[tip:perf/core] perf symbols: Add path to Ubuntu kernel debuginfo file

[tip-bot for Anton Blanchard <tipbot@zytor.com>]

Commit-ID:  c657f423aed0d836c807ea1d6d8d28b3914446fa
Gitweb:     http://git.kernel.org/tip/c657f423aed0d836c807ea1d6d8d28b3914446fa
Author:     Anton Blanchard <anton@samba.org>
AuthorDate: Mon, 15 Sep 2014 16:57:56 -0300
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 17 Sep 2014 17:08:10 -0300

perf symbols: Add path to Ubuntu kernel debuginfo file

Ubuntu places the kernel debuginfo in /usr/lib/debug/boot/vmlinux-*

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
echo Link: http://lkml.kernel.org/n/tip-`ranpwd -l 24`@git.kernel.org
Link: http://lkml.kernel.org/r/20140909091152.2698c0f7@kryten
[ Adapted it to use the perf.data file kernel version as in 0a7e6d1b6844 ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/symbol.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 1adb143..be84f7a 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1757,7 +1757,7 @@ static int vmlinux_path__init(struct perf_session_env *env)
 	char bf[PATH_MAX];
 	char *kernel_version;
 
-	vmlinux_path = malloc(sizeof(char *) * 5);
+	vmlinux_path = malloc(sizeof(char *) * 6);
 	if (vmlinux_path == NULL)
 		return -1;
 
@@ -1788,6 +1788,12 @@ static int vmlinux_path__init(struct perf_session_env *env)
 	if (vmlinux_path[vmlinux_path__nr_entries] == NULL)
 		goto out_fail;
 	++vmlinux_path__nr_entries;
+	snprintf(bf, sizeof(bf), "/usr/lib/debug/boot/vmlinux-%s",
+		 kernel_version);
+	vmlinux_path[vmlinux_path__nr_entries] = strdup(bf);
+	if (vmlinux_path[vmlinux_path__nr_entries] == NULL)
+		goto out_fail;
+        ++vmlinux_path__nr_entries;
 	snprintf(bf, sizeof(bf), "/lib/modules/%s/build/vmlinux", kernel_version);
 	vmlinux_path[vmlinux_path__nr_entries] = strdup(bf);
 	if (vmlinux_path[vmlinux_path__nr_entries] == NULL)