diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-04-23 21:40:02 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-04-26 14:30:27 +0200 |
| commit | 68766bfa56476ee07217fc7f24a1d93f43125036 (patch) | |
| tree | 1c8b2d7cc83779da16b51c3be2b595d932094578 /tools/perf/builtin-top.c | |
| parent | perf stat: Display length strings of each run for --table option (diff) | |
| download | linux-68766bfa56476ee07217fc7f24a1d93f43125036.tar.xz linux-68766bfa56476ee07217fc7f24a1d93f43125036.zip | |
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>
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 4 |
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]; |