Commit-ID:  00c7e1f10c6b8ae8a031f5c6a58ecd15d20c52cb
Gitweb:     http://git.kernel.org/tip/00c7e1f10c6b8ae8a031f5c6a58ecd15d20c52cb
Author:     Namhyung Kim <namhyung....@lge.com>
AuthorDate: Tue, 22 Jan 2013 18:09:46 +0900
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Thu, 31 Jan 2013 13:07:49 -0300

perf report: Add report.group config option

Add report.group config option for setting default value of event
group view.  It affects the report output only if perf.data contains
event group info.

A user can write .perfconfig file like below to enable group view by
default:

  $ cat ~/.perfconfig
  [report]
  group = true

And it can be disabled through command line:

  $ perf report --no-group

Signed-off-by: Namhyung Kim <namhy...@kernel.org>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Stephane Eranian <eran...@google.com>
Link: 
http://lkml.kernel.org/r/1358845787-1350-19-git-send-email-namhy...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-report.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 9ef3842..0d22187 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -8,6 +8,7 @@
 #include "builtin.h"
 
 #include "util/util.h"
+#include "util/cache.h"
 
 #include "util/annotate.h"
 #include "util/color.h"
@@ -54,6 +55,16 @@ struct perf_report {
        DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
 };
 
+static int perf_report_config(const char *var, const char *value, void *cb)
+{
+       if (!strcmp(var, "report.group")) {
+               symbol_conf.event_group = perf_config_bool(var, value);
+               return 0;
+       }
+
+       return perf_default_config(var, value, cb);
+}
+
 static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
                                        struct addr_location *al,
                                        struct perf_sample *sample,
@@ -677,6 +688,8 @@ int cmd_report(int argc, const char **argv, const char 
*prefix __maybe_unused)
        OPT_END()
        };
 
+       perf_config(perf_report_config, NULL);
+
        argc = parse_options(argc, argv, options, report_usage, 0);
 
        if (report.use_stdio)
--
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