linux-kernel - [PATCH 3/6] perf report: Add --spe options for arm-spe

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Message-ID: <20191218075455.5106-4-tanxiaojun@huawei.com>
Date:   Wed, 18 Dec 2019 15:54:52 +0800
From:   Tan Xiaojun <tanxiaojun@...wei.com>
To:     <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
        <alexander.shishkin@...ux.intel.com>, <jolsa@...hat.com>,
        <namhyung@...nel.org>, <ak@...ux.intel.com>,
        <adrian.hunter@...el.com>, <yao.jin@...ux.intel.com>,
        <tmricht@...ux.ibm.com>, <brueckner@...ux.ibm.com>,
        <songliubraving@...com>, <gregkh@...uxfoundation.org>,
        <kim.phillips@....com>, <James.Clark@....com>,
        <jeremy.linton@....com>
CC:     <gengdongjiu@...wei.com>, <wxf.wang@...ilicon.com>,
        <liwei391@...wei.com>, <tanxiaojun@...wei.com>,
        <liuqi115@...ilicon.com>, <huawei.libin@...wei.com>,
        <linux-kernel@...r.kernel.org>, <linux-perf-users@...r.kernel.org>
Subject: [PATCH 3/6] perf report: Add --spe options for arm-spe

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@...wei.com>
Tested-by: Qi Liu <liuqi115@...ilicon.com>
---
 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 8dbe2119686a..1ae370806fe7 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -462,6 +462,16 @@ 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.
 
-- 
2.17.1