diff mbox series

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

Message ID 20200123160734.3775-4-james.clark@arm.com (mailing list archive)
State New, archived
Headers show
Series perf tools: Add support for some spe events and precise ip | expand

Commit Message

James Clark Jan. 23, 2020, 4:07 p.m. UTC 
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 mbox series

Patch

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.