Merge branch 'perf/core' into perf/probes

Conflicts:
	tools/perf/Makefile

Merge reason:

 - fix the conflict
 - pick up the pr_*() infrastructure to queue up dependent patch

Signed-off-by: Ingo Molnar <mingo@elte.hu>

4 files changed, 34 insertions, 5 deletions

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 3451c55acb59..f7b47c336703 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -144,7 +144,7 @@ extern char			*trace_profile_buf_nmi;
 #define MAX_FILTER_STR_VAL      256     /* Should handle KSYM_SYMBOL_LEN */
 
 extern void destroy_preds(struct ftrace_event_call *call);
-extern int filter_match_preds(struct ftrace_event_call *call, void *rec);
+extern int filter_match_preds(struct event_filter *filter, void *rec);
 extern int filter_current_check_discard(struct ring_buffer *buffer,
                                         struct ftrace_event_call *call,
                                         void *rec,
@@ -187,4 +187,13 @@ do {									\
                 __trace_printk(ip, fmt, ##args);                        \
 } while (0)
 
+#ifdef CONFIG_EVENT_PROFILE
+struct perf_event;
+extern int ftrace_profile_enable(int event_id);
+extern void ftrace_profile_disable(int event_id);
+extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
+                                     char *filter_str);
+extern void ftrace_profile_free_filter(struct perf_event *event);
+#endif
+
 #endif /* _LINUX_FTRACE_EVENT_H */
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 7b7fbf433cff..91a2b4309e7a 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -225,6 +225,7 @@ struct perf_counter_attr {
 #define PERF_COUNTER_IOC_RESET          _IO ('$', 3)
 #define PERF_COUNTER_IOC_PERIOD         _IOW('$', 4, u64)
 #define PERF_COUNTER_IOC_SET_OUTPUT     _IO ('$', 5)
+#define PERF_COUNTER_IOC_SET_FILTER     _IOW('$', 6, char *)
 
 enum perf_counter_ioc_flags {
         PERF_IOC_FLAG_GROUP             = 1U << 0,
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 2e6d95f97419..df9d964c15fc 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -221,6 +221,7 @@ struct perf_event_attr {
 #define PERF_EVENT_IOC_RESET            _IO ('$', 3)
 #define PERF_EVENT_IOC_PERIOD           _IOW('$', 4, u64)
 #define PERF_EVENT_IOC_SET_OUTPUT       _IO ('$', 5)
+#define PERF_EVENT_IOC_SET_FILTER       _IOW('$', 6, char *)
 
 enum perf_event_ioc_flags {
         PERF_IOC_FLAG_GROUP             = 1U << 0,
@@ -633,7 +634,12 @@ struct perf_event {
 
         struct pid_namespace            *ns;
         u64                             id;
+
+#ifdef CONFIG_EVENT_PROFILE
+        struct event_filter             *filter;
 #endif
+
+#endif /* CONFIG_PERF_EVENTS */
 };
 
 /**
diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h
index 813be59bf345..2ea1dd1ba21c 100644
--- a/include/linux/smp_lock.h
+++ b/include/linux/smp_lock.h
@@ -24,8 +24,21 @@ static inline int reacquire_kernel_lock(struct task_struct *task)
         return 0;
 }
 
-extern void __lockfunc lock_kernel(void)        __acquires(kernel_lock);
-extern void __lockfunc unlock_kernel(void)      __releases(kernel_lock);
+extern void __lockfunc
+_lock_kernel(const char *func, const char *file, int line)
+__acquires(kernel_lock);
+
+extern void __lockfunc
+_unlock_kernel(const char *func, const char *file, int line)
+__releases(kernel_lock);
+
+#define lock_kernel() do {                                      \
+        _lock_kernel(__func__, __FILE__, __LINE__);             \
+} while (0)
+
+#define unlock_kernel() do {                                    \
+        _unlock_kernel(__func__, __FILE__, __LINE__);           \
+} while (0)
 
 /*
  * Various legacy drivers don't really need the BKL in a specific
@@ -41,8 +54,8 @@ static inline void cycle_kernel_lock(void)
 
 #else
 
-#define lock_kernel()                           do { } while(0)
-#define unlock_kernel()                         do { } while(0)
+#define lock_kernel()
+#define unlock_kernel()
 #define release_kernel_lock(task)               do { } while(0)
 #define cycle_kernel_lock()                     do { } while(0)
 #define reacquire_kernel_lock(task)             0