diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2013-07-16 17:09:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-07-23 12:17:08 +0200 |
| commit | a5cdd40c9877e9aba704c020fd65d26b5cfecf18 (patch) | |
| tree | c982579a4e7dc506c16b822b02b768a28616af35 /include | |
| parent | kprobes/x86: Call out into INT3 handler directly instead of using notifier (diff) | |
| download | linux-a5cdd40c9877e9aba704c020fd65d26b5cfecf18.tar.xz linux-a5cdd40c9877e9aba704c020fd65d26b5cfecf18.zip | |
perf: Update perf_event_type documentation
Due to a discussion with Adrian I had a good look at the perf_event_type record
layout and found the documentation to be somewhat unclear.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130716150907.GL23818@dyad.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/perf_event.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 0b1df41691e8..00d8274730b4 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -478,6 +478,16 @@ enum perf_event_type { * file will be supported by older perf tools, with these new optional * fields being ignored. * + * struct sample_id { + * { u32 pid, tid; } && PERF_SAMPLE_TID + * { u64 time; } && PERF_SAMPLE_TIME + * { u64 id; } && PERF_SAMPLE_ID + * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID + * { u32 cpu, res; } && PERF_SAMPLE_CPU + * } && perf_event_attr::sample_id_all + */ + + /* * The MMAP events record the PROT_EXEC mappings so that we can * correlate userspace IPs to code. They have the following structure: * @@ -498,6 +508,7 @@ enum perf_event_type { * struct perf_event_header header; * u64 id; * u64 lost; + * struct sample_id sample_id; * }; */ PERF_RECORD_LOST = 2, @@ -508,6 +519,7 @@ enum perf_event_type { * * u32 pid, tid; * char comm[]; + * struct sample_id sample_id; * }; */ PERF_RECORD_COMM = 3, @@ -518,6 +530,7 @@ enum perf_event_type { * u32 pid, ppid; * u32 tid, ptid; * u64 time; + * struct sample_id sample_id; * }; */ PERF_RECORD_EXIT = 4, @@ -528,6 +541,7 @@ enum perf_event_type { * u64 time; * u64 id; * u64 stream_id; + * struct sample_id sample_id; * }; */ PERF_RECORD_THROTTLE = 5, @@ -539,6 +553,7 @@ enum perf_event_type { * u32 pid, ppid; * u32 tid, ptid; * u64 time; + * struct sample_id sample_id; * }; */ PERF_RECORD_FORK = 7, @@ -549,6 +564,7 @@ enum perf_event_type { * u32 pid, tid; * * struct read_format values; + * struct sample_id sample_id; * }; */ PERF_RECORD_READ = 8, @@ -596,7 +612,7 @@ enum perf_event_type { * u64 dyn_size; } && PERF_SAMPLE_STACK_USER * * { u64 weight; } && PERF_SAMPLE_WEIGHT - * { u64 data_src; } && PERF_SAMPLE_DATA_SRC + * { u64 data_src; } && PERF_SAMPLE_DATA_SRC * }; */ PERF_RECORD_SAMPLE = 9, |