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: (61 commits)
  tracing: Add __used annotation to event variable
  perf, trace: Fix !x86 build bug
  perf report: Support multiple events on the TUI
  perf annotate: Fix up usage of the build id cache
  x86/mmiotrace: Remove redundant instruction prefix checks
  perf annotate: Add TUI interface
  perf tui: Remove annotate from popup menu after failure
  perf report: Don't start the TUI if -D is used
  perf: Fix getline undeclared
  perf: Optimize perf_tp_event_match()
  perf: Remove more code from the fastpath
  perf: Optimize the !vmalloc backed buffer
  perf: Optimize perf_output_copy()
  perf: Fix wakeup storm for RO mmap()s
  perf-record: Share per-cpu buffers
  perf-record: Remove -M
  perf: Ensure that IOC_OUTPUT isn't used to create multi-writer buffers
  perf, trace: Optimize tracepoints by using per-tracepoint-per-cpu hlist to track events
  perf, trace: Optimize tracepoints by removing IRQ-disable from perf/tracepoint interaction
  perf tui: Allow disabling the TUI on a per command basis in ~/.perfconfig
  ...

1 files changed, 92 insertions, 45 deletions

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index ab13d7008061..57c1b4596470 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -742,6 +742,9 @@ int register_ftrace_event(struct trace_event *event)
         if (WARN_ON(!event))
                 goto out;
 
+        if (WARN_ON(!event->funcs))
+                goto out;
+
         INIT_LIST_HEAD(&event->list);
 
         if (!event->type) {
@@ -774,14 +777,14 @@ int register_ftrace_event(struct trace_event *event)
                         goto out;
         }
 
-        if (event->trace == NULL)
-                event->trace = trace_nop_print;
-        if (event->raw == NULL)
-                event->raw = trace_nop_print;
-        if (event->hex == NULL)
-                event->hex = trace_nop_print;
-        if (event->binary == NULL)
-                event->binary = trace_nop_print;
+        if (event->funcs->trace == NULL)
+                event->funcs->trace = trace_nop_print;
+        if (event->funcs->raw == NULL)
+                event->funcs->raw = trace_nop_print;
+        if (event->funcs->hex == NULL)
+                event->funcs->hex = trace_nop_print;
+        if (event->funcs->binary == NULL)
+                event->funcs->binary = trace_nop_print;
 
         key = event->type & (EVENT_HASHSIZE - 1);
 
@@ -823,13 +826,15 @@ EXPORT_SYMBOL_GPL(unregister_ftrace_event);
  * Standard events
  */
 
-enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags)
+enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags,
+                                  struct trace_event *event)
 {
         return TRACE_TYPE_HANDLED;
 }
 
 /* TRACE_FN */
-static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags,
+                                        struct trace_event *event)
 {
         struct ftrace_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -856,7 +861,8 @@ static enum print_line_t trace_fn_trace(struct trace_iterator *iter, int flags)
         return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static enum print_line_t trace_fn_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_raw(struct trace_iterator *iter, int flags,
+                                      struct trace_event *event)
 {
         struct ftrace_entry *field;
 
@@ -870,7 +876,8 @@ static enum print_line_t trace_fn_raw(struct trace_iterator *iter, int flags)
         return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_fn_hex(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_hex(struct trace_iterator *iter, int flags,
+                                      struct trace_event *event)
 {
         struct ftrace_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -883,7 +890,8 @@ static enum print_line_t trace_fn_hex(struct trace_iterator *iter, int flags)
         return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_fn_bin(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_fn_bin(struct trace_iterator *iter, int flags,
+                                      struct trace_event *event)
 {
         struct ftrace_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -896,14 +904,18 @@ static enum print_line_t trace_fn_bin(struct trace_iterator *iter, int flags)
         return TRACE_TYPE_HANDLED;
 }
 
-static struct trace_event trace_fn_event = {
-        .type           = TRACE_FN,
+static struct trace_event_functions trace_fn_funcs = {
         .trace          = trace_fn_trace,
         .raw            = trace_fn_raw,
         .hex            = trace_fn_hex,
         .binary         = trace_fn_bin,
 };
 
+static struct trace_event trace_fn_event = {
+        .type           = TRACE_FN,
+        .funcs          = &trace_fn_funcs,
+};
+
 /* TRACE_CTX an TRACE_WAKE */
 static enum print_line_t trace_ctxwake_print(struct trace_iterator *iter,
                                              char *delim)
@@ -932,13 +944,14 @@ static enum print_line_t trace_ctxwake_print(struct trace_iterator *iter,
         return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_ctx_print(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_ctx_print(struct trace_iterator *iter, int flags,
+                                         struct trace_event *event)
 {
         return trace_ctxwake_print(iter, "==>");
 }
 
 static enum print_line_t trace_wake_print(struct trace_iterator *iter,
-                                          int flags)
+                                          int flags, struct trace_event *event)
 {
         return trace_ctxwake_print(iter, "  +");
 }
@@ -966,12 +979,14 @@ static int trace_ctxwake_raw(struct trace_iterator *iter, char S)
         return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_ctx_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_ctx_raw(struct trace_iterator *iter, int flags,
+                                       struct trace_event *event)
 {
         return trace_ctxwake_raw(iter, 0);
 }
 
-static enum print_line_t trace_wake_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_wake_raw(struct trace_iterator *iter, int flags,
+                                        struct trace_event *event)
 {
         return trace_ctxwake_raw(iter, '+');
 }
@@ -1000,18 +1015,20 @@ static int trace_ctxwake_hex(struct trace_iterator *iter, char S)
         return TRACE_TYPE_HANDLED;
 }
 
-static enum print_line_t trace_ctx_hex(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_ctx_hex(struct trace_iterator *iter, int flags,
+                                       struct trace_event *event)
 {
         return trace_ctxwake_hex(iter, 0);
 }
 
-static enum print_line_t trace_wake_hex(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_wake_hex(struct trace_iterator *iter, int flags,
+                                        struct trace_event *event)
 {
         return trace_ctxwake_hex(iter, '+');
 }
 
 static enum print_line_t trace_ctxwake_bin(struct trace_iterator *iter,
-                                           int flags)
+                                           int flags, struct trace_event *event)
 {
         struct ctx_switch_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -1028,25 +1045,33 @@ static enum print_line_t trace_ctxwake_bin(struct trace_iterator *iter,
         return TRACE_TYPE_HANDLED;
 }
 
-static struct trace_event trace_ctx_event = {
-        .type           = TRACE_CTX,
+static struct trace_event_functions trace_ctx_funcs = {
         .trace          = trace_ctx_print,
         .raw            = trace_ctx_raw,
         .hex            = trace_ctx_hex,
         .binary         = trace_ctxwake_bin,
 };
 
-static struct trace_event trace_wake_event = {
-        .type           = TRACE_WAKE,
+static struct trace_event trace_ctx_event = {
+        .type           = TRACE_CTX,
+        .funcs          = &trace_ctx_funcs,
+};
+
+static struct trace_event_functions trace_wake_funcs = {
         .trace          = trace_wake_print,
         .raw            = trace_wake_raw,
         .hex            = trace_wake_hex,
         .binary         = trace_ctxwake_bin,
 };
 
+static struct trace_event trace_wake_event = {
+        .type           = TRACE_WAKE,
+        .funcs          = &trace_wake_funcs,
+};
+
 /* TRACE_SPECIAL */
 static enum print_line_t trace_special_print(struct trace_iterator *iter,
-                                             int flags)
+                                             int flags, struct trace_event *event)
 {
         struct special_entry *field;
 
@@ -1062,7 +1087,7 @@ static enum print_line_t trace_special_print(struct trace_iterator *iter,
 }
 
 static enum print_line_t trace_special_hex(struct trace_iterator *iter,
-                                           int flags)
+                                           int flags, struct trace_event *event)
 {
         struct special_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -1077,7 +1102,7 @@ static enum print_line_t trace_special_hex(struct trace_iterator *iter,
 }
 
 static enum print_line_t trace_special_bin(struct trace_iterator *iter,
-                                           int flags)
+                                           int flags, struct trace_event *event)
 {
         struct special_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -1091,18 +1116,22 @@ static enum print_line_t trace_special_bin(struct trace_iterator *iter,
         return TRACE_TYPE_HANDLED;
 }
 
-static struct trace_event trace_special_event = {
-        .type           = TRACE_SPECIAL,
+static struct trace_event_functions trace_special_funcs = {
         .trace          = trace_special_print,
         .raw            = trace_special_print,
         .hex            = trace_special_hex,
         .binary         = trace_special_bin,
 };
 
+static struct trace_event trace_special_event = {
+        .type           = TRACE_SPECIAL,
+        .funcs          = &trace_special_funcs,
+};
+
 /* TRACE_STACK */
 
 static enum print_line_t trace_stack_print(struct trace_iterator *iter,
-                                           int flags)
+                                           int flags, struct trace_event *event)
 {
         struct stack_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -1130,17 +1159,21 @@ static enum print_line_t trace_stack_print(struct trace_iterator *iter,
         return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static struct trace_event trace_stack_event = {
-        .type           = TRACE_STACK,
+static struct trace_event_functions trace_stack_funcs = {
         .trace          = trace_stack_print,
         .raw            = trace_special_print,
         .hex            = trace_special_hex,
         .binary         = trace_special_bin,
 };
 
+static struct trace_event trace_stack_event = {
+        .type           = TRACE_STACK,
+        .funcs          = &trace_stack_funcs,
+};
+
 /* TRACE_USER_STACK */
 static enum print_line_t trace_user_stack_print(struct trace_iterator *iter,
-                                                int flags)
+                                                int flags, struct trace_event *event)
 {
         struct userstack_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -1159,17 +1192,22 @@ static enum print_line_t trace_user_stack_print(struct trace_iterator *iter,
         return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static struct trace_event trace_user_stack_event = {
-        .type           = TRACE_USER_STACK,
+static struct trace_event_functions trace_user_stack_funcs = {
         .trace          = trace_user_stack_print,
         .raw            = trace_special_print,
         .hex            = trace_special_hex,
         .binary         = trace_special_bin,
 };
 
+static struct trace_event trace_user_stack_event = {
+        .type           = TRACE_USER_STACK,
+        .funcs          = &trace_user_stack_funcs,
+};
+
 /* TRACE_BPRINT */
 static enum print_line_t
-trace_bprint_print(struct trace_iterator *iter, int flags)
+trace_bprint_print(struct trace_iterator *iter, int flags,
+                   struct trace_event *event)
 {
         struct trace_entry *entry = iter->ent;
         struct trace_seq *s = &iter->seq;
@@ -1194,7 +1232,8 @@ trace_bprint_print(struct trace_iterator *iter, int flags)
 
 
 static enum print_line_t
-trace_bprint_raw(struct trace_iterator *iter, int flags)
+trace_bprint_raw(struct trace_iterator *iter, int flags,
+                 struct trace_event *event)
 {
         struct bprint_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -1213,16 +1252,19 @@ trace_bprint_raw(struct trace_iterator *iter, int flags)
         return TRACE_TYPE_PARTIAL_LINE;
 }
 
+static struct trace_event_functions trace_bprint_funcs = {
+        .trace          = trace_bprint_print,
+        .raw            = trace_bprint_raw,
+};
 
 static struct trace_event trace_bprint_event = {
         .type           = TRACE_BPRINT,
-        .trace          = trace_bprint_print,
-        .raw            = trace_bprint_raw,
+        .funcs          = &trace_bprint_funcs,
 };
 
 /* TRACE_PRINT */
 static enum print_line_t trace_print_print(struct trace_iterator *iter,
-                                           int flags)
+                                           int flags, struct trace_event *event)
 {
         struct print_entry *field;
         struct trace_seq *s = &iter->seq;
@@ -1241,7 +1283,8 @@ static enum print_line_t trace_print_print(struct trace_iterator *iter,
         return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags)
+static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags,
+                                         struct trace_event *event)
 {
         struct print_entry *field;
 
@@ -1256,12 +1299,16 @@ static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags)
         return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static struct trace_event trace_print_event = {
-        .type           = TRACE_PRINT,
+static struct trace_event_functions trace_print_funcs = {
         .trace          = trace_print_print,
         .raw            = trace_print_raw,
 };
 
+static struct trace_event trace_print_event = {
+        .type           = TRACE_PRINT,
+        .funcs          = &trace_print_funcs,
+};
+
 
 static struct trace_event *events[] __initdata = {
         &trace_fn_event,