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| 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/dso.h | |
| parent | 86bcdb5a43997bb02ba25a76482c7bfc652ba45b (diff) | |
| download | lwn-843ff37bb59edbe51d64e77ba1b3245a15a4dd9f.tar.gz lwn-843ff37bb59edbe51d64e77ba1b3245a15a4dd9f.zip | |
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/dso.h')
| -rw-r--r-- | tools/perf/util/dso.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index bd061ba7b47c..78ec637fc68b 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -10,6 +10,7 @@ #include <linux/types.h> #include <linux/bitops.h> #include "map.h" +#include "namespaces.h" #include "build-id.h" enum dso_binary_type { @@ -187,6 +188,7 @@ struct dso { void *priv; u64 db_id; }; + struct nsinfo *nsinfo; refcount_t refcnt; char name[0]; }; |