6 files changed, 172 insertions, 215 deletions

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 2aa6aa3e8f61..f3865c7b4166 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -306,7 +306,6 @@ TRACE_EVENT(ext4_da_writepages_result,
                 __field(        int,    pages_written           )
                 __field(        long,   pages_skipped           )
                 __field(        char,   more_io                 )       
-                __field(        char,   no_nrwrite_index_update )
                 __field(       pgoff_t, writeback_index         )
         ),
 
@@ -317,16 +316,14 @@ TRACE_EVENT(ext4_da_writepages_result,
                 __entry->pages_written  = pages_written;
                 __entry->pages_skipped  = wbc->pages_skipped;
                 __entry->more_io        = wbc->more_io;
-                __entry->no_nrwrite_index_update = wbc->no_nrwrite_index_update;
                 __entry->writeback_index = inode->i_mapping->writeback_index;
         ),
 
-        TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld more_io %d no_nrwrite_index_update %d writeback_index %lu",
+        TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld more_io %d writeback_index %lu",
                   jbd2_dev_to_name(__entry->dev),
                   (unsigned long) __entry->ino, __entry->ret,
                   __entry->pages_written, __entry->pages_skipped,
                   __entry->more_io,
-                  __entry->no_nrwrite_index_update,
                   (unsigned long) __entry->writeback_index)
 );
 
@@ -353,7 +350,7 @@ TRACE_EVENT(ext4_discard_blocks,
                   jbd2_dev_to_name(__entry->dev), __entry->blk, __entry->count)
 );
 
-TRACE_EVENT(ext4_mb_new_inode_pa,
+DECLARE_EVENT_CLASS(ext4__mb_new_pa,
         TP_PROTO(struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa),
 
@@ -381,32 +378,20 @@ TRACE_EVENT(ext4_mb_new_inode_pa,
                   __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
 );
 
-TRACE_EVENT(ext4_mb_new_group_pa,
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa,
+
         TP_PROTO(struct ext4_allocation_context *ac,
                  struct ext4_prealloc_space *pa),
 
-        TP_ARGS(ac, pa),
-
-        TP_STRUCT__entry(
-                __field(        dev_t,  dev                     )
-                __field(        ino_t,  ino                     )
-                __field(        __u64,  pa_pstart               )
-                __field(        __u32,  pa_len                  )
-                __field(        __u64,  pa_lstart               )
+        TP_ARGS(ac, pa)
+);
 
-        ),
+DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
 
-        TP_fast_assign(
-                __entry->dev            = ac->ac_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
-                __entry->pa_pstart      = pa->pa_pstart;
-                __entry->pa_len         = pa->pa_len;
-                __entry->pa_lstart      = pa->pa_lstart;
-        ),
+        TP_PROTO(struct ext4_allocation_context *ac,
+                 struct ext4_prealloc_space *pa),
 
-        TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
-                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-                  __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
+        TP_ARGS(ac, pa)
 );
 
 TRACE_EVENT(ext4_mb_release_inode_pa,
@@ -618,9 +603,9 @@ TRACE_EVENT(ext4_free_blocks,
 );
 
 TRACE_EVENT(ext4_sync_file,
-        TP_PROTO(struct file *file, struct dentry *dentry, int datasync),
+        TP_PROTO(struct file *file, int datasync),
 
-        TP_ARGS(file, dentry, datasync),
+        TP_ARGS(file, datasync),
 
         TP_STRUCT__entry(
                 __field(        dev_t,  dev                     )
@@ -630,6 +615,8 @@ TRACE_EVENT(ext4_sync_file,
         ),
 
         TP_fast_assign(
+                struct dentry *dentry = file->f_path.dentry;
+
                 __entry->dev            = dentry->d_inode->i_sb->s_dev;
                 __entry->ino            = dentry->d_inode->i_ino;
                 __entry->datasync       = datasync;
@@ -790,7 +777,7 @@ TRACE_EVENT(ext4_mballoc_prealloc,
                   __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_discard,
+DECLARE_EVENT_CLASS(ext4__mballoc,
         TP_PROTO(struct ext4_allocation_context *ac),
 
         TP_ARGS(ac),
@@ -819,33 +806,18 @@ TRACE_EVENT(ext4_mballoc_discard,
                   __entry->result_len, __entry->result_logical)
 );
 
-TRACE_EVENT(ext4_mballoc_free,
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_discard,
+
         TP_PROTO(struct ext4_allocation_context *ac),
 
-        TP_ARGS(ac),
+        TP_ARGS(ac)
+);
 
-        TP_STRUCT__entry(
-                __field(        dev_t,  dev                     )
-                __field(        ino_t,  ino                     )
-                __field(        __u32,  result_logical          )
-                __field(          int,  result_start            )
-                __field(        __u32,  result_group            )
-                __field(          int,  result_len              )
-        ),
+DEFINE_EVENT(ext4__mballoc, ext4_mballoc_free,
 
-        TP_fast_assign(
-                __entry->dev            = ac->ac_inode->i_sb->s_dev;
-                __entry->ino            = ac->ac_inode->i_ino;
-                __entry->result_logical = ac->ac_b_ex.fe_logical;
-                __entry->result_start   = ac->ac_b_ex.fe_start;
-                __entry->result_group   = ac->ac_b_ex.fe_group;
-                __entry->result_len     = ac->ac_b_ex.fe_len;
-        ),
+        TP_PROTO(struct ext4_allocation_context *ac),
 
-        TP_printk("dev %s inode %lu extent %u/%d/%u@%u ",
-                  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
-                  __entry->result_group, __entry->result_start,
-                  __entry->result_len, __entry->result_logical)
+        TP_ARGS(ac)
 );
 
 TRACE_EVENT(ext4_forget,
@@ -974,6 +946,39 @@ TRACE_EVENT(ext4_da_release_space,
                   __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
 );
 
+DECLARE_EVENT_CLASS(ext4__bitmap_load,
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group),
+
+        TP_STRUCT__entry(
+                __field(        dev_t,  dev                     )
+                __field(        __u32,  group                   )
+
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = sb->s_dev;
+                __entry->group  = group;
+        ),
+
+        TP_printk("dev %s group %u",
+                  jbd2_dev_to_name(__entry->dev), __entry->group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load,
+
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group)
+);
+
+DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load,
+
+        TP_PROTO(struct super_block *sb, unsigned long group),
+
+        TP_ARGS(sb, group)
+);
 
 #endif /* _TRACE_EXT4_H */
 
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index b17d49dfc3ef..6dd3a51ab1cb 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -5,7 +5,6 @@
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
-#define TRACE_INCLUDE_FILE kvm
 
 #if defined(__KVM_HAVE_IOAPIC)
 TRACE_EVENT(kvm_set_irq,
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 4f733ecea46e..b9e1dd6c6208 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -115,6 +115,23 @@ DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
              TP_PROTO(struct task_struct *p, int success),
              TP_ARGS(p, success));
 
+#ifdef CREATE_TRACE_POINTS
+static inline long __trace_sched_switch_state(struct task_struct *p)
+{
+        long state = p->state;
+
+#ifdef CONFIG_PREEMPT
+        /*
+         * For all intents and purposes a preempted task is a running task.
+         */
+        if (task_thread_info(p)->preempt_count & PREEMPT_ACTIVE)
+                state = TASK_RUNNING;
+#endif
+
+        return state;
+}
+#endif
+
 /*
  * Tracepoint for task switches, performed by the scheduler:
  */
@@ -139,7 +156,7 @@ TRACE_EVENT(sched_switch,
                 memcpy(__entry->next_comm, next->comm, TASK_COMM_LEN);
                 __entry->prev_pid       = prev->pid;
                 __entry->prev_prio      = prev->prio;
-                __entry->prev_state     = prev->state;
+                __entry->prev_state     = __trace_sched_switch_state(prev);
                 memcpy(__entry->prev_comm, prev->comm, TASK_COMM_LEN);
                 __entry->next_pid       = next->pid;
                 __entry->next_prio      = next->prio;
diff --git a/include/trace/events/signal.h b/include/trace/events/signal.h
index 814566c99d29..17df43464df0 100644
--- a/include/trace/events/signal.h
+++ b/include/trace/events/signal.h
@@ -10,7 +10,8 @@
 
 #define TP_STORE_SIGINFO(__entry, info)                         \
         do {                                                    \
-                if (info == SEND_SIG_NOINFO) {                  \
+                if (info == SEND_SIG_NOINFO ||                  \
+                    info == SEND_SIG_FORCED) {                  \
                         __entry->errno  = 0;                    \
                         __entry->code   = SI_USER;              \
                 } else if (info == SEND_SIG_PRIV) {             \
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 88c59c13ea7b..5a64905d7278 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -62,10 +62,13 @@
                 struct trace_entry      ent;                            \
                 tstruct                                                 \
                 char                    __data[0];                      \
-        };
+        };                                                              \
+                                                                        \
+        static struct ftrace_event_class event_class_##name;
+
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)       \
-        static struct ftrace_event_call                 \
+        static struct ftrace_event_call __used          \
         __attribute__((__aligned__(4))) event_##name
 
 #undef DEFINE_EVENT_PRINT
@@ -147,7 +150,7 @@
  *
  *      entry = iter->ent;
  *
- *      if (entry->type != event_<call>.id) {
+ *      if (entry->type != event_<call>->event.type) {
  *              WARN_ON_ONCE(1);
  *              return TRACE_TYPE_UNHANDLED;
  *      }
@@ -206,18 +209,22 @@
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)  \
 static notrace enum print_line_t                                        \
-ftrace_raw_output_id_##call(int event_id, const char *name,             \
-                            struct trace_iterator *iter, int flags)     \
+ftrace_raw_output_##call(struct trace_iterator *iter, int flags,        \
+                         struct trace_event *trace_event)               \
 {                                                                       \
+        struct ftrace_event_call *event;                                \
         struct trace_seq *s = &iter->seq;                               \
         struct ftrace_raw_##call *field;                                \
         struct trace_entry *entry;                                      \
         struct trace_seq *p;                                            \
         int ret;                                                        \
                                                                         \
+        event = container_of(trace_event, struct ftrace_event_call,     \
+                             event);                                    \
+                                                                        \
         entry = iter->ent;                                              \
                                                                         \
-        if (entry->type != event_id) {                                  \
+        if (entry->type != event->event.type) {                         \
                 WARN_ON_ONCE(1);                                        \
                 return TRACE_TYPE_UNHANDLED;                            \
         }                                                               \
@@ -226,7 +233,7 @@ ftrace_raw_output_id_##call(int event_id, const char *name,		\
                                                                         \
         p = &get_cpu_var(ftrace_event_seq);                             \
         trace_seq_init(p);                                              \
-        ret = trace_seq_printf(s, "%s: ", name);                        \
+        ret = trace_seq_printf(s, "%s: ", event->name);                 \
         if (ret)                                                        \
                 ret = trace_seq_printf(s, print);                       \
         put_cpu();                                                      \
@@ -234,21 +241,16 @@ ftrace_raw_output_id_##call(int event_id, const char *name,		\
                 return TRACE_TYPE_PARTIAL_LINE;                         \
                                                                         \
         return TRACE_TYPE_HANDLED;                                      \
-}
-
-#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, name, proto, args)                       \
-static notrace enum print_line_t                                        \
-ftrace_raw_output_##name(struct trace_iterator *iter, int flags)        \
-{                                                                       \
-        return ftrace_raw_output_id_##template(event_##name.id,         \
-                                               #name, iter, flags);     \
-}
+}                                                                       \
+static struct trace_event_functions ftrace_event_type_funcs_##call = {  \
+        .trace                  = ftrace_raw_output_##call,             \
+};
 
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)          \
 static notrace enum print_line_t                                        \
-ftrace_raw_output_##call(struct trace_iterator *iter, int flags)        \
+ftrace_raw_output_##call(struct trace_iterator *iter, int flags,        \
+                         struct trace_event *event)                     \
 {                                                                       \
         struct trace_seq *s = &iter->seq;                               \
         struct ftrace_raw_##template *field;                            \
@@ -258,7 +260,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
                                                                         \
         entry = iter->ent;                                              \
                                                                         \
-        if (entry->type != event_##call.id) {                           \
+        if (entry->type != event_##call.event.type) {                   \
                 WARN_ON_ONCE(1);                                        \
                 return TRACE_TYPE_UNHANDLED;                            \
         }                                                               \
@@ -275,7 +277,10 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
                 return TRACE_TYPE_PARTIAL_LINE;                         \
                                                                         \
         return TRACE_TYPE_HANDLED;                                      \
-}
+}                                                                       \
+static struct trace_event_functions ftrace_event_type_funcs_##call = {  \
+        .trace                  = ftrace_raw_output_##call,             \
+};
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
@@ -381,80 +386,18 @@ static inline notrace int ftrace_get_offsets_##call(			\
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
-#ifdef CONFIG_PERF_EVENTS
-
-/*
- * Generate the functions needed for tracepoint perf_event support.
- *
- * NOTE: The insertion profile callback (ftrace_profile_<call>) is defined later
- *
- * static int ftrace_profile_enable_<call>(void)
- * {
- *      return register_trace_<call>(ftrace_profile_<call>);
- * }
- *
- * static void ftrace_profile_disable_<call>(void)
- * {
- *      unregister_trace_<call>(ftrace_profile_<call>);
- * }
- *
- */
-
-#undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)
-
-#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, name, proto, args)                       \
-                                                                        \
-static void perf_trace_##name(proto);                                   \
-                                                                        \
-static notrace int                                                      \
-perf_trace_enable_##name(struct ftrace_event_call *unused)              \
-{                                                                       \
-        return register_trace_##name(perf_trace_##name);                \
-}                                                                       \
-                                                                        \
-static notrace void                                                     \
-perf_trace_disable_##name(struct ftrace_event_call *unused)             \
-{                                                                       \
-        unregister_trace_##name(perf_trace_##name);                     \
-}
-
-#undef DEFINE_EVENT_PRINT
-#define DEFINE_EVENT_PRINT(template, name, proto, args, print)  \
-        DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
-
-#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
-
-#endif /* CONFIG_PERF_EVENTS */
-
 /*
  * Stage 4 of the trace events.
  *
  * Override the macros in <trace/trace_events.h> to include the following:
  *
- * static void ftrace_event_<call>(proto)
- * {
- *      event_trace_printk(_RET_IP_, "<call>: " <fmt>);
- * }
- *
- * static int ftrace_reg_event_<call>(struct ftrace_event_call *unused)
- * {
- *      return register_trace_<call>(ftrace_event_<call>);
- * }
- *
- * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
- * {
- *      unregister_trace_<call>(ftrace_event_<call>);
- * }
- *
- *
  * For those macros defined with TRACE_EVENT:
  *
  * static struct ftrace_event_call event_<call>;
  *
- * static void ftrace_raw_event_<call>(proto)
+ * static void ftrace_raw_event_<call>(void *__data, proto)
  * {
+ *      struct ftrace_event_call *event_call = __data;
  *      struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
  *      struct ring_buffer_event *event;
  *      struct ftrace_raw_<call> *entry; <-- defined in stage 1
@@ -469,7 +412,7 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *      __data_size = ftrace_get_offsets_<call>(&__data_offsets, args);
  *
  *      event = trace_current_buffer_lock_reserve(&buffer,
- *                                event_<call>.id,
+ *                                event_<call>->event.type,
  *                                sizeof(*entry) + __data_size,
  *                                irq_flags, pc);
  *      if (!event)
@@ -484,43 +427,42 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
  *                                                 event, irq_flags, pc);
  * }
  *
- * static int ftrace_raw_reg_event_<call>(struct ftrace_event_call *unused)
- * {
- *      return register_trace_<call>(ftrace_raw_event_<call>);
- * }
- *
- * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
- * {
- *      unregister_trace_<call>(ftrace_raw_event_<call>);
- * }
- *
  * static struct trace_event ftrace_event_type_<call> = {
  *      .trace                  = ftrace_raw_output_<call>, <-- stage 2
  * };
  *
  * static const char print_fmt_<call>[] = <TP_printk>;
  *
+ * static struct ftrace_event_class __used event_class_<template> = {
+ *      .system                 = "<system>",
+ *      .define_fields          = ftrace_define_fields_<call>,
+ *      .fields                 = LIST_HEAD_INIT(event_class_##call.fields),
+ *      .raw_init               = trace_event_raw_init,
+ *      .probe                  = ftrace_raw_event_##call,
+ * };
+ *
  * static struct ftrace_event_call __used
  * __attribute__((__aligned__(4)))
  * __attribute__((section("_ftrace_events"))) event_<call> = {
  *      .name                   = "<call>",
- *      .system                 = "<system>",
- *      .raw_init               = trace_event_raw_init,
- *      .regfunc                = ftrace_reg_event_<call>,
- *      .unregfunc              = ftrace_unreg_event_<call>,
+ *      .class                  = event_class_<template>,
+ *      .event                  = &ftrace_event_type_<call>,
  *      .print_fmt              = print_fmt_<call>,
- *      .define_fields          = ftrace_define_fields_<call>,
- * }
+ * };
  *
  */
 
 #ifdef CONFIG_PERF_EVENTS
 
+#define _TRACE_PERF_PROTO(call, proto)                                  \
+        static notrace void                                             \
+        perf_trace_##call(void *__data, proto);
+
 #define _TRACE_PERF_INIT(call)                                          \
-        .perf_event_enable = perf_trace_enable_##call,                  \
-        .perf_event_disable = perf_trace_disable_##call,
+        .perf_probe             = perf_trace_##call,
 
 #else
+#define _TRACE_PERF_PROTO(call, proto)
 #define _TRACE_PERF_INIT(call)
 #endif /* CONFIG_PERF_EVENTS */
 
@@ -554,9 +496,9 @@ perf_trace_disable_##name(struct ftrace_event_call *unused)		\
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)  \
                                                                         \
 static notrace void                                                     \
-ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,        \
-                                       proto)                           \
+ftrace_raw_event_##call(void *__data, proto)                            \
 {                                                                       \
+        struct ftrace_event_call *event_call = __data;                  \
         struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
         struct ring_buffer_event *event;                                \
         struct ftrace_raw_##call *entry;                                \
@@ -571,7 +513,7 @@ ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,	\
         __data_size = ftrace_get_offsets_##call(&__data_offsets, args); \
                                                                         \
         event = trace_current_buffer_lock_reserve(&buffer,              \
-                                 event_call->id,                        \
+                                 event_call->event.type,                \
                                  sizeof(*entry) + __data_size,          \
                                  irq_flags, pc);                        \
         if (!event)                                                     \
@@ -586,34 +528,21 @@ ftrace_raw_event_id_##call(struct ftrace_event_call *event_call,	\
                 trace_nowake_buffer_unlock_commit(buffer,               \
                                                   event, irq_flags, pc); \
 }
+/*
+ * The ftrace_test_probe is compiled out, it is only here as a build time check
+ * to make sure that if the tracepoint handling changes, the ftrace probe will
+ * fail to compile unless it too is updated.
+ */
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)                       \
-                                                                        \
-static notrace void ftrace_raw_event_##call(proto)                      \
-{                                                                       \
-        ftrace_raw_event_id_##template(&event_##call, args);            \
-}                                                                       \
-                                                                        \
-static notrace int                                                      \
-ftrace_raw_reg_event_##call(struct ftrace_event_call *unused)           \
+static inline void ftrace_test_probe_##call(void)                       \
 {                                                                       \
-        return register_trace_##call(ftrace_raw_event_##call);          \
-}                                                                       \
-                                                                        \
-static notrace void                                                     \
-ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused)         \
-{                                                                       \
-        unregister_trace_##call(ftrace_raw_event_##call);               \
-}                                                                       \
-                                                                        \
-static struct trace_event ftrace_event_type_##call = {                  \
-        .trace                  = ftrace_raw_output_##call,             \
-};
+        check_trace_callback_type_##call(ftrace_raw_event_##template);  \
+}
 
 #undef DEFINE_EVENT_PRINT
-#define DEFINE_EVENT_PRINT(template, name, proto, args, print)  \
-        DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print)
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
@@ -630,7 +559,16 @@ static struct trace_event ftrace_event_type_##call = {			\
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)  \
-static const char print_fmt_##call[] = print;
+_TRACE_PERF_PROTO(call, PARAMS(proto));                                 \
+static const char print_fmt_##call[] = print;                           \
+static struct ftrace_event_class __used event_class_##call = {          \
+        .system                 = __stringify(TRACE_SYSTEM),            \
+        .define_fields          = ftrace_define_fields_##call,          \
+        .fields                 = LIST_HEAD_INIT(event_class_##call.fields),\
+        .raw_init               = trace_event_raw_init,                 \
+        .probe                  = ftrace_raw_event_##call,              \
+        _TRACE_PERF_INIT(call)                                          \
+};
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)                       \
@@ -639,15 +577,10 @@ static struct ftrace_event_call __used					\
 __attribute__((__aligned__(4)))                                         \
 __attribute__((section("_ftrace_events"))) event_##call = {             \
         .name                   = #call,                                \
-        .system                 = __stringify(TRACE_SYSTEM),            \
-        .event                  = &ftrace_event_type_##call,            \
-        .raw_init               = trace_event_raw_init,                 \
-        .regfunc                = ftrace_raw_reg_event_##call,          \
-        .unregfunc              = ftrace_raw_unreg_event_##call,        \
+        .class                  = &event_class_##template,              \
+        .event.funcs            = &ftrace_event_type_funcs_##template,  \
         .print_fmt              = print_fmt_##template,                 \
-        .define_fields          = ftrace_define_fields_##template,      \
-        _TRACE_PERF_INIT(call)                                  \
-}
+};
 
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)          \
@@ -658,14 +591,9 @@ static struct ftrace_event_call __used					\
 __attribute__((__aligned__(4)))                                         \
 __attribute__((section("_ftrace_events"))) event_##call = {             \
         .name                   = #call,                                \
-        .system                 = __stringify(TRACE_SYSTEM),            \
-        .event                  = &ftrace_event_type_##call,            \
-        .raw_init               = trace_event_raw_init,                 \
-        .regfunc                = ftrace_raw_reg_event_##call,          \
-        .unregfunc              = ftrace_raw_unreg_event_##call,        \
+        .class                  = &event_class_##template,              \
+        .event.funcs            = &ftrace_event_type_funcs_##call,      \
         .print_fmt              = print_fmt_##call,                     \
-        .define_fields          = ftrace_define_fields_##template,      \
-        _TRACE_PERF_INIT(call)                                  \
 }
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
@@ -765,17 +693,20 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)  \
 static notrace void                                                     \
-perf_trace_templ_##call(struct ftrace_event_call *event_call,           \
-                        struct pt_regs *__regs, proto)                  \
+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;                                          \
         u64 __addr = 0, __count = 1;                                    \
-        unsigned long irq_flags;                                        \
+        struct hlist_head *head;                                        \
         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));                              \
@@ -784,32 +715,34 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
         if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE,               \
                       "profile buffer not large enough"))               \
                 return;                                                 \
+                                                                        \
         entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare(     \
-                __entry_size, event_call->id, &rctx, &irq_flags);       \
+                __entry_size, event_call->event.type, &__regs, &rctx);  \
         if (!entry)                                                     \
                 return;                                                 \
+                                                                        \
         tstruct                                                         \
                                                                         \
         { assign; }                                                     \
                                                                         \
+        head = this_cpu_ptr(event_call->perf_events);                   \
         perf_trace_buf_submit(entry, __entry_size, rctx, __addr,        \
-                               __count, irq_flags, __regs);             \
+                __count, &__regs, head);                                \
 }
 
+/*
+ * This part is compiled out, it is only here as a build time check
+ * to make sure that if the tracepoint handling changes, the
+ * perf probe will fail to compile unless it too is updated.
+ */
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)                       \
-static notrace void perf_trace_##call(proto)                            \
+static inline void perf_test_probe_##call(void)                         \
 {                                                                       \
-        struct ftrace_event_call *event_call = &event_##call;           \
-        struct pt_regs *__regs = &get_cpu_var(perf_trace_regs);         \
-                                                                        \
-        perf_fetch_caller_regs(__regs, 1);                              \
-                                                                        \
-        perf_trace_templ_##template(event_call, __regs, args);          \
-                                                                        \
-        put_cpu_var(perf_trace_regs);                                   \
+        check_trace_callback_type_##call(perf_trace_##template);        \
 }
 
+
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, name, proto, args, print)  \
         DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index e5e5f48dbfb3..257e08960d7b 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -25,6 +25,8 @@ struct syscall_metadata {
         int             nb_args;
         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;
@@ -34,16 +36,16 @@ struct syscall_metadata {
 extern unsigned long arch_syscall_addr(int nr);
 extern int init_syscall_trace(struct ftrace_event_call *call);
 
-extern int syscall_enter_define_fields(struct ftrace_event_call *call);
-extern int syscall_exit_define_fields(struct ftrace_event_call *call);
 extern int reg_event_syscall_enter(struct ftrace_event_call *call);
 extern void unreg_event_syscall_enter(struct ftrace_event_call *call);
 extern int reg_event_syscall_exit(struct ftrace_event_call *call);
 extern void unreg_event_syscall_exit(struct ftrace_event_call *call);
 extern int
 ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s);
-enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags);
-enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
+enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags,
+                                      struct trace_event *event);
+enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags,
+                                     struct trace_event *event);
 #endif
 
 #ifdef CONFIG_PERF_EVENTS