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author | Ingo Molnar <mingo@elte.hu> | 2009-05-26 18:48:58 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-05-26 18:48:58 +0200 |
commit | 97b07b699b11d4bd1218a841e5dfed16bd53de06 (patch) | |
tree | 117a11e9c0acf77b92e030bcb53138d4d268e2c9 /Documentation | |
parent | abd54f68629fa73ed4fa040d433196211a9bbed2 (diff) | |
download | op-kernel-dev-97b07b699b11d4bd1218a841e5dfed16bd53de06.zip op-kernel-dev-97b07b699b11d4bd1218a841e5dfed16bd53de06.tar.gz |
perf report: add --dump-raw-trace option
To help the inspection of various data files, implement an ASCII dump
method that just dumps the records as they are read in - then we exit.
[ Impact: new feature ]
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/perf_counter/builtin-report.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c index e178190..8ea8aaa 100644 --- a/Documentation/perf_counter/builtin-report.c +++ b/Documentation/perf_counter/builtin-report.c @@ -20,6 +20,8 @@ static char const *input_name = "output.perf"; static int input; static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; +static int dump_trace = 0; + static unsigned long page_size; static unsigned long mmap_window = 32; @@ -643,7 +645,7 @@ static int __cmd_report(void) char *buf; event_t *event; int ret, rc = EXIT_FAILURE; - unsigned long total = 0; + unsigned long total = 0, total_mmap = 0, total_comm = 0; input = open(input_name, O_RDONLY); if (input < 0) { @@ -706,6 +708,13 @@ more: struct thread *thread = threads__findnew(event->ip.pid); uint64_t ip = event->ip.ip; + if (dump_trace) { + fprintf(stderr, "PERF_EVENT (IP, %d): %d: %p\n", + event->header.misc, + event->ip.pid, + (void *)event->ip.ip); + } + if (thread == NULL) { fprintf(stderr, "problem processing %d event, bailing out\n", event->header.type); @@ -743,23 +752,40 @@ more: struct thread *thread = threads__findnew(event->mmap.pid); struct map *map = map__new(&event->mmap); + if (dump_trace) { + fprintf(stderr, "PERF_EVENT_MMAP: [%p(%p) @ %p]: %s\n", + (void *)event->mmap.start, + (void *)event->mmap.len, + (void *)event->mmap.pgoff, + event->mmap.filename); + } if (thread == NULL || map == NULL) { fprintf(stderr, "problem processing PERF_EVENT_MMAP, bailing out\n"); goto done; } thread__insert_map(thread, map); + total_mmap++; break; } case PERF_EVENT_COMM: { struct thread *thread = threads__findnew(event->comm.pid); + if (dump_trace) { + fprintf(stderr, "PERF_EVENT_COMM: %s:%d\n", + event->comm.comm, event->comm.pid); + } if (thread == NULL || thread__set_comm(thread, event->comm.comm)) { fprintf(stderr, "problem processing PERF_EVENT_COMM, bailing out\n"); goto done; } + total_comm++; break; } + default: { + fprintf(stderr, "skipping unknown header type: %d\n", + event->header.type); + } } if (offset + head < stat.st_size) @@ -768,6 +794,15 @@ more: rc = EXIT_SUCCESS; done: close(input); + + if (dump_trace) { + fprintf(stderr, " IP events: %10ld\n", total); + fprintf(stderr, " mmap events: %10ld\n", total_mmap); + fprintf(stderr, " comm events: %10ld\n", total_comm); + + return 0; + } + //dsos__fprintf(stdout); threads__fprintf(stdout); #if 0 @@ -796,6 +831,8 @@ static const char * const report_usage[] = { static const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), + OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, + "dump raw trace in ASCII"), OPT_END() }; |