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authorArnaldo Carvalho de Melo <acme@redhat.com>2015-07-22 18:52:17 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-07-23 17:28:35 +0300
commitb685ac22b436455db9c9c16b384d7aa4531cdd80 (patch)
tree8873e805f4c605c1d29c4595013bb294cd5de3c3 /tools/perf/util/dso.h
parent768dd3f3a6af25730ed1eec458e47a3c481bc3e5 (diff)
downloadlinux-b685ac22b436455db9c9c16b384d7aa4531cdd80.tar.xz
perf symbols: Add front end cache for DSO symbol lookup
Acked-by: David Ahern <dsahern@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> 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-voo94tow8wpkcc76mlkny6sc@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dso.h')
-rw-r--r--tools/perf/util/dso.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 2fe98bb0e95b..c73276db6d6f 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -137,6 +137,10 @@ struct dso {
struct rb_node rb_node; /* rbtree node sorted by long name */
struct rb_root symbols[MAP__NR_TYPES];
struct rb_root symbol_names[MAP__NR_TYPES];
+ struct {
+ u64 addr;
+ struct symbol *symbol;
+ } last_find_result[MAP__NR_TYPES];
void *a2l;
char *symsrc_filename;
unsigned int a2l_fails;