X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=client.c;h=3b54bfdfe6e183b5b0428d0b0fb09b2db5e0fe79;hp=2cba8a034993a6aa55d351c5c3f8dfa7b5a8ef02;hb=493dd6c153bc169e1b52757e496d64ea596f165d;hpb=fd595830408b43beabbd94c8ad3d10e1f68356dd

diff --git a/client.c b/client.c
index 2cba8a03..3b54bfdf 100644
--- a/client.c
+++ b/client.c
@@ -33,6 +33,8 @@ static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd);
 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd);
 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd);
 
+static void convert_text(struct fio_net_cmd *cmd);
+
 struct client_ops fio_client_ops = {
 	.text		= handle_text,
 	.disk_util	= handle_du,
@@ -46,7 +48,7 @@ struct client_ops fio_client_ops = {
 	.client_type	= FIO_CLIENT_TYPE_CLI,
 };
 
-static struct timeval eta_tv;
+static struct timespec eta_ts;
 
 static FLIST_HEAD(client_list);
 static FLIST_HEAD(eta_list);
@@ -59,6 +61,7 @@ int sum_stat_clients;
 
 static int sum_stat_nr;
 static struct json_object *root = NULL;
+static struct json_object *job_opt_object = NULL;
 static struct json_array *clients_array = NULL;
 static struct json_array *du_array = NULL;
 
@@ -69,6 +72,8 @@ static int error_clients;
 #define FIO_CLIENT_HASH_MASK	(FIO_CLIENT_HASH_SZ - 1)
 static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
 
+static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *, bool *);
+
 static void fio_client_add_hash(struct fio_client *client)
 {
 	int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
@@ -117,10 +122,23 @@ static int read_data(int fd, void *data, size_t size)
 
 static void fio_client_json_init(void)
 {
+	char time_buf[32];
+	time_t time_p;
+
 	if (!(output_format & FIO_OUTPUT_JSON))
 		return;
+
+	time(&time_p);
+	os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
+	time_buf[strlen(time_buf) - 1] = '\0';
+
 	root = json_create_object();
 	json_object_add_value_string(root, "fio version", fio_version_string);
+	json_object_add_value_int(root, "timestamp", time_p);
+	json_object_add_value_string(root, "time", time_buf);
+
+	job_opt_object = json_create_object();
+	json_object_add_value_object(root, "global options", job_opt_object);
 	clients_array = json_create_array();
 	json_object_add_value_array(root, "client_stats", clients_array);
 	du_array = json_create_array();
@@ -131,6 +149,8 @@ static void fio_client_json_fini(void)
 {
 	if (!(output_format & FIO_OUTPUT_JSON))
 		return;
+
+	log_info("\n");
 	json_print_object(root, NULL);
 	log_info("\n");
 	json_free_object(root);
@@ -174,6 +194,8 @@ void fio_put_client(struct fio_client *client)
 	}
 	if (client->files)
 		free(client->files);
+	if (client->opt_lists)
+		free(client->opt_lists);
 
 	if (!client->did_stat)
 		sum_stat_clients--;
@@ -195,12 +217,32 @@ static int fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
 	return 1;
 }
 
+static void fio_drain_client_text(struct fio_client *client)
+{
+	do {
+		struct fio_net_cmd *cmd;
+
+		cmd = fio_net_recv_cmd(client->fd, false);
+		if (!cmd)
+			break;
+
+		if (cmd->opcode == FIO_NET_CMD_TEXT) {
+			convert_text(cmd);
+			client->ops->text(client, cmd);
+		}
+
+		free(cmd);
+	} while (1);
+}
+
 static void remove_client(struct fio_client *client)
 {
 	assert(client->refs);
 
 	dprint(FD_NET, "client: removed <%s>\n", client->hostname);
 
+	fio_drain_client_text(client);
+
 	if (!flist_empty(&client->list))
 		flist_del_init(&client->list);
 
@@ -276,7 +318,7 @@ struct fio_client *fio_client_add_explicit(struct client_ops *ops,
 	client->hostname = strdup(hostname);
 
 	if (type == Fio_client_socket)
-		client->is_sock = 1;
+		client->is_sock = true;
 	else {
 		int ipv6;
 
@@ -305,7 +347,7 @@ err:
 	return NULL;
 }
 
-int fio_client_add_ini_file(void *cookie, const char *ini_file, int remote)
+int fio_client_add_ini_file(void *cookie, const char *ini_file, bool remote)
 {
 	struct fio_client *client = cookie;
 	struct client_file *cf;
@@ -515,7 +557,7 @@ int fio_client_terminate(struct fio_client *client)
 	return fio_net_send_quit(client->fd);
 }
 
-void fio_clients_terminate(void)
+static void fio_clients_terminate(void)
 {
 	struct flist_head *entry;
 	struct fio_client *client;
@@ -686,7 +728,7 @@ static int __fio_client_send_remote_ini(struct fio_client *client,
 	strcpy((char *) pdu->file, filename);
 	pdu->client_type = cpu_to_le16((uint16_t) client->type);
 
-	client->sent_job = 1;
+	client->sent_job = true;
 	ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_LOAD_FILE, pdu, p_size,NULL, NULL);
 	free(pdu);
 	return ret;
@@ -739,7 +781,7 @@ static int __fio_client_send_local_ini(struct fio_client *client,
 	pdu->buf_len = __cpu_to_le32(sb.st_size);
 	pdu->client_type = cpu_to_le32(client->type);
 
-	client->sent_job = 1;
+	client->sent_job = true;
 	ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, NULL, NULL);
 	free(pdu);
 	close(fd);
@@ -747,7 +789,7 @@ static int __fio_client_send_local_ini(struct fio_client *client,
 }
 
 int fio_client_send_ini(struct fio_client *client, const char *filename,
-			int remote)
+			bool remote)
 {
 	int ret;
 
@@ -757,7 +799,7 @@ int fio_client_send_ini(struct fio_client *client, const char *filename,
 		ret = __fio_client_send_remote_ini(client, filename);
 
 	if (!ret)
-		client->sent_job = 1;
+		client->sent_job = true;
 
 	return ret;
 }
@@ -774,6 +816,8 @@ int fio_clients_send_ini(const char *filename)
 	struct flist_head *entry, *tmp;
 
 	flist_for_each_safe(entry, tmp, &client_list) {
+		bool failed = false;
+
 		client = flist_entry(entry, struct fio_client, list);
 
 		if (client->nr_files) {
@@ -785,12 +829,13 @@ int fio_clients_send_ini(const char *filename)
 				cf = &client->files[i];
 
 				if (fio_client_send_cf(client, cf)) {
+					failed = true;
 					remove_client(client);
 					break;
 				}
 			}
 		}
-		if (client->sent_job)
+		if (client->sent_job || failed)
 			continue;
 		if (!filename || fio_client_send_ini(client, filename, 0))
 			remove_client(client);
@@ -840,6 +885,7 @@ static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
 		convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
 		convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
 		convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
+		convert_io_stat(&dst->iops_stat[i], &src->iops_stat[i]);
 	}
 
 	dst->usr_time		= le64_to_cpu(src->usr_time);
@@ -847,7 +893,8 @@ static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
 	dst->ctx		= le64_to_cpu(src->ctx);
 	dst->minf		= le64_to_cpu(src->minf);
 	dst->majf		= le64_to_cpu(src->majf);
-	dst->clat_percentiles	= le64_to_cpu(src->clat_percentiles);
+	dst->clat_percentiles	= le32_to_cpu(src->clat_percentiles);
+	dst->lat_percentiles	= le32_to_cpu(src->lat_percentiles);
 	dst->percentile_precision = le64_to_cpu(src->percentile_precision);
 
 	for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
@@ -863,10 +910,12 @@ static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
 		dst->io_u_complete[i]	= le32_to_cpu(src->io_u_complete[i]);
 	}
 
-	for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
+	for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
+		dst->io_u_lat_n[i]	= le32_to_cpu(src->io_u_lat_n[i]);
+	for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
 		dst->io_u_lat_u[i]	= le32_to_cpu(src->io_u_lat_u[i]);
+	for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
 		dst->io_u_lat_m[i]	= le32_to_cpu(src->io_u_lat_m[i]);
-	}
 
 	for (i = 0; i < DDIR_RWDIR_CNT; i++)
 		for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
@@ -893,6 +942,8 @@ static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
 	dst->kb_base		= le32_to_cpu(src->kb_base);
 	dst->unit_base		= le32_to_cpu(src->unit_base);
 
+	dst->sig_figs		= le32_to_cpu(src->sig_figs);
+
 	dst->latency_depth	= le32_to_cpu(src->latency_depth);
 	dst->latency_target	= le64_to_cpu(src->latency_target);
 	dst->latency_window	= le64_to_cpu(src->latency_window);
@@ -901,6 +952,21 @@ static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
 	dst->nr_block_infos	= le64_to_cpu(src->nr_block_infos);
 	for (i = 0; i < dst->nr_block_infos; i++)
 		dst->block_infos[i] = le32_to_cpu(src->block_infos[i]);
+
+	dst->ss_dur		= le64_to_cpu(src->ss_dur);
+	dst->ss_state		= le32_to_cpu(src->ss_state);
+	dst->ss_head		= le32_to_cpu(src->ss_head);
+	dst->ss_limit.u.f 	= fio_uint64_to_double(le64_to_cpu(src->ss_limit.u.i));
+	dst->ss_slope.u.f 	= fio_uint64_to_double(le64_to_cpu(src->ss_slope.u.i));
+	dst->ss_deviation.u.f 	= fio_uint64_to_double(le64_to_cpu(src->ss_deviation.u.i));
+	dst->ss_criterion.u.f 	= fio_uint64_to_double(le64_to_cpu(src->ss_criterion.u.i));
+
+	if (dst->ss_state & FIO_SS_DATA) {
+		for (i = 0; i < dst->ss_dur; i++ ) {
+			dst->ss_iops_data[i] = le64_to_cpu(src->ss_iops_data[i]);
+			dst->ss_bw_data[i] = le64_to_cpu(src->ss_bw_data[i]);
+		}
+	}
 }
 
 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
@@ -912,12 +978,13 @@ static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
 		dst->min_run[i]		= le64_to_cpu(src->min_run[i]);
 		dst->max_bw[i]		= le64_to_cpu(src->max_bw[i]);
 		dst->min_bw[i]		= le64_to_cpu(src->min_bw[i]);
-		dst->io_kb[i]		= le64_to_cpu(src->io_kb[i]);
+		dst->iobytes[i]		= le64_to_cpu(src->iobytes[i]);
 		dst->agg[i]		= le64_to_cpu(src->agg[i]);
 	}
 
 	dst->kb_base	= le32_to_cpu(src->kb_base);
 	dst->unit_base	= le32_to_cpu(src->unit_base);
+	dst->sig_figs	= le32_to_cpu(src->sig_figs);
 	dst->groupid	= le32_to_cpu(src->groupid);
 	dst->unified_rw_rep	= le32_to_cpu(src->unified_rw_rep);
 }
@@ -934,10 +1001,14 @@ static void json_object_add_client_info(struct json_object *obj,
 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
 {
 	struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
+	struct flist_head *opt_list = NULL;
 	struct json_object *tsobj;
 
-	tsobj = show_thread_status(&p->ts, &p->rs, NULL);
-	client->did_stat = 1;
+	if (client->opt_lists && p->ts.thread_number <= client->jobs)
+		opt_list = &client->opt_lists[p->ts.thread_number - 1];
+
+	tsobj = show_thread_status(&p->ts, &p->rs, opt_list, NULL);
+	client->did_stat = true;
 	if (tsobj) {
 		json_object_add_client_info(tsobj, client);
 		json_array_add_value_object(clients_array, tsobj);
@@ -956,7 +1027,7 @@ static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
 
 	if (++sum_stat_nr == sum_stat_clients) {
 		strcpy(client_ts.name, "All clients");
-		tsobj = show_thread_status(&client_ts, &client_gs, NULL);
+		tsobj = show_thread_status(&client_ts, &client_gs, NULL, NULL);
 		if (tsobj) {
 			json_object_add_client_info(tsobj, client);
 			json_array_add_value_object(clients_array, tsobj);
@@ -968,7 +1039,41 @@ static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
 {
 	struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
 
-	show_group_stats(gs, NULL);
+	if (output_format & FIO_OUTPUT_NORMAL)
+		show_group_stats(gs, NULL);
+}
+
+static void handle_job_opt(struct fio_client *client, struct fio_net_cmd *cmd)
+{
+	struct cmd_job_option *pdu = (struct cmd_job_option *) cmd->payload;
+	struct print_option *p;
+
+	if (!job_opt_object)
+		return;
+
+	pdu->global = le16_to_cpu(pdu->global);
+	pdu->truncated = le16_to_cpu(pdu->truncated);
+	pdu->groupid = le32_to_cpu(pdu->groupid);
+
+	p = malloc(sizeof(*p));
+	p->name = strdup((char *) pdu->name);
+	if (pdu->value[0] != '\0')
+		p->value = strdup((char *) pdu->value);
+	else
+		p->value = NULL;
+
+	if (pdu->global) {
+		const char *pos = "";
+
+		if (p->value)
+			pos = p->value;
+
+		json_object_add_value_string(job_opt_object, p->name, pos);
+	} else if (client->opt_lists) {
+		struct flist_head *opt_list = &client->opt_lists[pdu->groupid];
+
+		flist_add_tail(&p->list, opt_list);
+	}
 }
 
 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
@@ -1025,7 +1130,7 @@ static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
 	struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
 
 	if (!client->disk_stats_shown) {
-		client->disk_stats_shown = 1;
+		client->disk_stats_shown = true;
 		log_info("\nDisk stats (read/write):\n");
 	}
 
@@ -1052,11 +1157,11 @@ static void convert_jobs_eta(struct jobs_eta *je)
 	je->files_open		= le32_to_cpu(je->files_open);
 
 	for (i = 0; i < DDIR_RWDIR_CNT; i++) {
-		je->m_rate[i]	= le32_to_cpu(je->m_rate[i]);
-		je->t_rate[i]	= le32_to_cpu(je->t_rate[i]);
+		je->m_rate[i]	= le64_to_cpu(je->m_rate[i]);
+		je->t_rate[i]	= le64_to_cpu(je->t_rate[i]);
 		je->m_iops[i]	= le32_to_cpu(je->m_iops[i]);
 		je->t_iops[i]	= le32_to_cpu(je->t_iops[i]);
-		je->rate[i]	= le32_to_cpu(je->rate[i]);
+		je->rate[i]	= le64_to_cpu(je->rate[i]);
 		je->iops[i]	= le32_to_cpu(je->iops[i]);
 	}
 
@@ -1065,6 +1170,7 @@ static void convert_jobs_eta(struct jobs_eta *je)
 	je->nr_threads		= le32_to_cpu(je->nr_threads);
 	je->is_pow2		= le32_to_cpu(je->is_pow2);
 	je->unit_base		= le32_to_cpu(je->unit_base);
+	je->sig_figs		= le32_to_cpu(je->sig_figs);
 }
 
 void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
@@ -1100,7 +1206,7 @@ void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
 	strcpy((char *) dst->run_str, (char *) je->run_str);
 }
 
-static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
+static bool remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
 {
 	struct fio_net_cmd_reply *reply = NULL;
 	struct flist_head *entry;
@@ -1116,12 +1222,13 @@ static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
 
 	if (!reply) {
 		log_err("fio: client: unable to find matching tag (%llx)\n", (unsigned long long) cmd->tag);
-		return;
+		return false;
 	}
 
 	flist_del(&reply->list);
 	cmd->tag = reply->saved_tag;
 	free(reply);
+	return true;
 }
 
 int fio_client_wait_for_reply(struct fio_client *client, uint64_t tag)
@@ -1159,6 +1266,7 @@ static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
 
 	client->eta_in_flight = NULL;
 	flist_del_init(&client->eta_list);
+	client->eta_timeouts = 0;
 
 	if (client->ops->jobs_eta)
 		client->ops->jobs_eta(client, je);
@@ -1167,6 +1275,126 @@ static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
 	fio_client_dec_jobs_eta(eta, client->ops->eta);
 }
 
+static void client_flush_hist_samples(FILE *f, int hist_coarseness, void *samples,
+				      uint64_t sample_size)
+{
+	struct io_sample *s;
+	int log_offset;
+	uint64_t i, j, nr_samples;
+	struct io_u_plat_entry *entry;
+	unsigned int *io_u_plat;
+
+	int stride = 1 << hist_coarseness;
+
+	if (!sample_size)
+		return;
+
+	s = __get_sample(samples, 0, 0);
+	log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0;
+
+	nr_samples = sample_size / __log_entry_sz(log_offset);
+
+	for (i = 0; i < nr_samples; i++) {
+
+		s = (struct io_sample *)((char *)__get_sample(samples, log_offset, i) +
+			i * sizeof(struct io_u_plat_entry));
+
+		entry = s->data.plat_entry;
+		io_u_plat = entry->io_u_plat;
+
+		fprintf(f, "%lu, %u, %u, ", (unsigned long) s->time,
+						io_sample_ddir(s), s->bs);
+		for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) {
+			fprintf(f, "%lu, ", hist_sum(j, stride, io_u_plat, NULL));
+		}
+		fprintf(f, "%lu\n", (unsigned long)
+			hist_sum(FIO_IO_U_PLAT_NR - stride, stride, io_u_plat, NULL));
+
+	}
+}
+
+static int fio_client_handle_iolog(struct fio_client *client,
+				   struct fio_net_cmd *cmd)
+{
+	struct cmd_iolog_pdu *pdu = NULL;
+	bool store_direct;
+	char *log_pathname = NULL;
+	int ret = 0;
+
+	pdu = convert_iolog(cmd, &store_direct);
+	if (!pdu) {
+		log_err("fio: failed converting IO log\n");
+		ret = 1;
+		goto out;
+	}
+
+        /* allocate buffer big enough for next sprintf() call */
+	log_pathname = malloc(10 + strlen((char *)pdu->name) +
+			strlen(client->hostname));
+	if (!log_pathname) {
+		log_err("fio: memory allocation of unique pathname failed\n");
+		ret = -1;
+		goto out;
+	}
+	/* generate a unique pathname for the log file using hostname */
+	sprintf(log_pathname, "%s.%s", pdu->name, client->hostname);
+
+	if (store_direct) {
+		ssize_t ret;
+		size_t sz;
+		int fd;
+
+		fd = open((const char *) log_pathname,
+				O_WRONLY | O_CREAT | O_TRUNC, 0644);
+		if (fd < 0) {
+			log_err("fio: open log %s: %s\n",
+				log_pathname, strerror(errno));
+			ret = 1;
+			goto out;
+		}
+
+		sz = cmd->pdu_len - sizeof(*pdu);
+		ret = write(fd, pdu->samples, sz);
+		close(fd);
+
+		if (ret != sz) {
+			log_err("fio: short write on compressed log\n");
+			ret = 1;
+			goto out;
+		}
+
+		ret = 0;
+	} else {
+		FILE *f;
+		f = fopen((const char *) log_pathname, "w");
+		if (!f) {
+			log_err("fio: fopen log %s : %s\n",
+				log_pathname, strerror(errno));
+			ret = 1;
+			goto out;
+		}
+
+		if (pdu->log_type == IO_LOG_TYPE_HIST) {
+			client_flush_hist_samples(f, pdu->log_hist_coarseness, pdu->samples,
+					   pdu->nr_samples * sizeof(struct io_sample));
+		} else {
+			flush_samples(f, pdu->samples,
+					pdu->nr_samples * sizeof(struct io_sample));
+		}
+		fclose(f);
+		ret = 0;
+	}
+
+out:
+	if (pdu && pdu != (void *) cmd->payload)
+		free(pdu);
+
+	if (log_pathname)
+		free(log_pathname);
+
+	return ret;
+}
+
 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
 {
 	struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload;
@@ -1200,6 +1428,17 @@ static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
 	client->jobs = le32_to_cpu(pdu->jobs);
 	client->nr_stat = le32_to_cpu(pdu->stat_outputs);
 
+	if (client->jobs) {
+		int i;
+
+		if (client->opt_lists)
+			free(client->opt_lists);
+
+		client->opt_lists = malloc(client->jobs * sizeof(struct flist_head));
+		for (i = 0; i < client->jobs; i++)
+			INIT_FLIST_HEAD(&client->opt_lists[i]);
+	}
+
 	sum_stat_clients += client->nr_stat;
 }
 
@@ -1234,7 +1473,7 @@ static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
 	z_stream stream;
 	uint32_t nr_samples;
 	size_t total;
-	void *p;
+	char *p;
 
 	stream.zalloc = Z_NULL;
 	stream.zfree = Z_NULL;
@@ -1250,16 +1489,20 @@ static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
 	 */
 	nr_samples = le64_to_cpu(pdu->nr_samples);
 
-	total = nr_samples * __log_entry_sz(le32_to_cpu(pdu->log_offset));
+	if (pdu->log_type == IO_LOG_TYPE_HIST)
+		total = nr_samples * (__log_entry_sz(le32_to_cpu(pdu->log_offset)) +
+					sizeof(struct io_u_plat_entry));
+	else
+		total = nr_samples * __log_entry_sz(le32_to_cpu(pdu->log_offset));
 	ret = malloc(total + sizeof(*pdu));
 	ret->nr_samples = nr_samples;
 
 	memcpy(ret, pdu, sizeof(*pdu));
 
-	p = (void *) ret + sizeof(*pdu);
+	p = (char *) ret + sizeof(*pdu);
 
 	stream.avail_in = cmd->pdu_len - sizeof(*pdu);
-	stream.next_in = (void *) pdu + sizeof(*pdu);
+	stream.next_in = (void *)((char *) pdu + sizeof(*pdu));
 	while (stream.avail_in) {
 		unsigned int this_chunk = 65536;
 		unsigned int this_len;
@@ -1269,7 +1512,7 @@ static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
 			this_chunk = total;
 
 		stream.avail_out = this_chunk;
-		stream.next_out = p;
+		stream.next_out = (void *)p;
 		err = inflate(&stream, Z_NO_FLUSH);
 		/* may be Z_OK, or Z_STREAM_END */
 		if (err < 0) {
@@ -1296,18 +1539,23 @@ err:
  * This has been compressed on the server side, since it can be big.
  * Uncompress here.
  */
-static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd)
+static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd,
+					   bool *store_direct)
 {
 	struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload;
 	struct cmd_iolog_pdu *ret;
 	uint64_t i;
+	int compressed;
 	void *samples;
 
+	*store_direct = false;
+
 	/*
 	 * Convert if compressed and we support it. If it's not
 	 * compressed, we need not do anything.
 	 */
-	if (le32_to_cpu(pdu->compressed)) {
+	compressed = le32_to_cpu(pdu->compressed);
+	if (compressed == XMIT_COMPRESSED) {
 #ifndef CONFIG_ZLIB
 		log_err("fio: server sent compressed data by mistake\n");
 		return NULL;
@@ -1317,6 +1565,9 @@ static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd)
 			log_err("fio: failed decompressing log\n");
 			return NULL;
 		}
+	} else if (compressed == STORE_COMPRESSED) {
+		*store_direct = true;
+		ret = pdu;
 	} else
 		ret = pdu;
 
@@ -1325,14 +1576,21 @@ static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd)
 	ret->log_type		= le32_to_cpu(ret->log_type);
 	ret->compressed		= le32_to_cpu(ret->compressed);
 	ret->log_offset		= le32_to_cpu(ret->log_offset);
+	ret->log_hist_coarseness = le32_to_cpu(ret->log_hist_coarseness);
+
+	if (*store_direct)
+		return ret;
 
 	samples = &ret->samples[0];
 	for (i = 0; i < ret->nr_samples; i++) {
 		struct io_sample *s;
 
 		s = __get_sample(samples, ret->log_offset, i);
+		if (ret->log_type == IO_LOG_TYPE_HIST)
+			s = (struct io_sample *)((char *)s + sizeof(struct io_u_plat_entry) * i);
+
 		s->time		= le64_to_cpu(s->time);
-		s->val		= le64_to_cpu(s->val);
+		s->data.val	= le64_to_cpu(s->data.val);
 		s->__ddir	= le32_to_cpu(s->__ddir);
 		s->bs		= le32_to_cpu(s->bs);
 
@@ -1341,6 +1599,12 @@ static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd)
 
 			so->offset = le64_to_cpu(so->offset);
 		}
+
+		if (ret->log_type == IO_LOG_TYPE_HIST) {
+			s->data.plat_entry = (struct io_u_plat_entry *)(((char *)s) + sizeof(*s));
+			s->data.plat_entry->list.next = NULL;
+			s->data.plat_entry->list.prev = NULL;
+		}
 	}
 
 	return ret;
@@ -1353,8 +1617,8 @@ static void sendfile_reply(int fd, struct cmd_sendfile_reply *rep,
 	fio_net_send_cmd(fd, FIO_NET_CMD_SENDFILE, rep, size, &tag, NULL);
 }
 
-static int send_file(struct fio_client *client, struct cmd_sendfile *pdu,
-		     uint64_t tag)
+static int fio_send_file(struct fio_client *client, struct cmd_sendfile *pdu,
+			 uint64_t tag)
 {
 	struct cmd_sendfile_reply *rep;
 	struct stat sb;
@@ -1391,16 +1655,19 @@ int fio_handle_client(struct fio_client *client)
 {
 	struct client_ops *ops = client->ops;
 	struct fio_net_cmd *cmd;
+	int size;
 
 	dprint(FD_NET, "client: handle %s\n", client->hostname);
 
-	cmd = fio_net_recv_cmd(client->fd);
+	cmd = fio_net_recv_cmd(client->fd, true);
 	if (!cmd)
 		return 0;
 
 	dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n",
 		fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len);
 
+	client->last_cmd = cmd->opcode;
+
 	switch (cmd->opcode) {
 	case FIO_NET_CMD_QUIT:
 		if (ops->quit)
@@ -1423,6 +1690,15 @@ int fio_handle_client(struct fio_client *client)
 	case FIO_NET_CMD_TS: {
 		struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
 
+		dprint(FD_NET, "client: ts->ss_state = %u\n", (unsigned int) le32_to_cpu(p->ts.ss_state));
+		if (le32_to_cpu(p->ts.ss_state) & FIO_SS_DATA) {
+			dprint(FD_NET, "client: received steadystate ring buffers\n");
+
+			size = le64_to_cpu(p->ts.ss_dur);
+			p->ts.ss_iops_data = (uint64_t *) ((struct cmd_ts_pdu *)cmd->payload + 1);
+			p->ts.ss_bw_data = p->ts.ss_iops_data + size;
+		}
+
 		convert_ts(&p->ts, &p->ts);
 		convert_gs(&p->rs, &p->rs);
 
@@ -1440,7 +1716,8 @@ int fio_handle_client(struct fio_client *client)
 	case FIO_NET_CMD_ETA: {
 		struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
 
-		remove_reply_cmd(client, cmd);
+		if (!remove_reply_cmd(client, cmd))
+			break;
 		convert_jobs_eta(je);
 		handle_eta(client, cmd);
 		break;
@@ -1482,12 +1759,7 @@ int fio_handle_client(struct fio_client *client)
 		break;
 		}
 	case FIO_NET_CMD_IOLOG:
-		if (ops->iolog) {
-			struct cmd_iolog_pdu *pdu;
-
-			pdu = convert_iolog(cmd);
-			ops->iolog(client, pdu);
-		}
+		fio_client_handle_iolog(client, cmd);
 		break;
 	case FIO_NET_CMD_UPDATE_JOB:
 		ops->update_job(client, cmd);
@@ -1509,9 +1781,13 @@ int fio_handle_client(struct fio_client *client)
 		}
 	case FIO_NET_CMD_SENDFILE: {
 		struct cmd_sendfile *pdu = (struct cmd_sendfile *) cmd->payload;
-		send_file(client, pdu, cmd->tag);
+		fio_send_file(client, pdu, cmd->tag);
 		break;
 		}
+	case FIO_NET_CMD_JOB_OPT: {
+		handle_job_opt(client, cmd);
+		break;
+	}
 	default:
 		log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
 		break;
@@ -1588,8 +1864,39 @@ static void request_client_etas(struct client_ops *ops)
 	dprint(FD_NET, "client: requested eta tag %p\n", eta);
 }
 
+/*
+ * A single SEND_ETA timeout isn't fatal. Attempt to recover.
+ */
+static int handle_cmd_timeout(struct fio_client *client,
+			      struct fio_net_cmd_reply *reply)
+{
+	uint16_t reply_opcode = reply->opcode;
+
+	flist_del(&reply->list);
+	free(reply);
+
+	if (reply_opcode != FIO_NET_CMD_SEND_ETA)
+		return 1;
+
+	log_info("client <%s>: timeout on SEND_ETA\n", client->hostname);
+
+	flist_del_init(&client->eta_list);
+	if (client->eta_in_flight) {
+		fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
+		client->eta_in_flight = NULL;
+	}
+
+	/*
+	 * If we fail 5 in a row, give up...
+	 */
+	if (client->eta_timeouts++ > 5)
+		return 1;
+
+	return 0;
+}
+
 static int client_check_cmd_timeout(struct fio_client *client,
-				    struct timeval *now)
+				    struct timespec *now)
 {
 	struct fio_net_cmd_reply *reply;
 	struct flist_head *entry, *tmp;
@@ -1598,13 +1905,14 @@ static int client_check_cmd_timeout(struct fio_client *client,
 	flist_for_each_safe(entry, tmp, &client->cmd_list) {
 		reply = flist_entry(entry, struct fio_net_cmd_reply, list);
 
-		if (mtime_since(&reply->tv, now) < FIO_NET_CLIENT_TIMEOUT)
+		if (mtime_since(&reply->ts, now) < FIO_NET_CLIENT_TIMEOUT)
+			continue;
+
+		if (!handle_cmd_timeout(client, reply))
 			continue;
 
 		log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
 						fio_server_op(reply->opcode));
-		flist_del(&reply->list);
-		free(reply);
 		ret = 1;
 	}
 
@@ -1615,10 +1923,10 @@ static int fio_check_clients_timed_out(void)
 {
 	struct fio_client *client;
 	struct flist_head *entry, *tmp;
-	struct timeval tv;
+	struct timespec ts;
 	int ret = 0;
 
-	fio_gettime(&tv, NULL);
+	fio_gettime(&ts, NULL);
 
 	flist_for_each_safe(entry, tmp, &client_list) {
 		client = flist_entry(entry, struct fio_client, list);
@@ -1626,7 +1934,7 @@ static int fio_check_clients_timed_out(void)
 		if (flist_empty(&client->cmd_list))
 			continue;
 
-		if (!client_check_cmd_timeout(client, &tv))
+		if (!client_check_cmd_timeout(client, &ts))
 			continue;
 
 		if (client->ops->timed_out)
@@ -1634,7 +1942,10 @@ static int fio_check_clients_timed_out(void)
 		else
 			log_err("fio: client %s timed out\n", client->hostname);
 
-		client->error = ETIMEDOUT;
+		if (client->last_cmd != FIO_NET_CMD_VTRIGGER)
+			client->error = ETIMEDOUT;
+		else
+			log_info("fio: ignoring timeout due to vtrigger\n");
 		remove_client(client);
 		ret = 1;
 	}
@@ -1647,7 +1958,7 @@ int fio_handle_clients(struct client_ops *ops)
 	struct pollfd *pfds;
 	int i, ret = 0, retval = 0;
 
-	fio_gettime(&eta_tv, NULL);
+	fio_gettime(&eta_ts, NULL);
 
 	pfds = malloc(nr_clients * sizeof(struct pollfd));
 
@@ -1679,13 +1990,13 @@ int fio_handle_clients(struct client_ops *ops)
 		assert(i == nr_clients);
 
 		do {
-			struct timeval tv;
+			struct timespec ts;
 			int timeout;
 
-			fio_gettime(&tv, NULL);
-			if (mtime_since(&eta_tv, &tv) >= 900) {
+			fio_gettime(&ts, NULL);
+			if (mtime_since(&eta_ts, &ts) >= 900) {
 				request_client_etas(ops);
-				memcpy(&eta_tv, &tv, sizeof(tv));
+				memcpy(&eta_ts, &ts, sizeof(ts));
 
 				if (fio_check_clients_timed_out())
 					break;