diff options
Diffstat (limited to 'tools/perf/arch/arm/util/cs-etm.c')
| -rw-r--r-- | tools/perf/arch/arm/util/cs-etm.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index af0a2400c655..77cb03e6ff87 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -324,8 +324,6 @@ static int cs_etm_recording_options(struct auxtrace_record *itr, perf_can_record_switch_events()) opts->record_switch_events = true; - cs_etm_evsel->core.attr.freq = 0; - cs_etm_evsel->core.attr.sample_period = 1; cs_etm_evsel->needs_auxtrace_mmap = true; opts->full_auxtrace = true; @@ -430,10 +428,10 @@ static int cs_etm_recording_options(struct auxtrace_record *itr, * when a context switch happened. */ if (!perf_cpu_map__empty(cpus)) { - cs_etm_evsel->core.attr.config |= - perf_pmu__format_bits(&cs_etm_pmu->format, "timestamp"); - cs_etm_evsel->core.attr.config |= - perf_pmu__format_bits(&cs_etm_pmu->format, "contextid"); + evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel, + "timestamp", 1); + evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel, + "contextid", 1); } /* Add dummy event to keep tracking */ @@ -914,3 +912,22 @@ struct auxtrace_record *cs_etm_record_init(int *err) out: return NULL; } + +/* + * Set a default config to enable the user changed config tracking mechanism + * (CFG_CHG and evsel__set_config_if_unset()). If no default is set then user + * changes aren't tracked. + */ +struct perf_event_attr * +cs_etm_get_default_config(struct perf_pmu *pmu __maybe_unused) +{ + struct perf_event_attr *attr; + + attr = zalloc(sizeof(struct perf_event_attr)); + if (!attr) + return NULL; + + attr->sample_period = 1; + + return attr; +} |