + al->filtered |= (1 << HIST_FILTER__SYMBOL); + } + + return 0; +} + +/* + * The preprocess_sample method will return with reference counts for the + * in it, when done using (and perhaps getting ref counts if needing to + * keep a pointer to one of those entries) it must be paired with + * addr_location__put(), so that the refcounts can be decremented. + */ +void addr_location__put(struct addr_location *al) +{ + thread__zput(al->thread); +} + +bool is_bts_event(struct perf_event_attr *attr) +{ + return attr->type == PERF_TYPE_HARDWARE && + (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && + attr->sample_period == 1; +} + +bool sample_addr_correlates_sym(struct perf_event_attr *attr) +{ + if (attr->type == PERF_TYPE_SOFTWARE && + (attr->config == PERF_COUNT_SW_PAGE_FAULTS || + attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN || + attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)) + return true; + + if (is_bts_event(attr)) + return true; + + return false; +} + +void thread__resolve(struct thread *thread, struct addr_location *al, + struct perf_sample *sample) +{ + thread__find_map_fb(thread, sample->cpumode, sample->addr, al); + + al->cpu = sample->cpu; + al->sym = NULL; + + if (al->map) + al->sym = map__find_symbol(al->map, al->addr); +} |