17 files changed, 228 insertions, 261 deletions

diff --git a/include/asm-generic/local64.h b/include/asm-generic/local64.h
new file mode 100644
index 000000000000..02ac760c1a8b
--- /dev/null
+++ b/include/asm-generic/local64.h
@@ -0,0 +1,96 @@
+#ifndef _ASM_GENERIC_LOCAL64_H
+#define _ASM_GENERIC_LOCAL64_H
+
+#include <linux/percpu.h>
+#include <asm/types.h>
+
+/*
+ * A signed long type for operations which are atomic for a single CPU.
+ * Usually used in combination with per-cpu variables.
+ *
+ * This is the default implementation, which uses atomic64_t.  Which is
+ * rather pointless.  The whole point behind local64_t is that some processors
+ * can perform atomic adds and subtracts in a manner which is atomic wrt IRQs
+ * running on this CPU.  local64_t allows exploitation of such capabilities.
+ */
+
+/* Implement in terms of atomics. */
+
+#if BITS_PER_LONG == 64
+
+#include <asm/local.h>
+
+typedef struct {
+        local_t a;
+} local64_t;
+
+#define LOCAL64_INIT(i) { LOCAL_INIT(i) }
+
+#define local64_read(l)         local_read(&(l)->a)
+#define local64_set(l,i)        local_set((&(l)->a),(i))
+#define local64_inc(l)          local_inc(&(l)->a)
+#define local64_dec(l)          local_dec(&(l)->a)
+#define local64_add(i,l)        local_add((i),(&(l)->a))
+#define local64_sub(i,l)        local_sub((i),(&(l)->a))
+
+#define local64_sub_and_test(i, l) local_sub_and_test((i), (&(l)->a))
+#define local64_dec_and_test(l) local_dec_and_test(&(l)->a)
+#define local64_inc_and_test(l) local_inc_and_test(&(l)->a)
+#define local64_add_negative(i, l) local_add_negative((i), (&(l)->a))
+#define local64_add_return(i, l) local_add_return((i), (&(l)->a))
+#define local64_sub_return(i, l) local_sub_return((i), (&(l)->a))
+#define local64_inc_return(l)   local_inc_return(&(l)->a)
+
+#define local64_cmpxchg(l, o, n) local_cmpxchg((&(l)->a), (o), (n))
+#define local64_xchg(l, n)      local_xchg((&(l)->a), (n))
+#define local64_add_unless(l, _a, u) local_add_unless((&(l)->a), (_a), (u))
+#define local64_inc_not_zero(l) local_inc_not_zero(&(l)->a)
+
+/* Non-atomic variants, ie. preemption disabled and won't be touched
+ * in interrupt, etc.  Some archs can optimize this case well. */
+#define __local64_inc(l)        local64_set((l), local64_read(l) + 1)
+#define __local64_dec(l)        local64_set((l), local64_read(l) - 1)
+#define __local64_add(i,l)      local64_set((l), local64_read(l) + (i))
+#define __local64_sub(i,l)      local64_set((l), local64_read(l) - (i))
+
+#else /* BITS_PER_LONG != 64 */
+
+#include <asm/atomic.h>
+
+/* Don't use typedef: don't want them to be mixed with atomic_t's. */
+typedef struct {
+        atomic64_t a;
+} local64_t;
+
+#define LOCAL64_INIT(i) { ATOMIC_LONG_INIT(i) }
+
+#define local64_read(l)         atomic64_read(&(l)->a)
+#define local64_set(l,i)        atomic64_set((&(l)->a),(i))
+#define local64_inc(l)          atomic64_inc(&(l)->a)
+#define local64_dec(l)          atomic64_dec(&(l)->a)
+#define local64_add(i,l)        atomic64_add((i),(&(l)->a))
+#define local64_sub(i,l)        atomic64_sub((i),(&(l)->a))
+
+#define local64_sub_and_test(i, l) atomic64_sub_and_test((i), (&(l)->a))
+#define local64_dec_and_test(l) atomic64_dec_and_test(&(l)->a)
+#define local64_inc_and_test(l) atomic64_inc_and_test(&(l)->a)
+#define local64_add_negative(i, l) atomic64_add_negative((i), (&(l)->a))
+#define local64_add_return(i, l) atomic64_add_return((i), (&(l)->a))
+#define local64_sub_return(i, l) atomic64_sub_return((i), (&(l)->a))
+#define local64_inc_return(l)   atomic64_inc_return(&(l)->a)
+
+#define local64_cmpxchg(l, o, n) atomic64_cmpxchg((&(l)->a), (o), (n))
+#define local64_xchg(l, n)      atomic64_xchg((&(l)->a), (n))
+#define local64_add_unless(l, _a, u) atomic64_add_unless((&(l)->a), (_a), (u))
+#define local64_inc_not_zero(l) atomic64_inc_not_zero(&(l)->a)
+
+/* Non-atomic variants, ie. preemption disabled and won't be touched
+ * in interrupt, etc.  Some archs can optimize this case well. */
+#define __local64_inc(l)        local64_set((l), local64_read(l) + 1)
+#define __local64_dec(l)        local64_set((l), local64_read(l) - 1)
+#define __local64_add(i,l)      local64_set((l), local64_read(l) + (i))
+#define __local64_sub(i,l)      local64_set((l), local64_read(l) - (i))
+
+#endif /* BITS_PER_LONG != 64 */
+
+#endif /* _ASM_GENERIC_LOCAL64_H */
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 4e7ae6002056..8a92a170fb7d 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -156,10 +156,6 @@
         CPU_KEEP(exit.data)                                             \
         MEM_KEEP(init.data)                                             \
         MEM_KEEP(exit.data)                                             \
-        . = ALIGN(8);                                                   \
-        VMLINUX_SYMBOL(__start___markers) = .;                          \
-        *(__markers)                                                    \
-        VMLINUX_SYMBOL(__stop___markers) = .;                           \
         . = ALIGN(32);                                                  \
         VMLINUX_SYMBOL(__start___tracepoints) = .;                      \
         *(__tracepoints)                                                \
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 41e46330d9be..dcd6a7c3a435 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -1,3 +1,8 @@
+/*
+ * Ftrace header.  For implementation details beyond the random comments
+ * scattered below, see: Documentation/trace/ftrace-design.txt
+ */
+
 #ifndef _LINUX_FTRACE_H
 #define _LINUX_FTRACE_H
 
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 3167f2df4126..02b8b24f8f51 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -11,8 +11,6 @@ struct trace_array;
 struct tracer;
 struct dentry;
 
-DECLARE_PER_CPU(struct trace_seq, ftrace_event_seq);
-
 struct trace_print_flags {
         unsigned long           mask;
         const char              *name;
@@ -58,6 +56,9 @@ struct trace_iterator {
         struct ring_buffer_iter *buffer_iter[NR_CPUS];
         unsigned long           iter_flags;
 
+        /* trace_seq for __print_flags() and __print_symbolic() etc. */
+        struct trace_seq        tmp_seq;
+
         /* The below is zeroed out in pipe_read */
         struct trace_seq        seq;
         struct trace_entry      *ent;
@@ -146,14 +147,19 @@ struct ftrace_event_class {
         int                     (*raw_init)(struct ftrace_event_call *);
 };
 
+extern int ftrace_event_reg(struct ftrace_event_call *event,
+                            enum trace_reg type);
+
 enum {
         TRACE_EVENT_FL_ENABLED_BIT,
         TRACE_EVENT_FL_FILTERED_BIT,
+        TRACE_EVENT_FL_RECORDED_CMD_BIT,
 };
 
 enum {
-        TRACE_EVENT_FL_ENABLED  = (1 << TRACE_EVENT_FL_ENABLED_BIT),
-        TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT),
+        TRACE_EVENT_FL_ENABLED          = (1 << TRACE_EVENT_FL_ENABLED_BIT),
+        TRACE_EVENT_FL_FILTERED         = (1 << TRACE_EVENT_FL_FILTERED_BIT),
+        TRACE_EVENT_FL_RECORDED_CMD     = (1 << TRACE_EVENT_FL_RECORDED_CMD_BIT),
 };
 
 struct ftrace_event_call {
@@ -171,6 +177,7 @@ struct ftrace_event_call {
          * 32 bit flags:
          *   bit 1:             enabled
          *   bit 2:             filter_active
+         *   bit 3:             enabled cmd record
          *
          * Changes to flags must hold the event_mutex.
          *
@@ -257,8 +264,7 @@ static inline void
 perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr,
                        u64 count, struct pt_regs *regs, void *head)
 {
-        perf_tp_event(addr, count, raw_data, size, regs, head);
-        perf_swevent_put_recursion_context(rctx);
+        perf_tp_event(addr, count, raw_data, size, regs, head, rctx);
 }
 #endif
 
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 5de838b0fc1a..38e462e00594 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -513,9 +513,6 @@ extern void tracing_start(void);
 extern void tracing_stop(void);
 extern void ftrace_off_permanent(void);
 
-extern void
-ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
-
 static inline void __attribute__ ((format (printf, 1, 2)))
 ____trace_printk_check_format(const char *fmt, ...)
 {
@@ -591,8 +588,6 @@ __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap);
 
 extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode);
 #else
-static inline void
-ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 static inline int
 trace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 
diff --git a/include/linux/kmemtrace.h b/include/linux/kmemtrace.h
deleted file mode 100644
index b616d3930c3b..000000000000
--- a/include/linux/kmemtrace.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2008 Eduard - Gabriel Munteanu
- *
- * This file is released under GPL version 2.
- */
-
-#ifndef _LINUX_KMEMTRACE_H
-#define _LINUX_KMEMTRACE_H
-
-#ifdef __KERNEL__
-
-#include <trace/events/kmem.h>
-
-#ifdef CONFIG_KMEMTRACE
-extern void kmemtrace_init(void);
-#else
-static inline void kmemtrace_init(void)
-{
-}
-#endif
-
-#endif /* __KERNEL__ */
-
-#endif /* _LINUX_KMEMTRACE_H */
-
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index b752e807adde..06aab5eee134 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -20,10 +20,14 @@ extern void touch_nmi_watchdog(void);
 extern void acpi_nmi_disable(void);
 extern void acpi_nmi_enable(void);
 #else
+#ifndef CONFIG_HARDLOCKUP_DETECTOR
 static inline void touch_nmi_watchdog(void)
 {
         touch_softlockup_watchdog();
 }
+#else
+extern void touch_nmi_watchdog(void);
+#endif
 static inline void acpi_nmi_disable(void) { }
 static inline void acpi_nmi_enable(void) { }
 #endif
@@ -47,4 +51,13 @@ static inline bool trigger_all_cpu_backtrace(void)
 }
 #endif
 
+#ifdef CONFIG_LOCKUP_DETECTOR
+int hw_nmi_is_cpu_stuck(struct pt_regs *);
+u64 hw_nmi_get_sample_period(void);
+extern int watchdog_enabled;
+struct ctl_table;
+extern int proc_dowatchdog_enabled(struct ctl_table *, int ,
+                        void __user *, size_t *, loff_t *);
+#endif
+
 #endif
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 5d0266d94985..937495c25073 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -214,8 +214,9 @@ struct perf_event_attr {
                                  *  See also PERF_RECORD_MISC_EXACT_IP
                                  */
                                 precise_ip     :  2, /* skid constraint       */
+                                mmap_data      :  1, /* non-exec mmap data    */
 
-                                __reserved_1   : 47;
+                                __reserved_1   : 46;
 
         union {
                 __u32           wakeup_events;    /* wakeup every n events */
@@ -461,6 +462,7 @@ enum perf_callchain_context {
 
 #ifdef CONFIG_PERF_EVENTS
 # include <asm/perf_event.h>
+# include <asm/local64.h>
 #endif
 
 struct perf_guest_info_callbacks {
@@ -531,14 +533,16 @@ struct hw_perf_event {
                         struct hrtimer  hrtimer;
                 };
 #ifdef CONFIG_HAVE_HW_BREAKPOINT
-                /* breakpoint */
-                struct arch_hw_breakpoint       info;
+                struct { /* breakpoint */
+                        struct arch_hw_breakpoint       info;
+                        struct list_head                bp_list;
+                };
 #endif
         };
-        atomic64_t                      prev_count;
+        local64_t                       prev_count;
         u64                             sample_period;
         u64                             last_period;
-        atomic64_t                      period_left;
+        local64_t                       period_left;
         u64                             interrupts;
 
         u64                             freq_time_stamp;
@@ -548,7 +552,10 @@ struct hw_perf_event {
 
 struct perf_event;
 
-#define PERF_EVENT_TXN_STARTED 1
+/*
+ * Common implementation detail of pmu::{start,commit,cancel}_txn
+ */
+#define PERF_EVENT_TXN 0x1
 
 /**
  * struct pmu - generic performance monitoring unit
@@ -562,14 +569,28 @@ struct pmu {
         void (*unthrottle)              (struct perf_event *event);
 
         /*
-         * group events scheduling is treated as a transaction,
-         * add group events as a whole and perform one schedulability test.
-         * If test fails, roll back the whole group
+         * Group events scheduling is treated as a transaction, add group
+         * events as a whole and perform one schedulability test. If the test
+         * fails, roll back the whole group
          */
 
+        /*
+         * Start the transaction, after this ->enable() doesn't need
+         * to do schedulability tests.
+         */
         void (*start_txn)       (const struct pmu *pmu);
-        void (*cancel_txn)      (const struct pmu *pmu);
+        /*
+         * If ->start_txn() disabled the ->enable() schedulability test
+         * then ->commit_txn() is required to perform one. On success
+         * the transaction is closed. On error the transaction is kept
+         * open until ->cancel_txn() is called.
+         */
         int  (*commit_txn)      (const struct pmu *pmu);
+        /*
+         * Will cancel the transaction, assumes ->disable() is called for
+         * each successfull ->enable() during the transaction.
+         */
+        void (*cancel_txn)      (const struct pmu *pmu);
 };
 
 /**
@@ -584,7 +605,9 @@ enum perf_event_active_state {
 
 struct file;
 
-struct perf_mmap_data {
+#define PERF_BUFFER_WRITABLE            0x01
+
+struct perf_buffer {
         atomic_t                        refcount;
         struct rcu_head                 rcu_head;
 #ifdef CONFIG_PERF_USE_VMALLOC
@@ -650,7 +673,8 @@ struct perf_event {
 
         enum perf_event_active_state    state;
         unsigned int                    attach_state;
-        atomic64_t                      count;
+        local64_t                       count;
+        atomic64_t                      child_count;
 
         /*
          * These are the total time in nanoseconds that the event
@@ -709,7 +733,7 @@ struct perf_event {
         atomic_t                        mmap_count;
         int                             mmap_locked;
         struct user_struct              *mmap_user;
-        struct perf_mmap_data           *data;
+        struct perf_buffer              *buffer;
 
         /* poll related */
         wait_queue_head_t               waitq;
@@ -807,7 +831,7 @@ struct perf_cpu_context {
 
 struct perf_output_handle {
         struct perf_event               *event;
-        struct perf_mmap_data           *data;
+        struct perf_buffer              *buffer;
         unsigned long                   wakeup;
         unsigned long                   size;
         void                            *addr;
@@ -910,8 +934,10 @@ extern atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX];
 
 extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64);
 
-extern void
-perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip);
+#ifndef perf_arch_fetch_caller_regs
+static inline void
+perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
+#endif
 
 /*
  * Take a snapshot of the regs. Skip ip and frame pointer to
@@ -921,31 +947,11 @@ perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip);
  * - bp for callchains
  * - eflags, for future purposes, just in case
  */
-static inline void perf_fetch_caller_regs(struct pt_regs *regs, int skip)
+static inline void perf_fetch_caller_regs(struct pt_regs *regs)
 {
-        unsigned long ip;
-
         memset(regs, 0, sizeof(*regs));
 
-        switch (skip) {
-        case 1 :
-                ip = CALLER_ADDR0;
-                break;
-        case 2 :
-                ip = CALLER_ADDR1;
-                break;
-        case 3 :
-                ip = CALLER_ADDR2;
-                break;
-        case 4:
-                ip = CALLER_ADDR3;
-                break;
-        /* No need to support further for now */
-        default:
-                ip = 0;
-        }
-
-        return perf_arch_fetch_caller_regs(regs, ip, skip);
+        perf_arch_fetch_caller_regs(regs, CALLER_ADDR0);
 }
 
 static inline void
@@ -955,21 +961,14 @@ perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
                 struct pt_regs hot_regs;
 
                 if (!regs) {
-                        perf_fetch_caller_regs(&hot_regs, 1);
+                        perf_fetch_caller_regs(&hot_regs);
                         regs = &hot_regs;
                 }
                 __perf_sw_event(event_id, nr, nmi, regs, addr);
         }
 }
 
-extern void __perf_event_mmap(struct vm_area_struct *vma);
-
-static inline void perf_event_mmap(struct vm_area_struct *vma)
-{
-        if (vma->vm_flags & VM_EXEC)
-                __perf_event_mmap(vma);
-}
-
+extern void perf_event_mmap(struct vm_area_struct *vma);
 extern struct perf_guest_info_callbacks *perf_guest_cbs;
 extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);
 extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);
@@ -1001,7 +1000,7 @@ static inline bool perf_paranoid_kernel(void)
 extern void perf_event_init(void);
 extern void perf_tp_event(u64 addr, u64 count, void *record,
                           int entry_size, struct pt_regs *regs,
-                          struct hlist_head *head);
+                          struct hlist_head *head, int rctx);
 extern void perf_bp_event(struct perf_event *event, void *data);
 
 #ifndef perf_misc_flags
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0478888c6899..3992f50de614 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -316,20 +316,16 @@ extern void scheduler_tick(void);
 
 extern void sched_show_task(struct task_struct *p);
 
-#ifdef CONFIG_DETECT_SOFTLOCKUP
-extern void softlockup_tick(void);
+#ifdef CONFIG_LOCKUP_DETECTOR
 extern void touch_softlockup_watchdog(void);
 extern void touch_softlockup_watchdog_sync(void);
 extern void touch_all_softlockup_watchdogs(void);
-extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
-                                    void __user *buffer,
-                                    size_t *lenp, loff_t *ppos);
+extern int proc_dowatchdog_thresh(struct ctl_table *table, int write,
+                                  void __user *buffer,
+                                  size_t *lenp, loff_t *ppos);
 extern unsigned int  softlockup_panic;
 extern int softlockup_thresh;
 #else
-static inline void softlockup_tick(void)
-{
-}
 static inline void touch_softlockup_watchdog(void)
 {
 }
@@ -2435,18 +2431,6 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
 
 #endif /* CONFIG_SMP */
 
-#ifdef CONFIG_TRACING
-extern void
-__trace_special(void *__tr, void *__data,
-                unsigned long arg1, unsigned long arg2, unsigned long arg3);
-#else
-static inline void
-__trace_special(void *__tr, void *__data,
-                unsigned long arg1, unsigned long arg2, unsigned long arg3)
-{
-}
-#endif
-
 extern long sched_setaffinity(pid_t pid, const struct cpumask *new_mask);
 extern long sched_getaffinity(pid_t pid, struct cpumask *mask);
 
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 1812dac8c496..1acfa73ce2ac 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -14,7 +14,8 @@
 #include <asm/page.h>           /* kmalloc_sizes.h needs PAGE_SIZE */
 #include <asm/cache.h>          /* kmalloc_sizes.h needs L1_CACHE_BYTES */
 #include <linux/compiler.h>
-#include <linux/kmemtrace.h>
+
+#include <trace/events/kmem.h>
 
 #ifndef ARCH_KMALLOC_MINALIGN
 /*
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 4ba59cfc1f75..6447a723ecb1 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -10,9 +10,10 @@
 #include <linux/gfp.h>
 #include <linux/workqueue.h>
 #include <linux/kobject.h>
-#include <linux/kmemtrace.h>
 #include <linux/kmemleak.h>
 
+#include <trace/events/kmem.h>
+
 enum stat_item {
         ALLOC_FASTPATH,         /* Allocation from cpu slab */
         ALLOC_SLOWPATH,         /* Allocation by getting a new cpu slab */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 13ebb5413a79..a6bfd1367d2a 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -167,7 +167,6 @@ extern struct trace_event_functions exit_syscall_print_funcs;
                 .enter_event    = &event_enter_##sname,         \
                 .exit_event     = &event_exit_##sname,          \
                 .enter_fields   = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
-                .exit_fields    = LIST_HEAD_INIT(__syscall_meta_##sname.exit_fields), \
         };
 
 #define SYSCALL_DEFINE0(sname)                                  \
@@ -182,7 +181,6 @@ extern struct trace_event_functions exit_syscall_print_funcs;
                 .enter_event    = &event_enter__##sname,        \
                 .exit_event     = &event_exit__##sname,         \
                 .enter_fields   = LIST_HEAD_INIT(__syscall_meta__##sname.enter_fields), \
-                .exit_fields    = LIST_HEAD_INIT(__syscall_meta__##sname.exit_fields), \
         };                                                      \
         asmlinkage long sys_##sname(void)
 #else
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;