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perf thread: Make thread__find_map() search all maps

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2018-04-26 09:34:37 -03:00
parent 117d3c2474
commit 404eb5a436
5 changed files with 16 additions and 39 deletions
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12
tools/perf/util/unwind-libunwind-local.c
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@@ -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