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perf report: Allow configuring the default sort order in ~/.perfconfig 

Allows changing the default sort order from "comm,dso,symbol" to some
other default, for instance "sym,dso" may be more fitting for kernel
developers.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-pm1h5puxua8nsxksd68fjm8r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Arnaldo Carvalho de Melo 2016-08-12 20:41:01 -03:00
parent 39ff526350
commit fa1f456592
4 changed files with 10 additions and 2 deletions
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4
tools/perf/Documentation/perf-config.txt
View File

@ -382,6 +382,10 @@ call-graph.*::
histogram entry. Default is 0 which means no limitation.
report.*::
report.sort_order::
Allows changing the default sort order from "comm,dso,symbol" to
some other default, for instance "sym,dso" may be more fitting for
kernel developers.
report.percent-limit::
This one is mostly the same as call-graph.threshold but works for
histogram entries. Entries having an overhead lower than this

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

@ -89,6 +89,10 @@ static int report__config(const char *var, const char *value, void *cb)
rep->queue_size = perf_config_u64(var, value);
return 0;
}
if (!strcmp(var, "report.sort_order")) {
default_sort_order = strdup(value);
return 0;
}
return 0;
}

2
tools/perf/util/sort.c
View File

@ -11,7 +11,7 @@
regex_t parent_regex;
const char default_parent_pattern[] = "^sys_|^do_page_fault";
const char *parent_pattern = default_parent_pattern;
const char default_sort_order[] = "comm,dso,symbol";
const char *default_sort_order = "comm,dso,symbol";
const char default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
const char default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
const char default_top_sort_order[] = "dso,symbol";

2
tools/perf/util/sort.h
View File

@ -28,7 +28,7 @@ extern const char *sort_order;
extern const char *field_order;
extern const char default_parent_pattern[];
extern const char *parent_pattern;
extern const char default_sort_order[];
extern const char *default_sort_order;
extern regex_t ignore_callees_regex;
extern int have_ignore_callees;
extern enum sort_mode sort__mode;