Messages in this thread Patch in this message | | | From | Alexey Bayduraev <> | Subject | [PATCH v7 12/20] perf report: Output data file name in raw trace dump | Date | Tue, 22 Jun 2021 11:42:21 +0300 |
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Print path and name of a data file into raw dump (-D) <file_offset>@<path/file>. Print offset of PERF_RECORD_COMPRESSED record instead of zero for decompressed records: 0x2226a@perf.data [0x30]: event: 9 or 0x15cc36@perf.data/data.7 [0x30]: event: 9
Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> --- tools/perf/builtin-inject.c | 3 +- tools/perf/util/ordered-events.h | 1 + tools/perf/util/session.c | 77 +++++++++++++++++++------------- tools/perf/util/session.h | 1 + tools/perf/util/tool.h | 3 +- 5 files changed, 52 insertions(+), 33 deletions(-)
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 5d6f583e2cd3..649e6746cc70 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -109,7 +109,8 @@ static int perf_event__repipe_op2_synth(struct perf_session *session, static int perf_event__repipe_op4_synth(struct perf_session *session, union perf_event *event, - u64 data __maybe_unused) + u64 data __maybe_unused, + const char *str __maybe_unused) { return perf_event__repipe_synth(session->tool, event); } diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h index 75345946c4b9..42c9764c6b5b 100644 --- a/tools/perf/util/ordered-events.h +++ b/tools/perf/util/ordered-events.h @@ -9,6 +9,7 @@ struct perf_sample; struct ordered_event { u64 timestamp; u64 file_offset; + const char *file_path; union perf_event *event; struct list_head list; }; diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 0dbb4f2628f3..09efd7c02400 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -38,7 +38,8 @@ #ifdef HAVE_ZSTD_SUPPORT static int perf_session__process_compressed_event(struct perf_session *session, - union perf_event *event, u64 file_offset) + union perf_event *event, u64 file_offset, + const char *file_path) { void *src; size_t decomp_size, src_size; @@ -60,6 +61,7 @@ static int perf_session__process_compressed_event(struct perf_session *session, } decomp->file_pos = file_offset; + decomp->file_path = file_path; decomp->mmap_len = mmap_len; decomp->head = 0; @@ -100,7 +102,8 @@ static int perf_session__process_compressed_event(struct perf_session *session, static int perf_session__deliver_event(struct perf_session *session, union perf_event *event, struct perf_tool *tool, - u64 file_offset); + u64 file_offset, + const char *file_path); static int perf_session__open(struct perf_session *session) { @@ -182,7 +185,8 @@ static int ordered_events__deliver_event(struct ordered_events *oe, ordered_events); return perf_session__deliver_event(session, event->event, - session->tool, event->file_offset); + session->tool, event->file_offset, + event->file_path); } struct perf_session *perf_session__new(struct perf_data *data, @@ -464,7 +468,8 @@ static int process_event_time_conv_stub(struct perf_session *perf_session __mayb static int perf_session__process_compressed_event_stub(struct perf_session *session __maybe_unused, union perf_event *event __maybe_unused, - u64 file_offset __maybe_unused) + u64 file_offset __maybe_unused, + const char *file_path __maybe_unused) { dump_printf(": unhandled!\n"); return 0; @@ -1267,13 +1272,14 @@ static void sample_read__printf(struct perf_sample *sample, u64 read_format) } static void dump_event(struct evlist *evlist, union perf_event *event, - u64 file_offset, struct perf_sample *sample) + u64 file_offset, struct perf_sample *sample, + const char *file_path) { if (!dump_trace) return; - printf("\n%#" PRIx64 " [%#x]: event: %d\n", - file_offset, event->header.size, event->header.type); + printf("\n%#" PRIx64 "@%s [%#x]: event: %d\n", + file_offset, file_path, event->header.size, event->header.type); trace_event(event); if (event->header.type == PERF_RECORD_SAMPLE && evlist->trace_event_sample_raw) @@ -1476,12 +1482,13 @@ static int machines__deliver_event(struct machines *machines, struct evlist *evlist, union perf_event *event, struct perf_sample *sample, - struct perf_tool *tool, u64 file_offset) + struct perf_tool *tool, u64 file_offset, + const char *file_path) { struct evsel *evsel; struct machine *machine; - dump_event(evlist, event, file_offset, sample); + dump_event(evlist, event, file_offset, sample, file_path); evsel = evlist__id2evsel(evlist, sample->id); @@ -1558,7 +1565,8 @@ static int machines__deliver_event(struct machines *machines, static int perf_session__deliver_event(struct perf_session *session, union perf_event *event, struct perf_tool *tool, - u64 file_offset) + u64 file_offset, + const char *file_path) { struct perf_sample sample; int ret = evlist__parse_sample(session->evlist, event, &sample); @@ -1575,7 +1583,7 @@ static int perf_session__deliver_event(struct perf_session *session, return 0; ret = machines__deliver_event(&session->machines, session->evlist, - event, &sample, tool, file_offset); + event, &sample, tool, file_offset, file_path); if (dump_trace && sample.aux_sample.size) auxtrace__dump_auxtrace_sample(session, &sample); @@ -1585,7 +1593,8 @@ static int perf_session__deliver_event(struct perf_session *session, static s64 perf_session__process_user_event(struct perf_session *session, union perf_event *event, - u64 file_offset) + u64 file_offset, + const char *file_path) { struct ordered_events *oe = &session->ordered_events; struct perf_tool *tool = session->tool; @@ -1595,7 +1604,7 @@ static s64 perf_session__process_user_event(struct perf_session *session, if (event->header.type != PERF_RECORD_COMPRESSED || tool->compressed == perf_session__process_compressed_event_stub) - dump_event(session->evlist, event, file_offset, &sample); + dump_event(session->evlist, event, file_offset, &sample, file_path); /* These events are processed right away */ switch (event->header.type) { @@ -1654,9 +1663,9 @@ static s64 perf_session__process_user_event(struct perf_session *session, case PERF_RECORD_HEADER_FEATURE: return tool->feature(session, event); case PERF_RECORD_COMPRESSED: - err = tool->compressed(session, event, file_offset); + err = tool->compressed(session, event, file_offset, file_path); if (err) - dump_event(session->evlist, event, file_offset, &sample); + dump_event(session->evlist, event, file_offset, &sample, file_path); return err; default: return -EINVAL; @@ -1673,9 +1682,9 @@ int perf_session__deliver_synth_event(struct perf_session *session, events_stats__inc(&evlist->stats, event->header.type); if (event->header.type >= PERF_RECORD_USER_TYPE_START) - return perf_session__process_user_event(session, event, 0); + return perf_session__process_user_event(session, event, 0, NULL); - return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0); + return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0, NULL); } static void event_swap(union perf_event *event, bool sample_id_all) @@ -1771,7 +1780,8 @@ int perf_session__peek_events(struct perf_session *session, u64 offset, } static s64 perf_session__process_event(struct perf_session *session, - union perf_event *event, u64 file_offset) + union perf_event *event, u64 file_offset, + const char *file_path) { struct evlist *evlist = session->evlist; struct perf_tool *tool = session->tool; @@ -1786,7 +1796,7 @@ static s64 perf_session__process_event(struct perf_session *session, events_stats__inc(&evlist->stats, event->header.type); if (event->header.type >= PERF_RECORD_USER_TYPE_START) - return perf_session__process_user_event(session, event, file_offset); + return perf_session__process_user_event(session, event, file_offset, file_path); if (tool->ordered_events) { u64 timestamp = -1ULL; @@ -1800,7 +1810,7 @@ static s64 perf_session__process_event(struct perf_session *session, return ret; } - return perf_session__deliver_event(session, event, tool, file_offset); + return perf_session__deliver_event(session, event, tool, file_offset, file_path); } void perf_event_header__bswap(struct perf_event_header *hdr) @@ -2020,7 +2030,8 @@ static int __perf_session__process_pipe_events(struct perf_session *session) } } - if ((skip = perf_session__process_event(session, event, head)) < 0) { + skip = perf_session__process_event(session, event, head, "pipe"); + if (skip < 0) { pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", head, event->header.size, event->header.type); err = -EINVAL; @@ -2101,7 +2112,7 @@ fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap) static int __perf_session__process_decomp_events(struct perf_session *session) { s64 skip; - u64 size, file_pos = 0; + u64 size; struct decomp *decomp = session->decomp_last; if (!decomp) @@ -2115,9 +2126,9 @@ static int __perf_session__process_decomp_events(struct perf_session *session) break; size = event->header.size; - - if (size < sizeof(struct perf_event_header) || - (skip = perf_session__process_event(session, event, file_pos)) < 0) { + skip = perf_session__process_event(session, event, decomp->file_pos, + decomp->file_path); + if (size < sizeof(struct perf_event_header) || skip < 0) { pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", decomp->file_pos + decomp->head, event->header.size, event->header.type); return -EINVAL; @@ -2148,10 +2159,12 @@ struct reader; typedef s64 (*reader_cb_t)(struct perf_session *session, union perf_event *event, - u64 file_offset); + u64 file_offset, + const char *file_path); struct reader { int fd; + const char *path; u64 data_size; u64 data_offset; reader_cb_t process; @@ -2233,9 +2246,9 @@ reader__process_events(struct reader *rd, struct perf_session *session, skip = -EINVAL; if (size < sizeof(struct perf_event_header) || - (skip = rd->process(session, event, file_pos)) < 0) { - pr_err("%#" PRIx64 " [%#x]: failed to process type: %d [%s]\n", - file_offset + head, event->header.size, + (skip = rd->process(session, event, file_pos, rd->path)) < 0) { + pr_err("%#" PRIx64 " [%s] [%#x]: failed to process type: %d [%s]\n", + file_offset + head, rd->path, event->header.size, event->header.type, strerror(-skip)); err = skip; goto out; @@ -2265,9 +2278,10 @@ reader__process_events(struct reader *rd, struct perf_session *session, static s64 process_simple(struct perf_session *session, union perf_event *event, - u64 file_offset) + u64 file_offset, + const char *file_path) { - return perf_session__process_event(session, event, file_offset); + return perf_session__process_event(session, event, file_offset, file_path); } static int __perf_session__process_events(struct perf_session *session) @@ -2277,6 +2291,7 @@ static int __perf_session__process_events(struct perf_session *session) .data_size = session->header.data_size, .data_offset = session->header.data_offset, .process = process_simple, + .path = session->data->file.path, .in_place_update = session->data->in_place_update, }; struct ordered_events *oe = &session->ordered_events; diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index e31ba4c92a6c..6895a22ab5b7 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -46,6 +46,7 @@ struct perf_session { struct decomp { struct decomp *next; u64 file_pos; + const char *file_path; size_t mmap_len; u64 head; size_t size; diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h index bbbc0dcd461f..c966531d3eca 100644 --- a/tools/perf/util/tool.h +++ b/tools/perf/util/tool.h @@ -28,7 +28,8 @@ typedef int (*event_attr_op)(struct perf_tool *tool, typedef int (*event_op2)(struct perf_session *session, union perf_event *event); typedef s64 (*event_op3)(struct perf_session *session, union perf_event *event); -typedef int (*event_op4)(struct perf_session *session, union perf_event *event, u64 data); +typedef int (*event_op4)(struct perf_session *session, union perf_event *event, u64 data, + const char *str); typedef int (*event_oe)(struct perf_tool *tool, union perf_event *event, struct ordered_events *oe); -- 2.19.0
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