Messages in this thread Patch in this message | | | From | Leo Yan <> | Subject | [PATCH v3 9/9] perf mem: Document event type 'ldst' | Date | Wed, 28 Oct 2020 14:38:13 +0800 |
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The event type 'ldst' is added for recording both load and store memory operations, this patch documents for the new event type.
Signed-off-by: Leo Yan <leo.yan@linaro.org> --- tools/perf/Documentation/perf-mem.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt index 199ea0f0a6c0..c50ef37dba72 100644 --- a/tools/perf/Documentation/perf-mem.txt +++ b/tools/perf/Documentation/perf-mem.txt @@ -38,7 +38,11 @@ OPTIONS -t:: --type=<type>:: - Select the memory operation type: load or store (default: load,store) + Select the memory operation type: load, store, ldst (default: load,store). + The type 'ldst' means the single event can record both for load and store + operations; Intel and PowerPC support the types 'load' and 'store' but + 'ldst' cannot be used; on Arm64, it uses Arm SPE as memory events and + user needs to specify one of these three types. -D:: --dump-raw-samples:: -- 2.17.1
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