linux-kernel - [tip:perf/core] perf callchain: Switch default to 'graph,0.5, caller'

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Date:	Tue, 6 Oct 2015 00:17:06 -0700
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	adrian.hunter@...el.com, fweisbec@...il.com, wangnan0@...wei.com,
	jolsa@...hat.com, tglx@...utronix.de, eranian@...gle.com,
	mingo@...nel.org, bp@...e.de, acme@...hat.com, dsahern@...il.com,
	namhyung@...nel.org, hpa@...or.com, chandlerc@...il.com,
	linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf callchain: Switch default to 'graph,0.5,
 caller'

Commit-ID:  def02db0d662b0edd83f80e3c18f660fc414decb
Gitweb:     http://git.kernel.org/tip/def02db0d662b0edd83f80e3c18f660fc414decb
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Mon, 5 Oct 2015 17:05:35 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 5 Oct 2015 17:59:43 -0300

perf callchain: Switch default to 'graph,0.5,caller'

Which is the most common default found in other similar tools.

Requested-by: Ingo Molnar <mingo@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: Chandler Carruth <chandlerc@...il.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Wang Nan <wangnan0@...wei.com>
Link: https://www.youtube.com/watch?v=nXaxk27zwlk
Link: http://lkml.kernel.org/n/tip-v8lq36aispvdwgxdmt9p9jd9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Documentation/perf-report.txt | 2 +-
 tools/perf/builtin-report.c              | 4 ++--
 tools/perf/util/util.c                   | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index ce49903..e4fdeeb 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -192,7 +192,7 @@ OPTIONS
 	when available. Usually more convenient to use --branch-history
 	for this.
 
-	Default: fractal,0.5,callee,function.
+	Default: graph,0.5,caller
 
 --children::
 	Accumulate callchain of children to parent entry so that then can
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index b562363..3b23b25 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -633,7 +633,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 	bool has_br_stack = false;
 	int branch_mode = -1;
 	bool branch_call_mode = false;
-	char callchain_default_opt[] = "fractal,0.5,callee";
+	char callchain_default_opt[] = "graph,0.5,caller";
 	const char * const report_usage[] = {
 		"perf report [<options>]",
 		NULL
@@ -701,7 +701,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 		    "Only display entries with parent-match"),
 	OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]",
 		     "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
-		     "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt),
+		     "Default: graph,0.5,caller", &report_parse_callchain_opt, callchain_default_opt),
 	OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
 		    "Accumulate callchains of children and show total overhead as well"),
 	OPT_INTEGER(0, "max-stack", &report.max_stack,
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index ce465b2..c1bf9ff 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -17,9 +17,9 @@
 #include "callchain.h"
 
 struct callchain_param	callchain_param = {
-	.mode	= CHAIN_GRAPH_REL,
+	.mode	= CHAIN_GRAPH_ABS,
 	.min_percent = 0.5,
-	.order  = ORDER_CALLEE,
+	.order  = ORDER_CALLER,
 	.key	= CCKEY_FUNCTION
 };
 
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