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authorMarkus Metzger <markus.t.metzger@intel.com>2009-01-19 12:31:01 +0300
committerIngo Molnar <mingo@elte.hu>2009-01-20 15:03:48 +0300
commitb1818748b0cf9427e48acf9713295e829a0d715f (patch)
tree49e8f8dc4328799fa69eae635f4b69ee97228445 /include/linux/ftrace.h
parent5c5317de147e9b38ea9c4cbdc2d15bed7648d036 (diff)
downloadlinux-b1818748b0cf9427e48acf9713295e829a0d715f.tar.xz
x86, ftrace, hw-branch-tracer: dump trace on oops
Dump the branch trace on an oops (based on ftrace_dump_on_oops). Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/ftrace.h')
-rw-r--r--include/linux/ftrace.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 054721487574..9f7880d87c39 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -496,4 +496,17 @@ static inline int test_tsk_trace_graph(struct task_struct *tsk)
#endif /* CONFIG_TRACING */
+
+#ifdef CONFIG_HW_BRANCH_TRACER
+
+void trace_hw_branch(u64 from, u64 to);
+void trace_hw_branch_oops(void);
+
+#else /* CONFIG_HW_BRANCH_TRACER */
+
+static inline void trace_hw_branch(u64 from, u64 to) {}
+static inline void trace_hw_branch_oops(void) {}
+
+#endif /* CONFIG_HW_BRANCH_TRACER */
+
#endif /* _LINUX_FTRACE_H */