Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 1928 deletions

diff --git a/ANDROID_3.4.5/tools/perf/builtin-sched.c b/ANDROID_3.4.5/tools/perf/builtin-sched.c
deleted file mode 100644
index 1cad3af4..00000000
--- a/ANDROID_3.4.5/tools/perf/builtin-sched.c
+++ /dev/null
@@ -1,1928 +0,0 @@
-#include "builtin.h"
-#include "perf.h"
-
-#include "util/util.h"
-#include "util/evlist.h"
-#include "util/cache.h"
-#include "util/evsel.h"
-#include "util/symbol.h"
-#include "util/thread.h"
-#include "util/header.h"
-#include "util/session.h"
-#include "util/tool.h"
-
-#include "util/parse-options.h"
-#include "util/trace-event.h"
-
-#include "util/debug.h"
-
-#include <sys/prctl.h>
-#include <sys/resource.h>
-
-#include <semaphore.h>
-#include <pthread.h>
-#include <math.h>
-
-static const char		*input_name;
-
-static char			default_sort_order[] = "avg, max, switch, runtime";
-static const char		*sort_order = default_sort_order;
-
-static int			profile_cpu = -1;
-
-#define PR_SET_NAME		15               /* Set process name */
-#define MAX_CPUS		4096
-
-static u64			run_measurement_overhead;
-static u64			sleep_measurement_overhead;
-
-#define COMM_LEN		20
-#define SYM_LEN			129
-
-#define MAX_PID			65536
-
-static unsigned long		nr_tasks;
-
-struct sched_atom;
-
-struct task_desc {
-	unsigned long		nr;
-	unsigned long		pid;
-	char			comm[COMM_LEN];
-
-	unsigned long		nr_events;
-	unsigned long		curr_event;
-	struct sched_atom	**atoms;
-
-	pthread_t		thread;
-	sem_t			sleep_sem;
-
-	sem_t			ready_for_work;
-	sem_t			work_done_sem;
-
-	u64			cpu_usage;
-};
-
-enum sched_event_type {
-	SCHED_EVENT_RUN,
-	SCHED_EVENT_SLEEP,
-	SCHED_EVENT_WAKEUP,
-	SCHED_EVENT_MIGRATION,
-};
-
-struct sched_atom {
-	enum sched_event_type	type;
-	int			specific_wait;
-	u64			timestamp;
-	u64			duration;
-	unsigned long		nr;
-	sem_t			*wait_sem;
-	struct task_desc	*wakee;
-};
-
-static struct task_desc		*pid_to_task[MAX_PID];
-
-static struct task_desc		**tasks;
-
-static pthread_mutex_t		start_work_mutex = PTHREAD_MUTEX_INITIALIZER;
-static u64			start_time;
-
-static pthread_mutex_t		work_done_wait_mutex = PTHREAD_MUTEX_INITIALIZER;
-
-static unsigned long		nr_run_events;
-static unsigned long		nr_sleep_events;
-static unsigned long		nr_wakeup_events;
-
-static unsigned long		nr_sleep_corrections;
-static unsigned long		nr_run_events_optimized;
-
-static unsigned long		targetless_wakeups;
-static unsigned long		multitarget_wakeups;
-
-static u64			cpu_usage;
-static u64			runavg_cpu_usage;
-static u64			parent_cpu_usage;
-static u64			runavg_parent_cpu_usage;
-
-static unsigned long		nr_runs;
-static u64			sum_runtime;
-static u64			sum_fluct;
-static u64			run_avg;
-
-static unsigned int		replay_repeat = 10;
-static unsigned long		nr_timestamps;
-static unsigned long		nr_unordered_timestamps;
-static unsigned long		nr_state_machine_bugs;
-static unsigned long		nr_context_switch_bugs;
-static unsigned long		nr_events;
-static unsigned long		nr_lost_chunks;
-static unsigned long		nr_lost_events;
-
-#define TASK_STATE_TO_CHAR_STR "RSDTtZX"
-
-enum thread_state {
-	THREAD_SLEEPING = 0,
-	THREAD_WAIT_CPU,
-	THREAD_SCHED_IN,
-	THREAD_IGNORE
-};
-
-struct work_atom {
-	struct list_head	list;
-	enum thread_state	state;
-	u64			sched_out_time;
-	u64			wake_up_time;
-	u64			sched_in_time;
-	u64			runtime;
-};
-
-struct work_atoms {
-	struct list_head	work_list;
-	struct thread		*thread;
-	struct rb_node		node;
-	u64			max_lat;
-	u64			max_lat_at;
-	u64			total_lat;
-	u64			nb_atoms;
-	u64			total_runtime;
-};
-
-typedef int (*sort_fn_t)(struct work_atoms *, struct work_atoms *);
-
-static struct rb_root		atom_root, sorted_atom_root;
-
-static u64			all_runtime;
-static u64			all_count;
-
-
-static u64 get_nsecs(void)
-{
-	struct timespec ts;
-
-	clock_gettime(CLOCK_MONOTONIC, &ts);
-
-	return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
-}
-
-static void burn_nsecs(u64 nsecs)
-{
-	u64 T0 = get_nsecs(), T1;
-
-	do {
-		T1 = get_nsecs();
-	} while (T1 + run_measurement_overhead < T0 + nsecs);
-}
-
-static void sleep_nsecs(u64 nsecs)
-{
-	struct timespec ts;
-
-	ts.tv_nsec = nsecs % 999999999;
-	ts.tv_sec = nsecs / 999999999;
-
-	nanosleep(&ts, NULL);
-}
-
-static void calibrate_run_measurement_overhead(void)
-{
-	u64 T0, T1, delta, min_delta = 1000000000ULL;
-	int i;
-
-	for (i = 0; i < 10; i++) {
-		T0 = get_nsecs();
-		burn_nsecs(0);
-		T1 = get_nsecs();
-		delta = T1-T0;
-		min_delta = min(min_delta, delta);
-	}
-	run_measurement_overhead = min_delta;
-
-	printf("run measurement overhead: %" PRIu64 " nsecs\n", min_delta);
-}
-
-static void calibrate_sleep_measurement_overhead(void)
-{
-	u64 T0, T1, delta, min_delta = 1000000000ULL;
-	int i;
-
-	for (i = 0; i < 10; i++) {
-		T0 = get_nsecs();
-		sleep_nsecs(10000);
-		T1 = get_nsecs();
-		delta = T1-T0;
-		min_delta = min(min_delta, delta);
-	}
-	min_delta -= 10000;
-	sleep_measurement_overhead = min_delta;
-
-	printf("sleep measurement overhead: %" PRIu64 " nsecs\n", min_delta);
-}
-
-static struct sched_atom *
-get_new_event(struct task_desc *task, u64 timestamp)
-{
-	struct sched_atom *event = zalloc(sizeof(*event));
-	unsigned long idx = task->nr_events;
-	size_t size;
-
-	event->timestamp = timestamp;
-	event->nr = idx;
-
-	task->nr_events++;
-	size = sizeof(struct sched_atom *) * task->nr_events;
-	task->atoms = realloc(task->atoms, size);
-	BUG_ON(!task->atoms);
-
-	task->atoms[idx] = event;
-
-	return event;
-}
-
-static struct sched_atom *last_event(struct task_desc *task)
-{
-	if (!task->nr_events)
-		return NULL;
-
-	return task->atoms[task->nr_events - 1];
-}
-
-static void
-add_sched_event_run(struct task_desc *task, u64 timestamp, u64 duration)
-{
-	struct sched_atom *event, *curr_event = last_event(task);
-
-	/*
-	 * optimize an existing RUN event by merging this one
-	 * to it:
-	 */
-	if (curr_event && curr_event->type == SCHED_EVENT_RUN) {
-		nr_run_events_optimized++;
-		curr_event->duration += duration;
-		return;
-	}
-
-	event = get_new_event(task, timestamp);
-
-	event->type = SCHED_EVENT_RUN;
-	event->duration = duration;
-
-	nr_run_events++;
-}
-
-static void
-add_sched_event_wakeup(struct task_desc *task, u64 timestamp,
-		       struct task_desc *wakee)
-{
-	struct sched_atom *event, *wakee_event;
-
-	event = get_new_event(task, timestamp);
-	event->type = SCHED_EVENT_WAKEUP;
-	event->wakee = wakee;
-
-	wakee_event = last_event(wakee);
-	if (!wakee_event || wakee_event->type != SCHED_EVENT_SLEEP) {
-		targetless_wakeups++;
-		return;
-	}
-	if (wakee_event->wait_sem) {
-		multitarget_wakeups++;
-		return;
-	}
-
-	wakee_event->wait_sem = zalloc(sizeof(*wakee_event->wait_sem));
-	sem_init(wakee_event->wait_sem, 0, 0);
-	wakee_event->specific_wait = 1;
-	event->wait_sem = wakee_event->wait_sem;
-
-	nr_wakeup_events++;
-}
-
-static void
-add_sched_event_sleep(struct task_desc *task, u64 timestamp,
-		      u64 task_state __used)
-{
-	struct sched_atom *event = get_new_event(task, timestamp);
-
-	event->type = SCHED_EVENT_SLEEP;
-
-	nr_sleep_events++;
-}
-
-static struct task_desc *register_pid(unsigned long pid, const char *comm)
-{
-	struct task_desc *task;
-
-	BUG_ON(pid >= MAX_PID);
-
-	task = pid_to_task[pid];
-
-	if (task)
-		return task;
-
-	task = zalloc(sizeof(*task));
-	task->pid = pid;
-	task->nr = nr_tasks;
-	strcpy(task->comm, comm);
-	/*
-	 * every task starts in sleeping state - this gets ignored
-	 * if there's no wakeup pointing to this sleep state:
-	 */
-	add_sched_event_sleep(task, 0, 0);
-
-	pid_to_task[pid] = task;
-	nr_tasks++;
-	tasks = realloc(tasks, nr_tasks*sizeof(struct task_task *));
-	BUG_ON(!tasks);
-	tasks[task->nr] = task;
-
-	if (verbose)
-		printf("registered task #%ld, PID %ld (%s)\n", nr_tasks, pid, comm);
-
-	return task;
-}
-
-
-static void print_task_traces(void)
-{
-	struct task_desc *task;
-	unsigned long i;
-
-	for (i = 0; i < nr_tasks; i++) {
-		task = tasks[i];
-		printf("task %6ld (%20s:%10ld), nr_events: %ld\n",
-			task->nr, task->comm, task->pid, task->nr_events);
-	}
-}
-
-static void add_cross_task_wakeups(void)
-{
-	struct task_desc *task1, *task2;
-	unsigned long i, j;
-
-	for (i = 0; i < nr_tasks; i++) {
-		task1 = tasks[i];
-		j = i + 1;
-		if (j == nr_tasks)
-			j = 0;
-		task2 = tasks[j];
-		add_sched_event_wakeup(task1, 0, task2);
-	}
-}
-
-static void
-process_sched_event(struct task_desc *this_task __used, struct sched_atom *atom)
-{
-	int ret = 0;
-
-	switch (atom->type) {
-		case SCHED_EVENT_RUN:
-			burn_nsecs(atom->duration);
-			break;
-		case SCHED_EVENT_SLEEP:
-			if (atom->wait_sem)
-				ret = sem_wait(atom->wait_sem);
-			BUG_ON(ret);
-			break;
-		case SCHED_EVENT_WAKEUP:
-			if (atom->wait_sem)
-				ret = sem_post(atom->wait_sem);
-			BUG_ON(ret);
-			break;
-		case SCHED_EVENT_MIGRATION:
-			break;
-		default:
-			BUG_ON(1);
-	}
-}
-
-static u64 get_cpu_usage_nsec_parent(void)
-{
-	struct rusage ru;
-	u64 sum;
-	int err;
-
-	err = getrusage(RUSAGE_SELF, &ru);
-	BUG_ON(err);
-
-	sum =  ru.ru_utime.tv_sec*1e9 + ru.ru_utime.tv_usec*1e3;
-	sum += ru.ru_stime.tv_sec*1e9 + ru.ru_stime.tv_usec*1e3;
-
-	return sum;
-}
-
-static int self_open_counters(void)
-{
-	struct perf_event_attr attr;
-	int fd;
-
-	memset(&attr, 0, sizeof(attr));
-
-	attr.type = PERF_TYPE_SOFTWARE;
-	attr.config = PERF_COUNT_SW_TASK_CLOCK;
-
-	fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
-
-	if (fd < 0)
-		die("Error: sys_perf_event_open() syscall returned"
-		    "with %d (%s)\n", fd, strerror(errno));
-	return fd;
-}
-
-static u64 get_cpu_usage_nsec_self(int fd)
-{
-	u64 runtime;
-	int ret;
-
-	ret = read(fd, &runtime, sizeof(runtime));
-	BUG_ON(ret != sizeof(runtime));
-
-	return runtime;
-}
-
-static void *thread_func(void *ctx)
-{
-	struct task_desc *this_task = ctx;
-	u64 cpu_usage_0, cpu_usage_1;
-	unsigned long i, ret;
-	char comm2[22];
-	int fd;
-
-	sprintf(comm2, ":%s", this_task->comm);
-	prctl(PR_SET_NAME, comm2);
-	fd = self_open_counters();
-
-again:
-	ret = sem_post(&this_task->ready_for_work);
-	BUG_ON(ret);
-	ret = pthread_mutex_lock(&start_work_mutex);
-	BUG_ON(ret);
-	ret = pthread_mutex_unlock(&start_work_mutex);
-	BUG_ON(ret);
-
-	cpu_usage_0 = get_cpu_usage_nsec_self(fd);
-
-	for (i = 0; i < this_task->nr_events; i++) {
-		this_task->curr_event = i;
-		process_sched_event(this_task, this_task->atoms[i]);
-	}
-
-	cpu_usage_1 = get_cpu_usage_nsec_self(fd);
-	this_task->cpu_usage = cpu_usage_1 - cpu_usage_0;
-	ret = sem_post(&this_task->work_done_sem);
-	BUG_ON(ret);
-
-	ret = pthread_mutex_lock(&work_done_wait_mutex);
-	BUG_ON(ret);
-	ret = pthread_mutex_unlock(&work_done_wait_mutex);
-	BUG_ON(ret);
-
-	goto again;
-}
-
-static void create_tasks(void)
-{
-	struct task_desc *task;
-	pthread_attr_t attr;
-	unsigned long i;
-	int err;
-
-	err = pthread_attr_init(&attr);
-	BUG_ON(err);
-	err = pthread_attr_setstacksize(&attr,
-			(size_t) max(16 * 1024, PTHREAD_STACK_MIN));
-	BUG_ON(err);
-	err = pthread_mutex_lock(&start_work_mutex);
-	BUG_ON(err);
-	err = pthread_mutex_lock(&work_done_wait_mutex);
-	BUG_ON(err);
-	for (i = 0; i < nr_tasks; i++) {
-		task = tasks[i];
-		sem_init(&task->sleep_sem, 0, 0);
-		sem_init(&task->ready_for_work, 0, 0);
-		sem_init(&task->work_done_sem, 0, 0);
-		task->curr_event = 0;
-		err = pthread_create(&task->thread, &attr, thread_func, task);
-		BUG_ON(err);
-	}
-}
-
-static void wait_for_tasks(void)
-{
-	u64 cpu_usage_0, cpu_usage_1;
-	struct task_desc *task;
-	unsigned long i, ret;
-
-	start_time = get_nsecs();
-	cpu_usage = 0;
-	pthread_mutex_unlock(&work_done_wait_mutex);
-
-	for (i = 0; i < nr_tasks; i++) {
-		task = tasks[i];
-		ret = sem_wait(&task->ready_for_work);
-		BUG_ON(ret);
-		sem_init(&task->ready_for_work, 0, 0);
-	}
-	ret = pthread_mutex_lock(&work_done_wait_mutex);
-	BUG_ON(ret);
-
-	cpu_usage_0 = get_cpu_usage_nsec_parent();
-
-	pthread_mutex_unlock(&start_work_mutex);
-
-	for (i = 0; i < nr_tasks; i++) {
-		task = tasks[i];
-		ret = sem_wait(&task->work_done_sem);
-		BUG_ON(ret);
-		sem_init(&task->work_done_sem, 0, 0);
-		cpu_usage += task->cpu_usage;
-		task->cpu_usage = 0;
-	}
-
-	cpu_usage_1 = get_cpu_usage_nsec_parent();
-	if (!runavg_cpu_usage)
-		runavg_cpu_usage = cpu_usage;
-	runavg_cpu_usage = (runavg_cpu_usage*9 + cpu_usage)/10;
-
-	parent_cpu_usage = cpu_usage_1 - cpu_usage_0;
-	if (!runavg_parent_cpu_usage)
-		runavg_parent_cpu_usage = parent_cpu_usage;
-	runavg_parent_cpu_usage = (runavg_parent_cpu_usage*9 +
-				   parent_cpu_usage)/10;
-
-	ret = pthread_mutex_lock(&start_work_mutex);
-	BUG_ON(ret);
-
-	for (i = 0; i < nr_tasks; i++) {
-		task = tasks[i];
-		sem_init(&task->sleep_sem, 0, 0);
-		task->curr_event = 0;
-	}
-}
-
-static void run_one_test(void)
-{
-	u64 T0, T1, delta, avg_delta, fluct;
-
-	T0 = get_nsecs();
-	wait_for_tasks();
-	T1 = get_nsecs();
-
-	delta = T1 - T0;
-	sum_runtime += delta;
-	nr_runs++;
-
-	avg_delta = sum_runtime / nr_runs;
-	if (delta < avg_delta)
-		fluct = avg_delta - delta;
-	else
-		fluct = delta - avg_delta;
-	sum_fluct += fluct;
-	if (!run_avg)
-		run_avg = delta;
-	run_avg = (run_avg*9 + delta)/10;
-
-	printf("#%-3ld: %0.3f, ",
-		nr_runs, (double)delta/1000000.0);
-
-	printf("ravg: %0.2f, ",
-		(double)run_avg/1e6);
-
-	printf("cpu: %0.2f / %0.2f",
-		(double)cpu_usage/1e6, (double)runavg_cpu_usage/1e6);
-
-#if 0
-	/*
-	 * rusage statistics done by the parent, these are less
-	 * accurate than the sum_exec_runtime based statistics:
-	 */
-	printf(" [%0.2f / %0.2f]",
-		(double)parent_cpu_usage/1e6,
-		(double)runavg_parent_cpu_usage/1e6);
-#endif
-
-	printf("\n");
-
-	if (nr_sleep_corrections)
-		printf(" (%ld sleep corrections)\n", nr_sleep_corrections);
-	nr_sleep_corrections = 0;
-}
-
-static void test_calibrations(void)
-{
-	u64 T0, T1;
-
-	T0 = get_nsecs();
-	burn_nsecs(1e6);
-	T1 = get_nsecs();
-
-	printf("the run test took %" PRIu64 " nsecs\n", T1 - T0);
-
-	T0 = get_nsecs();
-	sleep_nsecs(1e6);
-	T1 = get_nsecs();
-
-	printf("the sleep test took %" PRIu64 " nsecs\n", T1 - T0);
-}
-
-#define FILL_FIELD(ptr, field, event, data)	\
-	ptr.field = (typeof(ptr.field)) raw_field_value(event, #field, data)
-
-#define FILL_ARRAY(ptr, array, event, data)			\
-do {								\
-	void *__array = raw_field_ptr(event, #array, data);	\
-	memcpy(ptr.array, __array, sizeof(ptr.array));	\
-} while(0)
-
-#define FILL_COMMON_FIELDS(ptr, event, data)			\
-do {								\
-	FILL_FIELD(ptr, common_type, event, data);		\
-	FILL_FIELD(ptr, common_flags, event, data);		\
-	FILL_FIELD(ptr, common_preempt_count, event, data);	\
-	FILL_FIELD(ptr, common_pid, event, data);		\
-	FILL_FIELD(ptr, common_tgid, event, data);		\
-} while (0)
-
-
-
-struct trace_switch_event {
-	u32 size;
-
-	u16 common_type;
-	u8 common_flags;
-	u8 common_preempt_count;
-	u32 common_pid;
-	u32 common_tgid;
-
-	char prev_comm[16];
-	u32 prev_pid;
-	u32 prev_prio;
-	u64 prev_state;
-	char next_comm[16];
-	u32 next_pid;
-	u32 next_prio;
-};
-
-struct trace_runtime_event {
-	u32 size;
-
-	u16 common_type;
-	u8 common_flags;
-	u8 common_preempt_count;
-	u32 common_pid;
-	u32 common_tgid;
-
-	char comm[16];
-	u32 pid;
-	u64 runtime;
-	u64 vruntime;
-};
-
-struct trace_wakeup_event {
-	u32 size;
-
-	u16 common_type;
-	u8 common_flags;
-	u8 common_preempt_count;
-	u32 common_pid;
-	u32 common_tgid;
-
-	char comm[16];
-	u32 pid;
-
-	u32 prio;
-	u32 success;
-	u32 cpu;
-};
-
-struct trace_fork_event {
-	u32 size;
-
-	u16 common_type;
-	u8 common_flags;
-	u8 common_preempt_count;
-	u32 common_pid;
-	u32 common_tgid;
-
-	char parent_comm[16];
-	u32 parent_pid;
-	char child_comm[16];
-	u32 child_pid;
-};
-
-struct trace_migrate_task_event {
-	u32 size;
-
-	u16 common_type;
-	u8 common_flags;
-	u8 common_preempt_count;
-	u32 common_pid;
-	u32 common_tgid;
-
-	char comm[16];
-	u32 pid;
-
-	u32 prio;
-	u32 cpu;
-};
-
-struct trace_sched_handler {
-	void (*switch_event)(struct trace_switch_event *,
-			     struct machine *,
-			     struct event *,
-			     int cpu,
-			     u64 timestamp,
-			     struct thread *thread);
-
-	void (*runtime_event)(struct trace_runtime_event *,
-			      struct machine *,
-			      struct event *,
-			      int cpu,
-			      u64 timestamp,
-			      struct thread *thread);
-
-	void (*wakeup_event)(struct trace_wakeup_event *,
-			     struct machine *,
-			     struct event *,
-			     int cpu,
-			     u64 timestamp,
-			     struct thread *thread);
-
-	void (*fork_event)(struct trace_fork_event *,
-			   struct event *,
-			   int cpu,
-			   u64 timestamp,
-			   struct thread *thread);
-
-	void (*migrate_task_event)(struct trace_migrate_task_event *,
-			   struct machine *machine,
-			   struct event *,
-			   int cpu,
-			   u64 timestamp,
-			   struct thread *thread);
-};
-
-
-static void
-replay_wakeup_event(struct trace_wakeup_event *wakeup_event,
-		    struct machine *machine __used,
-		    struct event *event,
-		    int cpu __used,
-		    u64 timestamp __used,
-		    struct thread *thread __used)
-{
-	struct task_desc *waker, *wakee;
-
-	if (verbose) {
-		printf("sched_wakeup event %p\n", event);
-
-		printf(" ... pid %d woke up %s/%d\n",
-			wakeup_event->common_pid,
-			wakeup_event->comm,
-			wakeup_event->pid);
-	}
-
-	waker = register_pid(wakeup_event->common_pid, "<unknown>");
-	wakee = register_pid(wakeup_event->pid, wakeup_event->comm);
-
-	add_sched_event_wakeup(waker, timestamp, wakee);
-}
-
-static u64 cpu_last_switched[MAX_CPUS];
-
-static void
-replay_switch_event(struct trace_switch_event *switch_event,
-		    struct machine *machine __used,
-		    struct event *event,
-		    int cpu,
-		    u64 timestamp,
-		    struct thread *thread __used)
-{
-	struct task_desc *prev, __used *next;
-	u64 timestamp0;
-	s64 delta;
-
-	if (verbose)
-		printf("sched_switch event %p\n", event);
-
-	if (cpu >= MAX_CPUS || cpu < 0)
-		return;
-
-	timestamp0 = cpu_last_switched[cpu];
-	if (timestamp0)
-		delta = timestamp - timestamp0;
-	else
-		delta = 0;
-
-	if (delta < 0)
-		die("hm, delta: %" PRIu64 " < 0 ?\n", delta);
-
-	if (verbose) {
-		printf(" ... switch from %s/%d to %s/%d [ran %" PRIu64 " nsecs]\n",
-			switch_event->prev_comm, switch_event->prev_pid,
-			switch_event->next_comm, switch_event->next_pid,
-			delta);
-	}
-
-	prev = register_pid(switch_event->prev_pid, switch_event->prev_comm);
-	next = register_pid(switch_event->next_pid, switch_event->next_comm);
-
-	cpu_last_switched[cpu] = timestamp;
-
-	add_sched_event_run(prev, timestamp, delta);
-	add_sched_event_sleep(prev, timestamp, switch_event->prev_state);
-}
-
-
-static void
-replay_fork_event(struct trace_fork_event *fork_event,
-		  struct event *event,
-		  int cpu __used,
-		  u64 timestamp __used,
-		  struct thread *thread __used)
-{
-	if (verbose) {
-		printf("sched_fork event %p\n", event);
-		printf("... parent: %s/%d\n", fork_event->parent_comm, fork_event->parent_pid);
-		printf("...  child: %s/%d\n", fork_event->child_comm, fork_event->child_pid);
-	}
-	register_pid(fork_event->parent_pid, fork_event->parent_comm);
-	register_pid(fork_event->child_pid, fork_event->child_comm);
-}
-
-static struct trace_sched_handler replay_ops  = {
-	.wakeup_event		= replay_wakeup_event,
-	.switch_event		= replay_switch_event,
-	.fork_event		= replay_fork_event,
-};
-
-struct sort_dimension {
-	const char		*name;
-	sort_fn_t		cmp;
-	struct list_head	list;
-};
-
-static LIST_HEAD(cmp_pid);
-
-static int
-thread_lat_cmp(struct list_head *list, struct work_atoms *l, struct work_atoms *r)
-{
-	struct sort_dimension *sort;
-	int ret = 0;
-
-	BUG_ON(list_empty(list));
-
-	list_for_each_entry(sort, list, list) {
-		ret = sort->cmp(l, r);
-		if (ret)
-			return ret;
-	}
-
-	return ret;
-}
-
-static struct work_atoms *
-thread_atoms_search(struct rb_root *root, struct thread *thread,
-			 struct list_head *sort_list)
-{
-	struct rb_node *node = root->rb_node;
-	struct work_atoms key = { .thread = thread };
-
-	while (node) {
-		struct work_atoms *atoms;
-		int cmp;
-
-		atoms = container_of(node, struct work_atoms, node);
-
-		cmp = thread_lat_cmp(sort_list, &key, atoms);
-		if (cmp > 0)
-			node = node->rb_left;
-		else if (cmp < 0)
-			node = node->rb_right;
-		else {
-			BUG_ON(thread != atoms->thread);
-			return atoms;
-		}
-	}
-	return NULL;
-}
-
-static void
-__thread_latency_insert(struct rb_root *root, struct work_atoms *data,
-			 struct list_head *sort_list)
-{
-	struct rb_node **new = &(root->rb_node), *parent = NULL;
-
-	while (*new) {
-		struct work_atoms *this;
-		int cmp;
-
-		this = container_of(*new, struct work_atoms, node);
-		parent = *new;
-
-		cmp = thread_lat_cmp(sort_list, data, this);
-
-		if (cmp > 0)
-			new = &((*new)->rb_left);
-		else
-			new = &((*new)->rb_right);
-	}
-
-	rb_link_node(&data->node, parent, new);
-	rb_insert_color(&data->node, root);
-}
-
-static void thread_atoms_insert(struct thread *thread)
-{
-	struct work_atoms *atoms = zalloc(sizeof(*atoms));
-	if (!atoms)
-		die("No memory");
-
-	atoms->thread = thread;
-	INIT_LIST_HEAD(&atoms->work_list);
-	__thread_latency_insert(&atom_root, atoms, &cmp_pid);
-}
-
-static void
-latency_fork_event(struct trace_fork_event *fork_event __used,
-		   struct event *event __used,
-		   int cpu __used,
-		   u64 timestamp __used,
-		   struct thread *thread __used)
-{
-	/* should insert the newcomer */
-}
-
-__used
-static char sched_out_state(struct trace_switch_event *switch_event)
-{
-	const char *str = TASK_STATE_TO_CHAR_STR;
-
-	return str[switch_event->prev_state];
-}
-
-static void
-add_sched_out_event(struct work_atoms *atoms,
-		    char run_state,
-		    u64 timestamp)
-{
-	struct work_atom *atom = zalloc(sizeof(*atom));
-	if (!atom)
-		die("Non memory");
-
-	atom->sched_out_time = timestamp;
-
-	if (run_state == 'R') {
-		atom->state = THREAD_WAIT_CPU;
-		atom->wake_up_time = atom->sched_out_time;
-	}
-
-	list_add_tail(&atom->list, &atoms->work_list);
-}
-
-static void
-add_runtime_event(struct work_atoms *atoms, u64 delta, u64 timestamp __used)
-{
-	struct work_atom *atom;
-
-	BUG_ON(list_empty(&atoms->work_list));
-
-	atom = list_entry(atoms->work_list.prev, struct work_atom, list);
-
-	atom->runtime += delta;
-	atoms->total_runtime += delta;
-}
-
-static void
-add_sched_in_event(struct work_atoms *atoms, u64 timestamp)
-{
-	struct work_atom *atom;
-	u64 delta;
-
-	if (list_empty(&atoms->work_list))
-		return;
-
-	atom = list_entry(atoms->work_list.prev, struct work_atom, list);
-
-	if (atom->state != THREAD_WAIT_CPU)
-		return;
-
-	if (timestamp < atom->wake_up_time) {
-		atom->state = THREAD_IGNORE;
-		return;
-	}
-
-	atom->state = THREAD_SCHED_IN;
-	atom->sched_in_time = timestamp;
-
-	delta = atom->sched_in_time - atom->wake_up_time;
-	atoms->total_lat += delta;
-	if (delta > atoms->max_lat) {
-		atoms->max_lat = delta;
-		atoms->max_lat_at = timestamp;
-	}
-	atoms->nb_atoms++;
-}
-
-static void
-latency_switch_event(struct trace_switch_event *switch_event,
-		     struct machine *machine,
-		     struct event *event __used,
-		     int cpu,
-		     u64 timestamp,
-		     struct thread *thread __used)
-{
-	struct work_atoms *out_events, *in_events;
-	struct thread *sched_out, *sched_in;
-	u64 timestamp0;
-	s64 delta;
-
-	BUG_ON(cpu >= MAX_CPUS || cpu < 0);
-
-	timestamp0 = cpu_last_switched[cpu];
-	cpu_last_switched[cpu] = timestamp;
-	if (timestamp0)
-		delta = timestamp - timestamp0;
-	else
-		delta = 0;
-
-	if (delta < 0)
-		die("hm, delta: %" PRIu64 " < 0 ?\n", delta);
-
-
-	sched_out = machine__findnew_thread(machine, switch_event->prev_pid);
-	sched_in = machine__findnew_thread(machine, switch_event->next_pid);
-
-	out_events = thread_atoms_search(&atom_root, sched_out, &cmp_pid);
-	if (!out_events) {
-		thread_atoms_insert(sched_out);
-		out_events = thread_atoms_search(&atom_root, sched_out, &cmp_pid);
-		if (!out_events)
-			die("out-event: Internal tree error");
-	}
-	add_sched_out_event(out_events, sched_out_state(switch_event), timestamp);
-
-	in_events = thread_atoms_search(&atom_root, sched_in, &cmp_pid);
-	if (!in_events) {
-		thread_atoms_insert(sched_in);
-		in_events = thread_atoms_search(&atom_root, sched_in, &cmp_pid);
-		if (!in_events)
-			die("in-event: Internal tree error");
-		/*
-		 * Take came in we have not heard about yet,
-		 * add in an initial atom in runnable state:
-		 */
-		add_sched_out_event(in_events, 'R', timestamp);
-	}
-	add_sched_in_event(in_events, timestamp);
-}
-
-static void
-latency_runtime_event(struct trace_runtime_event *runtime_event,
-		     struct machine *machine,
-		     struct event *event __used,
-		     int cpu,
-		     u64 timestamp,
-		     struct thread *this_thread __used)
-{
-	struct thread *thread = machine__findnew_thread(machine, runtime_event->pid);
-	struct work_atoms *atoms = thread_atoms_search(&atom_root, thread, &cmp_pid);
-
-	BUG_ON(cpu >= MAX_CPUS || cpu < 0);
-	if (!atoms) {
-		thread_atoms_insert(thread);
-		atoms = thread_atoms_search(&atom_root, thread, &cmp_pid);
-		if (!atoms)
-			die("in-event: Internal tree error");
-		add_sched_out_event(atoms, 'R', timestamp);
-	}
-
-	add_runtime_event(atoms, runtime_event->runtime, timestamp);
-}
-
-static void
-latency_wakeup_event(struct trace_wakeup_event *wakeup_event,
-		     struct machine *machine,
-		     struct event *__event __used,
-		     int cpu __used,
-		     u64 timestamp,
-		     struct thread *thread __used)
-{
-	struct work_atoms *atoms;
-	struct work_atom *atom;
-	struct thread *wakee;
-
-	/* Note for later, it may be interesting to observe the failing cases */
-	if (!wakeup_event->success)
-		return;
-
-	wakee = machine__findnew_thread(machine, wakeup_event->pid);
-	atoms = thread_atoms_search(&atom_root, wakee, &cmp_pid);
-	if (!atoms) {
-		thread_atoms_insert(wakee);
-		atoms = thread_atoms_search(&atom_root, wakee, &cmp_pid);
-		if (!atoms)
-			die("wakeup-event: Internal tree error");
-		add_sched_out_event(atoms, 'S', timestamp);
-	}
-
-	BUG_ON(list_empty(&atoms->work_list));
-
-	atom = list_entry(atoms->work_list.prev, struct work_atom, list);
-
-	/*
-	 * You WILL be missing events if you've recorded only
-	 * one CPU, or are only looking at only one, so don't
-	 * make useless noise.
-	 */
-	if (profile_cpu == -1 && atom->state != THREAD_SLEEPING)
-		nr_state_machine_bugs++;
-
-	nr_timestamps++;
-	if (atom->sched_out_time > timestamp) {
-		nr_unordered_timestamps++;
-		return;
-	}
-
-	atom->state = THREAD_WAIT_CPU;
-	atom->wake_up_time = timestamp;
-}
-
-static void
-latency_migrate_task_event(struct trace_migrate_task_event *migrate_task_event,
-		     struct machine *machine,
-		     struct event *__event __used,
-		     int cpu __used,
-		     u64 timestamp,
-		     struct thread *thread __used)
-{
-	struct work_atoms *atoms;
-	struct work_atom *atom;
-	struct thread *migrant;
-
-	/*
-	 * Only need to worry about migration when profiling one CPU.
-	 */
-	if (profile_cpu == -1)
-		return;
-
-	migrant = machine__findnew_thread(machine, migrate_task_event->pid);
-	atoms = thread_atoms_search(&atom_root, migrant, &cmp_pid);
-	if (!atoms) {
-		thread_atoms_insert(migrant);
-		register_pid(migrant->pid, migrant->comm);
-		atoms = thread_atoms_search(&atom_root, migrant, &cmp_pid);
-		if (!atoms)
-			die("migration-event: Internal tree error");
-		add_sched_out_event(atoms, 'R', timestamp);
-	}
-
-	BUG_ON(list_empty(&atoms->work_list));
-
-	atom = list_entry(atoms->work_list.prev, struct work_atom, list);
-	atom->sched_in_time = atom->sched_out_time = atom->wake_up_time = timestamp;
-
-	nr_timestamps++;
-
-	if (atom->sched_out_time > timestamp)
-		nr_unordered_timestamps++;
-}
-
-static struct trace_sched_handler lat_ops  = {
-	.wakeup_event		= latency_wakeup_event,
-	.switch_event		= latency_switch_event,
-	.runtime_event		= latency_runtime_event,
-	.fork_event		= latency_fork_event,
-	.migrate_task_event	= latency_migrate_task_event,
-};
-
-static void output_lat_thread(struct work_atoms *work_list)
-{
-	int i;
-	int ret;
-	u64 avg;
-
-	if (!work_list->nb_atoms)
-		return;
-	/*
-	 * Ignore idle threads:
-	 */
-	if (!strcmp(work_list->thread->comm, "swapper"))
-		return;
-
-	all_runtime += work_list->total_runtime;
-	all_count += work_list->nb_atoms;
-
-	ret = printf("  %s:%d ", work_list->thread->comm, work_list->thread->pid);
-
-	for (i = 0; i < 24 - ret; i++)
-		printf(" ");
-
-	avg = work_list->total_lat / work_list->nb_atoms;
-
-	printf("|%11.3f ms |%9" PRIu64 " | avg:%9.3f ms | max:%9.3f ms | max at: %9.6f s\n",
-	      (double)work_list->total_runtime / 1e6,
-		 work_list->nb_atoms, (double)avg / 1e6,
-		 (double)work_list->max_lat / 1e6,
-		 (double)work_list->max_lat_at / 1e9);
-}
-
-static int pid_cmp(struct work_atoms *l, struct work_atoms *r)
-{
-	if (l->thread->pid < r->thread->pid)
-		return -1;
-	if (l->thread->pid > r->thread->pid)
-		return 1;
-
-	return 0;
-}
-
-static struct sort_dimension pid_sort_dimension = {
-	.name			= "pid",
-	.cmp			= pid_cmp,
-};
-
-static int avg_cmp(struct work_atoms *l, struct work_atoms *r)
-{
-	u64 avgl, avgr;
-
-	if (!l->nb_atoms)
-		return -1;
-
-	if (!r->nb_atoms)
-		return 1;
-
-	avgl = l->total_lat / l->nb_atoms;
-	avgr = r->total_lat / r->nb_atoms;
-
-	if (avgl < avgr)
-		return -1;
-	if (avgl > avgr)
-		return 1;
-
-	return 0;
-}
-
-static struct sort_dimension avg_sort_dimension = {
-	.name			= "avg",
-	.cmp			= avg_cmp,
-};
-
-static int max_cmp(struct work_atoms *l, struct work_atoms *r)
-{
-	if (l->max_lat < r->max_lat)
-		return -1;
-	if (l->max_lat > r->max_lat)
-		return 1;
-
-	return 0;
-}
-
-static struct sort_dimension max_sort_dimension = {
-	.name			= "max",
-	.cmp			= max_cmp,
-};
-
-static int switch_cmp(struct work_atoms *l, struct work_atoms *r)
-{
-	if (l->nb_atoms < r->nb_atoms)
-		return -1;
-	if (l->nb_atoms > r->nb_atoms)
-		return 1;
-
-	return 0;
-}
-
-static struct sort_dimension switch_sort_dimension = {
-	.name			= "switch",
-	.cmp			= switch_cmp,
-};
-
-static int runtime_cmp(struct work_atoms *l, struct work_atoms *r)
-{
-	if (l->total_runtime < r->total_runtime)
-		return -1;
-	if (l->total_runtime > r->total_runtime)
-		return 1;
-
-	return 0;
-}
-
-static struct sort_dimension runtime_sort_dimension = {
-	.name			= "runtime",
-	.cmp			= runtime_cmp,
-};
-
-static struct sort_dimension *available_sorts[] = {
-	&pid_sort_dimension,
-	&avg_sort_dimension,
-	&max_sort_dimension,
-	&switch_sort_dimension,
-	&runtime_sort_dimension,
-};
-
-#define NB_AVAILABLE_SORTS	(int)(sizeof(available_sorts) / sizeof(struct sort_dimension *))
-
-static LIST_HEAD(sort_list);
-
-static int sort_dimension__add(const char *tok, struct list_head *list)
-{
-	int i;
-
-	for (i = 0; i < NB_AVAILABLE_SORTS; i++) {
-		if (!strcmp(available_sorts[i]->name, tok)) {
-			list_add_tail(&available_sorts[i]->list, list);
-
-			return 0;
-		}
-	}
-
-	return -1;
-}
-
-static void setup_sorting(void);
-
-static void sort_lat(void)
-{
-	struct rb_node *node;
-
-	for (;;) {
-		struct work_atoms *data;
-		node = rb_first(&atom_root);
-		if (!node)
-			break;
-
-		rb_erase(node, &atom_root);
-		data = rb_entry(node, struct work_atoms, node);
-		__thread_latency_insert(&sorted_atom_root, data, &sort_list);
-	}
-}
-
-static struct trace_sched_handler *trace_handler;
-
-static void
-process_sched_wakeup_event(struct perf_tool *tool __used,
-			   struct event *event,
-			   struct perf_sample *sample,
-			   struct machine *machine,
-			   struct thread *thread)
-{
-	void *data = sample->raw_data;
-	struct trace_wakeup_event wakeup_event;
-
-	FILL_COMMON_FIELDS(wakeup_event, event, data);
-
-	FILL_ARRAY(wakeup_event, comm, event, data);
-	FILL_FIELD(wakeup_event, pid, event, data);
-	FILL_FIELD(wakeup_event, prio, event, data);
-	FILL_FIELD(wakeup_event, success, event, data);
-	FILL_FIELD(wakeup_event, cpu, event, data);
-
-	if (trace_handler->wakeup_event)
-		trace_handler->wakeup_event(&wakeup_event, machine, event,
-					    sample->cpu, sample->time, thread);
-}
-
-/*
- * Track the current task - that way we can know whether there's any
- * weird events, such as a task being switched away that is not current.
- */
-static int max_cpu;
-
-static u32 curr_pid[MAX_CPUS] = { [0 ... MAX_CPUS-1] = -1 };
-
-static struct thread *curr_thread[MAX_CPUS];
-
-static char next_shortname1 = 'A';
-static char next_shortname2 = '0';
-
-static void
-map_switch_event(struct trace_switch_event *switch_event,
-		 struct machine *machine,
-		 struct event *event __used,
-		 int this_cpu,
-		 u64 timestamp,
-		 struct thread *thread __used)
-{
-	struct thread *sched_out __used, *sched_in;
-	int new_shortname;
-	u64 timestamp0;
-	s64 delta;
-	int cpu;
-
-	BUG_ON(this_cpu >= MAX_CPUS || this_cpu < 0);
-
-	if (this_cpu > max_cpu)
-		max_cpu = this_cpu;
-
-	timestamp0 = cpu_last_switched[this_cpu];
-	cpu_last_switched[this_cpu] = timestamp;
-	if (timestamp0)
-		delta = timestamp - timestamp0;
-	else
-		delta = 0;
-
-	if (delta < 0)
-		die("hm, delta: %" PRIu64 " < 0 ?\n", delta);
-
-
-	sched_out = machine__findnew_thread(machine, switch_event->prev_pid);
-	sched_in = machine__findnew_thread(machine, switch_event->next_pid);
-
-	curr_thread[this_cpu] = sched_in;
-
-	printf("  ");
-
-	new_shortname = 0;
-	if (!sched_in->shortname[0]) {
-		sched_in->shortname[0] = next_shortname1;
-		sched_in->shortname[1] = next_shortname2;
-
-		if (next_shortname1 < 'Z') {
-			next_shortname1++;
-		} else {
-			next_shortname1='A';
-			if (next_shortname2 < '9') {
-				next_shortname2++;
-			} else {
-				next_shortname2='0';
-			}
-		}
-		new_shortname = 1;
-	}
-
-	for (cpu = 0; cpu <= max_cpu; cpu++) {
-		if (cpu != this_cpu)
-			printf(" ");
-		else
-			printf("*");
-
-		if (curr_thread[cpu]) {
-			if (curr_thread[cpu]->pid)
-				printf("%2s ", curr_thread[cpu]->shortname);
-			else
-				printf(".  ");
-		} else
-			printf("   ");
-	}
-
-	printf("  %12.6f secs ", (double)timestamp/1e9);
-	if (new_shortname) {
-		printf("%s => %s:%d\n",
-			sched_in->shortname, sched_in->comm, sched_in->pid);
-	} else {
-		printf("\n");
-	}
-}
-
-static void
-process_sched_switch_event(struct perf_tool *tool __used,
-			   struct event *event,
-			   struct perf_sample *sample,
-			   struct machine *machine,
-			   struct thread *thread)
-{
-	int this_cpu = sample->cpu;
-	void *data = sample->raw_data;
-	struct trace_switch_event switch_event;
-
-	FILL_COMMON_FIELDS(switch_event, event, data);
-
-	FILL_ARRAY(switch_event, prev_comm, event, data);
-	FILL_FIELD(switch_event, prev_pid, event, data);
-	FILL_FIELD(switch_event, prev_prio, event, data);
-	FILL_FIELD(switch_event, prev_state, event, data);
-	FILL_ARRAY(switch_event, next_comm, event, data);
-	FILL_FIELD(switch_event, next_pid, event, data);
-	FILL_FIELD(switch_event, next_prio, event, data);
-
-	if (curr_pid[this_cpu] != (u32)-1) {
-		/*
-		 * Are we trying to switch away a PID that is
-		 * not current?
-		 */
-		if (curr_pid[this_cpu] != switch_event.prev_pid)
-			nr_context_switch_bugs++;
-	}
-	if (trace_handler->switch_event)
-		trace_handler->switch_event(&switch_event, machine, event,
-					    this_cpu, sample->time, thread);
-
-	curr_pid[this_cpu] = switch_event.next_pid;
-}
-
-static void
-process_sched_runtime_event(struct perf_tool *tool __used,
-			    struct event *event,
-			    struct perf_sample *sample,
-			    struct machine *machine,
-			    struct thread *thread)
-{
-	void *data = sample->raw_data;
-	struct trace_runtime_event runtime_event;
-
-	FILL_ARRAY(runtime_event, comm, event, data);
-	FILL_FIELD(runtime_event, pid, event, data);
-	FILL_FIELD(runtime_event, runtime, event, data);
-	FILL_FIELD(runtime_event, vruntime, event, data);
-
-	if (trace_handler->runtime_event)
-		trace_handler->runtime_event(&runtime_event, machine, event,
-					     sample->cpu, sample->time, thread);
-}
-
-static void
-process_sched_fork_event(struct perf_tool *tool __used,
-			 struct event *event,
-			 struct perf_sample *sample,
-			 struct machine *machine __used,
-			 struct thread *thread)
-{
-	void *data = sample->raw_data;
-	struct trace_fork_event fork_event;
-
-	FILL_COMMON_FIELDS(fork_event, event, data);
-
-	FILL_ARRAY(fork_event, parent_comm, event, data);
-	FILL_FIELD(fork_event, parent_pid, event, data);
-	FILL_ARRAY(fork_event, child_comm, event, data);
-	FILL_FIELD(fork_event, child_pid, event, data);
-
-	if (trace_handler->fork_event)
-		trace_handler->fork_event(&fork_event, event,
-					  sample->cpu, sample->time, thread);
-}
-
-static void
-process_sched_exit_event(struct perf_tool *tool __used,
-			 struct event *event,
-			 struct perf_sample *sample __used,
-			 struct machine *machine __used,
-			 struct thread *thread __used)
-{
-	if (verbose)
-		printf("sched_exit event %p\n", event);
-}
-
-static void
-process_sched_migrate_task_event(struct perf_tool *tool __used,
-				 struct event *event,
-				 struct perf_sample *sample,
-				 struct machine *machine,
-				 struct thread *thread)
-{
-	void *data = sample->raw_data;
-	struct trace_migrate_task_event migrate_task_event;
-
-	FILL_COMMON_FIELDS(migrate_task_event, event, data);
-
-	FILL_ARRAY(migrate_task_event, comm, event, data);
-	FILL_FIELD(migrate_task_event, pid, event, data);
-	FILL_FIELD(migrate_task_event, prio, event, data);
-	FILL_FIELD(migrate_task_event, cpu, event, data);
-
-	if (trace_handler->migrate_task_event)
-		trace_handler->migrate_task_event(&migrate_task_event, machine,
-						  event, sample->cpu,
-						  sample->time, thread);
-}
-
-typedef void (*tracepoint_handler)(struct perf_tool *tool, struct event *event,
-				   struct perf_sample *sample,
-				   struct machine *machine,
-				   struct thread *thread);
-
-static int perf_sched__process_tracepoint_sample(struct perf_tool *tool,
-						 union perf_event *event __used,
-						 struct perf_sample *sample,
-						 struct perf_evsel *evsel,
-						 struct machine *machine)
-{
-	struct thread *thread = machine__findnew_thread(machine, sample->pid);
-
-	if (thread == NULL) {
-		pr_debug("problem processing %s event, skipping it.\n",
-			 evsel->name);
-		return -1;
-	}
-
-	evsel->hists.stats.total_period += sample->period;
-	hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
-
-	if (evsel->handler.func != NULL) {
-		tracepoint_handler f = evsel->handler.func;
-
-		if (evsel->handler.data == NULL)
-			evsel->handler.data = trace_find_event(evsel->attr.config);
-
-		f(tool, evsel->handler.data, sample, machine, thread);
-	}
-
-	return 0;
-}
-
-static struct perf_tool perf_sched = {
-	.sample			= perf_sched__process_tracepoint_sample,
-	.comm			= perf_event__process_comm,
-	.lost			= perf_event__process_lost,
-	.fork			= perf_event__process_task,
-	.ordered_samples	= true,
-};
-
-static void read_events(bool destroy, struct perf_session **psession)
-{
-	int err = -EINVAL;
-	const struct perf_evsel_str_handler handlers[] = {
-		{ "sched:sched_switch",	      process_sched_switch_event, },
-		{ "sched:sched_stat_runtime", process_sched_runtime_event, },
-		{ "sched:sched_wakeup",	      process_sched_wakeup_event, },
-		{ "sched:sched_wakeup_new",   process_sched_wakeup_event, },
-		{ "sched:sched_process_fork", process_sched_fork_event, },
-		{ "sched:sched_process_exit", process_sched_exit_event, },
-		{ "sched:sched_migrate_task", process_sched_migrate_task_event, },
-	};
-	struct perf_session *session = perf_session__new(input_name, O_RDONLY,
-							 0, false, &perf_sched);
-	if (session == NULL)
-		die("No Memory");
-
-	err = perf_evlist__set_tracepoints_handlers_array(session->evlist, handlers);
-	assert(err == 0);
-
-	if (perf_session__has_traces(session, "record -R")) {
-		err = perf_session__process_events(session, &perf_sched);
-		if (err)
-			die("Failed to process events, error %d", err);
-
-		nr_events      = session->hists.stats.nr_events[0];
-		nr_lost_events = session->hists.stats.total_lost;
-		nr_lost_chunks = session->hists.stats.nr_events[PERF_RECORD_LOST];
-	}
-
-	if (destroy)
-		perf_session__delete(session);
-
-	if (psession)
-		*psession = session;
-}
-
-static void print_bad_events(void)
-{
-	if (nr_unordered_timestamps && nr_timestamps) {
-		printf("  INFO: %.3f%% unordered timestamps (%ld out of %ld)\n",
-			(double)nr_unordered_timestamps/(double)nr_timestamps*100.0,
-			nr_unordered_timestamps, nr_timestamps);
-	}
-	if (nr_lost_events && nr_events) {
-		printf("  INFO: %.3f%% lost events (%ld out of %ld, in %ld chunks)\n",
-			(double)nr_lost_events/(double)nr_events*100.0,
-			nr_lost_events, nr_events, nr_lost_chunks);
-	}
-	if (nr_state_machine_bugs && nr_timestamps) {
-		printf("  INFO: %.3f%% state machine bugs (%ld out of %ld)",
-			(double)nr_state_machine_bugs/(double)nr_timestamps*100.0,
-			nr_state_machine_bugs, nr_timestamps);
-		if (nr_lost_events)
-			printf(" (due to lost events?)");
-		printf("\n");
-	}
-	if (nr_context_switch_bugs && nr_timestamps) {
-		printf("  INFO: %.3f%% context switch bugs (%ld out of %ld)",
-			(double)nr_context_switch_bugs/(double)nr_timestamps*100.0,
-			nr_context_switch_bugs, nr_timestamps);
-		if (nr_lost_events)
-			printf(" (due to lost events?)");
-		printf("\n");
-	}
-}
-
-static void __cmd_lat(void)
-{
-	struct rb_node *next;
-	struct perf_session *session;
-
-	setup_pager();
-	read_events(false, &session);
-	sort_lat();
-
-	printf("\n ---------------------------------------------------------------------------------------------------------------\n");
-	printf("  Task                  |   Runtime ms  | Switches | Average delay ms | Maximum delay ms | Maximum delay at     |\n");
-	printf(" ---------------------------------------------------------------------------------------------------------------\n");
-
-	next = rb_first(&sorted_atom_root);
-
-	while (next) {
-		struct work_atoms *work_list;
-
-		work_list = rb_entry(next, struct work_atoms, node);
-		output_lat_thread(work_list);
-		next = rb_next(next);
-	}
-
-	printf(" -----------------------------------------------------------------------------------------\n");
-	printf("  TOTAL:                |%11.3f ms |%9" PRIu64 " |\n",
-		(double)all_runtime/1e6, all_count);
-
-	printf(" ---------------------------------------------------\n");
-
-	print_bad_events();
-	printf("\n");
-
-	perf_session__delete(session);
-}
-
-static struct trace_sched_handler map_ops  = {
-	.wakeup_event		= NULL,
-	.switch_event		= map_switch_event,
-	.runtime_event		= NULL,
-	.fork_event		= NULL,
-};
-
-static void __cmd_map(void)
-{
-	max_cpu = sysconf(_SC_NPROCESSORS_CONF);
-
-	setup_pager();
-	read_events(true, NULL);
-	print_bad_events();
-}
-
-static void __cmd_replay(void)
-{
-	unsigned long i;
-
-	calibrate_run_measurement_overhead();
-	calibrate_sleep_measurement_overhead();
-
-	test_calibrations();
-
-	read_events(true, NULL);
-
-	printf("nr_run_events:        %ld\n", nr_run_events);
-	printf("nr_sleep_events:      %ld\n", nr_sleep_events);
-	printf("nr_wakeup_events:     %ld\n", nr_wakeup_events);
-
-	if (targetless_wakeups)
-		printf("target-less wakeups:  %ld\n", targetless_wakeups);
-	if (multitarget_wakeups)
-		printf("multi-target wakeups: %ld\n", multitarget_wakeups);
-	if (nr_run_events_optimized)
-		printf("run atoms optimized: %ld\n",
-			nr_run_events_optimized);
-
-	print_task_traces();
-	add_cross_task_wakeups();
-
-	create_tasks();
-	printf("------------------------------------------------------------\n");
-	for (i = 0; i < replay_repeat; i++)
-		run_one_test();
-}
-
-
-static const char * const sched_usage[] = {
-	"perf sched [<options>] {record|latency|map|replay|script}",
-	NULL
-};
-
-static const struct option sched_options[] = {
-	OPT_STRING('i', "input", &input_name, "file",
-		    "input file name"),
-	OPT_INCR('v', "verbose", &verbose,
-		    "be more verbose (show symbol address, etc)"),
-	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
-		    "dump raw trace in ASCII"),
-	OPT_END()
-};
-
-static const char * const latency_usage[] = {
-	"perf sched latency [<options>]",
-	NULL
-};
-
-static const struct option latency_options[] = {
-	OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
-		   "sort by key(s): runtime, switch, avg, max"),
-	OPT_INCR('v', "verbose", &verbose,
-		    "be more verbose (show symbol address, etc)"),
-	OPT_INTEGER('C', "CPU", &profile_cpu,
-		    "CPU to profile on"),
-	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
-		    "dump raw trace in ASCII"),
-	OPT_END()
-};
-
-static const char * const replay_usage[] = {
-	"perf sched replay [<options>]",
-	NULL
-};
-
-static const struct option replay_options[] = {
-	OPT_UINTEGER('r', "repeat", &replay_repeat,
-		     "repeat the workload replay N times (-1: infinite)"),
-	OPT_INCR('v', "verbose", &verbose,
-		    "be more verbose (show symbol address, etc)"),
-	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
-		    "dump raw trace in ASCII"),
-	OPT_END()
-};
-
-static void setup_sorting(void)
-{
-	char *tmp, *tok, *str = strdup(sort_order);
-
-	for (tok = strtok_r(str, ", ", &tmp);
-			tok; tok = strtok_r(NULL, ", ", &tmp)) {
-		if (sort_dimension__add(tok, &sort_list) < 0) {
-			error("Unknown --sort key: `%s'", tok);
-			usage_with_options(latency_usage, latency_options);
-		}
-	}
-
-	free(str);
-
-	sort_dimension__add("pid", &cmp_pid);
-}
-
-static const char *record_args[] = {
-	"record",
-	"-a",
-	"-R",
-	"-f",
-	"-m", "1024",
-	"-c", "1",
-	"-e", "sched:sched_switch",
-	"-e", "sched:sched_stat_wait",
-	"-e", "sched:sched_stat_sleep",
-	"-e", "sched:sched_stat_iowait",
-	"-e", "sched:sched_stat_runtime",
-	"-e", "sched:sched_process_exit",
-	"-e", "sched:sched_process_fork",
-	"-e", "sched:sched_wakeup",
-	"-e", "sched:sched_migrate_task",
-};
-
-static int __cmd_record(int argc, const char **argv)
-{
-	unsigned int rec_argc, i, j;
-	const char **rec_argv;
-
-	rec_argc = ARRAY_SIZE(record_args) + argc - 1;
-	rec_argv = calloc(rec_argc + 1, sizeof(char *));
-
-	if (rec_argv == NULL)
-		return -ENOMEM;
-
-	for (i = 0; i < ARRAY_SIZE(record_args); i++)
-		rec_argv[i] = strdup(record_args[i]);
-
-	for (j = 1; j < (unsigned int)argc; j++, i++)
-		rec_argv[i] = argv[j];
-
-	BUG_ON(i != rec_argc);
-
-	return cmd_record(i, rec_argv, NULL);
-}
-
-int cmd_sched(int argc, const char **argv, const char *prefix __used)
-{
-	argc = parse_options(argc, argv, sched_options, sched_usage,
-			     PARSE_OPT_STOP_AT_NON_OPTION);
-	if (!argc)
-		usage_with_options(sched_usage, sched_options);
-
-	/*
-	 * Aliased to 'perf script' for now:
-	 */
-	if (!strcmp(argv[0], "script"))
-		return cmd_script(argc, argv, prefix);
-
-	symbol__init();
-	if (!strncmp(argv[0], "rec", 3)) {
-		return __cmd_record(argc, argv);
-	} else if (!strncmp(argv[0], "lat", 3)) {
-		trace_handler = &lat_ops;
-		if (argc > 1) {
-			argc = parse_options(argc, argv, latency_options, latency_usage, 0);
-			if (argc)
-				usage_with_options(latency_usage, latency_options);
-		}
-		setup_sorting();
-		__cmd_lat();
-	} else if (!strcmp(argv[0], "map")) {
-		trace_handler = &map_ops;
-		setup_sorting();
-		__cmd_map();
-	} else if (!strncmp(argv[0], "rep", 3)) {
-		trace_handler = &replay_ops;
-		if (argc) {
-			argc = parse_options(argc, argv, replay_options, replay_usage, 0);
-			if (argc)
-				usage_with_options(replay_usage, replay_options);
-		}
-		__cmd_replay();
-	} else {
-		usage_with_options(sched_usage, sched_options);
-	}
-
-	return 0;
-}