Messages in this thread Patch in this message | | | Date | Sat, 18 Nov 2017 00:34:29 -0800 | From | tip-bot for Arnaldo Carvalho de Melo <> | Subject | [tip:perf/core] perf report: Ignore kptr_restrict when not sampling the kernel |
| |
Commit-ID: 9c39ed90153d95d362004ed0d5e259ec46af3803 Gitweb: https://git.kernel.org/tip/9c39ed90153d95d362004ed0d5e259ec46af3803 Author: Arnaldo Carvalho de Melo <acme@redhat.com> AuthorDate: Tue, 14 Nov 2017 11:12:11 -0300 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Thu, 16 Nov 2017 14:50:01 -0300
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> --- tools/perf/builtin-report.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 1394cd8..af5dd03 100644 --- 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 ||
| |