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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2015-12-09 05:11:33 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-12-09 19:42:00 +0300
commitcc1121ab9687d660cc02f50b1a4974112f87a8e6 (patch)
tree05c4bf982d132ad6834f2b31ca0a2dc334cc3f12 /tools/perf/util/machine.c
parentd91130e90a005876b488b6d52b743149d95b4a59 (diff)
downloadlinux-cc1121ab9687d660cc02f50b1a4974112f87a8e6.tar.xz
perf machine: Fix machine.vmlinux_maps to make sure to clear the old one
Fix machine.vmlinux_maps to make sure to clear the old one if it is renewal. This can leak the previous maps on the vmlinux_maps because those are just overwritten. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20151209021133.10245.93730.stgit@localhost.localdomain [ Simplified the memset, same end result ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/machine.c')
-rw-r--r--tools/perf/util/machine.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index bfc289c73c22..f5882b8c8db9 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -44,6 +44,8 @@ int machine__init(struct machine *machine, const char *root_dir, pid_t pid)
machine->comm_exec = false;
machine->kernel_start = 0;
+ memset(machine->vmlinux_maps, 0, sizeof(machine->vmlinux_maps));
+
machine->root_dir = strdup(root_dir);
if (machine->root_dir == NULL)
return -ENOMEM;
@@ -770,6 +772,9 @@ int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel)
enum map_type type;
u64 start = machine__get_running_kernel_start(machine, NULL);
+ /* In case of renewal the kernel map, destroy previous one */
+ machine__destroy_kernel_maps(machine);
+
for (type = 0; type < MAP__NR_TYPES; ++type) {
struct kmap *kmap;
struct map *map;