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-rw-r--r--tools/perf/util/intel-pt.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 7bee969eb335..a494d47aa1ad 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -278,9 +278,17 @@ static int intel_pt_do_fix_overlap(struct intel_pt *pt, struct auxtrace_buffer *
void *start;
start = intel_pt_find_overlap(a->data, a->size, b->data, b->size,
- pt->have_tsc, &consecutive);
+ pt->have_tsc, &consecutive,
+ pt->synth_opts.vm_time_correlation);
if (!start)
return -EINVAL;
+ /*
+ * In the case of vm_time_correlation, the overlap might contain TSC
+ * packets that will not be fixed, and that will then no longer work for
+ * overlap detection. Avoid that by zeroing out the overlap.
+ */
+ if (pt->synth_opts.vm_time_correlation)
+ memset(b->data, 0, start - b->data);
b->use_size = b->data + b->size - start;
b->use_data = start;
if (b->use_size && consecutive)