diff options
| author | Krister Johansen <kjlx@templeofstupid.com> | 2017-07-05 18:48:08 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-18 23:14:09 -0300 |
| commit | 843ff37bb59edbe51d64e77ba1b3245a15a4dd9f (patch) | |
| tree | 7c1e50cb4b60af9776364ec65118c9a0db0cbcdf /tools/perf/util/map.c | |
| parent | 86bcdb5a43997bb02ba25a76482c7bfc652ba45b (diff) | |
perf symbols: Find symbols in different mount namespace
Teach perf how to resolve symbols from binaries that are in a different
mount namespace from the tool. This allows perf to generate meaningful
stack traces even if the binary resides in a different mount namespace
from the tool.
Signed-off-by: Krister Johansen <kjlx@templeofstupid.com>
Tested-by: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas-Mich Richter <tmricht@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1499305693-1599-2-git-send-email-kjlx@templeofstupid.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/map.c')
| -rw-r--r-- | tools/perf/util/map.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 2179b2deb730..5dc60ca5a294 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -16,6 +16,7 @@ #include "machine.h" #include <linux/string.h> #include "srcline.h" +#include "namespaces.h" #include "unwind.h" static void __maps__insert(struct maps *maps, struct map *map); @@ -200,6 +201,7 @@ struct map *map__new(struct machine *machine, u64 start, u64 len, if (type != MAP__FUNCTION) dso__set_loaded(dso, map->type); } + dso->nsinfo = nsinfo__get(thread->nsinfo); dso__put(dso); } return map; |