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

24 files changed, 580 insertions, 200 deletions

diff --git a/tools/perf/Documentation/perf-evlist.txt b/tools/perf/Documentation/perf-evlist.txt
new file mode 100644
index 0000000..0cada9e
--- /dev/null
+++ b/tools/perf/Documentation/perf-evlist.txt
@@ -0,0 +1,26 @@
+perf-evlist(1)
+==============
+
+NAME
+----
+perf-evlist - List the event names in a perf.data file
+
+SYNOPSIS
+--------
+[verse]
+'perf evlist <options>'
+
+DESCRIPTION
+-----------
+This command displays the names of events sampled in a perf.data file.
+
+OPTIONS
+-------
+-i::
+--input=::
+        Input file name. (default: perf.data)
+
+SEE ALSO
+--------
+linkperf:perf-record[1], linkperf:perf-list[1],
+linkperf:perf-report[1]
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 29ad942..66f040b 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -112,6 +112,28 @@ OPTIONS
 --debug-mode::
         Do various checks like samples ordering and lost events.
 
+-f::
+--fields
+        Comma separated list of fields to print. Options are:
+        comm, tid, pid, time, cpu, event, trace, sym. Field
+        list must be prepended with the type, trace, sw or hw,
+        to indicate to which event type the field list applies.
+        e.g., -f sw:comm,tid,time,sym  and -f trace:time,cpu,trace
+
+-k::
+--vmlinux=<file>::
+        vmlinux pathname
+
+--kallsyms=<file>::
+        kallsyms pathname
+
+--symfs=<directory>::
+        Look for files with symbols relative to this directory.
+
+-G::
+--hide-call-graph::
+        When printing symbols do not display call chain.
+
 SEE ALSO
 --------
 linkperf:perf-record[1], linkperf:perf-script-perl[1],
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 9b84218..158c30e 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -338,6 +338,7 @@ endif
 BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy.o
 
 BUILTIN_OBJS += $(OUTPUT)builtin-diff.o
+BUILTIN_OBJS += $(OUTPUT)builtin-evlist.o
 BUILTIN_OBJS += $(OUTPUT)builtin-help.o
 BUILTIN_OBJS += $(OUTPUT)builtin-sched.o
 BUILTIN_OBJS += $(OUTPUT)builtin-buildid-list.o
diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c
new file mode 100644
index 0000000..4c5e9e0
--- /dev/null
+++ b/tools/perf/builtin-evlist.c
@@ -0,0 +1,54 @@
+/*
+ * Builtin evlist command: Show the list of event selectors present
+ * in a perf.data file.
+ */
+#include "builtin.h"
+
+#include "util/util.h"
+
+#include <linux/list.h>
+
+#include "perf.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/parse-events.h"
+#include "util/parse-options.h"
+#include "util/session.h"
+
+static char const *input_name = "perf.data";
+
+static int __cmd_evlist(void)
+{
+	struct perf_session *session;
+	struct perf_evsel *pos;
+
+	session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
+	if (session == NULL)
+		return -ENOMEM;
+
+	list_for_each_entry(pos, &session->evlist->entries, node)
+		printf("%s\n", event_name(pos));
+
+	perf_session__delete(session);
+	return 0;
+}
+
+static const char * const evlist_usage[] = {
+	"perf evlist [<options>]",
+	NULL
+};
+
+static const struct option options[] = {
+	OPT_STRING('i', "input", &input_name, "file",
+		    "input file name"),
+	OPT_END()
+};
+
+int cmd_evlist(int argc, const char **argv, const char *prefix __used)
+{
+	argc = parse_options(argc, argv, options, evlist_usage, 0);
+	if (argc)
+		usage_with_options(evlist_usage, options);
+
+	return __cmd_evlist();
+}
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 5f40df6..9f5fc54 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -12,6 +12,8 @@
 #include "util/trace-event.h"
 #include "util/parse-options.h"
 #include "util/util.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
 
 static char const		*script_name;
 static char const		*generate_script_lang;
@@ -19,6 +21,183 @@ static bool			debug_mode;
 static u64			last_timestamp;
 static u64			nr_unordered;
 extern const struct option	record_options[];
+static bool			no_callchain;
+
+enum perf_output_field {
+	PERF_OUTPUT_COMM            = 1U << 0,
+	PERF_OUTPUT_TID             = 1U << 1,
+	PERF_OUTPUT_PID             = 1U << 2,
+	PERF_OUTPUT_TIME            = 1U << 3,
+	PERF_OUTPUT_CPU             = 1U << 4,
+	PERF_OUTPUT_EVNAME          = 1U << 5,
+	PERF_OUTPUT_TRACE           = 1U << 6,
+	PERF_OUTPUT_SYM             = 1U << 7,
+};
+
+struct output_option {
+	const char *str;
+	enum perf_output_field field;
+} all_output_options[] = {
+	{.str = "comm",  .field = PERF_OUTPUT_COMM},
+	{.str = "tid",   .field = PERF_OUTPUT_TID},
+	{.str = "pid",   .field = PERF_OUTPUT_PID},
+	{.str = "time",  .field = PERF_OUTPUT_TIME},
+	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
+	{.str = "event", .field = PERF_OUTPUT_EVNAME},
+	{.str = "trace", .field = PERF_OUTPUT_TRACE},
+	{.str = "sym",   .field = PERF_OUTPUT_SYM},
+};
+
+/* default set to maintain compatibility with current format */
+static u64 output_fields[PERF_TYPE_MAX] = {
+	[PERF_TYPE_HARDWARE] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \
+			       PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \
+			       PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,
+
+	[PERF_TYPE_SOFTWARE] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \
+			       PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \
+			       PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,
+
+	[PERF_TYPE_TRACEPOINT] = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \
+				 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \
+				 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
+};
+
+static bool output_set_by_user;
+
+#define PRINT_FIELD(x)  (output_fields[attr->type] & PERF_OUTPUT_##x)
+
+static int perf_session__check_attr(struct perf_session *session,
+				    struct perf_event_attr *attr)
+{
+	if (PRINT_FIELD(TRACE) &&
+		!perf_session__has_traces(session, "record -R"))
+		return -EINVAL;
+
+	if (PRINT_FIELD(SYM)) {
+		if (!(session->sample_type & PERF_SAMPLE_IP)) {
+			pr_err("Samples do not contain IP data.\n");
+			return -EINVAL;
+		}
+		if (!no_callchain &&
+		    !(session->sample_type & PERF_SAMPLE_CALLCHAIN))
+			symbol_conf.use_callchain = false;
+	}
+
+	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
+		!(session->sample_type & PERF_SAMPLE_TID)) {
+		pr_err("Samples do not contain TID/PID data.\n");
+		return -EINVAL;
+	}
+
+	if (PRINT_FIELD(TIME) &&
+		!(session->sample_type & PERF_SAMPLE_TIME)) {
+		pr_err("Samples do not contain timestamps.\n");
+		return -EINVAL;
+	}
+
+	if (PRINT_FIELD(CPU) &&
+		!(session->sample_type & PERF_SAMPLE_CPU)) {
+		pr_err("Samples do not contain cpu.\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void print_sample_start(struct perf_sample *sample,
+			       struct thread *thread,
+			       struct perf_event_attr *attr)
+{
+	int type;
+	struct event *event;
+	const char *evname = NULL;
+	unsigned long secs;
+	unsigned long usecs;
+	unsigned long long nsecs;
+
+	if (PRINT_FIELD(COMM)) {
+		if (latency_format)
+			printf("%8.8s ", thread->comm);
+		else if (PRINT_FIELD(SYM) && symbol_conf.use_callchain)
+			printf("%s ", thread->comm);
+		else
+			printf("%16s ", thread->comm);
+	}
+
+	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
+		printf("%5d/%-5d ", sample->pid, sample->tid);
+	else if (PRINT_FIELD(PID))
+		printf("%5d ", sample->pid);
+	else if (PRINT_FIELD(TID))
+		printf("%5d ", sample->tid);
+
+	if (PRINT_FIELD(CPU)) {
+		if (latency_format)
+			printf("%3d ", sample->cpu);
+		else
+			printf("[%03d] ", sample->cpu);
+	}
+
+	if (PRINT_FIELD(TIME)) {
+		nsecs = sample->time;
+		secs = nsecs / NSECS_PER_SEC;
+		nsecs -= secs * NSECS_PER_SEC;
+		usecs = nsecs / NSECS_PER_USEC;
+		printf("%5lu.%06lu: ", secs, usecs);
+	}
+
+	if (PRINT_FIELD(EVNAME)) {
+		if (attr->type == PERF_TYPE_TRACEPOINT) {
+			type = trace_parse_common_type(sample->raw_data);
+			event = trace_find_event(type);
+			if (event)
+				evname = event->name;
+		} else
+			evname = __event_name(attr->type, attr->config);
+
+		printf("%s: ", evname ? evname : "(unknown)");
+	}
+}
+
+static void process_event(union perf_event *event __unused,
+			  struct perf_sample *sample,
+			  struct perf_session *session,
+			  struct thread *thread)
+{
+	struct perf_event_attr *attr;
+	struct perf_evsel *evsel;
+
+	evsel = perf_evlist__id2evsel(session->evlist, sample->id);
+	if (evsel == NULL) {
+		pr_err("Invalid data. Contains samples with id not in "
+		       "its header!\n");
+		return;
+	}
+	attr = &evsel->attr;
+
+	if (output_fields[attr->type] == 0)
+		return;
+
+	if (perf_session__check_attr(session, attr) < 0)
+		return;
+
+	print_sample_start(sample, thread, attr);
+
+	if (PRINT_FIELD(TRACE))
+		print_trace_event(sample->cpu, sample->raw_data,
+				  sample->raw_size);
+
+	if (PRINT_FIELD(SYM)) {
+		if (!symbol_conf.use_callchain)
+			printf(" ");
+		else
+			printf("\n");
+		perf_session__print_symbols(event, sample, session);
+	}
+
+	printf("\n");
+}
 
 static int default_start_script(const char *script __unused,
 				int argc __unused,
@@ -40,7 +219,7 @@ static int default_generate_script(const char *outfile __unused)
 static struct scripting_ops default_scripting_ops = {
 	.start_script		= default_start_script,
 	.stop_script		= default_stop_script,
-	.process_event		= print_event,
+	.process_event		= process_event,
 	.generate_script	= default_generate_script,
 };
 
@@ -75,26 +254,17 @@ static int process_sample_event(union perf_event *event,
 		return -1;
 	}
 
-	if (session->sample_type & PERF_SAMPLE_RAW) {
-		if (debug_mode) {
-			if (sample->time < last_timestamp) {
-				pr_err("Samples misordered, previous: %" PRIu64
-					" this: %" PRIu64 "\n", last_timestamp,
-					sample->time);
-				nr_unordered++;
-			}
-			last_timestamp = sample->time;
-			return 0;
+	if (debug_mode) {
+		if (sample->time < last_timestamp) {
+			pr_err("Samples misordered, previous: %" PRIu64
+				" this: %" PRIu64 "\n", last_timestamp,
+				sample->time);
+			nr_unordered++;
 		}
-		/*
-		 * FIXME: better resolve from pid from the struct trace_entry
-		 * field, although it should be the same than this perf
-		 * event pid
-		 */
-		scripting_ops->process_event(sample->cpu, sample->raw_data,
-					     sample->raw_size,
-					     sample->time, thread->comm);
+		last_timestamp = sample->time;
+		return 0;
 	}
+	scripting_ops->process_event(event, sample, session, thread);
 
 	session->hists.stats.total_period += sample->period;
 	return 0;
@@ -102,7 +272,10 @@ static int process_sample_event(union perf_event *event,
 
 static struct perf_event_ops event_ops = {
 	.sample		 = process_sample_event,
+	.mmap		 = perf_event__process_mmap,
 	.comm		 = perf_event__process_comm,
+	.exit		 = perf_event__process_task,
+	.fork		 = perf_event__process_task,
 	.attr		 = perf_event__process_attr,
 	.event_type	 = perf_event__process_event_type,
 	.tracing_data	 = perf_event__process_tracing_data,
@@ -280,6 +453,68 @@ static int parse_scriptname(const struct option *opt __used,
 	return 0;
 }
 
+static int parse_output_fields(const struct option *opt __used,
+			    const char *arg, int unset __used)
+{
+	char *tok;
+	int i, imax = sizeof(all_output_options) / sizeof(struct output_option);
+	int rc = 0;
+	char *str = strdup(arg);
+	int type = -1;
+
+	if (!str)
+		return -ENOMEM;
+
+	tok = strtok(str, ":");
+	if (!tok) {
+		fprintf(stderr,
+			"Invalid field string - not prepended with type.");
+		return -EINVAL;
+	}
+
+	/* first word should state which event type user
+	 * is specifying the fields
+	 */
+	if (!strcmp(tok, "hw"))
+		type = PERF_TYPE_HARDWARE;
+	else if (!strcmp(tok, "sw"))
+		type = PERF_TYPE_SOFTWARE;
+	else if (!strcmp(tok, "trace"))
+		type = PERF_TYPE_TRACEPOINT;
+	else {
+		fprintf(stderr, "Invalid event type in field string.");
+		return -EINVAL;
+	}
+
+	output_fields[type] = 0;
+	while (1) {
+		tok = strtok(NULL, ",");
+		if (!tok)
+			break;
+		for (i = 0; i < imax; ++i) {
+			if (strcmp(tok, all_output_options[i].str) == 0) {
+				output_fields[type] |= all_output_options[i].field;
+				break;
+			}
+		}
+		if (i == imax) {
+			fprintf(stderr, "Invalid field requested.");
+			rc = -EINVAL;
+			break;
+		}
+	}
+
+	if (output_fields[type] == 0) {
+		pr_debug("No fields requested for %s type. "
+			 "Events will not be displayed\n", event_type(type));
+	}
+
+	output_set_by_user = true;
+
+	free(str);
+	return rc;
+}
+
 /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
 static int is_directory(const char *base_path, const struct dirent *dent)
 {
@@ -592,6 +827,17 @@ static const struct option options[] = {
 		    "input file name"),
 	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
 		   "do various checks like samples ordering and lost events"),
+	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+		   "file", "vmlinux pathname"),
+	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
+		   "file", "kallsyms pathname"),
+	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
+		    "When printing symbols do not display call chain"),
+	OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
+		    "Look for files with symbols relative to this directory"),
+	OPT_CALLBACK('f', "fields", NULL, "str",
+		     "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace. Fields: comm,tid,pid,time,cpu,event,trace,sym",
+		     parse_output_fields),
 
 	OPT_END()
 };
@@ -772,14 +1018,22 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
 	if (session == NULL)
 		return -ENOMEM;
 
-	if (strcmp(input_name, "-") &&
-	    !perf_session__has_traces(session, "record -R"))
-		return -EINVAL;
+	if (!no_callchain)
+		symbol_conf.use_callchain = true;
+	else
+		symbol_conf.use_callchain = false;
 
 	if (generate_script_lang) {
 		struct stat perf_stat;
+		int input;
+
+		if (output_set_by_user) {
+			fprintf(stderr,
+				"custom fields not supported for generated scripts");
+			return -1;
+		}
 
-		int input = open(input_name, O_RDONLY);
+		input = open(input_name, O_RDONLY);
 		if (input < 0) {
 			perror("failed to open file");
 			exit(-1);
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 21c0252..e2109f9 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -333,6 +333,12 @@ static int run_perf_stat(int argc __used, const char **argv)
 		}
 	}
 
+	if (perf_evlist__set_filters(evsel_list)) {
+		error("failed to set filter with %d (%s)\n", errno,
+			strerror(errno));
+		return -1;
+	}
+
 	/*
 	 * Enable counters and exec the command:
 	 */
@@ -634,6 +640,8 @@ static const struct option options[] = {
 	OPT_CALLBACK('e', "event", &evsel_list, "event",
 		     "event selector. use 'perf list' to list available events",
 		     parse_events),
+	OPT_CALLBACK(0, "filter", &evsel_list, "filter",
+		     "event filter", parse_filter),
 	OPT_BOOLEAN('i', "no-inherit", &no_inherit,
 		    "child tasks do not inherit counters"),
 	OPT_INTEGER('p', "pid", &target_pid,
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 80c9e06..70f1075 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -152,7 +152,7 @@ static int parse_source(struct sym_entry *syme)
 	/*
 	 * We can't annotate with just /proc/kallsyms
 	 */
-	if (map->dso->origin == DSO__ORIG_KERNEL) {
+	if (map->dso->symtab_type == SYMTAB__KALLSYMS) {
 		pr_err("Can't annotate %s: No vmlinux file was found in the "
 		       "path\n", sym->name);
 		sleep(1);
@@ -515,24 +515,25 @@ static void handle_keypress(struct perf_session *session, int c)
 			break;
 		case 'E':
 			if (top.evlist->nr_entries > 1) {
+				int counter;
 				fprintf(stderr, "\nAvailable events:");
 
 				list_for_each_entry(top.sym_evsel, &top.evlist->entries, node)
 					fprintf(stderr, "\n\t%d %s", top.sym_evsel->idx, event_name(top.sym_evsel));
 
-				prompt_integer(&top.sym_counter, "Enter details event counter");
+				prompt_integer(&counter, "Enter details event counter");
 
-				if (top.sym_counter >= top.evlist->nr_entries) {
+				if (counter >= top.evlist->nr_entries) {
 					top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
-					top.sym_counter = 0;
 					fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top.sym_evsel));
 					sleep(1);
 					break;
 				}
 				list_for_each_entry(top.sym_evsel, &top.evlist->entries, node)
-					if (top.sym_evsel->idx == top.sym_counter)
+					if (top.sym_evsel->idx == counter)
 						break;
-			} else top.sym_counter = 0;
+			} else
+				top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
 			break;
 		case 'f':
 			prompt_integer(&top.count_filter, "Enter display event count filter");
@@ -675,7 +676,7 @@ static int symbol_filter(struct map *map, struct symbol *sym)
 
 	for (i = 0; skip_symbols[i]; i++) {
 		if (!strcmp(skip_symbols[i], name)) {
-			syme->skip = 1;
+			sym->ignore = true;
 			break;
 		}
 	}
@@ -768,7 +769,7 @@ static void perf_event__process_sample(const union perf_event *event,
 			struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
 
 			pr_err("Can't annotate %s", sym->name);
-			if (top.sym_filter_entry->map->dso->origin == DSO__ORIG_KERNEL) {
+			if (top.sym_filter_entry->map->dso->symtab_type == SYMTAB__KALLSYMS) {
 				pr_err(": No vmlinux file was found in the path:\n");
 				machine__fprintf_vmlinux_path(machine, stderr);
 			} else
@@ -778,10 +779,9 @@ static void perf_event__process_sample(const union perf_event *event,
 	}
 
 	syme = symbol__priv(al.sym);
-	if (!syme->skip) {
+	if (!al.sym->ignore) {
 		struct perf_evsel *evsel;
 
-		syme->origin = origin;
 		evsel = perf_evlist__id2evsel(top.evlist, sample->id);
 		assert(evsel != NULL);
 		syme->count[evsel->idx]++;
diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h
index c7798c7..4702e24 100644
--- a/tools/perf/builtin.h
+++ b/tools/perf/builtin.h
@@ -19,6 +19,7 @@ extern int cmd_bench(int argc, const char **argv, const char *prefix);
 extern int cmd_buildid_cache(int argc, const char **argv, const char *prefix);
 extern int cmd_buildid_list(int argc, const char **argv, const char *prefix);
 extern int cmd_diff(int argc, const char **argv, const char *prefix);
+extern int cmd_evlist(int argc, const char **argv, const char *prefix);
 extern int cmd_help(int argc, const char **argv, const char *prefix);
 extern int cmd_sched(int argc, const char **argv, const char *prefix);
 extern int cmd_list(int argc, const char **argv, const char *prefix);
diff --git a/tools/perf/command-list.txt b/tools/perf/command-list.txt
index 16b5088..d695fe4 100644
--- a/tools/perf/command-list.txt
+++ b/tools/perf/command-list.txt
@@ -8,6 +8,7 @@ perf-bench			mainporcelain common
 perf-buildid-cache		mainporcelain common
 perf-buildid-list		mainporcelain common
 perf-diff			mainporcelain common
+perf-evlist			mainporcelain common
 perf-inject			mainporcelain common
 perf-list			mainporcelain common
 perf-sched			mainporcelain common
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 595d0f4..ec635b7 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -313,6 +313,7 @@ static void handle_internal_command(int argc, const char **argv)
 		{ "buildid-cache", cmd_buildid_cache, 0 },
 		{ "buildid-list", cmd_buildid_list, 0 },
 		{ "diff",	cmd_diff,	0 },
+		{ "evlist",	cmd_evlist,	0 },
 		{ "help",	cmd_help,	0 },
 		{ "list",	cmd_list,	0 },
 		{ "record",	cmd_record,	0 },
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 0d0830c..e01af2b 100644
--- a/tools/perf/util/annotate.c
+++ b/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;
 
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 54a7e26..952b4ae 100644
--- a/tools/perf/util/parse-events.c
+++ b/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;
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 212f88e..746d3fc 100644
--- a/tools/perf/util/parse-events.h
+++ b/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);
 
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 9368081..6214272 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/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;
 
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 2040b85..1b85d60 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/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)
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index f26639f..c68cf40 100644
--- a/tools/perf/util/session.c
+++ b/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);
+	}
+}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index b5b148b..0b3c9af 100644
--- a/tools/perf/util/session.h
+++ b/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 */
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 00014e3..651dbfe 100644
--- a/tools/perf/util/symbol.c
+++ b/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;
 }
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 4d7ed09..713b0b4 100644
--- a/tools/perf/util/symbol.h
+++ b/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);
diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c
index 75cfe4d..a11f607 100644
--- a/tools/perf/util/top.c
+++ b/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;
 			}
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index 96d1cb7..bfbf95b 100644
--- a/tools/perf/util/top.h
+++ b/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;
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index d8e622d..0a7ed5b 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/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)
diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index f7af2fc..66f4b78 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/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)
 {
 }
 
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index b5f12ca..b04da57 100644
--- a/tools/perf/util/trace-event.h
+++ b/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);
 };