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Subject[PATCH 13/16] perf callchain: Switch default to 'graph,0.5,caller'
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

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

Requested-by: Ingo Molnar <mingo@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.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@redhat.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 ce499035e6d8..e4fdeeb51123 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 b5623639f67d..3b23b25d1589 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 ce465b259e52..c1bf9ff210b0 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
};

--
2.1.0


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