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authorJason Baron <jbaron@redhat.com>2009-08-10 16:53:02 -0400
committerFrederic Weisbecker <fweisbec@gmail.com>2009-08-11 20:35:29 +0200
commitf4b5ffccc83c82947f5d9f15d6f1b6edb1b71cd7 (patch)
tree06ec4a005b40ba0b6039e6c3425dd186486b8c6f /include/trace
parent64c12e0444fcc6b75eb49144ba46d43dbdc6bc8f (diff)
tracing: Add perf counter support for syscalls tracing
The perf counter support is automated for usual trace events. But we have to define specific callbacks for this to handle syscalls trace events Make 'perf stat -e syscalls:sys_enter_blah' work with syscall style tracepoints. Signed-off-by: Jason Baron <jbaron@redhat.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Jiaying Zhang <jiayingz@google.com> Cc: Martin Bligh <mbligh@google.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/syscall.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index df628404241a..3ab6dd18fa3a 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -58,5 +58,12 @@ extern void unreg_event_syscall_exit(void *ptr);
enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags);
enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
#endif
+#ifdef CONFIG_EVENT_PROFILE
+int reg_prof_syscall_enter(char *name);
+void unreg_prof_syscall_enter(char *name);
+int reg_prof_syscall_exit(char *name);
+void unreg_prof_syscall_exit(char *name);
+
+#endif
#endif /* _TRACE_SYSCALL_H */