Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-6

Conflicts:
	include/trace/ftrace.h
	kernel/trace/trace_kprobe.c

Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

2 files changed, 24 insertions, 44 deletions

diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
index 5c1dcfc16c60..2821b86de63b 100644
--- a/include/trace/events/lock.h
+++ b/include/trace/events/lock.h
@@ -35,15 +35,15 @@ TRACE_EVENT(lock_acquire,
                   __get_str(name))
 );
 
-TRACE_EVENT(lock_release,
+DECLARE_EVENT_CLASS(lock,
 
-        TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-        TP_ARGS(lock, nested, ip),
+        TP_ARGS(lock, ip),
 
         TP_STRUCT__entry(
-                __string(name, lock->name)
-                __field(void *, lockdep_addr)
+                __string(       name,   lock->name      )
+                __field(        void *, lockdep_addr    )
         ),
 
         TP_fast_assign(
@@ -51,51 +51,30 @@ TRACE_EVENT(lock_release,
                 __entry->lockdep_addr = lock;
         ),
 
-        TP_printk("%p %s",
-                  __entry->lockdep_addr, __get_str(name))
+        TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
 );
 
-#ifdef CONFIG_LOCK_STAT
-
-TRACE_EVENT(lock_contended,
+DEFINE_EVENT(lock, lock_release,
 
         TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-        TP_ARGS(lock, ip),
+        TP_ARGS(lock, ip)
+);
 
-        TP_STRUCT__entry(
-                __string(name, lock->name)
-                __field(void *, lockdep_addr)
-        ),
+#ifdef CONFIG_LOCK_STAT
 
-        TP_fast_assign(
-                __assign_str(name, lock->name);
-                __entry->lockdep_addr = lock;
-        ),
+DEFINE_EVENT(lock, lock_contended,
 
-        TP_printk("%p %s",
-                  __entry->lockdep_addr, __get_str(name))
-);
+        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-TRACE_EVENT(lock_acquired,
-        TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
+        TP_ARGS(lock, ip)
+);
 
-        TP_ARGS(lock, ip, waittime),
+DEFINE_EVENT(lock, lock_acquired,
 
-        TP_STRUCT__entry(
-                __string(name, lock->name)
-                __field(s64, wait_nsec)
-                __field(void *, lockdep_addr)
-        ),
+        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-        TP_fast_assign(
-                __assign_str(name, lock->name);
-                __entry->wait_nsec = waittime;
-                __entry->lockdep_addr = lock;
-        ),
-        TP_printk("%p %s (%llu ns)", __entry->lockdep_addr,
-                  __get_str(name),
-                  __entry->wait_nsec)
+        TP_ARGS(lock, ip)
 );
 
 #endif
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 4866c109fa9a..e0e8daa6767e 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -695,13 +695,15 @@ perf_trace_##call(void *__data, proto)					\
         struct ftrace_event_call *event_call = __data;                  \
         struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
         struct ftrace_raw_##call *entry;                                \
+        struct pt_regs *__regs = &get_cpu_var(perf_trace_regs);         \
         u64 __addr = 0, __count = 1;                                    \
         unsigned long irq_flags;                                        \
-        struct pt_regs *__regs;                                         \
         int __entry_size;                                               \
         int __data_size;                                                \
         int rctx;                                                       \
                                                                         \
+        perf_fetch_caller_regs(__regs, 1);                              \
+                                                                        \
         __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
         __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
                              sizeof(u64));                              \
@@ -709,20 +711,19 @@ perf_trace_##call(void *__data, proto)					\
                                                                         \
         if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE,               \
                       "profile buffer not large enough"))               \
-                return;                                                 \
+                goto out;                                               \
         entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare(     \
                 __entry_size, event_call->event.type, &rctx, &irq_flags); \
         if (!entry)                                                     \
-                return;                                                 \
+                goto out;                                               \
         tstruct                                                         \
                                                                         \
         { assign; }                                                     \
                                                                         \
-        __regs = &__get_cpu_var(perf_trace_regs);                       \
-        perf_fetch_caller_regs(__regs, 2);                              \
-                                                                        \
         perf_trace_buf_submit(entry, __entry_size, rctx, __addr,        \
                                __count, irq_flags, __regs);             \
+ out:                                                                   \
+        put_cpu_var(perf_trace_regs);                                   \
 }
 
 /*