[fio.git] / eta.c

/*
 * Status and ETA code
 */
#include <unistd.h>
#include <fcntl.h>
#include <string.h>

#include "fio.h"
#include "os.h"

static char run_str[MAX_JOBS + 1];

/*
 * Sets the status of the 'td' in the printed status map.
 */
static void check_str_update(struct thread_data *td)
{
	char c = run_str[td->thread_number - 1];

	switch (td->runstate) {
		case TD_REAPED:
			c = '_';
			break;
		case TD_EXITED:
			c = 'E';
			break;
		case TD_RUNNING:
			if (td_rw(td)) {
				if (td->sequential)
					c = 'M';
				else
					c = 'm';
			} else if (td_read(td)) {
				if (td->sequential)
					c = 'R';
				else
					c = 'r';
			} else {
				if (td->sequential)
					c = 'W';
				else
					c = 'w';
			}
			break;
		case TD_VERIFYING:
			c = 'V';
			break;
		case TD_FSYNCING:
			c = 'F';
			break;
		case TD_CREATED:
			c = 'C';
			break;
		case TD_INITIALIZED:
			c = 'I';
			break;
		case TD_NOT_CREATED:
			c = 'P';
			break;
		default:
			log_err("state %d\n", td->runstate);
	}

	run_str[td->thread_number - 1] = c;
}

/*
 * Convert seconds to a printable string.
 */
static void eta_to_str(char *str, int eta_sec)
{
	unsigned int d, h, m, s;
	int disp_hour = 0;

	d = h = m = s = 0;

	s = eta_sec % 60;
	eta_sec /= 60;
	m = eta_sec % 60;
	eta_sec /= 60;
	h = eta_sec % 24;
	eta_sec /= 24;
	d = eta_sec;

	if (d) {
		disp_hour = 1;
		str += sprintf(str, "%02ud:", d);
	}

	if (h || disp_hour)
		str += sprintf(str, "%02uh:", h);

	str += sprintf(str, "%02um:", m);
	str += sprintf(str, "%02us", s);
}

/*
 * Best effort calculation of the estimated pending runtime of a job.
 */
static int thread_eta(struct thread_data *td, unsigned long elapsed)
{
	unsigned long long bytes_total, bytes_done;
	unsigned long eta_sec = 0;

	bytes_total = td->total_io_size;

	/*
	 * if writing, bytes_total will be twice the size. If mixing,
	 * assume a 50/50 split and thus bytes_total will be 50% larger.
	 */
	if (td->verify) {
		if (td_rw(td))
			bytes_total = bytes_total * 3 / 2;
		else
			bytes_total <<= 1;
	}

	if (td->zone_size && td->zone_skip)
		bytes_total /= (td->zone_skip / td->zone_size);

	if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
		double perc;

		bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
		perc = (double) bytes_done / (double) bytes_total;
		if (perc > 1.0)
			perc = 1.0;

		eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;

		if (td->timeout && eta_sec > (td->timeout - elapsed))
			eta_sec = td->timeout - elapsed;
	} else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
			|| td->runstate == TD_INITIALIZED) {
		int t_eta = 0, r_eta = 0;

		/*
		 * We can only guess - assume it'll run the full timeout
		 * if given, otherwise assume it'll run at the specified rate.
		 */
		if (td->timeout)
			t_eta = td->timeout + td->start_delay - elapsed;
		if (td->rate) {
			r_eta = (bytes_total / 1024) / td->rate;
			r_eta += td->start_delay - elapsed;
		}

		if (r_eta && t_eta)
			eta_sec = min(r_eta, t_eta);
		else if (r_eta)
			eta_sec = r_eta;
		else if (t_eta)
			eta_sec = t_eta;
		else
			eta_sec = 0;
	} else {
		/*
		 * thread is already done or waiting for fsync
		 */
		eta_sec = 0;
	}

	return eta_sec;
}

/*
 * Print status of the jobs we know about. This includes rate estimates,
 * ETA, thread state, etc.
 */
void print_thread_status(void)
{
	unsigned long elapsed = mtime_since_genesis() / 1000;
	int i, nr_running, nr_pending, t_rate, m_rate, *eta_secs, eta_sec;
	struct thread_data *td;
	char eta_str[32];
	double perc = 0.0;

	static unsigned long long prev_io_bytes[2];
	static struct timeval prev_time;
	static unsigned int r_rate, w_rate;
	unsigned long long io_bytes[2];
	unsigned long mtime, bw_avg_time;

	if (temp_stall_ts || terse_output)
		return;

	if (!prev_io_bytes[0] && !prev_io_bytes[1])
		fill_start_time(&prev_time);

	eta_secs = malloc(thread_number * sizeof(int));
	memset(eta_secs, 0, thread_number * sizeof(int));

	io_bytes[0] = io_bytes[1] = 0;
	nr_pending = nr_running = t_rate = m_rate = 0;
	bw_avg_time = ULONG_MAX;
	for_each_td(td, i) {
		if (td->bw_avg_time < bw_avg_time)
			bw_avg_time = td->bw_avg_time;
		if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING||
		    td->runstate == TD_FSYNCING) {
			nr_running++;
			t_rate += td->rate;
			m_rate += td->ratemin;
		} else if (td->runstate < TD_RUNNING)
			nr_pending++;

		if (elapsed >= 3)
			eta_secs[i] = thread_eta(td, elapsed);
		else
			eta_secs[i] = INT_MAX;

		check_str_update(td);
		io_bytes[0] += td->io_bytes[0];
		io_bytes[1] += td->io_bytes[1];
	}

	if (exitall_on_terminate)
		eta_sec = INT_MAX;
	else
		eta_sec = 0;

	for_each_td(td, i) {
		if (exitall_on_terminate) {
			if (eta_secs[i] < eta_sec)
				eta_sec = eta_secs[i];
		} else {
			if (eta_secs[i] > eta_sec)
				eta_sec = eta_secs[i];
		}
	}

	free(eta_secs);

	if (eta_sec != INT_MAX && elapsed) {
		perc = (double) elapsed / (double) (elapsed + eta_sec);
		eta_to_str(eta_str, eta_sec);
	}

	mtime = mtime_since_now(&prev_time);
	if (mtime > bw_avg_time) {
		r_rate = (io_bytes[0] - prev_io_bytes[0]) / mtime;
		w_rate = (io_bytes[1] - prev_io_bytes[1]) / mtime;
		fio_gettime(&prev_time, NULL);
		if (write_bw_log) {
			add_agg_sample(r_rate, DDIR_READ);
			add_agg_sample(w_rate, DDIR_WRITE);
		}
		memcpy(prev_io_bytes, io_bytes, sizeof(io_bytes));
	}

	if (!nr_running && !nr_pending)
		return;

	printf("Threads: %d", nr_running);
	if (m_rate || t_rate)
		printf(", CR=%d/%d KiB/s", t_rate, m_rate);
	if (eta_sec != INT_MAX && nr_running) {
		perc *= 100.0;
		printf(": [%s] [%3.1f%% done] [%6u/%6u kb/s] [eta %s]", run_str, perc, r_rate, w_rate, eta_str);
	}
	printf("\r");
	fflush(stdout);
}

void print_status_init(int thread_number)
{
	run_str[thread_number] = 'P';
}
Commit	Line	Data
	1	/*
	2	* Status and ETA code
	3	*/
	4	#include <unistd.h>
	5	#include <fcntl.h>
	6	#include <string.h>
	7
	8	#include "fio.h"
	9	#include "os.h"
	10
	11	static char run_str[MAX_JOBS + 1];
	12
	13	/*
	14	* Sets the status of the 'td' in the printed status map.
	15	*/
	16	static void check_str_update(struct thread_data *td)
	17	{
	18	char c = run_str[td->thread_number - 1];
	19
	20	switch (td->runstate) {
	21	case TD_REAPED:
	22	c = '_';
	23	break;
	24	case TD_EXITED:
	25	c = 'E';
	26	break;
	27	case TD_RUNNING:
	28	if (td_rw(td)) {
	29	if (td->sequential)
	30	c = 'M';
	31	else
	32	c = 'm';
	33	} else if (td_read(td)) {
	34	if (td->sequential)
	35	c = 'R';
	36	else
	37	c = 'r';
	38	} else {
	39	if (td->sequential)
	40	c = 'W';
	41	else
	42	c = 'w';
	43	}
	44	break;
	45	case TD_VERIFYING:
	46	c = 'V';
	47	break;
	48	case TD_FSYNCING:
	49	c = 'F';
	50	break;
	51	case TD_CREATED:
	52	c = 'C';
	53	break;
	54	case TD_INITIALIZED:
	55	c = 'I';
	56	break;
	57	case TD_NOT_CREATED:
	58	c = 'P';
	59	break;
	60	default:
	61	log_err("state %d\n", td->runstate);
	62	}
	63
	64	run_str[td->thread_number - 1] = c;
	65	}
	66
	67	/*
	68	* Convert seconds to a printable string.
	69	*/
	70	static void eta_to_str(char *str, int eta_sec)
	71	{
	72	unsigned int d, h, m, s;
	73	int disp_hour = 0;
	74
	75	d = h = m = s = 0;
	76
	77	s = eta_sec % 60;
	78	eta_sec /= 60;
	79	m = eta_sec % 60;
	80	eta_sec /= 60;
	81	h = eta_sec % 24;
	82	eta_sec /= 24;
	83	d = eta_sec;
	84
	85	if (d) {
	86	disp_hour = 1;
	87	str += sprintf(str, "%02ud:", d);
	88	}
	89
	90	if (h \|\| disp_hour)
	91	str += sprintf(str, "%02uh:", h);
	92
	93	str += sprintf(str, "%02um:", m);
	94	str += sprintf(str, "%02us", s);
	95	}
	96
	97	/*
	98	* Best effort calculation of the estimated pending runtime of a job.
	99	*/
	100	static int thread_eta(struct thread_data *td, unsigned long elapsed)
	101	{
	102	unsigned long long bytes_total, bytes_done;
	103	unsigned long eta_sec = 0;
	104
	105	bytes_total = td->total_io_size;
	106
	107	/*
	108	* if writing, bytes_total will be twice the size. If mixing,
	109	* assume a 50/50 split and thus bytes_total will be 50% larger.
	110	*/
	111	if (td->verify) {
	112	if (td_rw(td))
	113	bytes_total = bytes_total * 3 / 2;
	114	else
	115	bytes_total <<= 1;
	116	}
	117
	118	if (td->zone_size && td->zone_skip)
	119	bytes_total /= (td->zone_skip / td->zone_size);
	120
	121	if (td->runstate == TD_RUNNING \|\| td->runstate == TD_VERIFYING) {
	122	double perc;
	123
	124	bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
	125	perc = (double) bytes_done / (double) bytes_total;
	126	if (perc > 1.0)
	127	perc = 1.0;
	128
	129	eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
	130
	131	if (td->timeout && eta_sec > (td->timeout - elapsed))
	132	eta_sec = td->timeout - elapsed;
	133	} else if (td->runstate == TD_NOT_CREATED \|\| td->runstate == TD_CREATED
	134	\|\| td->runstate == TD_INITIALIZED) {
	135	int t_eta = 0, r_eta = 0;
	136
	137	/*
	138	* We can only guess - assume it'll run the full timeout
	139	* if given, otherwise assume it'll run at the specified rate.
	140	*/
	141	if (td->timeout)
	142	t_eta = td->timeout + td->start_delay - elapsed;
	143	if (td->rate) {
	144	r_eta = (bytes_total / 1024) / td->rate;
	145	r_eta += td->start_delay - elapsed;
	146	}
	147
	148	if (r_eta && t_eta)
	149	eta_sec = min(r_eta, t_eta);
	150	else if (r_eta)
	151	eta_sec = r_eta;
	152	else if (t_eta)
	153	eta_sec = t_eta;
	154	else
	155	eta_sec = 0;
	156	} else {
	157	/*
	158	* thread is already done or waiting for fsync
	159	*/
	160	eta_sec = 0;
	161	}
	162
	163	return eta_sec;
	164	}
	165
	166	/*
	167	* Print status of the jobs we know about. This includes rate estimates,
	168	* ETA, thread state, etc.
	169	*/
	170	void print_thread_status(void)
	171	{
	172	unsigned long elapsed = mtime_since_genesis() / 1000;
	173	int i, nr_running, nr_pending, t_rate, m_rate, *eta_secs, eta_sec;
	174	struct thread_data *td;
	175	char eta_str[32];
	176	double perc = 0.0;
	177
	178	static unsigned long long prev_io_bytes[2];
	179	static struct timeval prev_time;
	180	static unsigned int r_rate, w_rate;
	181	unsigned long long io_bytes[2];
	182	unsigned long mtime, bw_avg_time;
	183
	184	if (temp_stall_ts \|\| terse_output)
	185	return;
	186
	187	if (!prev_io_bytes[0] && !prev_io_bytes[1])
	188	fill_start_time(&prev_time);
	189
	190	eta_secs = malloc(thread_number * sizeof(int));
	191	memset(eta_secs, 0, thread_number * sizeof(int));
	192
	193	io_bytes[0] = io_bytes[1] = 0;
	194	nr_pending = nr_running = t_rate = m_rate = 0;
	195	bw_avg_time = ULONG_MAX;
	196	for_each_td(td, i) {
	197	if (td->bw_avg_time < bw_avg_time)
	198	bw_avg_time = td->bw_avg_time;
	199	if (td->runstate == TD_RUNNING \|\| td->runstate == TD_VERIFYING\|\|
	200	td->runstate == TD_FSYNCING) {
	201	nr_running++;
	202	t_rate += td->rate;
	203	m_rate += td->ratemin;
	204	} else if (td->runstate < TD_RUNNING)
	205	nr_pending++;
	206
	207	if (elapsed >= 3)
	208	eta_secs[i] = thread_eta(td, elapsed);
	209	else
	210	eta_secs[i] = INT_MAX;
	211
	212	check_str_update(td);
	213	io_bytes[0] += td->io_bytes[0];
	214	io_bytes[1] += td->io_bytes[1];
	215	}
	216
	217	if (exitall_on_terminate)
	218	eta_sec = INT_MAX;
	219	else
	220	eta_sec = 0;
	221
	222	for_each_td(td, i) {
	223	if (exitall_on_terminate) {
	224	if (eta_secs[i] < eta_sec)
	225	eta_sec = eta_secs[i];
	226	} else {
	227	if (eta_secs[i] > eta_sec)
	228	eta_sec = eta_secs[i];
	229	}
	230	}
	231
	232	free(eta_secs);
	233
	234	if (eta_sec != INT_MAX && elapsed) {
	235	perc = (double) elapsed / (double) (elapsed + eta_sec);
	236	eta_to_str(eta_str, eta_sec);
	237	}
	238
	239	mtime = mtime_since_now(&prev_time);
	240	if (mtime > bw_avg_time) {
	241	r_rate = (io_bytes[0] - prev_io_bytes[0]) / mtime;
	242	w_rate = (io_bytes[1] - prev_io_bytes[1]) / mtime;
	243	fio_gettime(&prev_time, NULL);
	244	if (write_bw_log) {
	245	add_agg_sample(r_rate, DDIR_READ);
	246	add_agg_sample(w_rate, DDIR_WRITE);
	247	}
	248	memcpy(prev_io_bytes, io_bytes, sizeof(io_bytes));
	249	}
	250
	251	if (!nr_running && !nr_pending)
	252	return;
	253
	254	printf("Threads: %d", nr_running);
	255	if (m_rate \|\| t_rate)
	256	printf(", CR=%d/%d KiB/s", t_rate, m_rate);
	257	if (eta_sec != INT_MAX && nr_running) {
	258	perc *= 100.0;
	259	printf(": [%s] [%3.1f%% done] [%6u/%6u kb/s] [eta %s]", run_str, perc, r_rate, w_rate, eta_str);
	260	}
	261	printf("\r");
	262	fflush(stdout);
	263	}
	264
	265	void print_status_init(int thread_number)
	266	{
	267	run_str[thread_number] = 'P';
	268	}