diff options
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 359 |
1 files changed, 169 insertions, 190 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 37efa1f43d8b..d0d7d25b23e3 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1,16 +1,20 @@ // SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include <inttypes.h> +#include <linux/err.h> #include <linux/kernel.h> #include <linux/zalloc.h> -#include <traceevent/event-parse.h> #include <api/fs/fs.h> #include <byteswap.h> #include <unistd.h> #include <sys/types.h> #include <sys/mman.h> +#include <perf/cpumap.h> +#include "map_symbol.h" +#include "branch.h" +#include "debug.h" #include "evlist.h" #include "evsel.h" #include "memswap.h" @@ -18,8 +22,6 @@ #include "symbol.h" #include "session.h" #include "tool.h" -#include "sort.h" -#include "cpumap.h" #include "perf_regs.h" #include "asm/bug.h" #include "auxtrace.h" @@ -27,7 +29,11 @@ #include "thread-stack.h" #include "sample-raw.h" #include "stat.h" +#include "ui/progress.h" +#include "../perf.h" #include "arch/common.h" +#include <internal/lib.h> +#include <linux/err.h> #ifdef HAVE_ZSTD_SUPPORT static int perf_session__process_compressed_event(struct perf_session *session, @@ -61,8 +67,8 @@ static int perf_session__process_compressed_event(struct perf_session *session, decomp->size = decomp_last_rem; } - src = (void *)event + sizeof(struct compressed_event); - src_size = event->pack.header.size - sizeof(struct compressed_event); + src = (void *)event + sizeof(struct perf_record_compressed); + src_size = event->pack.header.size - sizeof(struct perf_record_compressed); decomp_size = zstd_decompress_stream(&(session->zstd_data), src, src_size, &(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem); @@ -151,10 +157,10 @@ static void perf_session__destroy_kernel_maps(struct perf_session *session) static bool perf_session__has_comm_exec(struct perf_session *session) { - struct perf_evsel *evsel; + struct evsel *evsel; evlist__for_each_entry(session->evlist, evsel) { - if (evsel->attr.comm_exec) + if (evsel->core.attr.comm_exec) return true; } @@ -181,6 +187,7 @@ static int ordered_events__deliver_event(struct ordered_events *oe, struct perf_session *perf_session__new(struct perf_data *data, bool repipe, struct perf_tool *tool) { + int ret = -ENOMEM; struct perf_session *session = zalloc(sizeof(*session)); if (!session) @@ -195,13 +202,15 @@ struct perf_session *perf_session__new(struct perf_data *data, perf_env__init(&session->header.env); if (data) { - if (perf_data__open(data)) + ret = perf_data__open(data); + if (ret < 0) goto out_delete; session->data = data; if (perf_data__is_read(data)) { - if (perf_session__open(session) < 0) + ret = perf_session__open(session); + if (ret < 0) goto out_delete; /* @@ -216,8 +225,15 @@ struct perf_session *perf_session__new(struct perf_data *data, perf_evlist__init_trace_event_sample_raw(session->evlist); /* Open the directory data. */ - if (data->is_dir && perf_data__open_dir(data)) - goto out_delete; + if (data->is_dir) { + ret = perf_data__open_dir(data); + if (ret) + goto out_delete; + } + + if (!symbol_conf.kallsyms_name && + !symbol_conf.vmlinux_name) + symbol_conf.kallsyms_name = perf_data__kallsyms_name(data); } } else { session->machines.host.env = &perf_env; @@ -250,7 +266,7 @@ struct perf_session *perf_session__new(struct perf_data *data, out_delete: perf_session__delete(session); out: - return NULL; + return ERR_PTR(ret); } static void perf_session__delete_threads(struct perf_session *session) @@ -300,7 +316,7 @@ static int process_event_synth_tracing_data_stub(struct perf_session *session static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, union perf_event *event __maybe_unused, - struct perf_evlist **pevlist + struct evlist **pevlist __maybe_unused) { dump_printf(": unhandled!\n"); @@ -309,7 +325,7 @@ static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused, static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_unused, union perf_event *event __maybe_unused, - struct perf_evlist **pevlist + struct evlist **pevlist __maybe_unused) { if (dump_trace) @@ -322,7 +338,7 @@ static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_ static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, union perf_event *event __maybe_unused, struct perf_sample *sample __maybe_unused, - struct perf_evsel *evsel __maybe_unused, + struct evsel *evsel __maybe_unused, struct machine *machine __maybe_unused) { dump_printf(": unhandled!\n"); @@ -471,8 +487,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool) tool->context_switch = perf_event__process_switch; if (tool->ksymbol == NULL) tool->ksymbol = perf_event__process_ksymbol; - if (tool->bpf_event == NULL) - tool->bpf_event = perf_event__process_bpf_event; + if (tool->bpf == NULL) + tool->bpf = perf_event__process_bpf; if (tool->read == NULL) tool->read = process_event_sample_stub; if (tool->throttle == NULL) @@ -736,6 +752,7 @@ do { \ bswap_field_32(sample_stack_user); bswap_field_32(aux_watermark); bswap_field_16(sample_max_stack); + bswap_field_32(aux_sample_size); /* * After read_format are bitfields. Check read_format because @@ -833,9 +850,9 @@ static void perf_event__thread_map_swap(union perf_event *event, static void perf_event__cpu_map_swap(union perf_event *event, bool sample_id_all __maybe_unused) { - struct cpu_map_data *data = &event->cpu_map.data; + struct perf_record_cpu_map_data *data = &event->cpu_map.data; struct cpu_map_entries *cpus; - struct cpu_map_mask *mask; + struct perf_record_record_cpu_map *mask; unsigned i; data->type = bswap_64(data->type); @@ -850,7 +867,7 @@ static void perf_event__cpu_map_swap(union perf_event *event, cpus->cpu[i] = bswap_16(cpus->cpu[i]); break; case PERF_CPU_MAP__MASK: - mask = (struct cpu_map_mask *) data->data; + mask = (struct perf_record_record_cpu_map *)data->data; mask->nr = bswap_16(mask->nr); mask->long_size = bswap_16(mask->long_size); @@ -1033,7 +1050,7 @@ static void callchain__lbr_callstack_printf(struct perf_sample *sample) } } -static void callchain__printf(struct perf_evsel *evsel, +static void callchain__printf(struct evsel *evsel, struct perf_sample *sample) { unsigned int i; @@ -1049,23 +1066,30 @@ static void callchain__printf(struct perf_evsel *evsel, i, callchain->ips[i]); } -static void branch_stack__printf(struct perf_sample *sample) +static void branch_stack__printf(struct perf_sample *sample, bool callstack) { uint64_t i; - printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr); + printf("%s: nr:%" PRIu64 "\n", + !callstack ? "... branch stack" : "... branch callstack", + sample->branch_stack->nr); for (i = 0; i < sample->branch_stack->nr; i++) { struct branch_entry *e = &sample->branch_stack->entries[i]; - printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n", - i, e->from, e->to, - (unsigned short)e->flags.cycles, - e->flags.mispred ? "M" : " ", - e->flags.predicted ? "P" : " ", - e->flags.abort ? "A" : " ", - e->flags.in_tx ? "T" : " ", - (unsigned)e->flags.reserved); + if (!callstack) { + printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n", + i, e->from, e->to, + (unsigned short)e->flags.cycles, + e->flags.mispred ? "M" : " ", + e->flags.predicted ? "P" : " ", + e->flags.abort ? "A" : " ", + e->flags.in_tx ? "T" : " ", + (unsigned)e->flags.reserved); + } else { + printf("..... %2"PRIu64": %016" PRIx64 "\n", + i, i > 0 ? e->from : e->to); + } } } @@ -1129,7 +1153,7 @@ static void stack_user__printf(struct stack_dump *dump) dump->size, dump->offset); } -static void perf_evlist__print_tstamp(struct perf_evlist *evlist, +static void perf_evlist__print_tstamp(struct evlist *evlist, union perf_event *event, struct perf_sample *sample) { @@ -1178,7 +1202,7 @@ static void sample_read__printf(struct perf_sample *sample, u64 read_format) sample->read.one.id, sample->read.one.value); } -static void dump_event(struct perf_evlist *evlist, union perf_event *event, +static void dump_event(struct evlist *evlist, union perf_event *event, u64 file_offset, struct perf_sample *sample) { if (!dump_trace) @@ -1198,7 +1222,7 @@ static void dump_event(struct perf_evlist *evlist, union perf_event *event, event->header.size, perf_event__name(event->header.type)); } -static void dump_sample(struct perf_evsel *evsel, union perf_event *event, +static void dump_sample(struct evsel *evsel, union perf_event *event, struct perf_sample *sample) { u64 sample_type; @@ -1210,13 +1234,13 @@ static void dump_sample(struct perf_evsel *evsel, union perf_event *event, event->header.misc, sample->pid, sample->tid, sample->ip, sample->period, sample->addr); - sample_type = evsel->attr.sample_type; + sample_type = evsel->core.attr.sample_type; if (evsel__has_callchain(evsel)) callchain__printf(evsel, sample); - if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !perf_evsel__has_branch_callstack(evsel)) - branch_stack__printf(sample); + if (sample_type & PERF_SAMPLE_BRANCH_STACK) + branch_stack__printf(sample, perf_evsel__has_branch_callstack(evsel)); if (sample_type & PERF_SAMPLE_REGS_USER) regs_user__printf(sample); @@ -1240,34 +1264,34 @@ static void dump_sample(struct perf_evsel *evsel, union perf_event *event, printf("... transaction: %" PRIx64 "\n", sample->transaction); if (sample_type & PERF_SAMPLE_READ) - sample_read__printf(sample, evsel->attr.read_format); + sample_read__printf(sample, evsel->core.attr.read_format); } -static void dump_read(struct perf_evsel *evsel, union perf_event *event) +static void dump_read(struct evsel *evsel, union perf_event *event) { - struct read_event *read_event = &event->read; + struct perf_record_read *read_event = &event->read; u64 read_format; if (!dump_trace) return; - printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, + printf(": %d %d %s %" PRI_lu64 "\n", event->read.pid, event->read.tid, perf_evsel__name(evsel), event->read.value); if (!evsel) return; - read_format = evsel->attr.read_format; + read_format = evsel->core.attr.read_format; if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) - printf("... time enabled : %" PRIu64 "\n", read_event->time_enabled); + printf("... time enabled : %" PRI_lu64 "\n", read_event->time_enabled); if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) - printf("... time running : %" PRIu64 "\n", read_event->time_running); + printf("... time running : %" PRI_lu64 "\n", read_event->time_running); if (read_format & PERF_FORMAT_ID) - printf("... id : %" PRIu64 "\n", read_event->id); + printf("... id : %" PRI_lu64 "\n", read_event->id); } static struct machine *machines__find_for_cpumode(struct machines *machines, @@ -1296,7 +1320,7 @@ static struct machine *machines__find_for_cpumode(struct machines *machines, return &machines->host; } -static int deliver_sample_value(struct perf_evlist *evlist, +static int deliver_sample_value(struct evlist *evlist, struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, @@ -1304,6 +1328,7 @@ static int deliver_sample_value(struct perf_evlist *evlist, struct machine *machine) { struct perf_sample_id *sid = perf_evlist__id2sid(evlist, v->id); + struct evsel *evsel; if (sid) { sample->id = v->id; @@ -1323,10 +1348,11 @@ static int deliver_sample_value(struct perf_evlist *evlist, if (!sample->period) return 0; - return tool->sample(tool, event, sample, sid->evsel, machine); + evsel = container_of(sid->evsel, struct evsel, core); + return tool->sample(tool, event, sample, evsel, machine); } -static int deliver_sample_group(struct perf_evlist *evlist, +static int deliver_sample_group(struct evlist *evlist, struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, @@ -1347,16 +1373,16 @@ static int deliver_sample_group(struct perf_evlist *evlist, } static int - perf_evlist__deliver_sample(struct perf_evlist *evlist, + perf_evlist__deliver_sample(struct evlist *evlist, struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, - struct perf_evsel *evsel, + struct evsel *evsel, struct machine *machine) { /* We know evsel != NULL. */ - u64 sample_type = evsel->attr.sample_type; - u64 read_format = evsel->attr.read_format; + u64 sample_type = evsel->core.attr.sample_type; + u64 read_format = evsel->core.attr.read_format; /* Standard sample delivery. */ if (!(sample_type & PERF_SAMPLE_READ)) @@ -1372,12 +1398,12 @@ static int } static int machines__deliver_event(struct machines *machines, - struct perf_evlist *evlist, + struct evlist *evlist, union perf_event *event, struct perf_sample *sample, struct perf_tool *tool, u64 file_offset) { - struct perf_evsel *evsel; + struct evsel *evsel; struct machine *machine; dump_event(evlist, event, file_offset, sample); @@ -1443,7 +1469,7 @@ static int machines__deliver_event(struct machines *machines, case PERF_RECORD_KSYMBOL: return tool->ksymbol(tool, event, sample, machine); case PERF_RECORD_BPF_EVENT: - return tool->bpf_event(tool, event, sample, machine); + return tool->bpf(tool, event, sample, machine); default: ++evlist->stats.nr_unknown_events; return -1; @@ -1470,8 +1496,13 @@ static int perf_session__deliver_event(struct perf_session *session, if (ret > 0) return 0; - return machines__deliver_event(&session->machines, session->evlist, - event, &sample, tool, file_offset); + ret = machines__deliver_event(&session->machines, session->evlist, + event, &sample, tool, file_offset); + + if (dump_trace && sample.aux_sample.size) + auxtrace__dump_auxtrace_sample(session, &sample); + + return ret; } static s64 perf_session__process_user_event(struct perf_session *session, @@ -1553,7 +1584,7 @@ int perf_session__deliver_synth_event(struct perf_session *session, union perf_event *event, struct perf_sample *sample) { - struct perf_evlist *evlist = session->evlist; + struct evlist *evlist = session->evlist; struct perf_tool *tool = session->tool; events_stats__inc(&evlist->stats, event->header.type); @@ -1628,10 +1659,38 @@ out_parse_sample: return 0; } +int perf_session__peek_events(struct perf_session *session, u64 offset, + u64 size, peek_events_cb_t cb, void *data) +{ + u64 max_offset = offset + size; + char buf[PERF_SAMPLE_MAX_SIZE]; + union perf_event *event; + int err; + + do { + err = perf_session__peek_event(session, offset, buf, + PERF_SAMPLE_MAX_SIZE, &event, + NULL); + if (err) + return err; + + err = cb(session, event, offset, data); + if (err) + return err; + + offset += event->header.size; + if (event->header.type == PERF_RECORD_AUXTRACE) + offset += event->auxtrace.size; + + } while (offset < max_offset); + + return err; +} + static s64 perf_session__process_event(struct perf_session *session, union perf_event *event, u64 file_offset) { - struct perf_evlist *evlist = session->evlist; + struct evlist *evlist = session->evlist; struct perf_tool *tool = session->tool; int ret; @@ -1705,11 +1764,11 @@ static void perf_session__warn_order(const struct perf_session *session) { const struct ordered_events *oe = &session->ordered_events; - struct perf_evsel *evsel; + struct evsel *evsel; bool should_warn = true; evlist__for_each_entry(session->evlist, evsel) { - if (evsel->attr.write_backward) + if (evsel->core.attr.write_backward) should_warn = false; } @@ -1933,8 +1992,8 @@ out_err: } static union perf_event * -fetch_mmaped_event(struct perf_session *session, - u64 head, size_t mmap_size, char *buf) +prefetch_event(char *buf, u64 head, size_t mmap_size, + bool needs_swap, union perf_event *error) { union perf_event *event; @@ -1946,18 +2005,32 @@ fetch_mmaped_event(struct perf_session *session, return NULL; event = (union perf_event *)(buf + head); + if (needs_swap) + perf_event_header__bswap(&event->header); - if (session->header.needs_swap) + if (head + event->header.size <= mmap_size) + return event; + + /* We're not fetching the event so swap back again */ + if (needs_swap) perf_event_header__bswap(&event->header); - if (head + event->header.size > mmap_size) { - /* We're not fetching the event so swap back again */ - if (session->header.needs_swap) - perf_event_header__bswap(&event->header); - return NULL; - } + pr_debug("%s: head=%#" PRIx64 " event->header_size=%#x, mmap_size=%#zx:" + " fuzzed or compressed perf.data?\n",__func__, head, event->header.size, mmap_size); - return event; + return error; +} + +static union perf_event * +fetch_mmaped_event(u64 head, size_t mmap_size, char *buf, bool needs_swap) +{ + return prefetch_event(buf, head, mmap_size, needs_swap, ERR_PTR(-EINVAL)); +} + +static union perf_event * +fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap) +{ + return prefetch_event(buf, head, mmap_size, needs_swap, NULL); } static int __perf_session__process_decomp_events(struct perf_session *session) @@ -1970,7 +2043,8 @@ static int __perf_session__process_decomp_events(struct perf_session *session) return 0; while (decomp->head < decomp->size && !session_done()) { - union perf_event *event = fetch_mmaped_event(session, decomp->head, decomp->size, decomp->data); + union perf_event *event = fetch_decomp_event(decomp->head, decomp->size, decomp->data, + session->header.needs_swap); if (!event) break; @@ -2070,7 +2144,10 @@ remap: } more: - event = fetch_mmaped_event(session, head, mmap_size, buf); + event = fetch_mmaped_event(head, mmap_size, buf, session->header.needs_swap); + if (IS_ERR(event)) + return PTR_ERR(event); + if (!event) { if (mmaps[map_idx]) { munmap(mmaps[map_idx], mmap_size); @@ -2183,10 +2260,10 @@ int perf_session__process_events(struct perf_session *session) bool perf_session__has_traces(struct perf_session *session, const char *msg) { - struct perf_evsel *evsel; + struct evsel *evsel; evlist__for_each_entry(session->evlist, evsel) { - if (evsel->attr.type == PERF_TYPE_TRACEPOINT) + if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) return true; } @@ -2257,13 +2334,13 @@ size_t perf_session__fprintf(struct perf_session *session, FILE *fp) return machine__fprintf(&session->machines.host, fp); } -struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, +struct evsel *perf_session__find_first_evtype(struct perf_session *session, unsigned int type) { - struct perf_evsel *pos; + struct evsel *pos; evlist__for_each_entry(session->evlist, pos) { - if (pos->attr.type == type) + if (pos->core.attr.type == type) return pos; } return NULL; @@ -2273,23 +2350,24 @@ int perf_session__cpu_bitmap(struct perf_session *session, const char *cpu_list, unsigned long *cpu_bitmap) { int i, err = -1; - struct cpu_map *map; + struct perf_cpu_map *map; + int nr_cpus = min(session->header.env.nr_cpus_online, MAX_NR_CPUS); for (i = 0; i < PERF_TYPE_MAX; ++i) { - struct perf_evsel *evsel; + struct evsel *evsel; evsel = perf_session__find_first_evtype(session, i); if (!evsel) continue; - if (!(evsel->attr.sample_type & PERF_SAMPLE_CPU)) { + if (!(evsel->core.attr.sample_type & PERF_SAMPLE_CPU)) { pr_err("File does not contain CPU events. " "Remove -C option to proceed.\n"); return -1; } } - map = cpu_map__new(cpu_list); + map = perf_cpu_map__new(cpu_list); if (map == NULL) { pr_err("Invalid cpu_list\n"); return -1; @@ -2298,7 +2376,7 @@ int perf_session__cpu_bitmap(struct perf_session *session, for (i = 0; i < map->nr; i++) { int cpu = map->map[i]; - if (cpu >= MAX_NR_CPUS) { + if (cpu >= nr_cpus) { pr_err("Requested CPU %d too large. " "Consider raising MAX_NR_CPUS\n", cpu); goto out_delete_map; @@ -2310,7 +2388,7 @@ int perf_session__cpu_bitmap(struct perf_session *session, err = 0; out_delete_map: - cpu_map__put(map); + perf_cpu_map__put(map); return err; } @@ -2325,43 +2403,14 @@ void perf_session__fprintf_info(struct perf_session *session, FILE *fp, fprintf(fp, "# ========\n#\n"); } - -int __perf_session__set_tracepoints_handlers(struct perf_session *session, - const struct perf_evsel_str_handler *assocs, - size_t nr_assocs) -{ - struct perf_evsel *evsel; - size_t i; - int err; - - for (i = 0; i < nr_assocs; i++) { - /* - * Adding a handler for an event not in the session, - * just ignore it. - */ - evsel = perf_evlist__find_tracepoint_by_name(session->evlist, assocs[i].name); - if (evsel == NULL) - continue; - - err = -EEXIST; - if (evsel->handler != NULL) - goto out; - evsel->handler = assocs[i].handler; - } - - err = 0; -out: - return err; -} - int perf_event__process_id_index(struct perf_session *session, union perf_event *event) { - struct perf_evlist *evlist = session->evlist; - struct id_index_event *ie = &event->id_index; + struct evlist *evlist = session->evlist; + struct perf_record_id_index *ie = &event->id_index; size_t i, nr, max_nr; - max_nr = (ie->header.size - sizeof(struct id_index_event)) / + max_nr = (ie->header.size - sizeof(struct perf_record_id_index)) / sizeof(struct id_index_entry); nr = ie->nr; if (nr > max_nr) @@ -2375,10 +2424,10 @@ int perf_event__process_id_index(struct perf_session *session, struct perf_sample_id *sid; if (dump_trace) { - fprintf(stdout, " ... id: %"PRIu64, e->id); - fprintf(stdout, " idx: %"PRIu64, e->idx); - fprintf(stdout, " cpu: %"PRId64, e->cpu); - fprintf(stdout, " tid: %"PRId64"\n", e->tid); + fprintf(stdout, " ... id: %"PRI_lu64, e->id); + fprintf(stdout, " idx: %"PRI_lu64, e->idx); + fprintf(stdout, " cpu: %"PRI_ld64, e->cpu); + fprintf(stdout, " tid: %"PRI_ld64"\n", e->tid); } sid = perf_evlist__id2sid(evlist, e->id); @@ -2390,73 +2439,3 @@ int perf_event__process_id_index(struct perf_session *session, } return 0; } - -int perf_event__synthesize_id_index(struct perf_tool *tool, - perf_event__handler_t process, - struct perf_evlist *evlist, - struct machine *machine) -{ - union perf_event *ev; - struct perf_evsel *evsel; - size_t nr = 0, i = 0, sz, max_nr, n; - int err; - - pr_debug2("Synthesizing id index\n"); - - max_nr = (UINT16_MAX - sizeof(struct id_index_event)) / - sizeof(struct id_index_entry); - - evlist__for_each_entry(evlist, evsel) - nr += evsel->ids; - - n = nr > max_nr ? max_nr : nr; - sz = sizeof(struct id_index_event) + n * sizeof(struct id_index_entry); - ev = zalloc(sz); - if (!ev) - return -ENOMEM; - - ev->id_index.header.type = PERF_RECORD_ID_INDEX; - ev->id_index.header.size = sz; - ev->id_index.nr = n; - - evlist__for_each_entry(evlist, evsel) { - u32 j; - - for (j = 0; j < evsel->ids; j++) { - struct id_index_entry *e; - struct perf_sample_id *sid; - - if (i >= n) { - err = process(tool, ev, NULL, machine); - if (err) - goto out_err; - nr -= n; - i = 0; - } - - e = &ev->id_index.entries[i++]; - - e->id = evsel->id[j]; - - sid = perf_evlist__id2sid(evlist, e->id); - if (!sid) { - free(ev); - return -ENOENT; - } - - e->idx = sid->idx; - e->cpu = sid->cpu; - e->tid = sid->tid; - } - } - - sz = sizeof(struct id_index_event) + nr * sizeof(struct id_index_entry); - ev->id_index.header.size = sz; - ev->id_index.nr = nr; - - err = process(tool, ev, NULL, machine); -out_err: - free(ev); - - return err; -} |
