diff options
Diffstat (limited to 'tools/perf/util/event.c')
| -rw-r--r-- | tools/perf/util/event.c | 141 |
1 files changed, 110 insertions, 31 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 4cbb092e0684..4c92cc1a952c 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1,9 +1,12 @@ #include <errno.h> #include <fcntl.h> #include <inttypes.h> +#include <linux/compiler.h> #include <linux/kernel.h> #include <linux/types.h> #include <perf/cpumap.h> +#include <perf/event.h> +#include <stdio.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> @@ -58,6 +61,7 @@ static const char *perf_event__names[] = { [PERF_RECORD_CGROUP] = "CGROUP", [PERF_RECORD_TEXT_POKE] = "TEXT_POKE", [PERF_RECORD_AUX_OUTPUT_HW_ID] = "AUX_OUTPUT_HW_ID", + [PERF_RECORD_CALLCHAIN_DEFERRED] = "CALLCHAIN_DEFERRED", [PERF_RECORD_HEADER_ATTR] = "ATTR", [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", @@ -77,6 +81,8 @@ static const char *perf_event__names[] = { [PERF_RECORD_HEADER_FEATURE] = "FEATURE", [PERF_RECORD_COMPRESSED] = "COMPRESSED", [PERF_RECORD_FINISHED_INIT] = "FINISHED_INIT", + [PERF_RECORD_COMPRESSED2] = "COMPRESSED2", + [PERF_RECORD_BPF_METADATA] = "BPF_METADATA", }; const char *perf_event__name(unsigned int id) @@ -93,8 +99,8 @@ struct process_symbol_args { u64 start; }; -static int find_symbol_cb(void *arg, const char *name, char type, - u64 start) +static int find_func_symbol_cb(void *arg, const char *name, char type, + u64 start) { struct process_symbol_args *args = arg; @@ -110,12 +116,36 @@ static int find_symbol_cb(void *arg, const char *name, char type, return 1; } +static int find_any_symbol_cb(void *arg, const char *name, + char type __maybe_unused, u64 start) +{ + struct process_symbol_args *args = arg; + + if (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) + if (kallsyms__parse(kallsyms_filename, &args, find_func_symbol_cb) <= 0) + return -1; + + *addr = args.start; + return 0; +} + +int kallsyms__get_symbol_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_any_symbol_cb) <= 0) return -1; *addr = args.start; @@ -192,7 +222,7 @@ size_t perf_event__fprintf_cgroup(union perf_event *event, FILE *fp) event->cgroup.id, event->cgroup.path); } -int perf_event__process_comm(struct perf_tool *tool __maybe_unused, +int perf_event__process_comm(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -200,7 +230,7 @@ int perf_event__process_comm(struct perf_tool *tool __maybe_unused, return machine__process_comm_event(machine, event, sample); } -int perf_event__process_namespaces(struct perf_tool *tool __maybe_unused, +int perf_event__process_namespaces(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -208,7 +238,7 @@ int perf_event__process_namespaces(struct perf_tool *tool __maybe_unused, return machine__process_namespaces_event(machine, event, sample); } -int perf_event__process_cgroup(struct perf_tool *tool __maybe_unused, +int perf_event__process_cgroup(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -216,7 +246,7 @@ int perf_event__process_cgroup(struct perf_tool *tool __maybe_unused, return machine__process_cgroup_event(machine, event, sample); } -int perf_event__process_lost(struct perf_tool *tool __maybe_unused, +int perf_event__process_lost(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -224,7 +254,7 @@ int perf_event__process_lost(struct perf_tool *tool __maybe_unused, return machine__process_lost_event(machine, event, sample); } -int perf_event__process_aux(struct perf_tool *tool __maybe_unused, +int perf_event__process_aux(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine) @@ -232,7 +262,7 @@ int perf_event__process_aux(struct perf_tool *tool __maybe_unused, return machine__process_aux_event(machine, event); } -int perf_event__process_itrace_start(struct perf_tool *tool __maybe_unused, +int perf_event__process_itrace_start(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine) @@ -240,7 +270,7 @@ int perf_event__process_itrace_start(struct perf_tool *tool __maybe_unused, return machine__process_itrace_start_event(machine, event); } -int perf_event__process_aux_output_hw_id(struct perf_tool *tool __maybe_unused, +int perf_event__process_aux_output_hw_id(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine) @@ -248,7 +278,7 @@ int perf_event__process_aux_output_hw_id(struct perf_tool *tool __maybe_unused, return machine__process_aux_output_hw_id_event(machine, event); } -int perf_event__process_lost_samples(struct perf_tool *tool __maybe_unused, +int perf_event__process_lost_samples(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -256,7 +286,7 @@ int perf_event__process_lost_samples(struct perf_tool *tool __maybe_unused, return machine__process_lost_samples_event(machine, event, sample); } -int perf_event__process_switch(struct perf_tool *tool __maybe_unused, +int perf_event__process_switch(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine) @@ -264,7 +294,7 @@ int perf_event__process_switch(struct perf_tool *tool __maybe_unused, return machine__process_switch_event(machine, event); } -int perf_event__process_ksymbol(struct perf_tool *tool __maybe_unused, +int perf_event__process_ksymbol(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine) @@ -272,7 +302,7 @@ int perf_event__process_ksymbol(struct perf_tool *tool __maybe_unused, return machine__process_ksymbol(machine, event, sample); } -int perf_event__process_bpf(struct perf_tool *tool __maybe_unused, +int perf_event__process_bpf(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -280,7 +310,7 @@ int perf_event__process_bpf(struct perf_tool *tool __maybe_unused, return machine__process_bpf(machine, event, sample); } -int perf_event__process_text_poke(struct perf_tool *tool __maybe_unused, +int perf_event__process_text_poke(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -305,7 +335,7 @@ size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp) build_id__init(&bid, event->mmap2.build_id, event->mmap2.build_id_size); - build_id__sprintf(&bid, sbuild_id); + build_id__snprintf(&bid, sbuild_id, sizeof(sbuild_id)); return fprintf(fp, " %d/%d: [%#" PRI_lx64 "(%#" PRI_lx64 ") @ %#" PRI_lx64 " <%s>]: %c%c%c%c %s\n", @@ -363,7 +393,7 @@ size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp) return ret; } -int perf_event__process_mmap(struct perf_tool *tool __maybe_unused, +int perf_event__process_mmap(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -371,7 +401,7 @@ int perf_event__process_mmap(struct perf_tool *tool __maybe_unused, return machine__process_mmap_event(machine, event, sample); } -int perf_event__process_mmap2(struct perf_tool *tool __maybe_unused, +int perf_event__process_mmap2(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -386,7 +416,7 @@ size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) event->fork.ppid, event->fork.ptid); } -int perf_event__process_fork(struct perf_tool *tool __maybe_unused, +int perf_event__process_fork(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -394,7 +424,7 @@ int perf_event__process_fork(struct perf_tool *tool __maybe_unused, return machine__process_fork_event(machine, event, sample); } -int perf_event__process_exit(struct perf_tool *tool __maybe_unused, +int perf_event__process_exit(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -402,14 +432,35 @@ int perf_event__process_exit(struct perf_tool *tool __maybe_unused, return machine__process_exit_event(machine, event, sample); } +int perf_event__exit_del_thread(const struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine) +{ + struct thread *thread = machine__findnew_thread(machine, + event->fork.pid, + event->fork.tid); + + dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid, + event->fork.ppid, event->fork.ptid); + + if (thread) { + machine__remove_thread(machine, thread); + thread__put(thread); + } + + return 0; +} + 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", + return fprintf(fp, " offset: %#"PRI_lx64" size: %#"PRI_lx64" flags: %#"PRI_lx64" [%s%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" : ""); + event->aux.flags & PERF_AUX_FLAG_PARTIAL ? "P" : "", + event->aux.flags & PERF_AUX_FLAG_COLLISION ? "C" : ""); } size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp) @@ -459,6 +510,20 @@ size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp) event->bpf.type, event->bpf.flags, event->bpf.id); } +size_t perf_event__fprintf_bpf_metadata(union perf_event *event, FILE *fp) +{ + struct perf_record_bpf_metadata *metadata = &event->bpf_metadata; + size_t ret; + + ret = fprintf(fp, " prog %s\n", metadata->prog_name); + for (__u32 i = 0; i < metadata->nr_entries; i++) { + ret += fprintf(fp, " entry %d: %20s = %s\n", i, + metadata->entries[i].key, + metadata->entries[i].value); + } + return ret; +} + static int text_poke_printer(enum binary_printer_ops op, unsigned int val, void *extra, FILE *fp) { @@ -487,7 +552,7 @@ size_t perf_event__fprintf_text_poke(union perf_event *event, struct machine *ma struct addr_location al; addr_location__init(&al); - al.map = map__get(maps__find(machine__kernel_maps(machine), tp->addr)); + al.map = maps__find(machine__kernel_maps(machine), tp->addr); if (al.map && map__load(al.map) >= 0) { al.addr = map__map_ip(al.map, tp->addr); al.sym = map__find_symbol(al.map, al.addr); @@ -556,6 +621,9 @@ size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FIL case PERF_RECORD_AUX_OUTPUT_HW_ID: ret += perf_event__fprintf_aux_output_hw_id(event, fp); break; + case PERF_RECORD_BPF_METADATA: + ret += perf_event__fprintf_bpf_metadata(event, fp); + break; default: ret += fprintf(fp, "\n"); } @@ -563,7 +631,7 @@ size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FIL return ret; } -int perf_event__process(struct perf_tool *tool __maybe_unused, +int perf_event__process(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, struct machine *machine) @@ -593,13 +661,13 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { al->level = 'k'; maps = machine__kernel_maps(machine); - load_map = true; + load_map = !symbol_conf.lazy_load_kernel_maps; } else if (cpumode == PERF_RECORD_MISC_USER && perf_host) { al->level = '.'; } else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) { al->level = 'g'; maps = machine__kernel_maps(machine); - load_map = true; + load_map = !symbol_conf.lazy_load_kernel_maps; } else if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) { al->level = 'u'; } else { @@ -617,7 +685,7 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, return NULL; } al->maps = maps__get(maps); - al->map = map__get(maps__find(maps, al->addr)); + al->map = maps__find(maps, al->addr); if (al->map != NULL) { /* * Kernel maps might be changed when loading symbols so loading @@ -702,7 +770,7 @@ int machine__resolve(struct machine *machine, struct addr_location *al, dso = al->map ? map__dso(al->map) : NULL; dump_printf(" ...... dso: %s\n", dso - ? dso->long_name + ? dso__long_name(dso) : (al->level == 'H' ? "[hypervisor]" : "<not found>")); if (thread__is_filtered(thread)) @@ -723,13 +791,24 @@ int machine__resolve(struct machine *machine, struct addr_location *al, al->socket = env->cpu[al->cpu].socket_id; } + /* Account for possible out-of-order switch events. */ + al->parallelism = max(1, min(machine->parallelism, machine__nr_cpus_avail(machine))); + if (test_bit(al->parallelism, symbol_conf.parallelism_filter)) + al->filtered |= (1 << HIST_FILTER__PARALLELISM); + /* + * Multiply it by some const to avoid precision loss or dealing + * with floats. The multiplier does not matter otherwise since + * we only print it as percents. + */ + al->latency = sample->period * 1000 / al->parallelism; + if (al->map) { if (symbol_conf.dso_list && (!dso || !(strlist__has_entry(symbol_conf.dso_list, - dso->short_name) || - (dso->short_name != dso->long_name && + dso__short_name(dso)) || + (dso__short_name(dso) != dso__long_name(dso) && strlist__has_entry(symbol_conf.dso_list, - dso->long_name))))) { + dso__long_name(dso)))))) { al->filtered |= (1 << HIST_FILTER__DSO); } |
