Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent

tools/perf/util/annotate.c

@@ -294,7 +294,7 @@ fallback:
 		free_filename = false;
 	}
 
-	if (dso->origin == DSO__ORIG_KERNEL) {
+	if (dso->symtab_type == SYMTAB__KALLSYMS) {
 		char bf[BUILD_ID_SIZE * 2 + 16] = " with build id ";
 		char *build_id_msg = NULL;
 

tools/perf/util/parse-events.c

@@ -263,6 +263,28 @@ static char *event_cache_name(u8 cache_type, u8 cache_op, u8 cache_result)
 	return name;
 }
 
+const char *event_type(int type)
+{
+	switch (type) {
+	case PERF_TYPE_HARDWARE:
+		return "hardware";
+
+	case PERF_TYPE_SOFTWARE:
+		return "software";
+
+	case PERF_TYPE_TRACEPOINT:
+		return "tracepoint";
+
+	case PERF_TYPE_HW_CACHE:
+		return "hardware-cache";
+
+	default:
+		break;
+	}
+
+	return "unknown";
+}
+
 const char *event_name(struct perf_evsel *evsel)
 {
 	u64 config = evsel->attr.config;

tools/perf/util/parse-events.h

@@ -20,6 +20,7 @@ struct tracepoint_path {
 extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
 extern bool have_tracepoints(struct list_head *evlist);
 
+const char *event_type(int type);
 const char *event_name(struct perf_evsel *event);
 extern const char *__event_name(int type, u64 config);
 

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

@@ -245,9 +245,10 @@ static inline struct event *find_cache_event(int type)
 	return event;
 }
 
-static void perl_process_event(int cpu, void *data,
-			       int size __unused,
-			       unsigned long long nsecs, char *comm)
+static void perl_process_event(union perf_event *pevent __unused,
+			       struct perf_sample *sample,
+			       struct perf_session *session __unused,
+			       struct thread *thread)
 {
 	struct format_field *field;
 	static char handler[256];
@@ -256,6 +257,10 @@ static void perl_process_event(int cpu, void *data,
 	struct event *event;
 	int type;
 	int pid;
+	int cpu = sample->cpu;
+	void *data = sample->raw_data;
+	unsigned long long nsecs = sample->time;
+	char *comm = thread->comm;
 
 	dSP;
 

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

@@ -204,9 +204,10 @@ static inline struct event *find_cache_event(int type)
 	return event;
 }
 
-static void python_process_event(int cpu, void *data,
-				 int size __unused,
-				 unsigned long long nsecs, char *comm)
+static void python_process_event(union perf_event *pevent __unused,
+				 struct perf_sample *sample,
+				 struct perf_session *session __unused,
+				 struct thread *thread)
 {
 	PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
 	static char handler_name[256];
@@ -217,6 +218,10 @@ static void python_process_event(int cpu, void *data,
 	unsigned n = 0;
 	int type;
 	int pid;
+	int cpu = sample->cpu;
+	void *data = sample->raw_data;
+	unsigned long long nsecs = sample->time;
+	char *comm = thread->comm;
 
 	t = PyTuple_New(MAX_FIELDS);
 	if (!t)

tools/perf/util/session.c

@@ -1134,3 +1134,64 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
 
 	return ret;
 }
+
+void perf_session__print_symbols(union perf_event *event,
+				struct perf_sample *sample,
+				struct perf_session *session)
+{
+	struct addr_location al;
+	const char *symname, *dsoname;
+	struct callchain_cursor *cursor = &session->callchain_cursor;
+	struct callchain_cursor_node *node;
+
+	if (perf_event__preprocess_sample(event, session, &al, sample,
+					  NULL) < 0) {
+		error("problem processing %d event, skipping it.\n",
+			event->header.type);
+		return;
+	}
+
+	if (symbol_conf.use_callchain && sample->callchain) {
+
+		if (perf_session__resolve_callchain(session, al.thread,
+						sample->callchain, NULL) != 0) {
+			if (verbose)
+				error("Failed to resolve callchain. Skipping\n");
+			return;
+		}
+		callchain_cursor_commit(cursor);
+
+		while (1) {
+			node = callchain_cursor_current(cursor);
+			if (!node)
+				break;
+
+			if (node->sym && node->sym->name)
+				symname = node->sym->name;
+			else
+				symname = "";
+
+			if (node->map && node->map->dso && node->map->dso->name)
+				dsoname = node->map->dso->name;
+			else
+				dsoname = "";
+
+			printf("\t%16" PRIx64 " %s (%s)\n", node->ip, symname, dsoname);
+
+			callchain_cursor_advance(cursor);
+		}
+
+	} else {
+		if (al.sym && al.sym->name)
+			symname = al.sym->name;
+		else
+			symname = "";
+
+		if (al.map && al.map->dso && al.map->dso->name)
+			dsoname = al.map->dso->name;
+		else
+			dsoname = "";
+
+		printf("%16" PRIx64 " %s (%s)", al.addr, symname, dsoname);
+	}
+}

tools/perf/util/session.h

@@ -159,4 +159,8 @@ static inline int perf_session__parse_sample(struct perf_session *session,
 					session->sample_id_all, sample);
 }
 
+void perf_session__print_symbols(union perf_event *event,
+				 struct perf_sample *sample,
+				 struct perf_session *session);
+
 #endif /* __PERF_SESSION_H */

tools/perf/util/symbol.c

@@ -207,7 +207,7 @@ struct dso *dso__new(const char *name)
 		dso__set_short_name(self, self->name);
 		for (i = 0; i < MAP__NR_TYPES; ++i)
 			self->symbols[i] = self->symbol_names[i] = RB_ROOT;
-		self->origin = DSO__ORIG_NOT_FOUND;
+		self->symtab_type = SYMTAB__NOT_FOUND;
 		self->loaded = 0;
 		self->sorted_by_name = 0;
 		self->has_build_id = 0;
@@ -680,9 +680,9 @@ int dso__load_kallsyms(struct dso *self, const char *filename,
 		return -1;
 
 	if (self->kernel == DSO_TYPE_GUEST_KERNEL)
-		self->origin = DSO__ORIG_GUEST_KERNEL;
+		self->symtab_type = SYMTAB__GUEST_KALLSYMS;
 	else
-		self->origin = DSO__ORIG_KERNEL;
+		self->symtab_type = SYMTAB__KALLSYMS;
 
 	return dso__split_kallsyms(self, map, filter);
 }
@@ -1204,7 +1204,7 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
 				}
 				curr_map->map_ip = identity__map_ip;
 				curr_map->unmap_ip = identity__map_ip;
-				curr_dso->origin = self->origin;
+				curr_dso->symtab_type = self->symtab_type;
 				map_groups__insert(kmap->kmaps, curr_map);
 				dsos__add(&self->node, curr_dso);
 				dso__set_loaded(curr_dso, map->type);
@@ -1430,21 +1430,21 @@ out:
 char dso__symtab_origin(const struct dso *self)
 {
 	static const char origin[] = {
-		[DSO__ORIG_KERNEL] =   'k',
-		[DSO__ORIG_JAVA_JIT] = 'j',
-		[DSO__ORIG_BUILD_ID_CACHE] = 'B',
-		[DSO__ORIG_FEDORA] =   'f',
-		[DSO__ORIG_UBUNTU] =   'u',
-		[DSO__ORIG_BUILDID] =  'b',
-		[DSO__ORIG_DSO] =      'd',
-		[DSO__ORIG_KMODULE] =  'K',
-		[DSO__ORIG_GUEST_KERNEL] =  'g',
-		[DSO__ORIG_GUEST_KMODULE] =  'G',
+		[SYMTAB__KALLSYMS]	      = 'k',
+		[SYMTAB__JAVA_JIT]	      = 'j',
+		[SYMTAB__BUILD_ID_CACHE]      = 'B',
+		[SYMTAB__FEDORA_DEBUGINFO]    = 'f',
+		[SYMTAB__UBUNTU_DEBUGINFO]    = 'u',
+		[SYMTAB__BUILDID_DEBUGINFO]   = 'b',
+		[SYMTAB__SYSTEM_PATH_DSO]     = 'd',
+		[SYMTAB__SYSTEM_PATH_KMODULE] = 'K',
+		[SYMTAB__GUEST_KALLSYMS]      =  'g',
+		[SYMTAB__GUEST_KMODULE]	      =  'G',
 	};
 
-	if (self == NULL || self->origin == DSO__ORIG_NOT_FOUND)
+	if (self == NULL || self->symtab_type == SYMTAB__NOT_FOUND)
 		return '!';
-	return origin[self->origin];
+	return origin[self->symtab_type];
 }
 
 int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
@@ -1477,8 +1477,8 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 
 	if (strncmp(self->name, "/tmp/perf-", 10) == 0) {
 		ret = dso__load_perf_map(self, map, filter);
-		self->origin = ret > 0 ? DSO__ORIG_JAVA_JIT :
-					 DSO__ORIG_NOT_FOUND;
+		self->symtab_type = ret > 0 ? SYMTAB__JAVA_JIT :
+					      SYMTAB__NOT_FOUND;
 		return ret;
 	}
 
@@ -1486,26 +1486,26 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 	 * On the first pass, only load images if they have a full symtab.
 	 * Failing that, do a second pass where we accept .dynsym also
 	 */
-	for (self->origin = DSO__ORIG_BUILD_ID_CACHE, want_symtab = 1;
-	     self->origin != DSO__ORIG_NOT_FOUND;
-	     self->origin++) {
-		switch (self->origin) {
-		case DSO__ORIG_BUILD_ID_CACHE:
+	for (self->symtab_type = SYMTAB__BUILD_ID_CACHE, want_symtab = 1;
+	     self->symtab_type != SYMTAB__NOT_FOUND;
+	     self->symtab_type++) {
+		switch (self->symtab_type) {
+		case SYMTAB__BUILD_ID_CACHE:
 			/* skip the locally configured cache if a symfs is given */
 			if (symbol_conf.symfs[0] ||
 			    (dso__build_id_filename(self, name, size) == NULL)) {
 				continue;
 			}
 			break;
-		case DSO__ORIG_FEDORA:
+		case SYMTAB__FEDORA_DEBUGINFO:
 			snprintf(name, size, "%s/usr/lib/debug%s.debug",
 				 symbol_conf.symfs, self->long_name);
 			break;
-		case DSO__ORIG_UBUNTU:
+		case SYMTAB__UBUNTU_DEBUGINFO:
 			snprintf(name, size, "%s/usr/lib/debug%s",
 				 symbol_conf.symfs, self->long_name);
 			break;
-		case DSO__ORIG_BUILDID: {
+		case SYMTAB__BUILDID_DEBUGINFO: {
 			char build_id_hex[BUILD_ID_SIZE * 2 + 1];
 
 			if (!self->has_build_id)
@@ -1519,11 +1519,11 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 				 symbol_conf.symfs, build_id_hex, build_id_hex + 2);
 			}
 			break;
-		case DSO__ORIG_DSO:
+		case SYMTAB__SYSTEM_PATH_DSO:
 			snprintf(name, size, "%s%s",
 			     symbol_conf.symfs, self->long_name);
 			break;
-		case DSO__ORIG_GUEST_KMODULE:
+		case SYMTAB__GUEST_KMODULE:
 			if (map->groups && machine)
 				root_dir = machine->root_dir;
 			else
@@ -1532,7 +1532,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 				 root_dir, self->long_name);
 			break;
 
-		case DSO__ORIG_KMODULE:
+		case SYMTAB__SYSTEM_PATH_KMODULE:
 			snprintf(name, size, "%s%s", symbol_conf.symfs,
 				 self->long_name);
 			break;
@@ -1544,7 +1544,7 @@ int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
 			 */
 			if (want_symtab) {
 				want_symtab = 0;
-				self->origin = DSO__ORIG_BUILD_ID_CACHE;
+				self->symtab_type = SYMTAB__BUILD_ID_CACHE;
 			} else
 				continue;
 		}
@@ -1757,9 +1757,9 @@ struct map *machine__new_module(struct machine *self, u64 start,
 		return NULL;
 
 	if (machine__is_host(self))
-		dso->origin = DSO__ORIG_KMODULE;
+		dso->symtab_type = SYMTAB__SYSTEM_PATH_KMODULE;
 	else
-		dso->origin = DSO__ORIG_GUEST_KMODULE;
+		dso->symtab_type = SYMTAB__GUEST_KMODULE;
 	map_groups__insert(&self->kmaps, map);
 	return map;
 }

tools/perf/util/symbol.h

@@ -48,12 +48,17 @@ char *strxfrchar(char *s, char from, char to);
 
 #define BUILD_ID_SIZE 20
 
+/** struct symbol - symtab entry
+ *
+ * @ignore - resolvable but tools ignore it (e.g. idle routines)
+ */
 struct symbol {
 	struct rb_node	rb_node;
 	u64		start;
 	u64		end;
 	u16		namelen;
 	u8		binding;
+	bool		ignore;
 	char		name[0];
 };
 
@@ -137,7 +142,7 @@ struct dso {
 	u8		 annotate_warned:1;
 	u8		 sname_alloc:1;
 	u8		 lname_alloc:1;
-	unsigned char	 origin;
+	unsigned char	 symtab_type;
 	u8		 sorted_by_name;
 	u8		 loaded;
 	u8		 build_id[BUILD_ID_SIZE];
@@ -188,18 +193,18 @@ size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
 size_t dso__fprintf_symbols_by_name(struct dso *self, enum map_type type, FILE *fp);
 size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
 
-enum dso_origin {
-	DSO__ORIG_KERNEL = 0,
-	DSO__ORIG_GUEST_KERNEL,
-	DSO__ORIG_JAVA_JIT,
-	DSO__ORIG_BUILD_ID_CACHE,
-	DSO__ORIG_FEDORA,
-	DSO__ORIG_UBUNTU,
-	DSO__ORIG_BUILDID,
-	DSO__ORIG_DSO,
-	DSO__ORIG_GUEST_KMODULE,
-	DSO__ORIG_KMODULE,
-	DSO__ORIG_NOT_FOUND,
+enum symtab_type {
+	SYMTAB__KALLSYMS = 0,
+	SYMTAB__GUEST_KALLSYMS,
+	SYMTAB__JAVA_JIT,
+	SYMTAB__BUILD_ID_CACHE,
+	SYMTAB__FEDORA_DEBUGINFO,
+	SYMTAB__UBUNTU_DEBUGINFO,
+	SYMTAB__BUILDID_DEBUGINFO,
+	SYMTAB__SYSTEM_PATH_DSO,
+	SYMTAB__GUEST_KMODULE,
+	SYMTAB__SYSTEM_PATH_KMODULE,
+	SYMTAB__NOT_FOUND,
 };
 
 char dso__symtab_origin(const struct dso *self);

tools/perf/util/top.c

@@ -171,7 +171,7 @@ float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)
 {
 	struct sym_entry *syme, *n;
 	float sum_ksamples = 0.0;
-	int snap = !top->display_weighted ? top->sym_counter : 0, j;
+	int snap = !top->display_weighted ? top->sym_evsel->idx : 0, j;
 
 	/* Sort the active symbols */
 	pthread_mutex_lock(&top->active_symbols_lock);
@@ -184,9 +184,9 @@ float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)
 		if (syme->snap_count != 0) {
 
 			if ((top->hide_user_symbols &&
-			     syme->origin == PERF_RECORD_MISC_USER) ||
+			     syme->map->dso->kernel == DSO_TYPE_USER) ||
 			    (top->hide_kernel_symbols &&
-			     syme->origin == PERF_RECORD_MISC_KERNEL)) {
+			     syme->map->dso->kernel == DSO_TYPE_KERNEL)) {
 				perf_top__remove_active_sym(top, syme);
 				continue;
 			}

tools/perf/util/top.h

@@ -16,8 +16,6 @@ struct sym_entry {
 	struct list_head	node;
 	unsigned long		snap_count;
 	double			weight;
-	int			skip;
-	u8			origin;
 	struct map		*map;
 	unsigned long		count[0];
 };
@@ -41,7 +39,7 @@ struct perf_top {
 	u64		   exact_samples;
 	u64		   guest_us_samples, guest_kernel_samples;
 	int		   print_entries, count_filter, delay_secs;
-	int		   display_weighted, freq, rb_entries, sym_counter;
+	int		   display_weighted, freq, rb_entries;
 	pid_t		   target_pid, target_tid;
 	bool		   hide_kernel_symbols, hide_user_symbols, zero;
 	const char	   *cpu_list;

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

@@ -2643,68 +2643,13 @@ static void print_lat_fmt(void *data, int size __unused)
 		printf(".");
 
 	if (lock_depth < 0)
-		printf(".");
+		printf(". ");
 	else
-		printf("%d", lock_depth);
+		printf("%d ", lock_depth);
 }
 
-/* taken from Linux, written by Frederic Weisbecker */
-static void print_graph_cpu(int cpu)
-{
-	int i;
-	int log10_this = log10_cpu(cpu);
-	int log10_all = log10_cpu(cpus);
-
-
-	/*
-	 * Start with a space character - to make it stand out
-	 * to the right a bit when trace output is pasted into
-	 * email:
-	 */
-	printf(" ");
-
-	/*
-	 * Tricky - we space the CPU field according to the max
-	 * number of online CPUs. On a 2-cpu system it would take
-	 * a maximum of 1 digit - on a 128 cpu system it would
-	 * take up to 3 digits:
-	 */
-	for (i = 0; i < log10_all - log10_this; i++)
-		printf(" ");
-
-	printf("%d) ", cpu);
-}
-
-#define TRACE_GRAPH_PROCINFO_LENGTH	14
 #define TRACE_GRAPH_INDENT	2
 
-static void print_graph_proc(int pid, const char *comm)
-{
-	/* sign + log10(MAX_INT) + '\0' */
-	char pid_str[11];
-	int spaces = 0;
-	int len;
-	int i;
-
-	sprintf(pid_str, "%d", pid);
-
-	/* 1 stands for the "-" character */
-	len = strlen(comm) + strlen(pid_str) + 1;
-
-	if (len < TRACE_GRAPH_PROCINFO_LENGTH)
-		spaces = TRACE_GRAPH_PROCINFO_LENGTH - len;
-
-	/* First spaces to align center */
-	for (i = 0; i < spaces / 2; i++)
-		printf(" ");
-
-	printf("%s-%s", comm, pid_str);
-
-	/* Last spaces to align center */
-	for (i = 0; i < spaces - (spaces / 2); i++)
-		printf(" ");
-}
-
 static struct record *
 get_return_for_leaf(int cpu, int cur_pid, unsigned long long cur_func,
 		    struct record *next)
@@ -2876,21 +2821,13 @@ static void print_graph_nested(struct event *event, void *data)
 
 static void
 pretty_print_func_ent(void *data, int size, struct event *event,
-		      int cpu, int pid, const char *comm,
-		      unsigned long secs, unsigned long usecs)
+		      int cpu, int pid)
 {
 	struct format_field *field;
 	struct record *rec;
 	void *copy_data;
 	unsigned long val;
 
-	printf("%5lu.%06lu |  ", secs, usecs);
-
-	print_graph_cpu(cpu);
-	print_graph_proc(pid, comm);
-
-	printf(" | ");
-
 	if (latency_format) {
 		print_lat_fmt(data, size);
 		printf(" | ");
@@ -2923,22 +2860,13 @@ out_free:
 }
 
 static void
-pretty_print_func_ret(void *data, int size __unused, struct event *event,
-		      int cpu, int pid, const char *comm,
-		      unsigned long secs, unsigned long usecs)
+pretty_print_func_ret(void *data, int size __unused, struct event *event)
 {
 	unsigned long long rettime, calltime;
 	unsigned long long duration, depth;
 	struct format_field *field;
 	int i;
 
-	printf("%5lu.%06lu |  ", secs, usecs);
-
-	print_graph_cpu(cpu);
-	print_graph_proc(pid, comm);
-
-	printf(" | ");
-
 	if (latency_format) {
 		print_lat_fmt(data, size);
 		printf(" | ");
@@ -2976,31 +2904,21 @@ pretty_print_func_ret(void *data, int size __unused, struct event *event,
 
 static void
 pretty_print_func_graph(void *data, int size, struct event *event,
-			int cpu, int pid, const char *comm,
-			unsigned long secs, unsigned long usecs)
+			int cpu, int pid)
 {
 	if (event->flags & EVENT_FL_ISFUNCENT)
-		pretty_print_func_ent(data, size, event,
-				      cpu, pid, comm, secs, usecs);
+		pretty_print_func_ent(data, size, event, cpu, pid);
 	else if (event->flags & EVENT_FL_ISFUNCRET)
-		pretty_print_func_ret(data, size, event,
-				      cpu, pid, comm, secs, usecs);
+		pretty_print_func_ret(data, size, event);
 	printf("\n");
 }
 
-void print_event(int cpu, void *data, int size, unsigned long long nsecs,
-		  char *comm)
+void print_trace_event(int cpu, void *data, int size)
 {
 	struct event *event;
-	unsigned long secs;
-	unsigned long usecs;
 	int type;
 	int pid;
 
-	secs = nsecs / NSECS_PER_SEC;
-	nsecs -= secs * NSECS_PER_SEC;
-	usecs = nsecs / NSECS_PER_USEC;
-
 	type = trace_parse_common_type(data);
 
 	event = trace_find_event(type);
@@ -3012,17 +2930,10 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs,
 	pid = trace_parse_common_pid(data);
 
 	if (event->flags & (EVENT_FL_ISFUNCENT | EVENT_FL_ISFUNCRET))
-		return pretty_print_func_graph(data, size, event, cpu,
-					       pid, comm, secs, usecs);
+		return pretty_print_func_graph(data, size, event, cpu, pid);
 
-	if (latency_format) {
-		printf("%8.8s-%-5d %3d",
-		       comm, pid, cpu);
+	if (latency_format)
 		print_lat_fmt(data, size);
-	} else
-		printf("%16s-%-5d [%03d]", comm, pid,  cpu);
-
-	printf(" %5lu.%06lu: %s: ", secs, usecs, event->name);
 
 	if (event->flags & EVENT_FL_FAILED) {
 		printf("EVENT '%s' FAILED TO PARSE\n",
@@ -3031,7 +2942,6 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs,
 	}
 
 	pretty_print(data, size, event);
-	printf("\n");
 }
 
 static void print_fields(struct print_flag_sym *field)

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

@@ -36,11 +36,10 @@ static int stop_script_unsupported(void)
 	return 0;
 }
 
-static void process_event_unsupported(int cpu __unused,
-				      void *data __unused,
-				      int size __unused,
-				      unsigned long long nsecs __unused,
-				      char *comm __unused)
+static void process_event_unsupported(union perf_event *event __unused,
+				      struct perf_sample *sample __unused,
+				      struct perf_session *session __unused,
+				      struct thread *thread __unused)
 {
 }
 

tools/perf/util/trace-event.h

@@ -3,6 +3,7 @@
 
 #include <stdbool.h>
 #include "parse-events.h"
+#include "session.h"
 
 #define __unused __attribute__((unused))
 
@@ -176,8 +177,7 @@ void print_printk(void);
 
 int parse_ftrace_file(char *buf, unsigned long size);
 int parse_event_file(char *buf, unsigned long size, char *sys);
-void print_event(int cpu, void *data, int size, unsigned long long nsecs,
-		  char *comm);
+void print_trace_event(int cpu, void *data, int size);
 
 extern int file_bigendian;
 extern int host_bigendian;
@@ -278,8 +278,10 @@ struct scripting_ops {
 	const char *name;
 	int (*start_script) (const char *script, int argc, const char **argv);
 	int (*stop_script) (void);
-	void (*process_event) (int cpu, void *data, int size,
-			       unsigned long long nsecs, char *comm);
+	void (*process_event) (union perf_event *event,
+			       struct perf_sample *sample,
+			       struct perf_session *session,
+			       struct thread *thread);
 	int (*generate_script) (const char *outfile);
 };