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authorAdrian Hunter <adrian.hunter@intel.com>2018-05-22 13:54:35 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-05-22 10:59:22 -0300
commit5759a6820aadd38b2c8c10e93919eae8e31a9f9a (patch)
tree2d010382a05e1489d503374211340a097b65ec0e /tools/perf/util/map.c
parent4d004365e25251002935fc3843d80934248ad3ed (diff)
perf machine: Allow for extra kernel maps
Identify extra kernel maps by name so that they can be distinguished from the kernel map and module maps. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86@kernel.org Link: http://lkml.kernel.org/r/1526986485-6562-8-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/map.c')
-rw-r--r--tools/perf/util/map.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index c8fe836e4c3c..6ae97eda370b 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -252,6 +252,13 @@ bool __map__is_kernel(const struct map *map)
return machine__kernel_map(map->groups->machine) == map;
}
+bool __map__is_extra_kernel_map(const struct map *map)
+{
+ struct kmap *kmap = __map__kmap((struct map *)map);
+
+ return kmap && kmap->name[0];
+}
+
bool map__has_symbols(const struct map *map)
{
return dso__has_symbols(map->dso);
@@ -846,15 +853,22 @@ struct map *map__next(struct map *map)
return NULL;
}
-struct kmap *map__kmap(struct map *map)
+struct kmap *__map__kmap(struct map *map)
{
- if (!map->dso || !map->dso->kernel) {
- pr_err("Internal error: map__kmap with a non-kernel map\n");
+ if (!map->dso || !map->dso->kernel)
return NULL;
- }
return (struct kmap *)(map + 1);
}
+struct kmap *map__kmap(struct map *map)
+{
+ struct kmap *kmap = __map__kmap(map);
+
+ if (!kmap)
+ pr_err("Internal error: map__kmap with a non-kernel map\n");
+ return kmap;
+}
+
struct map_groups *map__kmaps(struct map *map)
{
struct kmap *kmap = map__kmap(map);