[tip:perf/core] perf top: Filter symbols based on __map__is_kernel(map)

From: tip-bot for Arnaldo Carvalho de Melo
Date: Tue Sep 29 2015 - 04:38:20 EST

Commit-ID: cfc5acd4c80b875d2f739d6a93562034aee5563f
Gitweb: http://git.kernel.org/tip/cfc5acd4c80b875d2f739d6a93562034aee5563f
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Wed, 23 Sep 2015 15:15:54 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 28 Sep 2015 15:50:53 -0300

perf top: Filter symbols based on __map__is_kernel(map)

Instead of using dso->kernel, this is equivalent at the moment,
and helps in reducing the accesses to dso->kernel.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-1pc2v63iphtifovw3bv0bo1v@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
tools/perf/builtin-top.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index bdaf44f..38d4d6c 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -655,7 +655,7 @@ static int symbol_filter(struct map *map, struct symbol *sym)
const char *name = sym->name;

- if (!map->dso->kernel)
+ if (!__map__is_kernel(map))
return 0;
* ppc64 uses function descriptors and appends a '.' to the
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