Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits)
  tracing/kprobes: unregister_trace_probe needs to be called under mutex
  perf: expose event__process function
  perf events: Fix mmap offset determination
  perf, powerpc: fsl_emb: Restore setting perf_sample_data.period
  perf, powerpc: Convert the FSL driver to use local64_t
  perf tools: Don't keep unreferenced maps when unmaps are detected
  perf session: Invalidate last_match when removing threads from rb_tree
  perf session: Free the ref_reloc_sym memory at the right place
  x86,mmiotrace: Add support for tracing STOS instruction
  perf, sched migration: Librarize task states and event headers helpers
  perf, sched migration: Librarize the GUI class
  perf, sched migration: Make the GUI class client agnostic
  perf, sched migration: Make it vertically scrollable
  perf, sched migration: Parameterize cpu height and spacing
  perf, sched migration: Fix key bindings
  perf, sched migration: Ignore unhandled task states
  perf, sched migration: Handle ignored migrate out events
  perf: New migration tool overview
  tracing: Drop cpparg() macro
  perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call
  ...

Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c

5 files changed, 47 insertions, 149 deletions

diff --git a/include/trace/boot.h b/include/trace/boot.h
deleted file mode 100644
index 088ea089e31d..000000000000
--- a/include/trace/boot.h
+++ /dev/null
@@ -1,60 +0,0 @@
-#ifndef _LINUX_TRACE_BOOT_H
-#define _LINUX_TRACE_BOOT_H
-
-#include <linux/module.h>
-#include <linux/kallsyms.h>
-#include <linux/init.h>
-
-/*
- * Structure which defines the trace of an initcall
- * while it is called.
- * You don't have to fill the func field since it is
- * only used internally by the tracer.
- */
-struct boot_trace_call {
-        pid_t                   caller;
-        char                    func[KSYM_SYMBOL_LEN];
-};
-
-/*
- * Structure which defines the trace of an initcall
- * while it returns.
- */
-struct boot_trace_ret {
-        char                    func[KSYM_SYMBOL_LEN];
-        int                             result;
-        unsigned long long      duration;               /* nsecs */
-};
-
-#ifdef CONFIG_BOOT_TRACER
-/* Append the traces on the ring-buffer */
-extern void trace_boot_call(struct boot_trace_call *bt, initcall_t fn);
-extern void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn);
-
-/* Tells the tracer that smp_pre_initcall is finished.
- * So we can start the tracing
- */
-extern void start_boot_trace(void);
-
-/* Resume the tracing of other necessary events
- * such as sched switches
- */
-extern void enable_boot_trace(void);
-
-/* Suspend this tracing. Actually, only sched_switches tracing have
- * to be suspended. Initcalls doesn't need it.)
- */
-extern void disable_boot_trace(void);
-#else
-static inline
-void trace_boot_call(struct boot_trace_call *bt, initcall_t fn) { }
-
-static inline
-void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn) { }
-
-static inline void start_boot_trace(void) { }
-static inline void enable_boot_trace(void) { }
-static inline void disable_boot_trace(void) { }
-#endif /* CONFIG_BOOT_TRACER */
-
-#endif /* __LINUX_TRACE_BOOT_H */
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index b9e1dd6c6208..9208c92aeab5 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -50,31 +50,6 @@ TRACE_EVENT(sched_kthread_stop_ret,
 );
 
 /*
- * Tracepoint for waiting on task to unschedule:
- */
-TRACE_EVENT(sched_wait_task,
-
-        TP_PROTO(struct task_struct *p),
-
-        TP_ARGS(p),
-
-        TP_STRUCT__entry(
-                __array(        char,   comm,   TASK_COMM_LEN   )
-                __field(        pid_t,  pid                     )
-                __field(        int,    prio                    )
-        ),
-
-        TP_fast_assign(
-                memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
-                __entry->pid    = p->pid;
-                __entry->prio   = p->prio;
-        ),
-
-        TP_printk("comm=%s pid=%d prio=%d",
-                  __entry->comm, __entry->pid, __entry->prio)
-);
-
-/*
  * Tracepoint for waking up a task:
  */
 DECLARE_EVENT_CLASS(sched_wakeup_template,
@@ -240,6 +215,13 @@ DEFINE_EVENT(sched_process_template, sched_process_exit,
              TP_ARGS(p));
 
 /*
+ * Tracepoint for waiting on task to unschedule:
+ */
+DEFINE_EVENT(sched_process_template, sched_wait_task,
+        TP_PROTO(struct task_struct *p),
+        TP_ARGS(p));
+
+/*
  * Tracepoint for a waiting task:
  */
 TRACE_EVENT(sched_process_wait,
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index 9496b965d62a..c624126a9c8a 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -8,11 +8,7 @@
 #include <linux/hrtimer.h>
 #include <linux/timer.h>
 
-/**
- * timer_init - called when the timer is initialized
- * @timer:      pointer to struct timer_list
- */
-TRACE_EVENT(timer_init,
+DECLARE_EVENT_CLASS(timer_class,
 
         TP_PROTO(struct timer_list *timer),
 
@@ -30,6 +26,17 @@ TRACE_EVENT(timer_init,
 );
 
 /**
+ * timer_init - called when the timer is initialized
+ * @timer:      pointer to struct timer_list
+ */
+DEFINE_EVENT(timer_class, timer_init,
+
+        TP_PROTO(struct timer_list *timer),
+
+        TP_ARGS(timer)
+);
+
+/**
  * timer_start - called when the timer is started
  * @timer:      pointer to struct timer_list
  * @expires:    the timers expiry time
@@ -94,42 +101,22 @@ TRACE_EVENT(timer_expire_entry,
  * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might
  * be invalid. We solely track the pointer.
  */
-TRACE_EVENT(timer_expire_exit,
+DEFINE_EVENT(timer_class, timer_expire_exit,
 
         TP_PROTO(struct timer_list *timer),
 
-        TP_ARGS(timer),
-
-        TP_STRUCT__entry(
-                __field(void *, timer   )
-        ),
-
-        TP_fast_assign(
-                __entry->timer  = timer;
-        ),
-
-        TP_printk("timer=%p", __entry->timer)
+        TP_ARGS(timer)
 );
 
 /**
  * timer_cancel - called when the timer is canceled
  * @timer:      pointer to struct timer_list
  */
-TRACE_EVENT(timer_cancel,
+DEFINE_EVENT(timer_class, timer_cancel,
 
         TP_PROTO(struct timer_list *timer),
 
-        TP_ARGS(timer),
-
-        TP_STRUCT__entry(
-                __field( void *,        timer   )
-        ),
-
-        TP_fast_assign(
-                __entry->timer  = timer;
-        ),
-
-        TP_printk("timer=%p", __entry->timer)
+        TP_ARGS(timer)
 );
 
 /**
@@ -224,14 +211,7 @@ TRACE_EVENT(hrtimer_expire_entry,
                   (unsigned long long)ktime_to_ns((ktime_t) { .tv64 = __entry->now }))
  );
 
-/**
- * hrtimer_expire_exit - called immediately after the hrtimer callback returns
- * @timer:      pointer to struct hrtimer
- *
- * When used in combination with the hrtimer_expire_entry tracepoint we can
- * determine the runtime of the callback function.
- */
-TRACE_EVENT(hrtimer_expire_exit,
+DECLARE_EVENT_CLASS(hrtimer_class,
 
         TP_PROTO(struct hrtimer *hrtimer),
 
@@ -249,24 +229,28 @@ TRACE_EVENT(hrtimer_expire_exit,
 );
 
 /**
- * hrtimer_cancel - called when the hrtimer is canceled
- * @hrtimer:    pointer to struct hrtimer
+ * hrtimer_expire_exit - called immediately after the hrtimer callback returns
+ * @timer:      pointer to struct hrtimer
+ *
+ * When used in combination with the hrtimer_expire_entry tracepoint we can
+ * determine the runtime of the callback function.
  */
-TRACE_EVENT(hrtimer_cancel,
+DEFINE_EVENT(hrtimer_class, hrtimer_expire_exit,
 
         TP_PROTO(struct hrtimer *hrtimer),
 
-        TP_ARGS(hrtimer),
+        TP_ARGS(hrtimer)
+);
 
-        TP_STRUCT__entry(
-                __field( void *,        hrtimer )
-        ),
+/**
+ * hrtimer_cancel - called when the hrtimer is canceled
+ * @hrtimer:    pointer to struct hrtimer
+ */
+DEFINE_EVENT(hrtimer_class, hrtimer_cancel,
 
-        TP_fast_assign(
-                __entry->hrtimer        = hrtimer;
-        ),
+        TP_PROTO(struct hrtimer *hrtimer),
 
-        TP_printk("hrtimer=%p", __entry->hrtimer)
+        TP_ARGS(hrtimer)
 );
 
 /**
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 5a64905d7278..a9377c0083ad 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -75,15 +75,12 @@
 #define DEFINE_EVENT_PRINT(template, name, proto, args, print)  \
         DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
 
-#undef __cpparg
-#define __cpparg(arg...) arg
-
 /* Callbacks are meaningless to ftrace. */
 #undef TRACE_EVENT_FN
 #define TRACE_EVENT_FN(name, proto, args, tstruct,                      \
                 assign, print, reg, unreg)                              \
-        TRACE_EVENT(name, __cpparg(proto), __cpparg(args),              \
-                __cpparg(tstruct), __cpparg(assign), __cpparg(print))   \
+        TRACE_EVENT(name, PARAMS(proto), PARAMS(args),                  \
+                PARAMS(tstruct), PARAMS(assign), PARAMS(print))         \
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
@@ -145,7 +142,7 @@
  *      struct trace_seq *s = &iter->seq;
  *      struct ftrace_raw_<call> *field; <-- defined in stage 1
  *      struct trace_entry *entry;
- *      struct trace_seq *p;
+ *      struct trace_seq *p = &iter->tmp_seq;
  *      int ret;
  *
  *      entry = iter->ent;
@@ -157,12 +154,10 @@
  *
  *      field = (typeof(field))entry;
  *
- *      p = &get_cpu_var(ftrace_event_seq);
  *      trace_seq_init(p);
  *      ret = trace_seq_printf(s, "%s: ", <call>);
  *      if (ret)
  *              ret = trace_seq_printf(s, <TP_printk> "\n");
- *      put_cpu();
  *      if (!ret)
  *              return TRACE_TYPE_PARTIAL_LINE;
  *
@@ -216,7 +211,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
         struct trace_seq *s = &iter->seq;                               \
         struct ftrace_raw_##call *field;                                \
         struct trace_entry *entry;                                      \
-        struct trace_seq *p;                                            \
+        struct trace_seq *p = &iter->tmp_seq;                           \
         int ret;                                                        \
                                                                         \
         event = container_of(trace_event, struct ftrace_event_call,     \
@@ -231,12 +226,10 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
                                                                         \
         field = (typeof(field))entry;                                   \
                                                                         \
-        p = &get_cpu_var(ftrace_event_seq);                             \
         trace_seq_init(p);                                              \
         ret = trace_seq_printf(s, "%s: ", event->name);                 \
         if (ret)                                                        \
                 ret = trace_seq_printf(s, print);                       \
-        put_cpu();                                                      \
         if (!ret)                                                       \
                 return TRACE_TYPE_PARTIAL_LINE;                         \
                                                                         \
@@ -255,7 +248,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
         struct trace_seq *s = &iter->seq;                               \
         struct ftrace_raw_##template *field;                            \
         struct trace_entry *entry;                                      \
-        struct trace_seq *p;                                            \
+        struct trace_seq *p = &iter->tmp_seq;                           \
         int ret;                                                        \
                                                                         \
         entry = iter->ent;                                              \
@@ -267,12 +260,10 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags,	\
                                                                         \
         field = (typeof(field))entry;                                   \
                                                                         \
-        p = &get_cpu_var(ftrace_event_seq);                             \
         trace_seq_init(p);                                              \
         ret = trace_seq_printf(s, "%s: ", #call);                       \
         if (ret)                                                        \
                 ret = trace_seq_printf(s, print);                       \
-        put_cpu();                                                      \
         if (!ret)                                                       \
                 return TRACE_TYPE_PARTIAL_LINE;                         \
                                                                         \
@@ -439,6 +430,7 @@ static inline notrace int ftrace_get_offsets_##call(			\
  *      .fields                 = LIST_HEAD_INIT(event_class_##call.fields),
  *      .raw_init               = trace_event_raw_init,
  *      .probe                  = ftrace_raw_event_##call,
+ *      .reg                    = ftrace_event_reg,
  * };
  *
  * static struct ftrace_event_call __used
@@ -567,6 +559,7 @@ static struct ftrace_event_class __used event_class_##call = {		\
         .fields                 = LIST_HEAD_INIT(event_class_##call.fields),\
         .raw_init               = trace_event_raw_init,                 \
         .probe                  = ftrace_raw_event_##call,              \
+        .reg                    = ftrace_event_reg,                     \
         _TRACE_PERF_INIT(call)                                          \
 };
 
@@ -705,7 +698,7 @@ perf_trace_##call(void *__data, proto)					\
         int __data_size;                                                \
         int rctx;                                                       \
                                                                         \
-        perf_fetch_caller_regs(&__regs, 1);                             \
+        perf_fetch_caller_regs(&__regs);                                \
                                                                         \
         __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
         __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 257e08960d7b..31966a4fb8cc 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -26,7 +26,6 @@ struct syscall_metadata {
         const char      **types;
         const char      **args;
         struct list_head enter_fields;
-        struct list_head exit_fields;
 
         struct ftrace_event_call *enter_event;
         struct ftrace_event_call *exit_event;