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>

1 files changed, 7 insertions, 1 deletions

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 1adb143867e3..be84f7a9838b 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)