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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-15 23:29:51 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-16 10:34:38 -0300 |
| commit | 5c24b67aae72f54c5d2a6898be4bae9726df63bb (patch) | |
| tree | 14cf53530c0b85b7e1cb5599c62be9a059ab978b /tools/perf/util/map.h | |
| parent | perf probe: Cut off the gcc optimization postfixes from function name (diff) | |
| download | linux-dev-5c24b67aae72f54c5d2a6898be4bae9726df63bb.tar.xz linux-dev-5c24b67aae72f54c5d2a6898be4bae9726df63bb.zip | |
perf tools: Replace map->referenced & maps->removed_maps with map->refcnt
Use just reference counts, so that when no more hist_entry instances
references a map and the thread instance goes away by processing a
PERF_RECORD_EXIT, we can delete the maps.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-oym7lfhcc7ss6xpz44h7nbxs@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/map.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index b8df09d94aca..d73e687b224e 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -34,7 +34,6 @@ struct map { u64 start; u64 end; u8 /* enum map_type */ type; - bool referenced; bool erange_warned; u32 priv; u32 prot; @@ -63,7 +62,6 @@ struct kmap { struct maps { struct rb_root entries; pthread_rwlock_t lock; - struct list_head removed_maps; }; struct map_groups { @@ -161,6 +159,14 @@ static inline struct map *map__get(struct map *map) void map__put(struct map *map); +static inline void __map__zput(struct map **map) +{ + map__put(*map); + *map = NULL; +} + +#define map__zput(map) __map__zput(&map) + int map__overlap(struct map *l, struct map *r); size_t map__fprintf(struct map *map, FILE *fp); size_t map__fprintf_dsoname(struct map *map, FILE *fp); |