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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-04-26 09:34:37 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-04-26 13:47:17 -0300 |
| commit | 404eb5a436c4cbdc3b76896a28a3b72b7ad9294e (patch) | |
| tree | 58fda90bb9a25d8318c1ed51b2521ee4f0366583 /tools/perf/util/unwind-libunwind-local.c | |
| parent | 117d3c2474a24ab842af00972598c25abffee1e6 (diff) | |
| download | lwn-404eb5a436c4cbdc3b76896a28a3b72b7ad9294e.tar.gz lwn-404eb5a436c4cbdc3b76896a28a3b72b7ad9294e.zip | |
perf thread: Make thread__find_map() search all maps
We still have the split internally, but users don't see it anymore,
simplifying the growing number of cases where we end up searching
in the MAP__VARIABLE maps.
This further paves the way for ditching the split.
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-86mfxrztf310konutxvhr5ua@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/unwind-libunwind-local.c')
| -rw-r--r-- | tools/perf/util/unwind-libunwind-local.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 2afb22b0a1a9..6a11bc7e6b27 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -366,17 +366,7 @@ static int read_unwind_spec_debug_frame(struct dso *dso, static struct map *find_map(unw_word_t ip, struct unwind_info *ui) { struct addr_location al; - - if (!thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al)) { - /* - * We've seen cases (softice) where DWARF unwinder went - * through non executable mmaps, which we need to lookup - * in MAP__VARIABLE tree. - */ - __thread__find_map(ui->thread, PERF_RECORD_MISC_USER, - MAP__VARIABLE, ip, &al); - } - return al.map; + return thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al); } static int |