X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.c;h=96afec665c73a81c7c37286b77e2b3143e38be53;hp=9bcf0d8e2982e37ce5d48fbd64e9653872e54ea0;hb=518dac097ec305d76fab3f0f45ce785a3849d8b5;hpb=b7f487cf80a8299a656df9c2214ff73e72956d71

diff --git a/iolog.c b/iolog.c
index 9bcf0d8e..96afec66 100644
--- a/iolog.c
+++ b/iolog.c
@@ -10,6 +10,7 @@
 #include "fio.h"
 #include "verify.h"
 #include "trim.h"
+#include "filelock.h"
 
 static const char iolog_ver2[] = "fio version 2 iolog";
 
@@ -57,6 +58,7 @@ void log_file(struct thread_data *td, struct fio_file *f,
 static void iolog_delay(struct thread_data *td, unsigned long delay)
 {
 	unsigned long usec = utime_since_now(&td->last_issue);
+	unsigned long this_delay;
 
 	if (delay < usec)
 		return;
@@ -69,7 +71,14 @@ static void iolog_delay(struct thread_data *td, unsigned long delay)
 	if (delay < 100)
 		return;
 
-	usec_sleep(td, delay);
+	while (delay && !td->terminate) {
+		this_delay = delay;
+		if (this_delay > 500000)
+			this_delay = 500000;
+
+		usec_sleep(td, this_delay);
+		delay -= this_delay;
+	}
 }
 
 static int ipo_special(struct thread_data *td, struct io_piece *ipo)
@@ -188,6 +197,10 @@ void log_io_piece(struct thread_data *td, struct io_u *io_u)
 	ipo->file = io_u->file;
 	ipo->offset = io_u->offset;
 	ipo->len = io_u->buflen;
+	ipo->numberio = io_u->numberio;
+	ipo->flags = IP_F_IN_FLIGHT;
+
+	io_u->ipo = ipo;
 
 	if (io_u_should_trim(td, io_u)) {
 		flist_add_tail(&ipo->trim_list, &td->trim_list);
@@ -208,7 +221,7 @@ void log_io_piece(struct thread_data *td, struct io_u *io_u)
 	 * drop the old one, which we rely on the rb insert/lookup for
 	 * handling.
 	 */
-	if ((!td_random(td) || !td->o.overwrite) &&
+	if (((!td->o.verifysort) || !td_random(td) || !td->o.overwrite) &&
 	      (file_randommap(td, ipo->file) || td->o.verify == VERIFY_NONE)) {
 		INIT_FLIST_HEAD(&ipo->list);
 		flist_add_tail(&ipo->list, &td->io_hist_list);
@@ -255,6 +268,33 @@ restart:
 	td->io_hist_len++;
 }
 
+void unlog_io_piece(struct thread_data *td, struct io_u *io_u)
+{
+	struct io_piece *ipo = io_u->ipo;
+
+	if (!ipo)
+		return;
+
+	if (ipo->flags & IP_F_ONRB)
+		rb_erase(&ipo->rb_node, &td->io_hist_tree);
+	else if (ipo->flags & IP_F_ONLIST)
+		flist_del(&ipo->list);
+
+	free(ipo);
+	io_u->ipo = NULL;
+	td->io_hist_len--;
+}
+
+void trim_io_piece(struct thread_data *td, struct io_u *io_u)
+{
+	struct io_piece *ipo = io_u->ipo;
+
+	if (!ipo)
+		return;
+
+	ipo->len = io_u->xfer_buflen - io_u->resid;
+}
+
 void write_iolog_close(struct thread_data *td)
 {
 	fflush(td->iolog_f);
@@ -319,8 +359,7 @@ static int read_iolog2(struct thread_data *td, FILE *f)
 		} else if (r == 2) {
 			rw = DDIR_INVAL;
 			if (!strcmp(act, "add")) {
-				td->o.nr_files++;
-				fileno = add_file(td, fname);
+				fileno = add_file(td, fname, 0, 1);
 				file_action = FIO_LOG_ADD_FILE;
 				continue;
 			} else if (!strcmp(act, "open")) {
@@ -367,10 +406,11 @@ static int read_iolog2(struct thread_data *td, FILE *f)
 		} else {
 			ipo->offset = offset;
 			ipo->len = bytes;
-			if (bytes > td->o.max_bs[rw])
+			if (rw != DDIR_INVAL && bytes > td->o.max_bs[rw])
 				td->o.max_bs[rw] = bytes;
 			ipo->fileno = fileno;
 			ipo->file_action = file_action;
+			td->o.size += bytes;
 		}
 
 		queue_io_piece(td, ipo);
@@ -480,21 +520,27 @@ int init_iolog(struct thread_data *td)
 	int ret = 0;
 
 	if (td->o.read_iolog_file) {
+		int need_swap;
+
 		/*
 		 * Check if it's a blktrace file and load that if possible.
 		 * Otherwise assume it's a normal log file and load that.
 		 */
-		if (is_blktrace(td->o.read_iolog_file))
-			ret = load_blktrace(td, td->o.read_iolog_file);
+		if (is_blktrace(td->o.read_iolog_file, &need_swap))
+			ret = load_blktrace(td, td->o.read_iolog_file, need_swap);
 		else
 			ret = init_iolog_read(td);
 	} else if (td->o.write_iolog_file)
 		ret = init_iolog_write(td);
 
+	if (ret)
+		td_verror(td, EINVAL, "failed initializing iolog");
+
 	return ret;
 }
 
-void setup_log(struct io_log **log, unsigned long avg_msec, int log_type)
+void setup_log(struct io_log **log, unsigned long avg_msec, int log_type,
+	       int log_offset, const char *filename)
 {
 	struct io_log *l = malloc(sizeof(*l));
 
@@ -502,51 +548,218 @@ void setup_log(struct io_log **log, unsigned long avg_msec, int log_type)
 	l->nr_samples = 0;
 	l->max_samples = 1024;
 	l->log_type = log_type;
-	l->log = malloc(l->max_samples * sizeof(struct io_sample));
+	l->log_offset = log_offset;
+	l->log = malloc(l->max_samples * log_entry_sz(l));
 	l->avg_msec = avg_msec;
+	l->filename = strdup(filename);
 	*log = l;
 }
 
-void __finish_log(struct io_log *log, const char *name)
+#ifdef CONFIG_SETVBUF
+static void *set_file_buffer(FILE *f)
 {
-	unsigned int i;
+	size_t size = 1048576;
+	void *buf;
+
+	buf = malloc(size);
+	setvbuf(f, buf, _IOFBF, size);
+	return buf;
+}
+
+static void clear_file_buffer(void *buf)
+{
+	free(buf);
+}
+#else
+static void *set_file_buffer(FILE *f)
+{
+	return NULL;
+}
+
+static void clear_file_buffer(void *buf)
+{
+}
+#endif
+
+void free_log(struct io_log *log)
+{
+	free(log->log);
+	free(log->filename);
+	free(log);
+}
+
+void __finish_log(struct io_log *log)
+{
+	uint64_t i;
+	void *buf;
 	FILE *f;
 
-	f = fopen(name, "a");
+	f = fopen(log->filename, "a");
 	if (!f) {
 		perror("fopen log");
 		return;
 	}
 
+	buf = set_file_buffer(f);
+
 	for (i = 0; i < log->nr_samples; i++) {
-		fprintf(f, "%lu, %lu, %u, %u\n",
-				(unsigned long) log->log[i].time,
-				(unsigned long) log->log[i].val,
-				log->log[i].ddir, log->log[i].bs);
+		struct io_sample *s = get_sample(log, i);
+
+		if (!log->log_offset) {
+			fprintf(f, "%lu, %lu, %u, %u\n",
+					(unsigned long) s->time,
+					(unsigned long) s->val,
+					s->ddir, s->bs);
+		} else {
+			struct io_sample_offset *so = (void *) s;
+
+			fprintf(f, "%lu, %lu, %u, %u, %llu\n",
+					(unsigned long) s->time,
+					(unsigned long) s->val,
+					s->ddir, s->bs,
+					(unsigned long long) so->offset);
+		}
 	}
 
 	fclose(f);
-	free(log->log);
-	free(log);
+	clear_file_buffer(buf);
 }
 
-void finish_log_named(struct thread_data *td, struct io_log *log,
-		       const char *prefix, const char *postfix)
+static int finish_log(struct thread_data *td, struct io_log *log, int trylock)
 {
-	char file_name[256], *p;
-
-	snprintf(file_name, sizeof(file_name), "%s_%s.log", prefix, postfix);
-	p = basename(file_name);
+	if (trylock) {
+		if (fio_trylock_file(log->filename))
+			return 1;
+	} else
+		fio_lock_file(log->filename);
 
 	if (td->client_type == FIO_CLIENT_TYPE_GUI) {
-		fio_send_iolog(td, log, p);
-		free(log->log);
-		free(log);
+		fio_send_iolog(td, log, log->filename);
 	} else
-		__finish_log(log, p);
+		__finish_log(log);
+
+	fio_unlock_file(log->filename);
+	free_log(log);
+	return 0;
+}
+
+static int write_iops_log(struct thread_data *td, int try)
+{
+	struct io_log *log = td->iops_log;
+
+	if (!log)
+		return 0;
+
+	return finish_log(td, log, try);
+}
+
+static int write_slat_log(struct thread_data *td, int try)
+{
+	struct io_log *log = td->slat_log;
+
+	if (!log)
+		return 0;
+
+	return finish_log(td, log, try);
+}
+
+static int write_clat_log(struct thread_data *td, int try)
+{
+	struct io_log *log = td->clat_log;
+
+	if (!log)
+		return 0;
+
+	return finish_log(td, log, try);
 }
 
-void finish_log(struct thread_data *td, struct io_log *log, const char *name)
+static int write_lat_log(struct thread_data *td, int try)
 {
-	finish_log_named(td, log, td->o.name, name);
+	struct io_log *log = td->lat_log;
+
+	if (!log)
+		return 0;
+
+	return finish_log(td, log, try);
+}
+
+static int write_bandw_log(struct thread_data *td, int try)
+{
+	struct io_log *log = td->bw_log;
+
+	if (!log)
+		return 0;
+
+	return finish_log(td, log, try);
+}
+
+enum {
+	BW_LOG_MASK	= 1,
+	LAT_LOG_MASK	= 2,
+	SLAT_LOG_MASK	= 4,
+	CLAT_LOG_MASK	= 8,
+	IOPS_LOG_MASK	= 16,
+
+	ALL_LOG_NR	= 5,
+};
+
+struct log_type {
+	unsigned int mask;
+	int (*fn)(struct thread_data *, int);
+};
+
+static struct log_type log_types[] = {
+	{
+		.mask	= BW_LOG_MASK,
+		.fn	= write_bandw_log,
+	},
+	{
+		.mask	= LAT_LOG_MASK,
+		.fn	= write_lat_log,
+	},
+	{
+		.mask	= SLAT_LOG_MASK,
+		.fn	= write_slat_log,
+	},
+	{
+		.mask	= CLAT_LOG_MASK,
+		.fn	= write_clat_log,
+	},
+	{
+		.mask	= IOPS_LOG_MASK,
+		.fn	= write_iops_log,
+	},
+};
+
+void fio_writeout_logs(struct thread_data *td)
+{
+	unsigned int log_mask = 0;
+	unsigned int log_left = ALL_LOG_NR;
+	int old_state, i;
+
+	old_state = td_bump_runstate(td, TD_FINISHING);
+
+	finalize_logs(td);
+
+	while (log_left) {
+		int prev_log_left = log_left;
+
+		for (i = 0; i < ALL_LOG_NR && log_left; i++) {
+			struct log_type *lt = &log_types[i];
+			int ret;
+
+			if (!(log_mask & lt->mask)) {
+				ret = lt->fn(td, log_left != 1);
+				if (!ret) {
+					log_left--;
+					log_mask |= lt->mask;
+				}
+			}
+		}
+
+		if (prev_log_left == log_left)
+			usleep(5000);
+	}
+
+	td_restore_runstate(td, old_state);
 }