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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-04-23 16:40:02 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-04-26 09:30:27 -0300
commit68766bfa56476ee07217fc7f24a1d93f43125036 (patch)
tree1c8b2d7cc83779da16b51c3be2b595d932094578
parentabc60bad0030193ffb55e438664bc09ac53939cf (diff)
perf top: Use __map__is_kernel()
Shorter form to figure out if a given map is the kernel one and also reduces the number of code accessing MAP__{FUNCTION,VARIABLE}, that should go away at some point. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-rn8pexelsxpx92ce3elu3wiw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/builtin-top.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index f39bd60d2708..4e975f3ee3be 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -750,7 +750,7 @@ static void perf_event__process_sample(struct perf_tool *tool,
machine->kptr_restrict_warned = true;
}
- if (al.sym == NULL) {
+ if (al.sym == NULL && al.map != NULL) {
const char *msg = "Kernel samples will not be resolved.\n";
/*
* As we do lazy loading of symtabs we only will know if the
@@ -764,7 +764,7 @@ static void perf_event__process_sample(struct perf_tool *tool,
* invalid --vmlinux ;-)
*/
if (!machine->kptr_restrict_warned && !top->vmlinux_warned &&
- al.map == machine->vmlinux_maps[MAP__FUNCTION] &&
+ __map__is_kernel(al.map) &&
RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) {
if (symbol_conf.vmlinux_name) {
char serr[256];