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| author | Markus Metzger <markus.t.metzger@intel.com> | 2009-01-19 10:31:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-20 13:03:48 +0100 |
| commit | b1818748b0cf9427e48acf9713295e829a0d715f (patch) | |
| tree | 49e8f8dc4328799fa69eae635f4b69ee97228445 /include/linux | |
| parent | 5c5317de147e9b38ea9c4cbdc2d15bed7648d036 (diff) | |
| download | linux-b1818748b0cf9427e48acf9713295e829a0d715f.tar.gz linux-b1818748b0cf9427e48acf9713295e829a0d715f.tar.bz2 linux-b1818748b0cf9427e48acf9713295e829a0d715f.zip | |
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')
| -rw-r--r-- | include/linux/ftrace.h | 13 |
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 */ |