[PATCH v4 04/15] perf arm_spe: Correct memory level for remote access
James Clark
james.clark at linaro.org
Thu Sep 11 08:25:21 PDT 2025
On 31/07/2025 2:25 pm, Leo Yan wrote:
> 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: 4e6430cbb1a9 ("perf arm-spe: Use SPE data source for neoverse cores")
> Signed-off-by: Leo Yan <leo.yan at arm.com>
> ---
> tools/perf/util/arm-spe.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
> index 8ecf7142dcd8705c13c27e0cbacd69647dc4fd22..3086dad92965af3981b1065f2892a3e67df7b616 100644
> --- a/tools/perf/util/arm-spe.c
> +++ b/tools/perf/util/arm-spe.c
> @@ -670,8 +670,8 @@ 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;
>
Reviewed-by: James Clark <james.clark at linaro.org>
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