From: Adrian Hunter adrian.hunter@intel.com
[ Upstream commit 4c95ad261cfac120dd66238fcae222766754c219 ]
The condition to add XMM registers was missing, the regs array needed to be in the outer scope, and the size of the regs array was too small.
Fixes: 143d34a6b387b ("perf intel-pt: Add XMM registers to synthesized PEBS sample") Signed-off-by: Adrian Hunter adrian.hunter@intel.com Cc: Jiri Olsa jolsa@redhat.com Cc: Luwei Kang luwei.kang@intel.com Link: http://lore.kernel.org/lkml/20200630133935.11150-4-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/util/intel-pt.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 23c8289c2472d..545d1cdc0ec87 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1731,6 +1731,7 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq) u64 sample_type = evsel->core.attr.sample_type; u64 id = evsel->core.id[0]; u8 cpumode; + u64 regs[8 * sizeof(sample.intr_regs.mask)];
if (intel_pt_skip_event(pt)) return 0; @@ -1780,8 +1781,8 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq) }
if (sample_type & PERF_SAMPLE_REGS_INTR && - items->mask[INTEL_PT_GP_REGS_POS]) { - u64 regs[sizeof(sample.intr_regs.mask)]; + (items->mask[INTEL_PT_GP_REGS_POS] || + items->mask[INTEL_PT_XMM_POS])) { u64 regs_mask = evsel->core.attr.sample_regs_intr; u64 *pos;