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@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1479764011-10732-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 7 insertions, 1 deletions

diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index 21810d711f5f..5eda9336267e 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 15addb06d611..d873977b8fb6 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)