From: Leo Yan <leo.yan@arm.com>
Date: Fri, 12 Sep 2025 15:42:09 +0000 (+0100)
Subject: perf arm_spe: Correct memory level for remote access
X-Git-Tag: v6.1.157~152
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1459df54156543954c4906ef49d187647b2e7070;p=thirdparty%2Fkernel%2Fstable.git

perf arm_spe: Correct memory level for remote access

[ Upstream commit cb300e3515057fb555983ce47e8acc86a5c69c3c ]

For remote accesses, the data source packet does not contain information
about the memory level. To avoid misinformation, set the memory level to
NA (Not Available).

Fixes: 4e6430cbb1a9f1dc ("perf arm-spe: Use SPE data source for neoverse cores")
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Leo Yan <leo.yan@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ali Saidi <alisaidi@amazon.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 36f03d532d5bc..383eda614f5c4 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -457,8 +457,8 @@ static void arm_spe__synth_data_source_common(const struct arm_spe_record *recor
 	 * socket
 	 */
 	case ARM_SPE_COMMON_DS_REMOTE:
-		data_src->mem_lvl = PERF_MEM_LVL_REM_CCE1;
-		data_src->mem_lvl_num = PERF_MEM_LVLNUM_ANY_CACHE;
+		data_src->mem_lvl = PERF_MEM_LVL_NA;
+		data_src->mem_lvl_num = PERF_MEM_LVLNUM_NA;
 		data_src->mem_remote = PERF_MEM_REMOTE_REMOTE;
 		data_src->mem_snoopx = PERF_MEM_SNOOPX_PEER;
 		break;