diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-06-04 13:41:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-04 13:41:37 +0200 |
| commit | df97992c6e25ffc66c549c8bc59262dc627c6d17 (patch) | |
| tree | 5d666762c78320adeb2e15fe362c3b2909e0b66b /Documentation | |
| parent | 3aff27ca84fa94311ae99189e54fed8d83b69fc1 (diff) | |
perf record/report: Fix PID/COMM handling
Fix two bugs causing lost comm mappings:
- initial PID is not 0 but getpid()
- when we are unable to handle an mmap event, dont assume the event
itself is broken - try to parse the stream. This way we wont lose
comm events.
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>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/perf_counter/builtin-record.c | 2 | ||||
| -rw-r--r-- | Documentation/perf_counter/builtin-report.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/perf_counter/builtin-record.c b/Documentation/perf_counter/builtin-record.c index efa2eb498e9..bf59df5bddf 100644 --- a/Documentation/perf_counter/builtin-record.c +++ b/Documentation/perf_counter/builtin-record.c @@ -430,7 +430,7 @@ static int __cmd_record(int argc, const char **argv) } if (!system_wide) { - open_counters(-1, target_pid != -1 ? target_pid : 0); + open_counters(-1, target_pid != -1 ? target_pid : getpid()); } else for (i = 0; i < nr_cpus; i++) open_counters(i, target_pid); diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c index 86f23f0991f..ff6f657476a 100644 --- a/Documentation/perf_counter/builtin-report.c +++ b/Documentation/perf_counter/builtin-report.c @@ -852,7 +852,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head) if (thread == NULL || map == NULL) { dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n"); - return -1; + return 0; } thread__insert_map(thread, map); |