[PATCH 5.15 123/177] perf arm-spe: Fix addresses of synthesized SPE events

Greg Kroah-Hartman gregkh at linuxfoundation.org
Wed May 4 09:45:16 PDT 2022


From: Timothy Hayes <timothy.hayes at arm.com>

[ Upstream commit 4e13f6706d5aee1a6b835a44f6cf4971a921dcb8 ]

This patch corrects a bug whereby synthesized events from SPE
samples are missing virtual addresses.

Fixes: 54f7815efef7fad9 ("perf arm-spe: Fill address info for samples")
Reviewed-by: Leo Yan <leo.yan at linaro.org>
Signed-off-by: Timothy Hayes <timothy.hayes at arm.com>
Cc: Alexander Shishkin <alexander.shishkin at linux.intel.com>
Cc: bpf at vger.kernel.org
Cc: Jiri Olsa <jolsa at kernel.org>
Cc: John Fastabend <john.fastabend at gmail.com>
Cc: John Garry <john.garry at huawei.com>
Cc: KP Singh <kpsingh at kernel.org>
Cc: Leo Yan <leo.yan at linaro.org>
Cc: linux-arm-kernel at lists.infradead.org
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: Martin KaFai Lau <kafai at fb.com>
Cc: Mathieu Poirier <mathieu.poirier at linaro.org>
Cc: Namhyung Kim <namhyung at kernel.org>
Cc: netdev at vger.kernel.org
Cc: Song Liu <songliubraving at fb.com>
Cc: Will Deacon <will at kernel.org>
Cc: Yonghong Song <yhs at fb.com>
Link: https://lore.kernel.org/r/20220421165205.117662-2-timothy.hayes@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme at redhat.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 tools/perf/util/arm-spe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 7054f23150e1..235549bb28b9 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -927,7 +927,8 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
 	attr.type = PERF_TYPE_HARDWARE;
 	attr.sample_type = evsel->core.attr.sample_type & PERF_SAMPLE_MASK;
 	attr.sample_type |= PERF_SAMPLE_IP | PERF_SAMPLE_TID |
-			    PERF_SAMPLE_PERIOD | PERF_SAMPLE_DATA_SRC;
+			    PERF_SAMPLE_PERIOD | PERF_SAMPLE_DATA_SRC |
+			    PERF_SAMPLE_ADDR;
 	if (spe->timeless_decoding)
 		attr.sample_type &= ~(u64)PERF_SAMPLE_TIME;
 	else
-- 
2.35.1






More information about the linux-arm-kernel mailing list