linux-kernel - [PATCH v2 14/14] perf util: enable handling of inlined frames by default

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Date:   Sun,  6 Aug 2017 23:24:46 +0200
From:   Milian Wolff <milian.wolff@...b.com>
To:     acme@...nel.org, Jin Yao <yao.jin@...ux.intel.com>,
        Linux-kernel@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>
Cc:     linux-perf-users@...r.kernel.org,
        Milian Wolff <milian.wolff@...b.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        David Ahern <dsahern@...il.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>
Subject: [PATCH v2 14/14] perf util: enable handling of inlined frames by default

Now that we have caches in place to speed up the process of finding
inlined frames and srcline information repeatedly, we can enable
this useful option by default.

Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Yao Jin <yao.jin@...ux.intel.com>
Cc: Ingo Molnar <mingo@...nel.org>
Suggested-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Milian Wolff <milian.wolff@...b.com>
---
 tools/perf/Documentation/perf-report.txt | 3 ++-
 tools/perf/Documentation/perf-script.txt | 3 ++-
 tools/perf/util/symbol.c                 | 1 +
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 9fa84617181e..8d5834a837d8 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -433,7 +433,8 @@ include::itrace.txt[]
 
 --inline::
 	If a callgraph address belongs to an inlined function, the inline stack
-	will be printed. Each entry is function name or file/line.
+	will be printed. Each entry is function name or file/line. Enabled by
+	default, disable with --no-inline.
 
 include::callchain-overhead-calculation.txt[]
 
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 5ee8796be96e..683242ad15a2 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -327,7 +327,8 @@ include::itrace.txt[]
 
 --inline::
 	If a callgraph address belongs to an inlined function, the inline stack
-	will be printed. Each entry has function name and file/line.
+	will be printed. Each entry has function name and file/line. Enabled by
+	default, disable with --no-inline.
 
 SEE ALSO
 --------
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 971b990557b4..7b8d9981588e 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -45,6 +45,7 @@ struct symbol_conf symbol_conf = {
 	.show_hist_headers	= true,
 	.symfs			= "",
 	.event_group		= true,
+	.inline_name		= true,
 };
 
 static enum dso_binary_type binary_type_symtab[] = {
-- 
2.13.3