as-iosched: properly protect ioc_gone and ioc count

[linux-2.6-omap-h63xx.git] / include / linux / profile.h

diff --git a/include/linux/profile.h b/include/linux/profile.h
index acce53fd38b6484416ddc855996c0974bada2e81..05c1cc736937fcc48d5df8781a6ad1b391f73807 100644 (file)
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -1,15 +1,19 @@
 #ifndef _LINUX_PROFILE_H
 #define _LINUX_PROFILE_H
 
-#ifdef __KERNEL__
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/cpumask.h>
+#include <linux/cache.h>
+
 #include <asm/errno.h>
 
+extern int prof_on __read_mostly;
+
 #define CPU_PROFILING  1
 #define SCHED_PROFILING        2
+#define SLEEP_PROFILING        3
+#define KVM_PROFILING  4
 
 struct proc_dir_entry;
 struct pt_regs;
@@ -18,7 +22,24 @@ struct notifier_block;
 /* init basic kernel profiler */
 void __init profile_init(void);
 void profile_tick(int);
-void profile_hit(int, void *);
+
+/*
+ * Add multiple profiler hits to a given address:
+ */
+void profile_hits(int, void *ip, unsigned int nr_hits);
+
+/*
+ * Single profiler hit:
+ */
+static inline void profile_hit(int type, void *ip)
+{
+       /*
+        * Speedup for the common (no profiling enabled) case:
+        */
+       if (unlikely(prof_on == type))
+               profile_hits(type, ip, 1);
+}
+
 #ifdef CONFIG_PROC_FS
 void create_prof_cpu_mask(struct proc_dir_entry *);
 #else
@@ -55,9 +76,6 @@ int profile_event_unregister(enum profile_type, struct notifier_block * n);
 int register_timer_hook(int (*hook)(struct pt_regs *));
 void unregister_timer_hook(int (*hook)(struct pt_regs *));
 
-/* Timer based profiling hook */
-extern int (*timer_hook)(struct pt_regs *);
-
 struct pt_regs;
 
 #else
@@ -98,6 +116,4 @@ static inline void unregister_timer_hook(int (*hook)(struct pt_regs *))
 
 #endif /* CONFIG_PROFILING */
 
-#endif /* __KERNEL__ */
-
 #endif /* _LINUX_PROFILE_H */