linux-kernel - [RFC PATCH 3/3] perf report: add --spe options for arm-spe

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Message-ID: <1564738813-10944-4-git-send-email-tanxiaojun@huawei.com>
Date:   Fri, 2 Aug 2019 17:40:13 +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>
CC:     <gengdongjiu@...wei.com>, <wxf.wang@...ilicon.com>,
        <liwei391@...wei.com>, <tanxiaojun@...wei.com>,
        <huawei.libin@...wei.com>, <linux-kernel@...r.kernel.org>,
        <jeremy.linton@....com>, <linux-perf-users@...r.kernel.org>
Subject: [RFC PATCH 3/3] 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). This patch adds their help
instructions.

Signed-off-by: Tan Xiaojun <tanxiaojun@...wei.com>
---
 tools/perf/Documentation/perf-report.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 987261d..d998d4b 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -445,6 +445,15 @@ 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
+
+	The default is all events i.e. the same as --spe=ltb
+
 --full-source-path::
 	Show the full path for source files for srcline output.
 
-- 
2.7.4