diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2020-07-10 17:10:57 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 13:21:31 +0200 |
| commit | cb971438b7daa986b599942987e8a4d78443ad58 (patch) | |
| tree | a75ffc97f2ea9199eb9e1aaeba164bdc0f2e1c98 /tools/perf/util/auxtrace.h | |
| parent | perf auxtrace: Add missing itrace options to help text (diff) | |
| download | linux-cb971438b7daa986b599942987e8a4d78443ad58.tar.xz linux-cb971438b7daa986b599942987e8a4d78443ad58.zip | |
perf auxtrace: Add optional error flags to the itrace 'e' option
Allow the 'e' option to be followed by flags which will affect what errors
will or will not be reported. Each flag must be preceded by either '+' or
'-'. The flags are:
o overflow
l trace data lost
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20200710151104.15137-6-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/auxtrace.h')
| -rw-r--r-- | tools/perf/util/auxtrace.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index e3ce5fb03ca0..cfe6d00d8624 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -55,6 +55,9 @@ enum itrace_period_type { PERF_ITRACE_PERIOD_NANOSECS, }; +#define AUXTRACE_ERR_FLG_OVERFLOW (1 << ('o' - 'a')) +#define AUXTRACE_ERR_FLG_DATA_LOST (1 << ('l' - 'a')) + /** * struct itrace_synth_opts - AUX area tracing synthesis options. * @set: indicates whether or not options have been set @@ -91,6 +94,8 @@ enum itrace_period_type { * @cpu_bitmap: CPUs for which to synthesize events, or NULL for all * @ptime_range: time intervals to trace or NULL * @range_num: number of time intervals to trace + * @error_plus_flags: flags to affect what errors are reported + * @error_minus_flags: flags to affect what errors are reported */ struct itrace_synth_opts { bool set; @@ -124,6 +129,8 @@ struct itrace_synth_opts { unsigned long *cpu_bitmap; struct perf_time_interval *ptime_range; int range_num; + unsigned int error_plus_flags; + unsigned int error_minus_flags; }; /** @@ -613,7 +620,10 @@ bool auxtrace__evsel_is_auxtrace(struct perf_session *session, " p: synthesize power events\n" \ " o: synthesize other events recorded due to the use\n" \ " of aux-output (refer to perf record)\n" \ -" e: synthesize error events\n" \ +" e[flags]: synthesize error events\n" \ +" each flag must be preceded by + or -\n" \ +" error flags are: o (overflow)\n" \ +" l (data lost)\n" \ " d: create a debug log\n" \ " f: synthesize first level cache events\n" \ " m: synthesize last level cache events\n" \ |