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author | Martin Vuille <jpmv27@aim.com> | 2018-02-12 00:24:20 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-31 10:13:46 +0300 |
commit | 9401f4e6e99c262b7b43f4561e4986abdc9ac3e4 (patch) | |
tree | fec5273c93715dd44d8173590066f3d1335661f8 /tools/perf | |
parent | 0b926c828ea7cbb82e4ee888ad3bc694ec930796 (diff) | |
download | linux-9401f4e6e99c262b7b43f4561e4986abdc9ac3e4.tar.xz |
perf unwind: Unwind with libdw doesn't take symfs into account
[ Upstream commit 3d20c6246690219881786de10d2dda93f616d0ac ]
Path passed to libdw for unwinding doesn't include symfs path
if specified, so unwinding fails because ELF file is not found.
Similar to unwinding with libunwind, pass symsrc_filename instead
of long_name. If there is no symsrc_filename, fallback to long_name.
Signed-off-by: Martin Vuille <jpmv27@aim.com>
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: http://lkml.kernel.org/r/20180211212420.18388-1-jpmv27@aim.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/util/unwind-libdw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index 1e9c974faf67..8e969f28cc59 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -50,7 +50,7 @@ static int __report_module(struct addr_location *al, u64 ip, if (!mod) mod = dwfl_report_elf(ui->dwfl, dso->short_name, - dso->long_name, -1, al->map->start, + (dso->symsrc_filename ? dso->symsrc_filename : dso->long_name), -1, al->map->start, false); return mod && dwfl_addrmodule(ui->dwfl, ip) == mod ? 0 : -1; |