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[kvmfornfv.git] / kernel / tools / perf / arch / x86 / util / intel-pt.c

diff --git a/kernel/tools/perf/arch/x86/util/intel-pt.c b/kernel/tools/perf/arch/x86/util/intel-pt.c
index b02af06..c53f787 100644 (file)
--- 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);