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authorKrister Johansen <kjlx@templeofstupid.com>2017-07-06 04:48:08 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-07-19 05:14:09 +0300
commit843ff37bb59edbe51d64e77ba1b3245a15a4dd9f (patch)
tree7c1e50cb4b60af9776364ec65118c9a0db0cbcdf /tools/perf/util/dso.h
parent86bcdb5a43997bb02ba25a76482c7bfc652ba45b (diff)
downloadlinux-843ff37bb59edbe51d64e77ba1b3245a15a4dd9f.tar.xz
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.h2
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];
};