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

Pull perf updates from Ingo Molnar:
 "The main changes in this cycle on the kernel side:

   - rework kprobes blacklist handling (Masami Hiramatsu)

   - misc cleanups

  on the tooling side these areas were the main focus:

   - 'perf trace'     enhancements (Arnaldo Carvalho de Melo)

   - 'perf bench'     enhancements (Davidlohr Bueso)

   - 'perf record'    enhancements (Alexey Budankov)

   - 'perf annotate'  enhancements (Jin Yao)

   - 'perf top'       enhancements (Jiri Olsa)

   - Intel hw tracing enhancements (Adrian Hunter)

   - ARM hw tracing   enhancements (Leo Yan, Mathieu Poirier)

   - ... plus lots of other enhancements, cleanups and fixes"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (171 commits)
  tools uapi asm: Update asm-generic/unistd.h copy
  perf symbols: Relax checks on perf-PID.map ownership
  perf trace: Wire up the fadvise 'advice' table generator
  perf beauty: Add generator for fadvise64's 'advice' arg constants
  tools headers uapi: Grab a copy of fadvise.h
  perf beauty mmap: Print mmap's 'offset' arg in hexadecimal
  perf beauty mmap: Print PROT_READ before PROT_EXEC to match strace output
  perf trace beauty: Beautify arch_prctl()'s arguments
  perf trace: When showing string prefixes show prefix + ??? for unknown entries
  perf trace: Move strarrays to beauty.h for further reuse
  perf beauty: Wire up the x86_arch prctl code table generator
  perf beauty: Add a string table generator for x86's 'arch_prctl' codes
  tools include arch: Grab a copy of x86's prctl.h
  perf trace: Show NULL when syscall pointer args are 0
  perf trace: Enclose the errno strings with ()
  perf augmented_raw_syscalls: Copy 'access' arg as well
  perf trace: Add alignment spaces after the closing parens
  perf trace beauty: Print O_RDONLY when (flags & O_ACCMODE) == 0
  perf trace: Allow asking for not suppressing common string prefixes
  perf trace: Add a prefix member to the strarray class
  ...

15 files changed, 243 insertions, 211 deletions

diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile
index 95563b8e1ad7..ed61fb3a46c0 100644
--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@@ -36,8 +36,6 @@ endif
 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 
 CFLAGS += -I$(srctree)/tools/include/
-CFLAGS += -I$(srctree)/include/uapi
-CFLAGS += -I$(srctree)/include
 
 SUBCMD_IN := $(OUTPUT)libsubcmd-in.o
 
diff --git a/tools/lib/subcmd/parse-options.h b/tools/lib/subcmd/parse-options.h
index 6ca2a8bfe716..af9def589863 100644
--- a/tools/lib/subcmd/parse-options.h
+++ b/tools/lib/subcmd/parse-options.h
@@ -71,7 +71,7 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
  *
  * `argh`::
  *   token to explain the kind of argument this option wants. Keep it
- *   homogenous across the repository.
+ *   homogeneous across the repository.
  *
  * `help`::
  *   the short help associated to what the option does.
@@ -80,7 +80,7 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
  *
  * `flags`::
  *   mask of parse_opt_option_flags.
- *   PARSE_OPT_OPTARG: says that the argument is optionnal (not for BOOLEANs)
+ *   PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs)
  *   PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs
  *   PARSE_OPT_NONEG: says that this option cannot be negated
  *   PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in
diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index 0b4e833088a4..941761d9923d 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -25,6 +25,7 @@ endef
 $(call allow-override,CC,$(CROSS_COMPILE)gcc)
 $(call allow-override,AR,$(CROSS_COMPILE)ar)
 $(call allow-override,NM,$(CROSS_COMPILE)nm)
+$(call allow-override,PKG_CONFIG,pkg-config)
 
 EXT = -std=gnu99
 INSTALL = install
@@ -47,6 +48,8 @@ prefix ?= /usr/local
 libdir = $(prefix)/$(libdir_relative)
 man_dir = $(prefix)/share/man
 man_dir_SQ = '$(subst ','\'',$(man_dir))'
+pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) 		\
+			--variable pc_path pkg-config | tr ":" " "))
 
 export man_dir man_dir_SQ INSTALL
 export DESTDIR DESTDIR_SQ
@@ -174,7 +177,7 @@ $(TE_IN): force
 	$(Q)$(MAKE) $(build)=libtraceevent
 
 $(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN)
-	$(QUIET_LINK)$(CC) --shared $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@
+	$(QUIET_LINK)$(CC) --shared $(LDFLAGS) $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@
 	@ln -sf $(@F) $(OUTPUT)libtraceevent.so
 	@ln -sf $(@F) $(OUTPUT)libtraceevent.so.$(EP_VERSION)
 
@@ -193,7 +196,7 @@ $(PLUGINS_IN): force
 	$(Q)$(MAKE) $(build)=$(plugin_obj)
 
 $(OUTPUT)%.so: $(OUTPUT)%-in.o
-	$(QUIET_LINK)$(CC) $(CFLAGS) -shared -nostartfiles -o $@ $^
+	$(QUIET_LINK)$(CC) $(CFLAGS) -shared $(LDFLAGS) -nostartfiles -o $@ $^
 
 define make_version.h
   (echo '/* This file is automatically generated. Do not modify. */';		\
@@ -270,7 +273,19 @@ define do_generate_dynamic_list_file
 	fi
 endef
 
-install_lib: all_cmd install_plugins
+PKG_CONFIG_FILE = libtraceevent.pc
+define do_install_pkgconfig_file
+	if [ -n "${pkgconfig_dir}" ]; then 					\
+		cp -f ${PKG_CONFIG_FILE}.template ${PKG_CONFIG_FILE}; 		\
+		sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; 		\
+		sed -i "s|LIB_VERSION|${EVENT_PARSE_VERSION}|g" ${PKG_CONFIG_FILE}; \
+		$(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); 	\
+	else 									\
+		(echo Failed to locate pkg-config directory) 1>&2;		\
+	fi
+endef
+
+install_lib: all_cmd install_plugins install_headers install_pkgconfig
 	$(call QUIET_INSTALL, $(LIB_TARGET)) \
 		$(call do_install_mkdir,$(libdir_SQ)); \
 		cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ)
@@ -279,18 +294,24 @@ install_plugins: $(PLUGINS)
 	$(call QUIET_INSTALL, trace_plugins) \
 		$(call do_install_plugins, $(PLUGINS))
 
+install_pkgconfig:
+	$(call QUIET_INSTALL, $(PKG_CONFIG_FILE)) \
+		$(call do_install_pkgconfig_file,$(prefix))
+
 install_headers:
 	$(call QUIET_INSTALL, headers) \
 		$(call do_install,event-parse.h,$(prefix)/include/traceevent,644); \
 		$(call do_install,event-utils.h,$(prefix)/include/traceevent,644); \
+		$(call do_install,trace-seq.h,$(prefix)/include/traceevent,644); \
 		$(call do_install,kbuffer.h,$(prefix)/include/traceevent,644)
 
 install: install_lib
 
 clean:
 	$(call QUIET_CLEAN, libtraceevent) \
-		$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \
-		$(RM) TRACEEVENT-CFLAGS tags TAGS
+		$(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd; \
+		$(RM) TRACEEVENT-CFLAGS tags TAGS; \
+		$(RM) $(PKG_CONFIG_FILE)
 
 PHONY += force plugins
 force:
diff --git a/tools/lib/traceevent/event-parse-api.c b/tools/lib/traceevent/event-parse-api.c
index 61f7149085ee..8b31c0e00ba3 100644
--- a/tools/lib/traceevent/event-parse-api.c
+++ b/tools/lib/traceevent/event-parse-api.c
@@ -15,7 +15,7 @@
  * This returns pointer to the first element of the events array
  * If @tep is NULL, NULL is returned.
  */
-struct tep_event_format *tep_get_first_event(struct tep_handle *tep)
+struct tep_event *tep_get_first_event(struct tep_handle *tep)
 {
 	if (tep && tep->events)
 		return tep->events[0];
@@ -51,7 +51,7 @@ void tep_set_flag(struct tep_handle *tep, int flag)
 		tep->flags |= flag;
 }
 
-unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data)
+unsigned short tep_data2host2(struct tep_handle *pevent, unsigned short data)
 {
 	unsigned short swap;
 
@@ -64,7 +64,7 @@ unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data)
 	return swap;
 }
 
-unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data)
+unsigned int tep_data2host4(struct tep_handle *pevent, unsigned int data)
 {
 	unsigned int swap;
 
@@ -80,7 +80,7 @@ unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data)
 }
 
 unsigned long long
-__tep_data2host8(struct tep_handle *pevent, unsigned long long data)
+tep_data2host8(struct tep_handle *pevent, unsigned long long data)
 {
 	unsigned long long swap;
 
diff --git a/tools/lib/traceevent/event-parse-local.h b/tools/lib/traceevent/event-parse-local.h
index b9bddde577f8..9a092dd4a86d 100644
--- a/tools/lib/traceevent/event-parse-local.h
+++ b/tools/lib/traceevent/event-parse-local.h
@@ -50,9 +50,9 @@ struct tep_handle {
 	unsigned int printk_count;
 
 
-	struct tep_event_format **events;
+	struct tep_event **events;
 	int nr_events;
-	struct tep_event_format **sort_events;
+	struct tep_event **sort_events;
 	enum tep_event_sort_type last_type;
 
 	int type_offset;
@@ -84,9 +84,16 @@ struct tep_handle {
 	struct tep_function_handler *func_handlers;
 
 	/* cache */
-	struct tep_event_format *last_event;
+	struct tep_event *last_event;
 
 	char *trace_clock;
 };
 
+void tep_free_event(struct tep_event *event);
+void tep_free_format_field(struct tep_format_field *field);
+
+unsigned short tep_data2host2(struct tep_handle *pevent, unsigned short data);
+unsigned int tep_data2host4(struct tep_handle *pevent, unsigned int data);
+unsigned long long tep_data2host8(struct tep_handle *pevent, unsigned long long data);
+
 #endif /* _PARSE_EVENTS_INT_H */
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 3692f29fee46..69a96e39f0ab 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -96,7 +96,7 @@ struct tep_function_handler {
 
 static unsigned long long
 process_defined_func(struct trace_seq *s, void *data, int size,
-		     struct tep_event_format *event, struct tep_print_arg *arg);
+		     struct tep_event *event, struct tep_print_arg *arg);
 
 static void free_func_handle(struct tep_function_handler *func);
 
@@ -739,16 +739,16 @@ void tep_print_printk(struct tep_handle *pevent)
 	}
 }
 
-static struct tep_event_format *alloc_event(void)
+static struct tep_event *alloc_event(void)
 {
-	return calloc(1, sizeof(struct tep_event_format));
+	return calloc(1, sizeof(struct tep_event));
 }
 
-static int add_event(struct tep_handle *pevent, struct tep_event_format *event)
+static int add_event(struct tep_handle *pevent, struct tep_event *event)
 {
 	int i;
-	struct tep_event_format **events = realloc(pevent->events, sizeof(event) *
-						  (pevent->nr_events + 1));
+	struct tep_event **events = realloc(pevent->events, sizeof(event) *
+					    (pevent->nr_events + 1));
 	if (!events)
 		return -1;
 
@@ -1145,7 +1145,7 @@ static enum tep_event_type read_token(char **tok)
 }
 
 /**
- * tep_read_token - access to utilites to use the pevent parser
+ * tep_read_token - access to utilities to use the pevent parser
  * @tok: The token to return
  *
  * This will parse tokens from the string given by
@@ -1355,7 +1355,7 @@ static unsigned int type_size(const char *name)
 	return 0;
 }
 
-static int event_read_fields(struct tep_event_format *event, struct tep_format_field **fields)
+static int event_read_fields(struct tep_event *event, struct tep_format_field **fields)
 {
 	struct tep_format_field *field = NULL;
 	enum tep_event_type type;
@@ -1642,7 +1642,7 @@ fail_expect:
 	return -1;
 }
 
-static int event_read_format(struct tep_event_format *event)
+static int event_read_format(struct tep_event *event)
 {
 	char *token;
 	int ret;
@@ -1675,11 +1675,11 @@ static int event_read_format(struct tep_event_format *event)
 }
 
 static enum tep_event_type
-process_arg_token(struct tep_event_format *event, struct tep_print_arg *arg,
+process_arg_token(struct tep_event *event, struct tep_print_arg *arg,
 		  char **tok, enum tep_event_type type);
 
 static enum tep_event_type
-process_arg(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_arg(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	enum tep_event_type type;
 	char *token;
@@ -1691,14 +1691,14 @@ process_arg(struct tep_event_format *event, struct tep_print_arg *arg, char **to
 }
 
 static enum tep_event_type
-process_op(struct tep_event_format *event, struct tep_print_arg *arg, char **tok);
+process_op(struct tep_event *event, struct tep_print_arg *arg, char **tok);
 
 /*
  * For __print_symbolic() and __print_flags, we need to completely
  * evaluate the first argument, which defines what to print next.
  */
 static enum tep_event_type
-process_field_arg(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_field_arg(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	enum tep_event_type type;
 
@@ -1712,7 +1712,7 @@ process_field_arg(struct tep_event_format *event, struct tep_print_arg *arg, cha
 }
 
 static enum tep_event_type
-process_cond(struct tep_event_format *event, struct tep_print_arg *top, char **tok)
+process_cond(struct tep_event *event, struct tep_print_arg *top, char **tok)
 {
 	struct tep_print_arg *arg, *left, *right;
 	enum tep_event_type type;
@@ -1768,7 +1768,7 @@ out_free:
 }
 
 static enum tep_event_type
-process_array(struct tep_event_format *event, struct tep_print_arg *top, char **tok)
+process_array(struct tep_event *event, struct tep_print_arg *top, char **tok)
 {
 	struct tep_print_arg *arg;
 	enum tep_event_type type;
@@ -1870,7 +1870,7 @@ static int set_op_prio(struct tep_print_arg *arg)
 
 /* Note, *tok does not get freed, but will most likely be saved */
 static enum tep_event_type
-process_op(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_op(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	struct tep_print_arg *left, *right = NULL;
 	enum tep_event_type type;
@@ -2071,7 +2071,7 @@ out_free:
 }
 
 static enum tep_event_type
-process_entry(struct tep_event_format *event __maybe_unused, struct tep_print_arg *arg,
+process_entry(struct tep_event *event __maybe_unused, struct tep_print_arg *arg,
 	      char **tok)
 {
 	enum tep_event_type type;
@@ -2110,7 +2110,7 @@ process_entry(struct tep_event_format *event __maybe_unused, struct tep_print_ar
 	return TEP_EVENT_ERROR;
 }
 
-static int alloc_and_process_delim(struct tep_event_format *event, char *next_token,
+static int alloc_and_process_delim(struct tep_event *event, char *next_token,
 				   struct tep_print_arg **print_arg)
 {
 	struct tep_print_arg *field;
@@ -2445,7 +2445,7 @@ static char *arg_eval (struct tep_print_arg *arg)
 }
 
 static enum tep_event_type
-process_fields(struct tep_event_format *event, struct tep_print_flag_sym **list, char **tok)
+process_fields(struct tep_event *event, struct tep_print_flag_sym **list, char **tok)
 {
 	enum tep_event_type type;
 	struct tep_print_arg *arg = NULL;
@@ -2526,7 +2526,7 @@ out_free:
 }
 
 static enum tep_event_type
-process_flags(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_flags(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	struct tep_print_arg *field;
 	enum tep_event_type type;
@@ -2579,7 +2579,7 @@ out_free:
 }
 
 static enum tep_event_type
-process_symbols(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_symbols(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	struct tep_print_arg *field;
 	enum tep_event_type type;
@@ -2618,7 +2618,7 @@ out_free:
 }
 
 static enum tep_event_type
-process_hex_common(struct tep_event_format *event, struct tep_print_arg *arg,
+process_hex_common(struct tep_event *event, struct tep_print_arg *arg,
 		   char **tok, enum tep_print_arg_type type)
 {
 	memset(arg, 0, sizeof(*arg));
@@ -2641,20 +2641,20 @@ out:
 }
 
 static enum tep_event_type
-process_hex(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_hex(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	return process_hex_common(event, arg, tok, TEP_PRINT_HEX);
 }
 
 static enum tep_event_type
-process_hex_str(struct tep_event_format *event, struct tep_print_arg *arg,
+process_hex_str(struct tep_event *event, struct tep_print_arg *arg,
 		char **tok)
 {
 	return process_hex_common(event, arg, tok, TEP_PRINT_HEX_STR);
 }
 
 static enum tep_event_type
-process_int_array(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_int_array(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	memset(arg, 0, sizeof(*arg));
 	arg->type = TEP_PRINT_INT_ARRAY;
@@ -2682,7 +2682,7 @@ out:
 }
 
 static enum tep_event_type
-process_dynamic_array(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_dynamic_array(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	struct tep_format_field *field;
 	enum tep_event_type type;
@@ -2746,7 +2746,7 @@ process_dynamic_array(struct tep_event_format *event, struct tep_print_arg *arg,
 }
 
 static enum tep_event_type
-process_dynamic_array_len(struct tep_event_format *event, struct tep_print_arg *arg,
+process_dynamic_array_len(struct tep_event *event, struct tep_print_arg *arg,
 			  char **tok)
 {
 	struct tep_format_field *field;
@@ -2782,7 +2782,7 @@ process_dynamic_array_len(struct tep_event_format *event, struct tep_print_arg *
 }
 
 static enum tep_event_type
-process_paren(struct tep_event_format *event, struct tep_print_arg *arg, char **tok)
+process_paren(struct tep_event *event, struct tep_print_arg *arg, char **tok)
 {
 	struct tep_print_arg *item_arg;
 	enum tep_event_type type;
@@ -2845,7 +2845,7 @@ process_paren(struct tep_event_format *event, struct tep_print_arg *arg, char **
 
 
 static enum tep_event_type
-process_str(struct tep_event_format *event __maybe_unused, struct tep_print_arg *arg,
+process_str(struct tep_event *event __maybe_unused, struct tep_print_arg *arg,
 	    char **tok)
 {
 	enum tep_event_type type;
@@ -2874,7 +2874,7 @@ process_str(struct tep_event_format *event __maybe_unused, struct tep_print_arg
 }
 
 static enum tep_event_type
-process_bitmask(struct tep_event_format *event __maybe_unused, struct tep_print_arg *arg,
+process_bitmask(struct tep_event *event __maybe_unused, struct tep_print_arg *arg,
 		char **tok)
 {
 	enum tep_event_type type;
@@ -2935,7 +2935,7 @@ static void remove_func_handler(struct tep_handle *pevent, char *func_name)
 }
 
 static enum tep_event_type
-process_func_handler(struct tep_event_format *event, struct tep_function_handler *func,
+process_func_handler(struct tep_event *event, struct tep_function_handler *func,
 		     struct tep_print_arg *arg, char **tok)
 {
 	struct tep_print_arg **next_arg;
@@ -2993,7 +2993,7 @@ err:
 }
 
 static enum tep_event_type
-process_function(struct tep_event_format *event, struct tep_print_arg *arg,
+process_function(struct tep_event *event, struct tep_print_arg *arg,
 		 char *token, char **tok)
 {
 	struct tep_function_handler *func;
@@ -3049,7 +3049,7 @@ process_function(struct tep_event_format *event, struct tep_print_arg *arg,
 }
 
 static enum tep_event_type
-process_arg_token(struct tep_event_format *event, struct tep_print_arg *arg,
+process_arg_token(struct tep_event *event, struct tep_print_arg *arg,
 		  char **tok, enum tep_event_type type)
 {
 	char *token;
@@ -3137,7 +3137,7 @@ process_arg_token(struct tep_event_format *event, struct tep_print_arg *arg,
 	return type;
 }
 
-static int event_read_print_args(struct tep_event_format *event, struct tep_print_arg **list)
+static int event_read_print_args(struct tep_event *event, struct tep_print_arg **list)
 {
 	enum tep_event_type type = TEP_EVENT_ERROR;
 	struct tep_print_arg *arg;
@@ -3195,7 +3195,7 @@ static int event_read_print_args(struct tep_event_format *event, struct tep_prin
 	return args;
 }
 
-static int event_read_print(struct tep_event_format *event)
+static int event_read_print(struct tep_event *event)
 {
 	enum tep_event_type type;
 	char *token;
@@ -3258,10 +3258,10 @@ static int event_read_print(struct tep_event_format *event)
  * @name: the name of the common field to return
  *
  * Returns a common field from the event by the given @name.
- * This only searchs the common fields and not all field.
+ * This only searches the common fields and not all field.
  */
 struct tep_format_field *
-tep_find_common_field(struct tep_event_format *event, const char *name)
+tep_find_common_field(struct tep_event *event, const char *name)
 {
 	struct tep_format_field *format;
 
@@ -3283,7 +3283,7 @@ tep_find_common_field(struct tep_event_format *event, const char *name)
  * This does not search common fields.
  */
 struct tep_format_field *
-tep_find_field(struct tep_event_format *event, const char *name)
+tep_find_field(struct tep_event *event, const char *name)
 {
 	struct tep_format_field *format;
 
@@ -3302,11 +3302,11 @@ tep_find_field(struct tep_event_format *event, const char *name)
  * @name: the name of the field
  *
  * Returns a field by the given @name.
- * This searchs the common field names first, then
+ * This searches the common field names first, then
  * the non-common ones if a common one was not found.
  */
 struct tep_format_field *
-tep_find_any_field(struct tep_event_format *event, const char *name)
+tep_find_any_field(struct tep_event *event, const char *name)
 {
 	struct tep_format_field *format;
 
@@ -3328,15 +3328,18 @@ tep_find_any_field(struct tep_event_format *event, const char *name)
 unsigned long long tep_read_number(struct tep_handle *pevent,
 				   const void *ptr, int size)
 {
+	unsigned long long val;
+
 	switch (size) {
 	case 1:
 		return *(unsigned char *)ptr;
 	case 2:
-		return tep_data2host2(pevent, ptr);
+		return tep_data2host2(pevent, *(unsigned short *)ptr);
 	case 4:
-		return tep_data2host4(pevent, ptr);
+		return tep_data2host4(pevent, *(unsigned int *)ptr);
 	case 8:
-		return tep_data2host8(pevent, ptr);
+		memcpy(&val, (ptr), sizeof(unsigned long long));
+		return tep_data2host8(pevent, val);
 	default:
 		/* BUG! */
 		return 0;
@@ -3375,7 +3378,7 @@ int tep_read_number_field(struct tep_format_field *field, const void *data,
 static int get_common_info(struct tep_handle *pevent,
 			   const char *type, int *offset, int *size)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 	struct tep_format_field *field;
 
 	/*
@@ -3462,11 +3465,11 @@ static int events_id_cmp(const void *a, const void *b);
  *
  * Returns an event that has a given @id.
  */
-struct tep_event_format *tep_find_event(struct tep_handle *pevent, int id)
+struct tep_event *tep_find_event(struct tep_handle *pevent, int id)
 {
-	struct tep_event_format **eventptr;
-	struct tep_event_format key;
-	struct tep_event_format *pkey = &key;
+	struct tep_event **eventptr;
+	struct tep_event key;
+	struct tep_event *pkey = &key;
 
 	/* Check cache first */
 	if (pevent->last_event && pevent->last_event->id == id)
@@ -3494,11 +3497,11 @@ struct tep_event_format *tep_find_event(struct tep_handle *pevent, int id)
  * This returns an event with a given @name and under the system
  * @sys. If @sys is NULL the first event with @name is returned.
  */
-struct tep_event_format *
+struct tep_event *
 tep_find_event_by_name(struct tep_handle *pevent,
 		       const char *sys, const char *name)
 {
-	struct tep_event_format *event;
+	struct tep_event *event = NULL;
 	int i;
 
 	if (pevent->last_event &&
@@ -3523,7 +3526,7 @@ tep_find_event_by_name(struct tep_handle *pevent,
 }
 
 static unsigned long long
-eval_num_arg(void *data, int size, struct tep_event_format *event, struct tep_print_arg *arg)
+eval_num_arg(void *data, int size, struct tep_event *event, struct tep_print_arg *arg)
 {
 	struct tep_handle *pevent = event->pevent;
 	unsigned long long val = 0;
@@ -3838,7 +3841,7 @@ static void print_bitmask_to_seq(struct tep_handle *pevent,
 		/*
 		 * data points to a bit mask of size bytes.
 		 * In the kernel, this is an array of long words, thus
-		 * endianess is very important.
+		 * endianness is very important.
 		 */
 		if (pevent->file_bigendian)
 			index = size - (len + 1);
@@ -3863,7 +3866,7 @@ static void print_bitmask_to_seq(struct tep_handle *pevent,
 }
 
 static void print_str_arg(struct trace_seq *s, void *data, int size,
-			  struct tep_event_format *event, const char *format,
+			  struct tep_event *event, const char *format,
 			  int len_arg, struct tep_print_arg *arg)
 {
 	struct tep_handle *pevent = event->pevent;
@@ -4062,7 +4065,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
 			f = tep_find_any_field(event, arg->string.string);
 			arg->string.offset = f->offset;
 		}
-		str_offset = tep_data2host4(pevent, data + arg->string.offset);
+		str_offset = tep_data2host4(pevent, *(unsigned int *)(data + arg->string.offset));
 		str_offset &= 0xffff;
 		print_str_to_seq(s, format, len_arg, ((char *)data) + str_offset);
 		break;
@@ -4080,7 +4083,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
 			f = tep_find_any_field(event, arg->bitmask.bitmask);
 			arg->bitmask.offset = f->offset;
 		}
-		bitmask_offset = tep_data2host4(pevent, data + arg->bitmask.offset);
+		bitmask_offset = tep_data2host4(pevent, *(unsigned int *)(data + arg->bitmask.offset));
 		bitmask_size = bitmask_offset >> 16;
 		bitmask_offset &= 0xffff;
 		print_bitmask_to_seq(pevent, s, format, len_arg,
@@ -4118,7 +4121,7 @@ out_warning_field:
 
 static unsigned long long
 process_defined_func(struct trace_seq *s, void *data, int size,
-		     struct tep_event_format *event, struct tep_print_arg *arg)
+		     struct tep_event *event, struct tep_print_arg *arg)
 {
 	struct tep_function_handler *func_handle = arg->func.func;
 	struct func_params *param;
@@ -4213,7 +4216,7 @@ static void free_args(struct tep_print_arg *args)
 	}
 }
 
-static struct tep_print_arg *make_bprint_args(char *fmt, void *data, int size, struct tep_event_format *event)
+static struct tep_print_arg *make_bprint_args(char *fmt, void *data, int size, struct tep_event *event)
 {
 	struct tep_handle *pevent = event->pevent;
 	struct tep_format_field *field, *ip_field;
@@ -4221,7 +4224,7 @@ static struct tep_print_arg *make_bprint_args(char *fmt, void *data, int size, s
 	unsigned long long ip, val;
 	char *ptr;
 	void *bptr;
-	int vsize;
+	int vsize = 0;
 
 	field = pevent->bprint_buf_field;
 	ip_field = pevent->bprint_ip_field;
@@ -4390,7 +4393,7 @@ out_free:
 
 static char *
 get_bprint_format(void *data, int size __maybe_unused,
-		  struct tep_event_format *event)
+		  struct tep_event *event)
 {
 	struct tep_handle *pevent = event->pevent;
 	unsigned long long addr;
@@ -4425,7 +4428,7 @@ get_bprint_format(void *data, int size __maybe_unused,
 }
 
 static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size,
-			  struct tep_event_format *event, struct tep_print_arg *arg)
+			  struct tep_event *event, struct tep_print_arg *arg)
 {
 	unsigned char *buf;
 	const char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x";
@@ -4578,7 +4581,7 @@ static void print_ip6_addr(struct trace_seq *s, char i, unsigned char *buf)
  * %pISpc print an IP address based on sockaddr; p adds port.
  */
 static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
-			  void *data, int size, struct tep_event_format *event,
+			  void *data, int size, struct tep_event *event,
 			  struct tep_print_arg *arg)
 {
 	unsigned char *buf;
@@ -4615,7 +4618,7 @@ static int print_ipv4_arg(struct trace_seq *s, const char *ptr, char i,
 }
 
 static int print_ipv6_arg(struct trace_seq *s, const char *ptr, char i,
-			  void *data, int size, struct tep_event_format *event,
+			  void *data, int size, struct tep_event *event,
 			  struct tep_print_arg *arg)
 {
 	char have_c = 0;
@@ -4665,7 +4668,7 @@ static int print_ipv6_arg(struct trace_seq *s, const char *ptr, char i,
 }
 
 static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
-			  void *data, int size, struct tep_event_format *event,
+			  void *data, int size, struct tep_event *event,
 			  struct tep_print_arg *arg)
 {
 	char have_c = 0, have_p = 0;
@@ -4747,7 +4750,7 @@ static int print_ipsa_arg(struct trace_seq *s, const char *ptr, char i,
 }
 
 static int print_ip_arg(struct trace_seq *s, const char *ptr,
-			void *data, int size, struct tep_event_format *event,
+			void *data, int size, struct tep_event *event,
 			struct tep_print_arg *arg)
 {
 	char i = *ptr;  /* 'i' or 'I' */
@@ -4854,7 +4857,7 @@ void tep_print_field(struct trace_seq *s, void *data,
 }
 
 void tep_print_fields(struct trace_seq *s, void *data,
-		      int size __maybe_unused, struct tep_event_format *event)
+		      int size __maybe_unused, struct tep_event *event)
 {
 	struct tep_format_field *field;
 
@@ -4866,7 +4869,7 @@ void tep_print_fields(struct trace_seq *s, void *data,
 	}
 }
 
-static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_event_format *event)
+static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_event *event)
 {
 	struct tep_handle *pevent = event->pevent;
 	struct tep_print_fmt *print_fmt = &event->print_fmt;
@@ -4881,7 +4884,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_e
 	char format[32];
 	int show_func;
 	int len_as_arg;
-	int len_arg;
+	int len_arg = 0;
 	int len;
 	int ls;
 
@@ -4970,6 +4973,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct tep_e
 
 				if (arg->type == TEP_PRINT_BSTRING) {
 					trace_seq_puts(s, arg->string.string);
+					arg = arg->next;
 					break;
 				}
 
@@ -5146,8 +5150,8 @@ void tep_data_lat_fmt(struct tep_handle *pevent,
 	static int migrate_disable_exists;
 	unsigned int lat_flags;
 	unsigned int pc;
-	int lock_depth;
-	int migrate_disable;
+	int lock_depth = 0;
+	int migrate_disable = 0;
 	int hardirq;
 	int softirq;
 	void *data = record->data;
@@ -5229,7 +5233,7 @@ int tep_data_type(struct tep_handle *pevent, struct tep_record *rec)
  *
  * This returns the event form a given @type;
  */
-struct tep_event_format *tep_data_event_from_type(struct tep_handle *pevent, int type)
+struct tep_event *tep_data_event_from_type(struct tep_handle *pevent, int type)
 {
 	return tep_find_event(pevent, type);
 }
@@ -5313,9 +5317,9 @@ pid_from_cmdlist(struct tep_handle *pevent, const char *comm, struct cmdline *ne
  * This returns the cmdline structure that holds a pid for a given
  * comm, or NULL if none found. As there may be more than one pid for
  * a given comm, the result of this call can be passed back into
- * a recurring call in the @next paramater, and then it will find the
+ * a recurring call in the @next parameter, and then it will find the
  * next pid.
- * Also, it does a linear seach, so it may be slow.
+ * Also, it does a linear search, so it may be slow.
  */
 struct cmdline *tep_data_pid_from_comm(struct tep_handle *pevent, const char *comm,
 				       struct cmdline *next)
@@ -5387,7 +5391,7 @@ int tep_cmdline_pid(struct tep_handle *pevent, struct cmdline *cmdline)
  * This parses the raw @data using the given @event information and
  * writes the print format into the trace_seq.
  */
-void tep_event_info(struct trace_seq *s, struct tep_event_format *event,
+void tep_event_info(struct trace_seq *s, struct tep_event *event,
 		    struct tep_record *record)
 {
 	int print_pretty = 1;
@@ -5409,7 +5413,7 @@ void tep_event_info(struct trace_seq *s, struct tep_event_format *event,
 
 static bool is_timestamp_in_us(char *trace_clock, bool use_trace_clock)
 {
-	if (!use_trace_clock)
+	if (!trace_clock || !use_trace_clock)
 		return true;
 
 	if (!strcmp(trace_clock, "local") || !strcmp(trace_clock, "global")
@@ -5428,7 +5432,7 @@ static bool is_timestamp_in_us(char *trace_clock, bool use_trace_clock)
  * Returns the associated event for a given record, or NULL if non is
  * is found.
  */
-struct tep_event_format *
+struct tep_event *
 tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record)
 {
 	int type;
@@ -5453,7 +5457,7 @@ tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record)
  * Writes the tasks comm, pid and CPU to @s.
  */
 void tep_print_event_task(struct tep_handle *pevent, struct trace_seq *s,
-			  struct tep_event_format *event,
+			  struct tep_event *event,
 			  struct tep_record *record)
 {
 	void *data = record->data;
@@ -5481,7 +5485,7 @@ void tep_print_event_task(struct tep_handle *pevent, struct trace_seq *s,
  * Writes the timestamp of the record into @s.
  */
 void tep_print_event_time(struct tep_handle *pevent, struct trace_seq *s,
-			  struct tep_event_format *event,
+			  struct tep_event *event,
 			  struct tep_record *record,
 			  bool use_trace_clock)
 {
@@ -5531,7 +5535,7 @@ void tep_print_event_time(struct tep_handle *pevent, struct trace_seq *s,
  * Writes the parsing of the record's data to @s.
  */
 void tep_print_event_data(struct tep_handle *pevent, struct trace_seq *s,
-			  struct tep_event_format *event,
+			  struct tep_event *event,
 			  struct tep_record *record)
 {
 	static const char *spaces = "                    "; /* 20 spaces */
@@ -5550,7 +5554,7 @@ void tep_print_event_data(struct tep_handle *pevent, struct trace_seq *s,
 void tep_print_event(struct tep_handle *pevent, struct trace_seq *s,
 		     struct tep_record *record, bool use_trace_clock)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 
 	event = tep_find_event_by_record(pevent, record);
 	if (!event) {
@@ -5572,8 +5576,8 @@ void tep_print_event(struct tep_handle *pevent, struct trace_seq *s,
 
 static int events_id_cmp(const void *a, const void *b)
 {
-	struct tep_event_format * const * ea = a;
-	struct tep_event_format * const * eb = b;
+	struct tep_event * const * ea = a;
+	struct tep_event * const * eb = b;
 
 	if ((*ea)->id < (*eb)->id)
 		return -1;
@@ -5586,8 +5590,8 @@ static int events_id_cmp(const void *a, const void *b)
 
 static int events_name_cmp(const void *a, const void *b)
 {
-	struct tep_event_format * const * ea = a;
-	struct tep_event_format * const * eb = b;
+	struct tep_event * const * ea = a;
+	struct tep_event * const * eb = b;
 	int res;
 
 	res = strcmp((*ea)->name, (*eb)->name);
@@ -5603,8 +5607,8 @@ static int events_name_cmp(const void *a, const void *b)
 
 static int events_system_cmp(const void *a, const void *b)
 {
-	struct tep_event_format * const * ea = a;
-	struct tep_event_format * const * eb = b;
+	struct tep_event * const * ea = a;
+	struct tep_event * const * eb = b;
 	int res;
 
 	res = strcmp((*ea)->system, (*eb)->system);
@@ -5618,9 +5622,9 @@ static int events_system_cmp(const void *a, const void *b)
 	return events_id_cmp(a, b);
 }
 
-struct tep_event_format **tep_list_events(struct tep_handle *pevent, enum tep_event_sort_type sort_type)
+struct tep_event **tep_list_events(struct tep_handle *pevent, enum tep_event_sort_type sort_type)
 {
-	struct tep_event_format **events;
+	struct tep_event **events;
 	int (*sort)(const void *a, const void *b);
 
 	events = pevent->sort_events;
@@ -5703,7 +5707,7 @@ get_event_fields(const char *type, const char *name,
  * Returns an allocated array of fields. The last item in the array is NULL.
  * The array must be freed with free().
  */
-struct tep_format_field **tep_event_common_fields(struct tep_event_format *event)
+struct tep_format_field **tep_event_common_fields(struct tep_event *event)
 {
 	return get_event_fields("common", event->name,
 				event->format.nr_common,
@@ -5717,7 +5721,7 @@ struct tep_format_field **tep_event_common_fields(struct tep_event_format *event
  * Returns an allocated array of fields. The last item in the array is NULL.
  * The array must be freed with free().
  */
-struct tep_format_field **tep_event_fields(struct tep_event_format *event)
+struct tep_format_field **tep_event_fields(struct tep_event *event)
 {
 	return get_event_fields("event", event->name,
 				event->format.nr_fields,
@@ -5959,7 +5963,7 @@ int tep_parse_header_page(struct tep_handle *pevent, char *buf, unsigned long si
 	return 0;
 }
 
-static int event_matches(struct tep_event_format *event,
+static int event_matches(struct tep_event *event,
 			 int id, const char *sys_name,
 			 const char *event_name)
 {
@@ -5982,7 +5986,7 @@ static void free_handler(struct event_handler *handle)
 	free(handle);
 }
 
-static int find_event_handle(struct tep_handle *pevent, struct tep_event_format *event)
+static int find_event_handle(struct tep_handle *pevent, struct tep_event *event)
 {
 	struct event_handler *handle, **next;
 
@@ -6023,11 +6027,11 @@ static int find_event_handle(struct tep_handle *pevent, struct tep_event_format
  *
  * /sys/kernel/debug/tracing/events/.../.../format
  */
-enum tep_errno __tep_parse_format(struct tep_event_format **eventp,
+enum tep_errno __tep_parse_format(struct tep_event **eventp,
 				  struct tep_handle *pevent, const char *buf,
 				  unsigned long size, const char *sys)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 	int ret;
 
 	init_input_buf(buf, size);
@@ -6132,12 +6136,12 @@ enum tep_errno __tep_parse_format(struct tep_event_format **eventp,
 
 static enum tep_errno
 __parse_event(struct tep_handle *pevent,
-	      struct tep_event_format **eventp,
+	      struct tep_event **eventp,
 	      const char *buf, unsigned long size,
 	      const char *sys)
 {
 	int ret = __tep_parse_format(eventp, pevent, buf, size, sys);
-	struct tep_event_format *event = *eventp;
+	struct tep_event *event = *eventp;
 
 	if (event == NULL)
 		return ret;
@@ -6154,7 +6158,7 @@ __parse_event(struct tep_handle *pevent,
 	return 0;
 
 event_add_failed:
-	tep_free_format(event);
+	tep_free_event(event);
 	return ret;
 }
 
@@ -6174,7 +6178,7 @@ event_add_failed:
  * /sys/kernel/debug/tracing/events/.../.../format
  */
 enum tep_errno tep_parse_format(struct tep_handle *pevent,
-				struct tep_event_format **eventp,
+				struct tep_event **eventp,
 				const char *buf,
 				unsigned long size, const char *sys)
 {
@@ -6198,7 +6202,7 @@ enum tep_errno tep_parse_format(struct tep_handle *pevent,
 enum tep_errno tep_parse_event(struct tep_handle *pevent, const char *buf,
 			       unsigned long size, const char *sys)
 {
-	struct tep_event_format *event = NULL;
+	struct tep_event *event = NULL;
 	return __parse_event(pevent, &event, buf, size, sys);
 }
 
@@ -6235,7 +6239,7 @@ int get_field_val(struct trace_seq *s, struct tep_format_field *field,
  *
  * On failure, it returns NULL.
  */
-void *tep_get_field_raw(struct trace_seq *s, struct tep_event_format *event,
+void *tep_get_field_raw(struct trace_seq *s, struct tep_event *event,
 			const char *name, struct tep_record *record,
 			int *len, int err)
 {
@@ -6282,7 +6286,7 @@ void *tep_get_field_raw(struct trace_seq *s, struct tep_event_format *event,
  *
  * Returns 0 on success -1 on field not found.
  */
-int tep_get_field_val(struct trace_seq *s, struct tep_event_format *event,
+int tep_get_field_val(struct trace_seq *s, struct tep_event *event,
 		      const char *name, struct tep_record *record,
 		      unsigned long long *val, int err)
 {
@@ -6307,7 +6311,7 @@ int tep_get_field_val(struct trace_seq *s, struct tep_event_format *event,
  *
  * Returns 0 on success -1 on field not found.
  */
-int tep_get_common_field_val(struct trace_seq *s, struct tep_event_format *event,
+int tep_get_common_field_val(struct trace_seq *s, struct tep_event *event,
 			     const char *name, struct tep_record *record,
 			     unsigned long long *val, int err)
 {
@@ -6332,7 +6336,7 @@ int tep_get_common_field_val(struct trace_seq *s, struct tep_event_format *event
  *
  * Returns 0 on success -1 on field not found.
  */
-int tep_get_any_field_val(struct trace_seq *s, struct tep_event_format *event,
+int tep_get_any_field_val(struct trace_seq *s, struct tep_event *event,
 			  const char *name, struct tep_record *record,
 			  unsigned long long *val, int err)
 {
@@ -6358,7 +6362,7 @@ int tep_get_any_field_val(struct trace_seq *s, struct tep_event_format *event,
  * Returns: 0 on success, -1 field not found, or 1 if buffer is full.
  */
 int tep_print_num_field(struct trace_seq *s, const char *fmt,
-			struct tep_event_format *event, const char *name,
+			struct tep_event *event, const char *name,
 			struct tep_record *record, int err)
 {
 	struct tep_format_field *field = tep_find_field(event, name);
@@ -6390,7 +6394,7 @@ int tep_print_num_field(struct trace_seq *s, const char *fmt,
  * Returns: 0 on success, -1 field not found, or 1 if buffer is full.
  */
 int tep_print_func_field(struct trace_seq *s, const char *fmt,
-			 struct tep_event_format *event, const char *name,
+			 struct tep_event *event, const char *name,
 			 struct tep_record *record, int err)
 {
 	struct tep_format_field *field = tep_find_field(event, name);
@@ -6550,11 +6554,11 @@ int tep_unregister_print_function(struct tep_handle *pevent,
 	return -1;
 }
 
-static struct tep_event_format *search_event(struct tep_handle *pevent, int id,
-					 const char *sys_name,
-					 const char *event_name)
+static struct tep_event *search_event(struct tep_handle *pevent, int id,
+				      const char *sys_name,
+				      const char *event_name)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 
 	if (id >= 0) {
 		/* search by id */
@@ -6594,7 +6598,7 @@ int tep_register_event_handler(struct tep_handle *pevent, int id,
 			       const char *sys_name, const char *event_name,
 			       tep_event_handler_func func, void *context)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 	struct event_handler *handle;
 
 	event = search_event(pevent, id, sys_name, event_name);
@@ -6678,7 +6682,7 @@ int tep_unregister_event_handler(struct tep_handle *pevent, int id,
 				 const char *sys_name, const char *event_name,
 				 tep_event_handler_func func, void *context)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 	struct event_handler *handle;
 	struct event_handler **next;
 
@@ -6730,6 +6734,13 @@ void tep_ref(struct tep_handle *pevent)
 	pevent->ref_count++;
 }
 
+int tep_get_ref(struct tep_handle *tep)
+{
+	if (tep)
+		return tep->ref_count;
+	return 0;
+}
+
 void tep_free_format_field(struct tep_format_field *field)
 {
 	free(field->type);
@@ -6756,7 +6767,7 @@ static void free_formats(struct tep_format *format)
 	free_format_fields(format->fields);
 }
 
-void tep_free_format(struct tep_event_format *event)
+void tep_free_event(struct tep_event *event)
 {
 	free(event->name);
 	free(event->system);
@@ -6842,7 +6853,7 @@ void tep_free(struct tep_handle *pevent)
 	}
 
 	for (i = 0; i < pevent->nr_events; i++)
-		tep_free_format(pevent->events[i]);
+		tep_free_event(pevent->events[i]);
 
 	while (pevent->handlers) {
 		handle = pevent->handlers;
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 16bf4c890b6f..35d37087d3c5 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -57,11 +57,11 @@ struct tep_record {
 /* ----------------------- tep ----------------------- */
 
 struct tep_handle;
-struct tep_event_format;
+struct tep_event;
 
 typedef int (*tep_event_handler_func)(struct trace_seq *s,
 				      struct tep_record *record,
-				      struct tep_event_format *event,
+				      struct tep_event *event,
 				      void *context);
 
 typedef int (*tep_plugin_load_func)(struct tep_handle *pevent);
@@ -143,7 +143,7 @@ enum tep_format_flags {
 
 struct tep_format_field {
 	struct tep_format_field	*next;
-	struct tep_event_format	*event;
+	struct tep_event	*event;
 	char			*type;
 	char			*name;
 	char			*alias;
@@ -277,7 +277,7 @@ struct tep_print_fmt {
 	struct tep_print_arg	*args;
 };
 
-struct tep_event_format {
+struct tep_event {
 	struct tep_handle	*pevent;
 	char			*name;
 	int			id;
@@ -409,20 +409,6 @@ void tep_print_plugins(struct trace_seq *s,
 typedef char *(tep_func_resolver_t)(void *priv,
 				    unsigned long long *addrp, char **modp);
 void tep_set_flag(struct tep_handle *tep, int flag);
-unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data);
-unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data);
-unsigned long long
-__tep_data2host8(struct tep_handle *pevent, unsigned long long data);
-
-#define tep_data2host2(pevent, ptr)	__tep_data2host2(pevent, *(unsigned short *)(ptr))
-#define tep_data2host4(pevent, ptr)	__tep_data2host4(pevent, *(unsigned int *)(ptr))
-#define tep_data2host8(pevent, ptr)	\
-({								\
-	unsigned long long __val;				\
-								\
-	memcpy(&__val, (ptr), sizeof(unsigned long long));	\
-	__tep_data2host8(pevent, __val);				\
-})
 
 static inline int tep_host_bigendian(void)
 {
@@ -454,14 +440,14 @@ int tep_register_print_string(struct tep_handle *pevent, const char *fmt,
 int tep_pid_is_registered(struct tep_handle *pevent, int pid);
 
 void tep_print_event_task(struct tep_handle *pevent, struct trace_seq *s,
-			  struct tep_event_format *event,
+			  struct tep_event *event,
 			  struct tep_record *record);
 void tep_print_event_time(struct tep_handle *pevent, struct trace_seq *s,
-			  struct tep_event_format *event,
+			  struct tep_event *event,
 			  struct tep_record *record,
 			  bool use_trace_clock);
 void tep_print_event_data(struct tep_handle *pevent, struct trace_seq *s,
-			  struct tep_event_format *event,
+			  struct tep_event *event,
 			  struct tep_record *record);
 void tep_print_event(struct tep_handle *pevent, struct trace_seq *s,
 		     struct tep_record *record, bool use_trace_clock);
@@ -472,32 +458,30 @@ int tep_parse_header_page(struct tep_handle *pevent, char *buf, unsigned long si
 enum tep_errno tep_parse_event(struct tep_handle *pevent, const char *buf,
 			       unsigned long size, const char *sys);
 enum tep_errno tep_parse_format(struct tep_handle *pevent,
-				struct tep_event_format **eventp,
+				struct tep_event **eventp,
 				const char *buf,
 				unsigned long size, const char *sys);
-void tep_free_format(struct tep_event_format *event);
-void tep_free_format_field(struct tep_format_field *field);
 
-void *tep_get_field_raw(struct trace_seq *s, struct tep_event_format *event,
+void *tep_get_field_raw(struct trace_seq *s, struct tep_event *event,
 			const char *name, struct tep_record *record,
 			int *len, int err);
 
-int tep_get_field_val(struct trace_seq *s, struct tep_event_format *event,
+int tep_get_field_val(struct trace_seq *s, struct tep_event *event,
 		      const char *name, struct tep_record *record,
 		      unsigned long long *val, int err);
-int tep_get_common_field_val(struct trace_seq *s, struct tep_event_format *event,
+int tep_get_common_field_val(struct trace_seq *s, struct tep_event *event,
 			     const char *name, struct tep_record *record,
 			     unsigned long long *val, int err);
-int tep_get_any_field_val(struct trace_seq *s, struct tep_event_format *event,
+int tep_get_any_field_val(struct trace_seq *s, struct tep_event *event,
 			  const char *name, struct tep_record *record,
 			  unsigned long long *val, int err);
 
 int tep_print_num_field(struct trace_seq *s, const char *fmt,
-			struct tep_event_format *event, const char *name,
+			struct tep_event *event, const char *name,
 			struct tep_record *record, int err);
 
 int tep_print_func_field(struct trace_seq *s, const char *fmt,
-			 struct tep_event_format *event, const char *name,
+			 struct tep_event *event, const char *name,
 			 struct tep_record *record, int err);
 
 int tep_register_event_handler(struct tep_handle *pevent, int id,
@@ -513,9 +497,9 @@ int tep_register_print_function(struct tep_handle *pevent,
 int tep_unregister_print_function(struct tep_handle *pevent,
 				  tep_func_handler func, char *name);
 
-struct tep_format_field *tep_find_common_field(struct tep_event_format *event, const char *name);
-struct tep_format_field *tep_find_field(struct tep_event_format *event, const char *name);
-struct tep_format_field *tep_find_any_field(struct tep_event_format *event, const char *name);
+struct tep_format_field *tep_find_common_field(struct tep_event *event, const char *name);
+struct tep_format_field *tep_find_field(struct tep_event *event, const char *name);
+struct tep_format_field *tep_find_any_field(struct tep_event *event, const char *name);
 
 const char *tep_find_function(struct tep_handle *pevent, unsigned long long addr);
 unsigned long long
@@ -524,19 +508,19 @@ unsigned long long tep_read_number(struct tep_handle *pevent, const void *ptr, i
 int tep_read_number_field(struct tep_format_field *field, const void *data,
 			  unsigned long long *value);
 
-struct tep_event_format *tep_get_first_event(struct tep_handle *tep);
+struct tep_event *tep_get_first_event(struct tep_handle *tep);
 int tep_get_events_count(struct tep_handle *tep);
-struct tep_event_format *tep_find_event(struct tep_handle *pevent, int id);
+struct tep_event *tep_find_event(struct tep_handle *pevent, int id);
 
-struct tep_event_format *
+struct tep_event *
 tep_find_event_by_name(struct tep_handle *pevent, const char *sys, const char *name);
-struct tep_event_format *
+struct tep_event *
 tep_find_event_by_record(struct tep_handle *pevent, struct tep_record *record);
 
 void tep_data_lat_fmt(struct tep_handle *pevent,
 		      struct trace_seq *s, struct tep_record *record);
 int tep_data_type(struct tep_handle *pevent, struct tep_record *rec);
-struct tep_event_format *tep_data_event_from_type(struct tep_handle *pevent, int type);
+struct tep_event *tep_data_event_from_type(struct tep_handle *pevent, int type);
 int tep_data_pid(struct tep_handle *pevent, struct tep_record *rec);
 int tep_data_preempt_count(struct tep_handle *pevent, struct tep_record *rec);
 int tep_data_flags(struct tep_handle *pevent, struct tep_record *rec);
@@ -549,15 +533,15 @@ int tep_cmdline_pid(struct tep_handle *pevent, struct cmdline *cmdline);
 void tep_print_field(struct trace_seq *s, void *data,
 		     struct tep_format_field *field);
 void tep_print_fields(struct trace_seq *s, void *data,
-		      int size __maybe_unused, struct tep_event_format *event);
-void tep_event_info(struct trace_seq *s, struct tep_event_format *event,
-		       struct tep_record *record);
+		      int size __maybe_unused, struct tep_event *event);
+void tep_event_info(struct trace_seq *s, struct tep_event *event,
+		    struct tep_record *record);
 int tep_strerror(struct tep_handle *pevent, enum tep_errno errnum,
-		    char *buf, size_t buflen);
+		 char *buf, size_t buflen);
 
-struct tep_event_format **tep_list_events(struct tep_handle *pevent, enum tep_event_sort_type);
-struct tep_format_field **tep_event_common_fields(struct tep_event_format *event);
-struct tep_format_field **tep_event_fields(struct tep_event_format *event);
+struct tep_event **tep_list_events(struct tep_handle *pevent, enum tep_event_sort_type);
+struct tep_format_field **tep_event_common_fields(struct tep_event *event);
+struct tep_format_field **tep_event_fields(struct tep_event *event);
 
 enum tep_endian {
         TEP_LITTLE_ENDIAN = 0,
@@ -581,6 +565,7 @@ struct tep_handle *tep_alloc(void);
 void tep_free(struct tep_handle *pevent);
 void tep_ref(struct tep_handle *pevent);
 void tep_unref(struct tep_handle *pevent);
+int tep_get_ref(struct tep_handle *tep);
 
 /* access to the internal parser */
 void tep_buffer_init(const char *buf, unsigned long long size);
@@ -712,7 +697,7 @@ struct tep_filter_arg {
 
 struct tep_filter_type {
 	int			event_id;
-	struct tep_event_format	*event;
+	struct tep_event	*event;
 	struct tep_filter_arg	*filter;
 };
 
diff --git a/tools/lib/traceevent/libtraceevent.pc.template b/tools/lib/traceevent/libtraceevent.pc.template
new file mode 100644
index 000000000000..42e4d6cb6b9e
--- /dev/null
+++ b/tools/lib/traceevent/libtraceevent.pc.template
@@ -0,0 +1,10 @@
+prefix=INSTALL_PREFIX
+libdir=${prefix}/lib64
+includedir=${prefix}/include/traceevent
+
+Name: libtraceevent
+URL: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
+Description: Linux kernel trace event library
+Version: LIB_VERSION
+Cflags: -I${includedir}
+Libs: -L${libdir} -ltraceevent
diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index ed87cb56713d..cb5ce66dab6e 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -27,7 +27,7 @@ static struct tep_format_field cpu = {
 
 struct event_list {
 	struct event_list	*next;
-	struct tep_event_format	*event;
+	struct tep_event	*event;
 };
 
 static void show_error(char *error_buf, const char *fmt, ...)
@@ -229,7 +229,7 @@ static void free_arg(struct tep_filter_arg *arg)
 }
 
 static int add_event(struct event_list **events,
-		     struct tep_event_format *event)
+		     struct tep_event *event)
 {
 	struct event_list *list;
 
@@ -243,7 +243,7 @@ static int add_event(struct event_list **events,
 	return 0;
 }
 
-static int event_match(struct tep_event_format *event,
+static int event_match(struct tep_event *event,
 		       regex_t *sreg, regex_t *ereg)
 {
 	if (sreg) {
@@ -259,7 +259,7 @@ static enum tep_errno
 find_event(struct tep_handle *pevent, struct event_list **events,
 	   char *sys_name, char *event_name)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 	regex_t ereg;
 	regex_t sreg;
 	int match = 0;
@@ -334,7 +334,7 @@ static void free_events(struct event_list *events)
 }
 
 static enum tep_errno
-create_arg_item(struct tep_event_format *event, const char *token,
+create_arg_item(struct tep_event *event, const char *token,
 		enum tep_event_type type, struct tep_filter_arg **parg, char *error_str)
 {
 	struct tep_format_field *field;
@@ -940,7 +940,7 @@ static int collapse_tree(struct tep_filter_arg *arg,
 }
 
 static enum tep_errno
-process_filter(struct tep_event_format *event, struct tep_filter_arg **parg,
+process_filter(struct tep_event *event, struct tep_filter_arg **parg,
 	       char *error_str, int not)
 {
 	enum tep_event_type type;
@@ -1180,7 +1180,7 @@ process_filter(struct tep_event_format *event, struct tep_filter_arg **parg,
 }
 
 static enum tep_errno
-process_event(struct tep_event_format *event, const char *filter_str,
+process_event(struct tep_event *event, const char *filter_str,
 	      struct tep_filter_arg **parg, char *error_str)
 {
 	int ret;
@@ -1205,7 +1205,7 @@ process_event(struct tep_event_format *event, const char *filter_str,
 }
 
 static enum tep_errno
-filter_event(struct tep_event_filter *filter, struct tep_event_format *event,
+filter_event(struct tep_event_filter *filter, struct tep_event *event,
 	     const char *filter_str, char *error_str)
 {
 	struct tep_filter_type *filter_type;
@@ -1457,7 +1457,7 @@ static int copy_filter_type(struct tep_event_filter *filter,
 			    struct tep_filter_type *filter_type)
 {
 	struct tep_filter_arg *arg;
-	struct tep_event_format *event;
+	struct tep_event *event;
 	const char *sys;
 	const char *name;
 	char *str;
@@ -1539,7 +1539,7 @@ int tep_update_trivial(struct tep_event_filter *dest, struct tep_event_filter *s
 {
 	struct tep_handle *src_pevent;
 	struct tep_handle *dest_pevent;
-	struct tep_event_format *event;
+	struct tep_event *event;
 	struct tep_filter_type *filter_type;
 	struct tep_filter_arg *arg;
 	char *str;
@@ -1683,11 +1683,11 @@ int tep_filter_event_has_trivial(struct tep_event_filter *filter,
 	}
 }
 
-static int test_filter(struct tep_event_format *event, struct tep_filter_arg *arg,
+static int test_filter(struct tep_event *event, struct tep_filter_arg *arg,
 		       struct tep_record *record, enum tep_errno *err);
 
 static const char *
-get_comm(struct tep_event_format *event, struct tep_record *record)
+get_comm(struct tep_event *event, struct tep_record *record)
 {
 	const char *comm;
 	int pid;
@@ -1698,7 +1698,7 @@ get_comm(struct tep_event_format *event, struct tep_record *record)
 }
 
 static unsigned long long
-get_value(struct tep_event_format *event,
+get_value(struct tep_event *event,
 	  struct tep_format_field *field, struct tep_record *record)
 {
 	unsigned long long val;
@@ -1734,11 +1734,11 @@ get_value(struct tep_event_format *event,
 }
 
 static unsigned long long
-get_arg_value(struct tep_event_format *event, struct tep_filter_arg *arg,
+get_arg_value(struct tep_event *event, struct tep_filter_arg *arg,
 	      struct tep_record *record, enum tep_errno *err);
 
 static unsigned long long
-get_exp_value(struct tep_event_format *event, struct tep_filter_arg *arg,
+get_exp_value(struct tep_event *event, struct tep_filter_arg *arg,
 	      struct tep_record *record, enum tep_errno *err)
 {
 	unsigned long long lval, rval;
@@ -1793,7 +1793,7 @@ get_exp_value(struct tep_event_format *event, struct tep_filter_arg *arg,
 }
 
 static unsigned long long
-get_arg_value(struct tep_event_format *event, struct tep_filter_arg *arg,
+get_arg_value(struct tep_event *event, struct tep_filter_arg *arg,
 	      struct tep_record *record, enum tep_errno *err)
 {
 	switch (arg->type) {
@@ -1817,7 +1817,7 @@ get_arg_value(struct tep_event_format *event, struct tep_filter_arg *arg,
 	return 0;
 }
 
-static int test_num(struct tep_event_format *event, struct tep_filter_arg *arg,
+static int test_num(struct tep_event *event, struct tep_filter_arg *arg,
 		    struct tep_record *record, enum tep_errno *err)
 {
 	unsigned long long lval, rval;
@@ -1860,7 +1860,7 @@ static int test_num(struct tep_event_format *event, struct tep_filter_arg *arg,
 
 static const char *get_field_str(struct tep_filter_arg *arg, struct tep_record *record)
 {
-	struct tep_event_format *event;
+	struct tep_event *event;
 	struct tep_handle *pevent;
 	unsigned long long addr;
 	const char *val = NULL;
@@ -1908,7 +1908,7 @@ static const char *get_field_str(struct tep_filter_arg *arg, struct tep_record *
 	return val;
 }
 
-static int test_str(struct tep_event_format *event, struct tep_filter_arg *arg,
+static int test_str(struct tep_event *event, struct tep_filter_arg *arg,
 		    struct tep_record *record, enum tep_errno *err)
 {
 	const char *val;
@@ -1939,7 +1939,7 @@ static int test_str(struct tep_event_format *event, struct tep_filter_arg *arg,
 	}
 }
 
-static int test_op(struct tep_event_format *event, struct tep_filter_arg *arg,
+static int test_op(struct tep_event *event, struct tep_filter_arg *arg,
 		   struct tep_record *record, enum tep_errno *err)
 {
 	switch (arg->op.type) {
@@ -1961,7 +1961,7 @@ static int test_op(struct tep_event_format *event, struct tep_filter_arg *arg,
 	}
 }
 
-static int test_filter(struct tep_event_format *event, struct tep_filter_arg *arg,
+static int test_filter(struct tep_event *event, struct tep_filter_arg *arg,
 		       struct tep_record *record, enum tep_errno *err)
 {
 	if (*err) {
diff --git a/tools/lib/traceevent/plugin_function.c b/tools/lib/traceevent/plugin_function.c
index 528acc75d81a..a73eca34a8f9 100644
--- a/tools/lib/traceevent/plugin_function.c
+++ b/tools/lib/traceevent/plugin_function.c
@@ -124,7 +124,7 @@ static int add_and_get_index(const char *parent, const char *child, int cpu)
 }
 
 static int function_handler(struct trace_seq *s, struct tep_record *record,
-			    struct tep_event_format *event, void *context)
+			    struct tep_event *event, void *context)
 {
 	struct tep_handle *pevent = event->pevent;
 	unsigned long long function;
diff --git a/tools/lib/traceevent/plugin_hrtimer.c b/tools/lib/traceevent/plugin_hrtimer.c
index 9aa05b4ca811..5db5e401275f 100644
--- a/tools/lib/traceevent/plugin_hrtimer.c
+++ b/tools/lib/traceevent/plugin_hrtimer.c
@@ -27,7 +27,7 @@
 
 static int timer_expire_handler(struct trace_seq *s,
 				struct tep_record *record,
-				struct tep_event_format *event, void *context)
+				struct tep_event *event, void *context)
 {
 	trace_seq_printf(s, "hrtimer=");
 
@@ -47,7 +47,7 @@ static int timer_expire_handler(struct trace_seq *s,
 
 static int timer_start_handler(struct trace_seq *s,
 			       struct tep_record *record,
-			       struct tep_event_format *event, void *context)
+			       struct tep_event *event, void *context)
 {
 	trace_seq_printf(s, "hrtimer=");
 
diff --git a/tools/lib/traceevent/plugin_kmem.c b/tools/lib/traceevent/plugin_kmem.c
index 1beb4eaddfdf..0e3c601f9ed1 100644
--- a/tools/lib/traceevent/plugin_kmem.c
+++ b/tools/lib/traceevent/plugin_kmem.c
@@ -25,7 +25,7 @@
 #include "trace-seq.h"
 
 static int call_site_handler(struct trace_seq *s, struct tep_record *record,
-			     struct tep_event_format *event, void *context)
+			     struct tep_event *event, void *context)
 {
 	struct tep_format_field *field;
 	unsigned long long val, addr;
diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c
index d13c22846fa9..754050eea467 100644
--- a/tools/lib/traceevent/plugin_kvm.c
+++ b/tools/lib/traceevent/plugin_kvm.c
@@ -249,7 +249,7 @@ static const char *find_exit_reason(unsigned isa, int val)
 }
 
 static int print_exit_reason(struct trace_seq *s, struct tep_record *record,
-			     struct tep_event_format *event, const char *field)
+			     struct tep_event *event, const char *field)
 {
 	unsigned long long isa;
 	unsigned long long val;
@@ -270,7 +270,7 @@ static int print_exit_reason(struct trace_seq *s, struct tep_record *record,
 }
 
 static int kvm_exit_handler(struct trace_seq *s, struct tep_record *record,
-			    struct tep_event_format *event, void *context)
+			    struct tep_event *event, void *context)
 {
 	unsigned long long info1 = 0, info2 = 0;
 
@@ -293,7 +293,7 @@ static int kvm_exit_handler(struct trace_seq *s, struct tep_record *record,
 
 static int kvm_emulate_insn_handler(struct trace_seq *s,
 				    struct tep_record *record,
-				    struct tep_event_format *event, void *context)
+				    struct tep_event *event, void *context)
 {
 	unsigned long long rip, csbase, len, flags, failed;
 	int llen;
@@ -332,7 +332,7 @@ static int kvm_emulate_insn_handler(struct trace_seq *s,
 
 
 static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct tep_record *record,
-					    struct tep_event_format *event, void *context)
+					    struct tep_event *event, void *context)
 {
 	if (print_exit_reason(s, record, event, "exit_code") < 0)
 		return -1;
@@ -346,7 +346,7 @@ static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct tep_reco
 }
 
 static int kvm_nested_vmexit_handler(struct trace_seq *s, struct tep_record *record,
-				     struct tep_event_format *event, void *context)
+				     struct tep_event *event, void *context)
 {
 	tep_print_num_field(s, "rip %llx ", event, "rip", record, 1);
 
@@ -372,7 +372,7 @@ union kvm_mmu_page_role {
 };
 
 static int kvm_mmu_print_role(struct trace_seq *s, struct tep_record *record,
-			      struct tep_event_format *event, void *context)
+			      struct tep_event *event, void *context)
 {
 	unsigned long long val;
 	static const char *access_str[] = {
@@ -387,7 +387,7 @@ static int kvm_mmu_print_role(struct trace_seq *s, struct tep_record *record,
 
 	/*
 	 * We can only use the structure if file is of the same
-	 * endianess.
+	 * endianness.
 	 */
 	if (tep_is_file_bigendian(event->pevent) ==
 	    tep_is_host_bigendian(event->pevent)) {
@@ -419,7 +419,7 @@ static int kvm_mmu_print_role(struct trace_seq *s, struct tep_record *record,
 
 static int kvm_mmu_get_page_handler(struct trace_seq *s,
 				    struct tep_record *record,
-				    struct tep_event_format *event, void *context)
+				    struct tep_event *event, void *context)
 {
 	unsigned long long val;
 
diff --git a/tools/lib/traceevent/plugin_mac80211.c b/tools/lib/traceevent/plugin_mac80211.c
index da3855e7b86f..e38b9477aad2 100644
--- a/tools/lib/traceevent/plugin_mac80211.c
+++ b/tools/lib/traceevent/plugin_mac80211.c
@@ -26,7 +26,7 @@
 
 #define INDENT 65
 
-static void print_string(struct trace_seq *s, struct tep_event_format *event,
+static void print_string(struct trace_seq *s, struct tep_event *event,
 			 const char *name, const void *data)
 {
 	struct tep_format_field *f = tep_find_field(event, name);
@@ -60,7 +60,7 @@ static void print_string(struct trace_seq *s, struct tep_event_format *event,
 
 static int drv_bss_info_changed(struct trace_seq *s,
 				struct tep_record *record,
-				struct tep_event_format *event, void *context)
+				struct tep_event *event, void *context)
 {
 	void *data = record->data;
 
diff --git a/tools/lib/traceevent/plugin_sched_switch.c b/tools/lib/traceevent/plugin_sched_switch.c
index 77882272672f..834c9e378ff8 100644
--- a/tools/lib/traceevent/plugin_sched_switch.c
+++ b/tools/lib/traceevent/plugin_sched_switch.c
@@ -67,7 +67,7 @@ static void write_and_save_comm(struct tep_format_field *field,
 
 static int sched_wakeup_handler(struct trace_seq *s,
 				struct tep_record *record,
-				struct tep_event_format *event, void *context)
+				struct tep_event *event, void *context)
 {
 	struct tep_format_field *field;
 	unsigned long long val;
@@ -96,7 +96,7 @@ static int sched_wakeup_handler(struct trace_seq *s,
 
 static int sched_switch_handler(struct trace_seq *s,
 				struct tep_record *record,
-				struct tep_event_format *event, void *context)
+				struct tep_event *event, void *context)
 {
 	struct tep_format_field *field;
 	unsigned long long val;