perf report: Ignore kptr_restrict when not sampling the kernel

If none of the evsels has attr.exclude_kernel set to zero, no kernel
samples, so no point in warning the user about problems in processing
kernel samples, as there will be none.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-7dn926v3at8txxkky92aesz2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1394cd8..af5dd03 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -441,6 +441,9 @@ static void report__warn_kptr_restrict(const struct report *rep)
        struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
        struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
 
+       if (perf_evlist__exclude_kernel(rep->session->evlist))
+               return;
+
        if (kernel_map == NULL ||
            (kernel_map->dso->hit &&
             (kernel_kmap->ref_reloc_sym == NULL ||