diff options
Diffstat (limited to 'kernel/tools/perf/arch')
| -rw-r--r-- | kernel/tools/perf/arch/x86/util/intel-pt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/tools/perf/arch/x86/util/intel-pt.c b/kernel/tools/perf/arch/x86/util/intel-pt.c index b02af064f..c53f78767 100644 --- a/kernel/tools/perf/arch/x86/util/intel-pt.c +++ b/kernel/tools/perf/arch/x86/util/intel-pt.c @@ -499,7 +499,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, struct intel_pt_recording *ptr = container_of(itr, struct intel_pt_recording, itr); struct perf_pmu *intel_pt_pmu = ptr->intel_pt_pmu; - bool have_timing_info; + bool have_timing_info, need_immediate = false; struct perf_evsel *evsel, *intel_pt_evsel = NULL; const struct cpu_map *cpus = evlist->cpus; bool privileged = geteuid() == 0 || perf_event_paranoid() < 0; @@ -653,6 +653,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, ptr->have_sched_switch = 3; } else { opts->record_switch_events = true; + need_immediate = true; if (cpu_wide) ptr->have_sched_switch = 3; else @@ -698,6 +699,9 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, tracking_evsel->attr.freq = 0; tracking_evsel->attr.sample_period = 1; + if (need_immediate) + tracking_evsel->immediate = true; + /* In per-cpu case, always need the time of mmap events etc */ if (!cpu_map__empty(cpus)) { perf_evsel__set_sample_bit(tracking_evsel, TIME); |