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Code Issues Releases Wiki Activity

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@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>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-10-05 17:05:35 -03:00
parent 035827e9f2
commit def02db0d6
3 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/Documentation/perf-report.txt
View File

@ -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

4
tools/perf/builtin-report.c
View File

@ -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,

4
tools/perf/util/util.c
View File

@ -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
};