1 files changed, 5 insertions, 1 deletions

diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index fb51457ba338..a2412e9d883b 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -501,7 +501,7 @@ 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;
@@ -655,6 +655,7 @@ 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
@@ -700,6 +701,9 @@ 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);