[PATCH 01/39] perf top: Filter symbols based on __map__is_kernel(map)

From: Arnaldo Carvalho de Melo
Date: Mon Sep 28 2015 - 17:19:01 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

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 bdaf44f24d5d..38d4d6cac823 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
--
2.1.0

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