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authorIngo Molnar <mingo@kernel.org>2016-02-04 08:57:44 +0100
committerIngo Molnar <mingo@kernel.org>2016-02-04 08:57:44 +0100
commitb83ea91f08f648460b08e8980560abdf96060a19 (patch)
tree1a6db205770ed7103afe0aa1234dec0b1227f380 /tools/perf/util/intel-pt.c
parentMerge tag 'perf-core-for-mingo-3' of git://git.kernel.org/pub/scm/linux/kerne... (diff)
parentMerge tag 'perf-urgent-for-mingo-2' of git://git.kernel.org/pub/scm/linux/ker... (diff)
downloadlinux-b83ea91f08f648460b08e8980560abdf96060a19.tar.gz
linux-b83ea91f08f648460b08e8980560abdf96060a19.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/intel-pt.c')
-rw-r--r--tools/perf/util/intel-pt.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 81a2eb77ba7f..05d815851be1 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2068,6 +2068,15 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
err = -ENOMEM;
goto err_free_queues;
}
+
+ /*
+ * Since this thread will not be kept in any rbtree not in a
+ * list, initialize its list node so that at thread__put() the
+ * current thread lifetime assuption is kept and we don't segfault
+ * at list_del_init().
+ */
+ INIT_LIST_HEAD(&pt->unknown_thread->node);
+
err = thread__set_comm(pt->unknown_thread, "unknown", 0);
if (err)
goto err_delete_thread;