linux-kernel - [RFC v2 3/4] perf report: Add --spe options for arm-spe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20191024144830.16534-4-tanxiaojun@huawei.com>
Date:   Thu, 24 Oct 2019 22:48:29 +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>,
        <huawei.libin@...wei.com>, <linux-kernel@...r.kernel.org>,
        <linux-perf-users@...r.kernel.org>
Subject: [RFC v2 3/4] 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 7315f155803f..a3628dde3be7 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -462,6 +462,15 @@ 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.
 
-- 
2.17.1