[tip:perf/core] perf c2c report: Add -f/--force option

[tip-bot for Jiri Olsa]

Commit-ID:  b7ac4f9f3b2532b4e3dcd3d402c405c46a8ec811
Gitweb:     http://git.kernel.org/tip/b7ac4f9f3b2532b4e3dcd3d402c405c46a8ec811
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Mon, 21 Nov 2016 22:33:28 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 23 Nov 2016 10:44:04 -0300

perf c2c report: Add -f/--force option

Adding -f/--force option to go through ownership validation:

  $ sudo perf c2c report
  File perf.data not owned by current user or root (use -f to override)
  $
  $ sudo perf c2c report -f
  < c2c report output >
  $

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Tested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Joe Mario <jmario@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1479764011-10732-4-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/Documentation/perf-c2c.txt | 4 ++++
 tools/perf/builtin-c2c.c              | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index 21810d7..5eda933 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -100,6 +100,10 @@ REPORT OPTIONS
 --show-all::
 	Show all captured HITM lines, with no regard to HITM % 0.0005 limit.
 
+-f::
+--force::
+	Don't do ownership validation.
+
 C2C RECORD
 ----------
 The perf c2c record command setup options related to HITM cacheline analysis
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 15addb0..d873977 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -2523,6 +2523,7 @@ static int perf_c2c__report(int argc, const char **argv)
 	OPT_STRING('d', "display", &display, NULL, "lcl,rmt"),
 	OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
 		   "coalesce fields: pid,tid,iaddr,dso"),
+	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
 	OPT_END()
 	};
 	int err = 0;
@@ -2538,7 +2539,8 @@ static int perf_c2c__report(int argc, const char **argv)
 	if (!input_name || !strlen(input_name))
 		input_name = "perf.data";
 
-	file.path = input_name;
+	file.path  = input_name;
+	file.force = symbol_conf.force;
 
 	err = setup_display(display);
 	if (err)