[2/4] sh: Accessor functions for the sh_pmu state

Commit Message

Matt Fleming Aug. 26, 2010, 7:09 p.m. UTC

None

Patch

diff --git a/arch/sh/include/asm/perf_event.h b/arch/sh/include/asm/perf_event.h
index 3d0c9f3..5b7fa84 100644
--- a/arch/sh/include/asm/perf_event.h
+++ b/arch/sh/include/asm/perf_event.h
@@ -25,6 +25,8 @@  struct sh_pmu {
 extern int register_sh_pmu(struct sh_pmu *);
 extern int reserve_pmc_hardware(void);
 extern void release_pmc_hardware(void);
+extern int sh_pmu_num_events(void);
+extern const char *sh_pmu_name(void);
 
 static inline void set_perf_event_pending(void)
 {
diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c
index 7a3dc35..086f788 100644
--- a/arch/sh/kernel/perf_event.c
+++ b/arch/sh/kernel/perf_event.c
@@ -60,6 +60,19 @@  static inline int sh_pmu_initialized(void)
 }
 
 /*
+ * Return the number of events for the current sh_pmu.
+ */
+int sh_pmu_num_events(void)
+{
+	return sh_pmu->num_events;
+}
+
+const char *sh_pmu_name(void)
+{
+	return sh_pmu->name;
+}
+
+/*
  * Release the PMU if this is the last perf_event.
  */
 static void hw_perf_event_destroy(struct perf_event *event)