X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.h;h=7a4b1d19c8ebfa527814bee59976b014b5de9a99;hp=baaa9a8d51f57512d2a5ed062e12fa0d4cc658be;hb=50070b5a3b37f013a2b0b968e1b8b34bffff8589;hpb=755200a326a33e5e19b16dfd5e013dd98bcf1916

diff --git a/fio.h b/fio.h
index baaa9a8d..7a4b1d19 100644
--- a/fio.h
+++ b/fio.h
@@ -76,6 +76,11 @@ struct syslet_req {
 };
 #endif
 
+enum {
+	IO_U_F_FREE	= 1 << 0,
+	IO_U_F_FLIGHT	= 1 << 1,
+};
+
 /*
  * The io unit
  */
@@ -124,6 +129,8 @@ struct io_u {
 		unsigned int seen;
 	};
 
+	unsigned int flags;
+
 	struct fio_file *file;
 
 	struct list_head list;
@@ -225,6 +232,31 @@ struct fio_file {
 	unsigned int unlink;
 };
 
+struct thread_stat {
+	struct io_log *slat_log;
+	struct io_log *clat_log;
+	struct io_log *bw_log;
+
+	/*
+	 * bandwidth and latency stats
+	 */
+	struct io_stat clat_stat[2];		/* completion latency */
+	struct io_stat slat_stat[2];		/* submission latency */
+	struct io_stat bw_stat[2];		/* bandwidth stats */
+
+	unsigned long long stat_io_bytes[2];
+	struct timeval stat_sample_time[2];
+
+	/*
+	 * fio system usage accounting
+	 */
+	struct rusage ru_start;
+	struct rusage ru_end;
+	unsigned long usr_time;
+	unsigned long sys_time;
+	unsigned long ctx;
+};
+
 /*
  * How many depth levels to log
  */
@@ -243,6 +275,7 @@ struct thread_data {
 	pthread_t thread;
 	int thread_number;
 	int groupid;
+	struct thread_stat ts;
 	enum fio_filetype filetype;
 	struct fio_file *files;
 	unsigned int nr_files;
@@ -299,6 +332,7 @@ struct thread_data {
 	unsigned int stonewall;
 	unsigned int numjobs;
 	unsigned int iodepth;
+	unsigned int iodepth_low;
 	os_cpu_mask_t cpumask;
 	unsigned int iolog;
 	unsigned int read_iolog;
@@ -357,8 +391,8 @@ struct thread_data {
 	unsigned long io_issues[2];
 	unsigned long long io_blocks[2];
 	unsigned long long io_bytes[2];
-	unsigned long long zone_bytes;
 	unsigned long long this_io_bytes[2];
+	unsigned long long zone_bytes;
 	volatile int mutex;
 
 	/*
@@ -372,33 +406,10 @@ struct thread_data {
 	unsigned int cpuload;
 	unsigned int cpucycle;
 
-	/*
-	 * bandwidth and latency stats
-	 */
-	struct io_stat clat_stat[2];		/* completion latency */
-	struct io_stat slat_stat[2];		/* submission latency */
-	struct io_stat bw_stat[2];		/* bandwidth stats */
-
-	unsigned long long stat_io_bytes[2];
-	struct timeval stat_sample_time[2];
-
-	struct io_log *slat_log;
-	struct io_log *clat_log;
-	struct io_log *bw_log;
-
 	struct timeval start;	/* start of this loop */
 	struct timeval epoch;	/* time job was started */
 	struct timeval end_time;/* time job ended */
 
-	/*
-	 * fio system usage accounting
-	 */
-	struct rusage ru_start;
-	struct rusage ru_end;
-	unsigned long usr_time;
-	unsigned long sys_time;
-	unsigned long ctx;
-
 	/*
 	 * read/write mixed workload state
 	 */
@@ -417,10 +428,25 @@ struct thread_data {
 	 */
 	struct list_head io_hist_list;
 	struct list_head io_log_list;
+
+	/*
+	 * timeout handling
+	 */
+	struct timeval timeout_end;
+	struct itimerval timer;
 };
 
+/*
+ * 30 second per-io_u timeout, with 5 second intervals to avoid resetting
+ * the timer on each queue operation.
+ */
+#define IO_U_TIMEOUT_INC	5
+#define IO_U_TIMEOUT		30
+
 #define __td_verror(td, err, msg)					\
 	do {								\
+		if ((td)->error)					\
+			break;						\
 		int e = (err);						\
 		(td)->error = e;					\
 		snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg));	\
@@ -511,9 +537,9 @@ typedef int (endio_handler)(struct io_u *);
 /*
  * Log exports
  */
-extern int read_iolog_get(struct thread_data *, struct io_u *);
+extern int __must_check read_iolog_get(struct thread_data *, struct io_u *);
 extern void write_iolog_put(struct thread_data *, struct io_u *);
-extern int init_iolog(struct thread_data *td);
+extern int __must_check init_iolog(struct thread_data *td);
 extern void log_io_piece(struct thread_data *, struct io_u *);
 extern void prune_io_piece_log(struct thread_data *);
 extern void write_iolog_close(struct thread_data *);
@@ -551,20 +577,21 @@ extern void usec_sleep(struct thread_data *, unsigned long);
 extern void rate_throttle(struct thread_data *, unsigned long, unsigned int, int);
 extern void fill_start_time(struct timeval *);
 extern void fio_gettime(struct timeval *, void *);
+extern void set_genesis_time(void);
 
 /*
  * Init functions
  */
-extern int parse_options(int, char **);
-extern int init_random_state(struct thread_data *);
+extern int __must_check parse_options(int, char **);
+extern int __must_check init_random_state(struct thread_data *);
 
 /*
  * File setup/shutdown
  */
 extern void close_files(struct thread_data *);
-extern int setup_files(struct thread_data *);
-extern int open_files(struct thread_data *);
-extern int file_invalidate_cache(struct thread_data *, struct fio_file *);
+extern int __must_check setup_files(struct thread_data *);
+extern int __must_check open_files(struct thread_data *);
+extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
 
 /*
  * ETA/status stuff
@@ -593,15 +620,15 @@ enum {
  * Verify helpers
  */
 extern void populate_verify_io_u(struct thread_data *, struct io_u *);
-extern int get_next_verify(struct thread_data *td, struct io_u *);
-extern int verify_io_u(struct io_u *);
+extern int __must_check get_next_verify(struct thread_data *td, struct io_u *);
+extern int __must_check verify_io_u(struct io_u *);
 
 /*
  * Memory helpers
  */
-extern int fio_pin_memory(void);
+extern int __must_check fio_pin_memory(void);
 extern void fio_unpin_memory(void);
-extern int allocate_io_mem(struct thread_data *);
+extern int __must_check allocate_io_mem(struct thread_data *);
 extern void free_io_mem(struct thread_data *);
 
 /*
@@ -609,21 +636,24 @@ extern void free_io_mem(struct thread_data *);
  */
 #define queue_full(td)	list_empty(&(td)->io_u_freelist)
 extern struct io_u *__get_io_u(struct thread_data *);
-extern struct io_u *get_io_u(struct thread_data *, struct fio_file *);
+extern struct io_u *get_io_u(struct thread_data *);
 extern void put_io_u(struct thread_data *, struct io_u *);
 extern void requeue_io_u(struct thread_data *, struct io_u **);
-extern long io_u_sync_complete(struct thread_data *, struct io_u *, endio_handler *);
-extern long io_u_queued_complete(struct thread_data *, int, endio_handler *);
+extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *, endio_handler *);
+extern long __must_check io_u_queued_complete(struct thread_data *, int, endio_handler *);
+extern void io_u_queued(struct thread_data *, struct io_u *);
+extern void io_u_init_timeout(void);
+extern void io_u_set_timeout(struct thread_data *);
 
 /*
  * io engine entry points
  */
-extern int td_io_init(struct thread_data *);
-extern int td_io_prep(struct thread_data *, struct io_u *);
-extern int td_io_queue(struct thread_data *, struct io_u *);
-extern int td_io_sync(struct thread_data *, struct fio_file *);
-extern int td_io_getevents(struct thread_data *, int, int, struct timespec *);
-extern int td_io_commit(struct thread_data *);
+extern int __must_check td_io_init(struct thread_data *);
+extern int __must_check td_io_prep(struct thread_data *, struct io_u *);
+extern int __must_check td_io_queue(struct thread_data *, struct io_u *);
+extern int __must_check td_io_sync(struct thread_data *, struct fio_file *);
+extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *);
+extern int __must_check td_io_commit(struct thread_data *);
 
 /*
  * This is a pretty crappy semaphore implementation, but with the use that fio
@@ -680,7 +710,7 @@ struct ioengine_ops {
 #define FIO_IOOPS_VERSION	5
 
 extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *);
-extern int register_ioengine(struct ioengine_ops *);
+extern void register_ioengine(struct ioengine_ops *);
 extern void unregister_ioengine(struct ioengine_ops *);
 extern void close_ioengine(struct thread_data *);