Commit-ID:  5173fbb8a11b2857aeec9e5f4e9568d4e1b84dbd
Gitweb:     http://git.kernel.org/tip/5173fbb8a11b2857aeec9e5f4e9568d4e1b84dbd
Author:     Adrian Hunter <adrian.hun...@intel.com>
AuthorDate: Mon, 14 Jul 2014 13:02:38 +0300
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Wed, 16 Jul 2014 17:57:35 -0300

perf buildid-cache: Apply force option to copying kcore

Currently a copy of kcore is not made if there is one already with the
same modules at the same addresses.

Change this to make a copy anyway if the force (-f) option is also used.

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Namhyung Kim <namhy...@gmail.com>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Stephane Eranian <eran...@google.com>
Link: 
http://lkml.kernel.org/r/1405332185-4050-15-git-send-email-adrian.hun...@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-buildid-cache.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-buildid-cache.c 
b/tools/perf/builtin-buildid-cache.c
index b22dbb1..2a2c78f 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -125,7 +125,8 @@ static int build_id_cache__kcore_existing(const char 
*from_dir, char *to_dir,
        return ret;
 }
 
-static int build_id_cache__add_kcore(const char *filename, const char 
*debugdir)
+static int build_id_cache__add_kcore(const char *filename, const char 
*debugdir,
+                                    bool force)
 {
        char dir[32], sbuildid[BUILD_ID_SIZE * 2 + 1];
        char from_dir[PATH_MAX], to_dir[PATH_MAX];
@@ -144,7 +145,8 @@ static int build_id_cache__add_kcore(const char *filename, 
const char *debugdir)
        scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s",
                  debugdir, sbuildid);
 
-       if (!build_id_cache__kcore_existing(from_dir, to_dir, sizeof(to_dir))) {
+       if (!force &&
+           !build_id_cache__kcore_existing(from_dir, to_dir, sizeof(to_dir))) {
                pr_debug("same kcore found in %s\n", to_dir);
                return 0;
        }
@@ -389,7 +391,7 @@ int cmd_buildid_cache(int argc, const char **argv,
        }
 
        if (kcore_filename &&
-           build_id_cache__add_kcore(kcore_filename, debugdir))
+           build_id_cache__add_kcore(kcore_filename, debugdir, force))
                pr_warning("Couldn't add %s\n", kcore_filename);
 
        return ret;
--
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