diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/auxtrace.c | 44 | ||||
| -rw-r--r-- | tools/perf/util/auxtrace.h | 12 |
2 files changed, 55 insertions, 1 deletions
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 25c639ac4ad4..f0b0758830ee 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1349,6 +1349,47 @@ void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts, synth_opts->initial_skip = 0; } +static int get_flag(const char **ptr, unsigned int *flags) +{ + while (1) { + char c = **ptr; + + if (c >= 'a' && c <= 'z') { + *flags |= 1 << (c - 'a'); + ++*ptr; + return 0; + } else if (c == ' ') { + ++*ptr; + continue; + } else { + return -1; + } + } +} + +static int get_flags(const char **ptr, unsigned int *plus_flags, unsigned int *minus_flags) +{ + while (1) { + switch (**ptr) { + case '+': + ++*ptr; + if (get_flag(ptr, plus_flags)) + return -1; + break; + case '-': + ++*ptr; + if (get_flag(ptr, minus_flags)) + return -1; + break; + case ' ': + ++*ptr; + break; + default: + return 0; + } + } +} + /* * Please check tools/perf/Documentation/perf-script.txt for information * about the options parsed here, which is introduced after this cset, @@ -1436,6 +1477,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str, break; case 'e': synth_opts->errors = true; + if (get_flags(&p, &synth_opts->error_plus_flags, + &synth_opts->error_minus_flags)) + goto out_err; break; case 'd': synth_opts->log = true; 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" \ |