[PATCH v2 3/7] perf report: Add --spe options for arm-spe

James Clark
2020-01-23T16:08:21Z

From: Tan Xiaojun <tanxiaojun@huawei.com>

The previous patch added support in "perf report" for some arm-spe
events(llc-miss, tlb-miss, branch-miss, remote_access). This patch
adds their help instructions.

Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Tested-by: Qi Liu <liuqi115@hisilicon.com>
Signed-off-by: James Clark <james.clark@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Tan Xiaojun <tanxiaojun@huawei.com>
Cc: Al Grant <al.grant@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/Documentation/perf-report.txt | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index db61f16ffa56..01eae9a0ff98 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -468,6 +468,16 @@ include::itrace.txt[]

To disable decoding entirely, use --no-itrace.

+--spe::
+ Options for decoding arm-spe tracing data. The options are:
+
+ l synthesize llc miss events
+ t synthesize tlb miss events
+ b synthesize branch miss events
+ r synthesize remote access events
+
+ The default is all events i.e. the same as --spe=ltbr
+
--full-source-path::
Show the full path for source files for srcline output.

--
2.25.0