Merge branch 'perf/parse-events-4' of git://github.com/fweisbec/tracing into perf/core

Conflicts:
	tools/perf/Makefile

This tree from Frederic unifies the perf and trace-cmd trace event format
parsing code into a single library.

Powertop and other tools will also be able to make use of it.
Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/lib/traceevent/Makefile

+# trace-cmd version
+EP_VERSION = 1
+EP_PATCHLEVEL = 1
+EP_EXTRAVERSION = 0
+
+# file format version
+FILE_VERSION = 6
+
+MAKEFLAGS += --no-print-directory
+
+
+# Makefiles suck: This macro sets a default value of $(2) for the
+# variable named by $(1), unless the variable has been set by
+# environment or command line. This is necessary for CC and AR
+# because make sets default values, so the simpler ?= approach
+# won't work as expected.
+define allow-override
+  $(if $(or $(findstring environment,$(origin $(1))),\
+            $(findstring command line,$(origin $(1)))),,\
+    $(eval $(1) = $(2)))
+endef
+
+# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
+$(call allow-override,CC,$(CROSS_COMPILE)gcc)
+$(call allow-override,AR,$(CROSS_COMPILE)ar)
+
+EXT = -std=gnu99
+INSTALL = install
+
+# Use DESTDIR for installing into a different root directory.
+# This is useful for building a package. The program will be
+# installed in this directory as if it was the root directory.
+# Then the build tool can move it later.
+DESTDIR ?=
+DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
+
+prefix ?= /usr/local
+bindir_relative = bin
+bindir = $(prefix)/$(bindir_relative)
+man_dir = $(prefix)/share/man
+man_dir_SQ = '$(subst ','\'',$(man_dir))'
+html_install = $(prefix)/share/kernelshark/html
+html_install_SQ = '$(subst ','\'',$(html_install))'
+img_install = $(prefix)/share/kernelshark/html/images
+img_install_SQ = '$(subst ','\'',$(img_install))'
+
+export man_dir man_dir_SQ html_install html_install_SQ INSTALL
+export img_install img_install_SQ
+export DESTDIR DESTDIR_SQ
+
+# copy a bit from Linux kbuild
+
+ifeq ("$(origin V)", "command line")
+  VERBOSE = $(V)
+endif
+ifndef VERBOSE
+  VERBOSE = 0
+endif
+
+ifeq ("$(origin O)", "command line")
+  BUILD_OUTPUT := $(O)
+endif
+
+ifeq ($(BUILD_SRC),)
+ifneq ($(BUILD_OUTPUT),)
+
+define build_output
+	$(if $(VERBOSE:1=),@)$(MAKE) -C $(BUILD_OUTPUT) 	\
+	BUILD_SRC=$(CURDIR) -f $(CURDIR)/Makefile $1
+endef
+
+saved-output := $(BUILD_OUTPUT)
+BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
+$(if $(BUILD_OUTPUT),, \
+     $(error output directory "$(saved-output)" does not exist))
+
+all: sub-make
+
+gui: force
+	$(call build_output, all_cmd)
+
+$(filter-out gui,$(MAKECMDGOALS)): sub-make
+
+sub-make: force
+	$(call build_output, $(MAKECMDGOALS))
+
+
+# Leave processing to above invocation of make
+skip-makefile := 1
+
+endif # BUILD_OUTPUT
+endif # BUILD_SRC
+
+# We process the rest of the Makefile if this is the final invocation of make
+ifeq ($(skip-makefile),)
+
+srctree		:= $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
+objtree		:= $(CURDIR)
+src		:= $(srctree)
+obj		:= $(objtree)
+
+export prefix bindir src obj
+
+# Shell quotes
+bindir_SQ = $(subst ','\'',$(bindir))
+bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
+
+LIB_FILE = libtraceevent.a libtraceevent.so
+
+CONFIG_INCLUDES = 
+CONFIG_LIBS	=
+CONFIG_FLAGS	=
+
+VERSION		= $(EP_VERSION)
+PATCHLEVEL	= $(EP_PATCHLEVEL)
+EXTRAVERSION	= $(EP_EXTRAVERSION)
+
+OBJ		= $@
+N		=
+
+export Q VERBOSE
+
+EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
+
+INCLUDES = -I. -I/usr/local/include $(CONFIG_INCLUDES)
+
+# Set compile option CFLAGS if not set elsewhere
+CFLAGS ?= -g -Wall
+
+# Append required CFLAGS
+override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
+override CFLAGS += $(udis86-flags)
+
+ifeq ($(VERBOSE),1)
+  Q =
+  print_compile =
+  print_app_build =
+  print_fpic_compile =
+  print_shared_lib_compile =
+  print_plugin_obj_compile =
+  print_plugin_build =
+  print_install =
+else
+  Q = @
+  print_compile =		echo '  CC                 '$(OBJ);
+  print_app_build =		echo '  BUILD              '$(OBJ);
+  print_fpic_compile =		echo '  CC FPIC            '$(OBJ);
+  print_shared_lib_compile =	echo '  BUILD SHARED LIB   '$(OBJ);
+  print_plugin_obj_compile =	echo '  CC PLUGIN OBJ      '$(OBJ);
+  print_plugin_build =		echo '  CC PLUGI           '$(OBJ);
+  print_static_lib_build =	echo '  BUILD STATIC LIB   '$(OBJ);
+  print_install =		echo '  INSTALL     '$1'	to	$(DESTDIR_SQ)$2';
+endif
+
+do_fpic_compile =					\
+	($(print_fpic_compile)				\
+	$(CC) -c $(CFLAGS) $(EXT) -fPIC $< -o $@)
+
+do_app_build =						\
+	($(print_app_build)				\
+	$(CC) $^ -rdynamic -o $@ $(CONFIG_LIBS) $(LIBS))
+
+do_compile_shared_library =			\
+	($(print_shared_lib_compile)		\
+	$(CC) --shared $^ -o $@)
+
+do_compile_plugin_obj =				\
+	($(print_plugin_obj_compile)		\
+	$(CC) -c $(CFLAGS) -fPIC -o $@ $<)
+
+do_plugin_build =				\
+	($(print_plugin_build)			\
+	$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $<)
+
+do_build_static_lib =				\
+	($(print_static_lib_build)		\
+	$(RM) $@;  $(AR) rcs $@ $^)
+
+
+define do_compile
+	$(print_compile)						\
+	$(CC) -c $(CFLAGS) $(EXT) $< -o $(obj)/$@;
+endef
+
+$(obj)/%.o: $(src)/%.c
+	$(Q)$(call do_compile)
+
+%.o: $(src)/%.c
+	$(Q)$(call do_compile)
+
+PEVENT_LIB_OBJS = event-parse.o trace-seq.o parse-filter.o parse-utils.o
+
+ALL_OBJS = $(PEVENT_LIB_OBJS)
+
+CMD_TARGETS = $(LIB_FILE)
+
+TARGETS = $(CMD_TARGETS)
+
+
+all: all_cmd
+
+all_cmd: $(CMD_TARGETS)
+
+libtraceevent.so: $(PEVENT_LIB_OBJS)
+	$(Q)$(do_compile_shared_library)
+
+libtraceevent.a: $(PEVENT_LIB_OBJS)
+	$(Q)$(do_build_static_lib)
+
+$(PEVENT_LIB_OBJS): %.o: $(src)/%.c
+	$(Q)$(do_fpic_compile)
+
+define make_version.h
+	(echo '/* This file is automatically generated. Do not modify. */';		\
+	echo \#define VERSION_CODE $(shell						\
+	expr $(VERSION) \* 256 + $(PATCHLEVEL));					\
+	echo '#define EXTRAVERSION ' $(EXTRAVERSION);					\
+	echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"';	\
+	echo '#define FILE_VERSION '$(FILE_VERSION);					\
+	) > $1
+endef
+
+define update_version.h
+	($(call make_version.h, $@.tmp);		\
+	if [ -r $@ ] && cmp -s $@ $@.tmp; then		\
+		rm -f $@.tmp;				\
+	else						\
+		echo '  UPDATE                 $@';	\
+		mv -f $@.tmp $@;			\
+	fi);
+endef
+
+ep_version.h: force
+	$(Q)$(N)$(call update_version.h)
+
+VERSION_FILES = ep_version.h
+
+define update_dir
+	(echo $1 > $@.tmp;	\
+	if [ -r $@ ] && cmp -s $@ $@.tmp; then		\
+		rm -f $@.tmp;				\
+	else						\
+		echo '  UPDATE                 $@';	\
+		mv -f $@.tmp $@;			\
+	fi);
+endef
+
+## make deps
+
+all_objs := $(sort $(ALL_OBJS))
+all_deps := $(all_objs:%.o=.%.d)
+
+define check_deps
+		$(CC) -M $(CFLAGS) $< > $@;
+endef
+
+$(gui_deps): ks_version.h
+$(non_gui_deps): tc_version.h
+
+$(all_deps): .%.d: $(src)/%.c
+	$(Q)$(call check_deps)
+
+$(all_objs) : %.o : .%.d
+
+dep_includes := $(wildcard $(all_deps))
+
+ifneq ($(dep_includes),)
+ include $(dep_includes)
+endif
+
+tags:	force
+	$(RM) tags
+	find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px
+
+TAGS:	force
+	$(RM) TAGS
+	find . -name '*.[ch]' | xargs etags
+
+define do_install
+	$(print_install)				\
+	if [ ! -d '$(DESTDIR_SQ)$2' ]; then		\
+		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2';	\
+	fi;						\
+	$(INSTALL) $1 '$(DESTDIR_SQ)$2'
+endef
+
+install_lib: all_cmd install_plugins install_python
+	$(Q)$(call do_install,$(LIB_FILE),$(bindir_SQ))
+
+install: install_lib
+
+clean:
+	$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES).*.d
+	$(RM) tags TAGS
+
+endif # skip-makefile
+
+PHONY += force
+force:
+
+# Declare the contents of the .PHONY variable as phony.  We keep that
+# information in a variable so we can use it in if_changed and friends.
+.PHONY: $(PHONY)

tools/lib/traceevent/event-utils.h

+/*
+ * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License (not later!)
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+#ifndef __UTIL_H
+#define __UTIL_H
+
+#include <ctype.h>
+
+/* Can be overridden */
+void die(const char *fmt, ...);
+void *malloc_or_die(unsigned int size);
+void warning(const char *fmt, ...);
+void pr_stat(const char *fmt, ...);
+void vpr_stat(const char *fmt, va_list ap);
+
+/* Always available */
+void __die(const char *fmt, ...);
+void __warning(const char *fmt, ...);
+void __pr_stat(const char *fmt, ...);
+
+void __vdie(const char *fmt, ...);
+void __vwarning(const char *fmt, ...);
+void __vpr_stat(const char *fmt, ...);
+
+static inline char *strim(char *string)
+{
+	char *ret;
+
+	if (!string)
+		return NULL;
+	while (*string) {
+		if (!isspace(*string))
+			break;
+		string++;
+	}
+	ret = string;
+
+	string = ret + strlen(ret) - 1;
+	while (string > ret) {
+		if (!isspace(*string))
+			break;
+		string--;
+	}
+	string[1] = 0;
+
+	return ret;
+}
+
+static inline int has_text(const char *text)
+{
+	if (!text)
+		return 0;
+
+	while (*text) {
+		if (!isspace(*text))
+			return 1;
+		text++;
+	}
+
+	return 0;
+}
+
+#endif

tools/lib/traceevent/parse-utils.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+
+#define __weak __attribute__((weak))
+
+void __vdie(const char *fmt, va_list ap)
+{
+	int ret = errno;
+
+	if (errno)
+		perror("trace-cmd");
+	else
+		ret = -1;
+
+	fprintf(stderr, "  ");
+	vfprintf(stderr, fmt, ap);
+
+	fprintf(stderr, "\n");
+	exit(ret);
+}
+
+void __die(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vdie(fmt, ap);
+	va_end(ap);
+}
+
+void __weak die(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vdie(fmt, ap);
+	va_end(ap);
+}
+
+void __vwarning(const char *fmt, va_list ap)
+{
+	if (errno)
+		perror("trace-cmd");
+	errno = 0;
+
+	fprintf(stderr, "  ");
+	vfprintf(stderr, fmt, ap);
+
+	fprintf(stderr, "\n");
+}
+
+void __warning(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vwarning(fmt, ap);
+	va_end(ap);
+}
+
+void __weak warning(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vwarning(fmt, ap);
+	va_end(ap);
+}
+
+void __vpr_stat(const char *fmt, va_list ap)
+{
+	vprintf(fmt, ap);
+	printf("\n");
+}
+
+void __pr_stat(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vpr_stat(fmt, ap);
+	va_end(ap);
+}
+
+void __weak vpr_stat(const char *fmt, va_list ap)
+{
+	__vpr_stat(fmt, ap);
+}
+
+void __weak pr_stat(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vpr_stat(fmt, ap);
+	va_end(ap);
+}
+
+void __weak *malloc_or_die(unsigned int size)
+{
+	void *data;
+
+	data = malloc(size);
+	if (!data)
+		die("malloc");
+	return data;
+}

tools/lib/traceevent/trace-seq.c

+/*
+ * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License (not later!)
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "event-parse.h"
+#include "event-utils.h"
+
+/*
+ * The TRACE_SEQ_POISON is to catch the use of using
+ * a trace_seq structure after it was destroyed.
+ */
+#define TRACE_SEQ_POISON	((void *)0xdeadbeef)
+#define TRACE_SEQ_CHECK(s)						\
+do {									\
+	if ((s)->buffer == TRACE_SEQ_POISON)			\
+		die("Usage of trace_seq after it was destroyed");	\
+} while (0)
+
+/**
+ * trace_seq_init - initialize the trace_seq structure
+ * @s: a pointer to the trace_seq structure to initialize
+ */
+void trace_seq_init(struct trace_seq *s)
+{
+	s->len = 0;
+	s->readpos = 0;
+	s->buffer_size = TRACE_SEQ_BUF_SIZE;
+	s->buffer = malloc_or_die(s->buffer_size);
+}
+
+/**
+ * trace_seq_destroy - free up memory of a trace_seq
+ * @s: a pointer to the trace_seq to free the buffer
+ *
+ * Only frees the buffer, not the trace_seq struct itself.
+ */
+void trace_seq_destroy(struct trace_seq *s)
+{
+	if (!s)
+		return;
+	TRACE_SEQ_CHECK(s);
+	free(s->buffer);
+	s->buffer = TRACE_SEQ_POISON;
+}
+
+static void expand_buffer(struct trace_seq *s)
+{
+	s->buffer_size += TRACE_SEQ_BUF_SIZE;
+	s->buffer = realloc(s->buffer, s->buffer_size);
+	if (!s->buffer)
+		die("Can't allocate trace_seq buffer memory");
+}
+
+/**
+ * trace_seq_printf - sequence printing of trace information
+ * @s: trace sequence descriptor
+ * @fmt: printf format string
+ *
+ * It returns 0 if the trace oversizes the buffer's free
+ * space, 1 otherwise.
+ *
+ * The tracer may use either sequence operations or its own
+ * copy to user routines. To simplify formating of a trace
+ * trace_seq_printf is used to store strings into a special
+ * buffer (@s). Then the output may be either used by
+ * the sequencer or pulled into another buffer.
+ */
+int
+trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
+{
+	va_list ap;
+	int len;
+	int ret;
+
+	TRACE_SEQ_CHECK(s);
+
+ try_again:
+	len = (s->buffer_size - 1) - s->len;
+
+	va_start(ap, fmt);
+	ret = vsnprintf(s->buffer + s->len, len, fmt, ap);
+	va_end(ap);
+
+	if (ret >= len) {
+		expand_buffer(s);
+		goto try_again;
+	}
+
+	s->len += ret;
+
+	return 1;
+}
+
+/**
+ * trace_seq_vprintf - sequence printing of trace information
+ * @s: trace sequence descriptor
+ * @fmt: printf format string
+ *
+ * The tracer may use either sequence operations or its own
+ * copy to user routines. To simplify formating of a trace
+ * trace_seq_printf is used to store strings into a special
+ * buffer (@s). Then the output may be either used by
+ * the sequencer or pulled into another buffer.
+ */
+int
+trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
+{
+	int len;
+	int ret;
+
+	TRACE_SEQ_CHECK(s);
+
+ try_again:
+	len = (s->buffer_size - 1) - s->len;
+
+	ret = vsnprintf(s->buffer + s->len, len, fmt, args);
+
+	if (ret >= len) {
+		expand_buffer(s);
+		goto try_again;
+	}
+
+	s->len += ret;
+
+	return len;
+}
+
+/**
+ * trace_seq_puts - trace sequence printing of simple string
+ * @s: trace sequence descriptor
+ * @str: simple string to record
+ *
+ * The tracer may use either the sequence operations or its own
+ * copy to user routines. This function records a simple string
+ * into a special buffer (@s) for later retrieval by a sequencer
+ * or other mechanism.
+ */
+int trace_seq_puts(struct trace_seq *s, const char *str)
+{
+	int len;
+
+	TRACE_SEQ_CHECK(s);
+
+	len = strlen(str);
+
+	while (len > ((s->buffer_size - 1) - s->len))
+		expand_buffer(s);
+
+	memcpy(s->buffer + s->len, str, len);
+	s->len += len;
+
+	return len;
+}
+
+int trace_seq_putc(struct trace_seq *s, unsigned char c)
+{
+	TRACE_SEQ_CHECK(s);
+
+	while (s->len >= (s->buffer_size - 1))
+		expand_buffer(s);
+
+	s->buffer[s->len++] = c;
+
+	return 1;
+}
+
+void trace_seq_terminate(struct trace_seq *s)
+{
+	TRACE_SEQ_CHECK(s);
+
+	/* There's always one character left on the buffer */
+	s->buffer[s->len] = 0;
+}
+
+int trace_seq_do_printf(struct trace_seq *s)
+{
+	TRACE_SEQ_CHECK(s);
+	return printf("%.*s", s->len, s->buffer);
+}

tools/perf/Makefile

@@ -149,7 +149,7 @@ endif
 
 ### --- END CONFIGURATION SECTION ---
 
-BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)/util -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
+BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)/util -I$(EVENT_PARSE_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 BASIC_LDFLAGS =
 
 # Guard against environment variables
@@ -178,6 +178,17 @@ $(OUTPUT)python/perf.so: $(PYRF_OBJS) $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS)
 
 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))
 
+EVENT_PARSE_DIR = ../lib/traceevent/
+
+ifeq ("$(origin O)", "command line")
+	EP_PATH=$(OUTPUT)/
+else
+	EP_PATH=$(EVENT_PARSE_DIR)/
+endif
+
+LIBPARSEVENT = $(EP_PATH)libtraceevent.a
+EP_LIB := -L$(EP_PATH) -ltraceevent
+
 #
 # Single 'perf' binary right now:
 #
@@ -300,6 +311,7 @@ LIB_H += util/cpumap.h
 LIB_H += util/top.h
 LIB_H += $(ARCH_INCLUDE)
 LIB_H += util/cgroup.h
+LIB_H += $(EVENT_PARSE_DIR)event-parse.h
 LIB_H += util/target.h
 
 LIB_OBJS += $(OUTPUT)util/abspath.o
@@ -398,7 +410,7 @@ BUILTIN_OBJS += $(OUTPUT)builtin-kvm.o
 BUILTIN_OBJS += $(OUTPUT)builtin-test.o
 BUILTIN_OBJS += $(OUTPUT)builtin-inject.o
 
-PERFLIBS = $(LIB_FILE)
+PERFLIBS = $(LIB_FILE) $(LIBPARSEVENT)
 
 # Files needed for the python binding, perf.so
 # pyrf is just an internal name needed for all those wrappers.
@@ -807,6 +819,10 @@ $(sort $(dir $(DIRECTORY_DEPS))):
 $(LIB_FILE): $(LIB_OBJS)
 	$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIB_OBJS)
 
+# libparsevent.a
+$(LIBPARSEVENT):
+	make -C $(EVENT_PARSE_DIR) $(COMMAND_O) libtraceevent.a
+
 help:
 	@echo 'Perf make targets:'
 	@echo '  doc		- make *all* documentation (see below)'

tools/perf/builtin-kmem.c

@@ -192,7 +192,7 @@ static void insert_caller_stat(unsigned long call_site,
 }
 
 static void process_alloc_event(void *data,
-				struct event *event,
+				struct event_format *event,
 				int cpu,
 				u64 timestamp __used,
 				struct thread *thread __used,
@@ -253,7 +253,7 @@ static struct alloc_stat *search_alloc_stat(unsigned long ptr,
 }
 
 static void process_free_event(void *data,
-			       struct event *event,
+			       struct event_format *event,
 			       int cpu,
 			       u64 timestamp __used,
 			       struct thread *thread __used)
@@ -281,7 +281,7 @@ static void process_free_event(void *data,
 static void process_raw_event(union perf_event *raw_event __used, void *data,
 			      int cpu, u64 timestamp, struct thread *thread)
 {
-	struct event *event;
+	struct event_format *event;
 	int type;
 
 	type = trace_parse_common_type(data);

tools/perf/builtin-lock.c

@@ -356,25 +356,25 @@ struct trace_release_event {
 
 struct trace_lock_handler {
 	void (*acquire_event)(struct trace_acquire_event *,
-			      struct event *,
+			      struct event_format *,
 			      int cpu,
 			      u64 timestamp,
 			      struct thread *thread);
 
 	void (*acquired_event)(struct trace_acquired_event *,
-			       struct event *,
+			       struct event_format *,
 			       int cpu,
 			       u64 timestamp,
 			       struct thread *thread);
 
 	void (*contended_event)(struct trace_contended_event *,
-				struct event *,
+				struct event_format *,
 				int cpu,
 				u64 timestamp,
 				struct thread *thread);
 
 	void (*release_event)(struct trace_release_event *,
-			      struct event *,
+			      struct event_format *,
 			      int cpu,
 			      u64 timestamp,
 			      struct thread *thread);
@@ -416,7 +416,7 @@ enum acquire_flags {
 
 static void
 report_lock_acquire_event(struct trace_acquire_event *acquire_event,
-			struct event *__event __used,
+			struct event_format *__event __used,
 			int cpu __used,
 			u64 timestamp __used,
 			struct thread *thread __used)
@@ -480,7 +480,7 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event,
 
 static void
 report_lock_acquired_event(struct trace_acquired_event *acquired_event,
-			 struct event *__event __used,
+			 struct event_format *__event __used,
 			 int cpu __used,
 			 u64 timestamp __used,
 			 struct thread *thread __used)
@@ -536,7 +536,7 @@ report_lock_acquired_event(struct trace_acquired_event *acquired_event,
 
 static void
 report_lock_contended_event(struct trace_contended_event *contended_event,
-			  struct event *__event __used,
+			  struct event_format *__event __used,
 			  int cpu __used,
 			  u64 timestamp __used,
 			  struct thread *thread __used)
@@ -583,7 +583,7 @@ report_lock_contended_event(struct trace_contended_event *contended_event,
 
 static void
 report_lock_release_event(struct trace_release_event *release_event,
-			struct event *__event __used,
+			struct event_format *__event __used,
 			int cpu __used,
 			u64 timestamp __used,
 			struct thread *thread __used)
@@ -647,7 +647,7 @@ static struct trace_lock_handler *trace_handler;
 
 static void
 process_lock_acquire_event(void *data,
-			   struct event *event __used,
+			   struct event_format *event __used,
 			   int cpu __used,
 			   u64 timestamp __used,
 			   struct thread *thread __used)
@@ -666,7 +666,7 @@ process_lock_acquire_event(void *data,
 
 static void
 process_lock_acquired_event(void *data,
-			    struct event *event __used,
+			    struct event_format *event __used,
 			    int cpu __used,
 			    u64 timestamp __used,
 			    struct thread *thread __used)
@@ -684,7 +684,7 @@ process_lock_acquired_event(void *data,
 
 static void
 process_lock_contended_event(void *data,
-			     struct event *event __used,
+			     struct event_format *event __used,
 			     int cpu __used,
 			     u64 timestamp __used,
 			     struct thread *thread __used)
@@ -702,7 +702,7 @@ process_lock_contended_event(void *data,
 
 static void
 process_lock_release_event(void *data,
-			   struct event *event __used,
+			   struct event_format *event __used,
 			   int cpu __used,
 			   u64 timestamp __used,
 			   struct thread *thread __used)
@@ -721,7 +721,7 @@ process_lock_release_event(void *data,
 static void
 process_raw_event(void *data, int cpu, u64 timestamp, struct thread *thread)
 {
-	struct event *event;
+	struct event_format *event;
 	int type;
 
 	type = trace_parse_common_type(data);

tools/perf/builtin-sched.c

@@ -728,34 +728,34 @@ struct trace_migrate_task_event {
 struct trace_sched_handler {
 	void (*switch_event)(struct trace_switch_event *,
 			     struct machine *,
-			     struct event *,
+			     struct event_format *,
 			     int cpu,
 			     u64 timestamp,
 			     struct thread *thread);
 
 	void (*runtime_event)(struct trace_runtime_event *,
 			      struct machine *,
-			      struct event *,
+			      struct event_format *,
 			      int cpu,
 			      u64 timestamp,
 			      struct thread *thread);
 
 	void (*wakeup_event)(struct trace_wakeup_event *,
 			     struct machine *,
-			     struct event *,
+			     struct event_format *,
 			     int cpu,
 			     u64 timestamp,
 			     struct thread *thread);
 
 	void (*fork_event)(struct trace_fork_event *,
-			   struct event *,
+			   struct event_format *,
 			   int cpu,
 			   u64 timestamp,
 			   struct thread *thread);
 
 	void (*migrate_task_event)(struct trace_migrate_task_event *,
 			   struct machine *machine,
-			   struct event *,
+			   struct event_format *,
 			   int cpu,
 			   u64 timestamp,
 			   struct thread *thread);
@@ -765,7 +765,7 @@ struct trace_sched_handler {
 static void
 replay_wakeup_event(struct trace_wakeup_event *wakeup_event,
 		    struct machine *machine __used,
-		    struct event *event,
+		    struct event_format *event,
 		    int cpu __used,
 		    u64 timestamp __used,
 		    struct thread *thread __used)
@@ -792,7 +792,7 @@ static u64 cpu_last_switched[MAX_CPUS];
 static void
 replay_switch_event(struct trace_switch_event *switch_event,
 		    struct machine *machine __used,
-		    struct event *event,
+		    struct event_format *event,
 		    int cpu,
 		    u64 timestamp,
 		    struct thread *thread __used)
@@ -835,7 +835,7 @@ replay_switch_event(struct trace_switch_event *switch_event,
 
 static void
 replay_fork_event(struct trace_fork_event *fork_event,
-		  struct event *event,
+		  struct event_format *event,
 		  int cpu __used,
 		  u64 timestamp __used,
 		  struct thread *thread __used)
@@ -944,7 +944,7 @@ static void thread_atoms_insert(struct thread *thread)
 
 static void
 latency_fork_event(struct trace_fork_event *fork_event __used,
-		   struct event *event __used,
+		   struct event_format *event __used,
 		   int cpu __used,
 		   u64 timestamp __used,
 		   struct thread *thread __used)
@@ -1026,7 +1026,7 @@ add_sched_in_event(struct work_atoms *atoms, u64 timestamp)
 static void
 latency_switch_event(struct trace_switch_event *switch_event,
 		     struct machine *machine,
-		     struct event *event __used,
+		     struct event_format *event __used,
 		     int cpu,
 		     u64 timestamp,
 		     struct thread *thread __used)
@@ -1079,7 +1079,7 @@ latency_switch_event(struct trace_switch_event *switch_event,
 static void
 latency_runtime_event(struct trace_runtime_event *runtime_event,
 		     struct machine *machine,
-		     struct event *event __used,
+		     struct event_format *event __used,
 		     int cpu,
 		     u64 timestamp,
 		     struct thread *this_thread __used)
@@ -1102,7 +1102,7 @@ latency_runtime_event(struct trace_runtime_event *runtime_event,
 static void
 latency_wakeup_event(struct trace_wakeup_event *wakeup_event,
 		     struct machine *machine,
-		     struct event *__event __used,
+		     struct event_format *__event __used,
 		     int cpu __used,
 		     u64 timestamp,
 		     struct thread *thread __used)
@@ -1150,7 +1150,7 @@ latency_wakeup_event(struct trace_wakeup_event *wakeup_event,
 static void
 latency_migrate_task_event(struct trace_migrate_task_event *migrate_task_event,
 		     struct machine *machine,
-		     struct event *__event __used,
+		     struct event_format *__event __used,
 		     int cpu __used,
 		     u64 timestamp,
 		     struct thread *thread __used)
@@ -1361,7 +1361,7 @@ static struct trace_sched_handler *trace_handler;
 
 static void
 process_sched_wakeup_event(struct perf_tool *tool __used,
-			   struct event *event,
+			   struct event_format *event,
 			   struct perf_sample *sample,
 			   struct machine *machine,
 			   struct thread *thread)
@@ -1398,7 +1398,7 @@ static char next_shortname2 = '0';
 static void
 map_switch_event(struct trace_switch_event *switch_event,
 		 struct machine *machine,
-		 struct event *event __used,
+		 struct event_format *event __used,
 		 int this_cpu,
 		 u64 timestamp,
 		 struct thread *thread __used)
@@ -1476,7 +1476,7 @@ map_switch_event(struct trace_switch_event *switch_event,
 
 static void
 process_sched_switch_event(struct perf_tool *tool __used,
-			   struct event *event,
+			   struct event_format *event,
 			   struct perf_sample *sample,
 			   struct machine *machine,
 			   struct thread *thread)
@@ -1512,7 +1512,7 @@ process_sched_switch_event(struct perf_tool *tool __used,
 
 static void
 process_sched_runtime_event(struct perf_tool *tool __used,
-			    struct event *event,
+			    struct event_format *event,
 			    struct perf_sample *sample,
 			    struct machine *machine,
 			    struct thread *thread)
@@ -1532,7 +1532,7 @@ process_sched_runtime_event(struct perf_tool *tool __used,
 
 static void
 process_sched_fork_event(struct perf_tool *tool __used,
-			 struct event *event,
+			 struct event_format *event,
 			 struct perf_sample *sample,
 			 struct machine *machine __used,
 			 struct thread *thread)
@@ -1554,7 +1554,7 @@ process_sched_fork_event(struct perf_tool *tool __used,
 
 static void
 process_sched_exit_event(struct perf_tool *tool __used,
-			 struct event *event,
+			 struct event_format *event,
 			 struct perf_sample *sample __used,
 			 struct machine *machine __used,
 			 struct thread *thread __used)
@@ -1565,7 +1565,7 @@ process_sched_exit_event(struct perf_tool *tool __used,
 
 static void
 process_sched_migrate_task_event(struct perf_tool *tool __used,
-				 struct event *event,
+				 struct event_format *event,
 				 struct perf_sample *sample,
 				 struct machine *machine,
 				 struct thread *thread)
@@ -1586,7 +1586,7 @@ process_sched_migrate_task_event(struct perf_tool *tool __used,
 						  sample->time, thread);
 }
 
-typedef void (*tracepoint_handler)(struct perf_tool *tool, struct event *event,
+typedef void (*tracepoint_handler)(struct perf_tool *tool, struct event_format *event,
 				   struct perf_sample *sample,
 				   struct machine *machine,
 				   struct thread *thread);

tools/perf/builtin-script.c

@@ -261,7 +261,7 @@ static void print_sample_start(struct perf_sample *sample,
 			       struct perf_event_attr *attr)
 {
 	int type;
-	struct event *event;
+	struct event_format *event;
 	const char *evname = NULL;
 	unsigned long secs;
 	unsigned long usecs;

tools/perf/util/scripting-engines/trace-event-python.c

@@ -37,7 +37,7 @@ PyMODINIT_FUNC initperf_trace_context(void);
 #define FTRACE_MAX_EVENT				\
 	((1 << (sizeof(unsigned short) * 8)) - 1)
 
-struct event *events[FTRACE_MAX_EVENT];
+struct event_format *events[FTRACE_MAX_EVENT];
 
 #define MAX_FIELDS	64
 #define N_COMMON_FIELDS	7
@@ -136,7 +136,7 @@ static void define_field(enum print_arg_type field_type,
 	Py_DECREF(t);
 }
 
-static void define_event_symbols(struct event *event,
+static void define_event_symbols(struct event_format *event,
 				 const char *ev_name,
 				 struct print_arg *args)
 {
@@ -178,6 +178,10 @@ static void define_event_symbols(struct event *event,
 		define_event_symbols(event, ev_name, args->op.right);
 		break;
 	default:
+		/* gcc warns for these? */
+	case PRINT_BSTRING:
+	case PRINT_DYNAMIC_ARRAY:
+	case PRINT_FUNC:
 		/* we should warn... */
 		return;
 	}
@@ -186,10 +190,10 @@ static void define_event_symbols(struct event *event,
 		define_event_symbols(event, ev_name, args->next);
 }
 
-static inline struct event *find_cache_event(int type)
+static inline struct event_format *find_cache_event(int type)
 {
 	static char ev_name[256];
-	struct event *event;
+	struct event_format *event;
 
 	if (events[type])
 		return events[type];
@@ -216,7 +220,7 @@ static void python_process_event(union perf_event *pevent __unused,
 	struct format_field *field;
 	unsigned long long val;
 	unsigned long s, ns;
-	struct event *event;
+	struct event_format *event;
 	unsigned n = 0;
 	int type;
 	int pid;
@@ -436,7 +440,7 @@ static int python_stop_script(void)
 
 static int python_generate_script(const char *outfile)
 {
-	struct event *event = NULL;
+	struct event_format *event = NULL;
 	struct format_field *f;
 	char fname[PATH_MAX];
 	int not_first, count;

tools/perf/util/trace-event-info.c

@@ -68,7 +68,7 @@ struct events {
 };
 
 
-void *malloc_or_die(unsigned int size)
+static void *malloc_or_die(unsigned int size)
 {
 	void *data;
 
@@ -448,6 +448,8 @@ static void tracing_data_header(void)
 	else
 		buf[0] = 0;
 
+	read_trace_init(buf[0], buf[0]);
+
 	write_or_die(buf, 1);
 
 	/* save size of long */

tools/perf/util/trace-event-read.c

@@ -52,6 +52,16 @@ static unsigned long	page_size;
 static ssize_t calc_data_size;
 static bool repipe;
 
+static void *malloc_or_die(int size)
+{
+	void *ret;
+
+	ret = malloc(size);
+	if (!ret)
+		die("malloc");
+	return ret;
+}
+
 static int do_read(int fd, void *buf, int size)
 {
 	int rsize = size;
@@ -109,7 +119,7 @@ static unsigned int read4(void)
 	unsigned int data;
 
 	read_or_die(&data, 4);
-	return __data2host4(data);
+	return __data2host4(perf_pevent, data);
 }
 
 static unsigned long long read8(void)
@@ -117,7 +127,7 @@ static unsigned long long read8(void)
 	unsigned long long data;
 
 	read_or_die(&data, 8);
-	return __data2host8(data);
+	return __data2host8(perf_pevent, data);
 }
 
 static char *read_string(void)
@@ -282,7 +292,7 @@ struct cpu_data {
 	unsigned long long	offset;
 	unsigned long long	size;
 	unsigned long long	timestamp;
-	struct record		*next;
+	struct pevent_record	*next;
 	char			*page;
 	int			cpu;
 	int			index;
@@ -367,9 +377,9 @@ static int calc_index(void *ptr, int cpu)
 	return (unsigned long)ptr - (unsigned long)cpu_data[cpu].page;
 }
 
-struct record *trace_peek_data(int cpu)
+struct pevent_record *trace_peek_data(int cpu)
 {
-	struct record *data;
+	struct pevent_record *data;
 	void *page = cpu_data[cpu].page;
 	int idx = cpu_data[cpu].index;
 	void *ptr = page + idx;
@@ -389,15 +399,15 @@ struct record *trace_peek_data(int cpu)
 		/* FIXME: handle header page */
 		if (header_page_ts_size != 8)
 			die("expected a long long type for timestamp");
-		cpu_data[cpu].timestamp = data2host8(ptr);
+		cpu_data[cpu].timestamp = data2host8(perf_pevent, ptr);
 		ptr += 8;
 		switch (header_page_size_size) {
 		case 4:
-			cpu_data[cpu].page_size = data2host4(ptr);
+			cpu_data[cpu].page_size = data2host4(perf_pevent, ptr);
 			ptr += 4;
 			break;
 		case 8:
-			cpu_data[cpu].page_size = data2host8(ptr);
+			cpu_data[cpu].page_size = data2host8(perf_pevent, ptr);
 			ptr += 8;
 			break;
 		default:
@@ -414,7 +424,7 @@ struct record *trace_peek_data(int cpu)
 		return trace_peek_data(cpu);
 	}
 
-	type_len_ts = data2host4(ptr);
+	type_len_ts = data2host4(perf_pevent, ptr);
 	ptr += 4;
 
 	type_len = type_len4host(type_len_ts);
@@ -424,14 +434,14 @@ struct record *trace_peek_data(int cpu)
 	case RINGBUF_TYPE_PADDING:
 		if (!delta)
 			die("error, hit unexpected end of page");
-		length = data2host4(ptr);
+		length = data2host4(perf_pevent, ptr);
 		ptr += 4;
 		length *= 4;
 		ptr += length;
 		goto read_again;
 
 	case RINGBUF_TYPE_TIME_EXTEND:
-		extend = data2host4(ptr);
+		extend = data2host4(perf_pevent, ptr);
 		ptr += 4;
 		extend <<= TS_SHIFT;
 		extend += delta;
@@ -442,7 +452,7 @@ struct record *trace_peek_data(int cpu)
 		ptr += 12;
 		break;
 	case 0:
-		length = data2host4(ptr);
+		length = data2host4(perf_pevent, ptr);
 		ptr += 4;
 		die("here! length=%d", length);
 		break;
@@ -467,9 +477,9 @@ struct record *trace_peek_data(int cpu)
 	return data;
 }
 
-struct record *trace_read_data(int cpu)
+struct pevent_record *trace_read_data(int cpu)
 {
-	struct record *data;
+	struct pevent_record *data;
 
 	data = trace_peek_data(cpu);
 	cpu_data[cpu].next = NULL;
@@ -509,6 +519,8 @@ ssize_t trace_report(int fd, bool __repipe)
 	file_bigendian = buf[0];
 	host_bigendian = bigendian();
 
+	read_trace_init(file_bigendian, host_bigendian);
+
 	read_or_die(buf, 1);
 	long_size = buf[0];
 
@@ -526,11 +538,11 @@ ssize_t trace_report(int fd, bool __repipe)
 	repipe = false;
 
 	if (show_funcs) {
-		print_funcs();
+		pevent_print_funcs(perf_pevent);
 		return size;
 	}
 	if (show_printk) {
-		print_printk();
+		pevent_print_printk(perf_pevent);
 		return size;
 	}
 

tools/perf/util/trace-event.h

-#ifndef __PERF_TRACE_EVENTS_H
-#define __PERF_TRACE_EVENTS_H
+#ifndef _PERF_UTIL_TRACE_EVENT_H
+#define _PERF_UTIL_TRACE_EVENT_H
 
-#include <stdbool.h>
 #include "parse-events.h"
+#include "event-parse.h"
+#include "session.h"
 
 struct machine;
 struct perf_sample;
 union perf_event;
 struct thread;
 
-#define __unused __attribute__((unused))
-
+extern int header_page_size_size;
+extern int header_page_ts_size;
+extern int header_page_data_offset;
 
-#ifndef PAGE_MASK
-#define PAGE_MASK (page_size - 1)
-#endif
+extern bool latency_format;
+extern struct pevent *perf_pevent;
 
 enum {
 	RINGBUF_TYPE_PADDING		= 29,
@@ -26,246 +27,37 @@ enum {
 #define TS_SHIFT		27
 #endif
 
-#define NSECS_PER_SEC		1000000000ULL
-#define NSECS_PER_USEC		1000ULL
-
-enum format_flags {
-	FIELD_IS_ARRAY		= 1,
-	FIELD_IS_POINTER	= 2,
-	FIELD_IS_SIGNED		= 4,
-	FIELD_IS_STRING		= 8,
-	FIELD_IS_DYNAMIC	= 16,
-	FIELD_IS_FLAG		= 32,
-	FIELD_IS_SYMBOLIC	= 64,
-};
-
-struct format_field {
-	struct format_field	*next;
-	char			*type;
-	char			*name;
-	int			offset;
-	int			size;
-	unsigned long		flags;
-};
-
-struct format {
-	int			nr_common;
-	int			nr_fields;
-	struct format_field	*common_fields;
-	struct format_field	*fields;
-};
-
-struct print_arg_atom {
-	char			*atom;
-};
-
-struct print_arg_string {
-	char			*string;
-	int			offset;
-};
-
-struct print_arg_field {
-	char			*name;
-	struct format_field	*field;
-};
-
-struct print_flag_sym {
-	struct print_flag_sym	*next;
-	char			*value;
-	char			*str;
-};
-
-struct print_arg_typecast {
-	char 			*type;
-	struct print_arg	*item;
-};
-
-struct print_arg_flags {
-	struct print_arg	*field;
-	char			*delim;
-	struct print_flag_sym	*flags;
-};
-
-struct print_arg_symbol {
-	struct print_arg	*field;
-	struct print_flag_sym	*symbols;
-};
-
-struct print_arg;
-
-struct print_arg_op {
-	char			*op;
-	int			prio;
-	struct print_arg	*left;
-	struct print_arg	*right;
-};
-
-struct print_arg_func {
-	char			*name;
-	struct print_arg	*args;
-};
-
-enum print_arg_type {
-	PRINT_NULL,
-	PRINT_ATOM,
-	PRINT_FIELD,
-	PRINT_FLAGS,
-	PRINT_SYMBOL,
-	PRINT_TYPE,
-	PRINT_STRING,
-	PRINT_OP,
-};
-
-struct print_arg {
-	struct print_arg		*next;
-	enum print_arg_type		type;
-	union {
-		struct print_arg_atom		atom;
-		struct print_arg_field		field;
-		struct print_arg_typecast	typecast;
-		struct print_arg_flags		flags;
-		struct print_arg_symbol		symbol;
-		struct print_arg_func		func;
-		struct print_arg_string		string;
-		struct print_arg_op		op;
-	};
-};
-
-struct print_fmt {
-	char			*format;
-	struct print_arg	*args;
-};
-
-struct event {
-	struct event		*next;
-	char			*name;
-	int			id;
-	int			flags;
-	struct format		format;
-	struct print_fmt	print_fmt;
-	char			*system;
-};
-
-enum {
-	EVENT_FL_ISFTRACE	= 0x01,
-	EVENT_FL_ISPRINT	= 0x02,
-	EVENT_FL_ISBPRINT	= 0x04,
-	EVENT_FL_ISFUNC		= 0x08,
-	EVENT_FL_ISFUNCENT	= 0x10,
-	EVENT_FL_ISFUNCRET	= 0x20,
-
-	EVENT_FL_FAILED		= 0x80000000
-};
-
-struct record {
-	unsigned long long ts;
-	int size;
-	void *data;
-};
-
-struct record *trace_peek_data(int cpu);
-struct record *trace_read_data(int cpu);
-
-void parse_set_info(int nr_cpus, int long_sz);
-
-ssize_t trace_report(int fd, bool repipe);
-
-void *malloc_or_die(unsigned int size);
+int bigendian(void);
 
-void parse_cmdlines(char *file, int size);
-void parse_proc_kallsyms(char *file, unsigned int size);
-void parse_ftrace_printk(char *file, unsigned int size);
+int read_trace_init(int file_bigendian, int host_bigendian);
+void print_trace_event(int cpu, void *data, int size);
 
-void print_funcs(void);
-void print_printk(void);
+void print_event(int cpu, void *data, int size, unsigned long long nsecs,
+		  char *comm);
 
 int parse_ftrace_file(char *buf, unsigned long size);
 int parse_event_file(char *buf, unsigned long size, char *sys);
-void print_trace_event(int cpu, void *data, int size);
-
-extern int file_bigendian;
-extern int host_bigendian;
-
-int bigendian(void);
-
-static inline unsigned short __data2host2(unsigned short data)
-{
-	unsigned short swap;
-
-	if (host_bigendian == file_bigendian)
-		return data;
 
-	swap = ((data & 0xffULL) << 8) |
-		((data & (0xffULL << 8)) >> 8);
+struct pevent_record *trace_peek_data(int cpu);
+struct event_format *trace_find_event(int type);
 
-	return swap;
-}
-
-static inline unsigned int __data2host4(unsigned int data)
-{
-	unsigned int swap;
-
-	if (host_bigendian == file_bigendian)
-		return data;
-
-	swap = ((data & 0xffULL) << 24) |
-		((data & (0xffULL << 8)) << 8) |
-		((data & (0xffULL << 16)) >> 8) |
-		((data & (0xffULL << 24)) >> 24);
-
-	return swap;
-}
-
-static inline unsigned long long __data2host8(unsigned long long data)
-{
-	unsigned long long swap;
-
-	if (host_bigendian == file_bigendian)
-		return data;
-
-	swap = ((data & 0xffULL) << 56) |
-		((data & (0xffULL << 8)) << 40) |
-		((data & (0xffULL << 16)) << 24) |
-		((data & (0xffULL << 24)) << 8) |
-		((data & (0xffULL << 32)) >> 8) |
-		((data & (0xffULL << 40)) >> 24) |
-		((data & (0xffULL << 48)) >> 40) |
-		((data & (0xffULL << 56)) >> 56);
-
-	return swap;
-}
+unsigned long long
+raw_field_value(struct event_format *event, const char *name, void *data);
+void *raw_field_ptr(struct event_format *event, const char *name, void *data);
 
-#define data2host2(ptr)		__data2host2(*(unsigned short *)ptr)
-#define data2host4(ptr)		__data2host4(*(unsigned int *)ptr)
-#define data2host8(ptr)		({				\
-	unsigned long long __val;				\
-								\
-	memcpy(&__val, (ptr), sizeof(unsigned long long));	\
-	__data2host8(__val);					\
-})
+void parse_proc_kallsyms(char *file, unsigned int size __unused);
+void parse_ftrace_printk(char *file, unsigned int size __unused);
 
-extern int header_page_ts_offset;
-extern int header_page_ts_size;
-extern int header_page_size_offset;
-extern int header_page_size_size;
-extern int header_page_data_offset;
-extern int header_page_data_size;
-
-extern bool latency_format;
+ssize_t trace_report(int fd, bool repipe);
 
 int trace_parse_common_type(void *data);
 int trace_parse_common_pid(void *data);
-int parse_common_pc(void *data);
-int parse_common_flags(void *data);
-int parse_common_lock_depth(void *data);
-struct event *trace_find_event(int id);
-struct event *trace_find_next_event(struct event *event);
+
+struct event_format *trace_find_next_event(struct event_format *event);
 unsigned long long read_size(void *ptr, int size);
-unsigned long long
-raw_field_value(struct event *event, const char *name, void *data);
-void *raw_field_ptr(struct event *event, const char *name, void *data);
 unsigned long long eval_flag(const char *flag);
 
+struct pevent_record *trace_read_data(int cpu);
 int read_tracing_data(int fd, struct list_head *pattrs);
 
 struct tracing_data {
@@ -280,15 +72,6 @@ struct tracing_data *tracing_data_get(struct list_head *pattrs,
 void tracing_data_put(struct tracing_data *tdata);
 
 
-/* taken from kernel/trace/trace.h */
-enum trace_flag_type {
-	TRACE_FLAG_IRQS_OFF		= 0x01,
-	TRACE_FLAG_IRQS_NOSUPPORT	= 0x02,
-	TRACE_FLAG_NEED_RESCHED		= 0x04,
-	TRACE_FLAG_HARDIRQ		= 0x08,
-	TRACE_FLAG_SOFTIRQ		= 0x10,
-};
-
 struct scripting_ops {
 	const char *name;
 	int (*start_script) (const char *script, int argc, const char **argv);
@@ -314,4 +97,4 @@ int common_pc(struct scripting_context *context);
 int common_flags(struct scripting_context *context);
 int common_lock_depth(struct scripting_context *context);
 
-#endif /* __PERF_TRACE_EVENTS_H */
+#endif /* _PERF_UTIL_TRACE_EVENT_H */

tools/scripts/Makefile.include

 ifeq ("$(origin O)", "command line")
 	OUTPUT := $(O)/
+	COMMAND_O := O=$(O)
 endif
 
 ifneq ($(OUTPUT),)