diff options
| -rw-r--r-- | tools/perf/arch/x86/util/intel-pt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index 6de7e2d21075..c8fa15f280d2 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -758,7 +758,8 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, } if (!opts->auxtrace_snapshot_mode && !opts->auxtrace_sample_mode) { - u32 aux_watermark = opts->auxtrace_mmap_pages * page_size / 4; + size_t aw = opts->auxtrace_mmap_pages * (size_t)page_size / 4; + u32 aux_watermark = aw > UINT_MAX ? UINT_MAX : aw; intel_pt_evsel->core.attr.aux_watermark = aux_watermark; } |