linux-kernel - [PATCH] perf script: add -S/--symbols documentation

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Message-Id: <20200402174130.140319-1-irogers@google.com>
Date:   Thu,  2 Apr 2020 10:41:30 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org
Cc:     Stephane Eranian <eranian@...gle.com>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH] perf script: add -S/--symbols documentation

Capture both that this option exists and that symbols can be hexadecimal
addresses.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/Documentation/perf-script.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 99a9853a11ba..963487e82edc 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -412,6 +412,14 @@ include::itrace.txt[]
 --xed::
 	Run xed disassembler on output. Requires installing the xed disassembler.
 
+-S::
+--symbols=symbol[,symbol...]::
+	Only consider the listed symbols. Symbols are typically a name
+	but they may also be hexadecimal address.
+
+	For example, to select the symbol noploop or the address 0x4007a0:
+	perf script --symbols=noploop,0x4007a0
+
 --call-trace::
 	Show call stream for intel_pt traces. The CPUs are interleaved, but
 	can be filtered with -C.
-- 
2.26.0.rc2.310.g2932bb562d-goog