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perf buildid-cache: Apply force option to copying kcore

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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.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1405332185-4050-15-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2014-07-14 13:02:38 +03:00 committed by Arnaldo Carvalho de Melo
parent 4d40b051b1
commit 5173fbb8a1
1 changed files with 5 additions and 3 deletions
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8
tools/perf/builtin-buildid-cache.c
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@ -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;