X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=diskutil.h;h=15ec681a449c4a9b34929933ab95f1c85b3c1257;hp=b2231502c62dca0232e8cd1a2111fe2665e296eb;hb=refs%2Fheads%2Fmaster;hpb=d79db1222039e906dd49ae290daa59701f4e2385

diff --git a/diskutil.h b/diskutil.h
index b2231502..9b283799 100644
--- a/diskutil.h
+++ b/diskutil.h
@@ -1,30 +1,52 @@
 #ifndef FIO_DISKUTIL_H
 #define FIO_DISKUTIL_H
-#include "json.h"
 #define FIO_DU_NAME_SZ		64
 
+#include <stdint.h>
+#include <limits.h>
+
+#include "helper_thread.h"
+#include "fio_sem.h"
+#include "flist.h"
+#include "lib/ieee754.h"
+
+/**
+ * @ios: Number of I/O operations that have been completed successfully.
+ * @merges: Number of I/O operations that have been merged.
+ * @sectors: I/O size in 512-byte units.
+ * @ticks: Time spent on I/O in milliseconds.
+ * @io_ticks: CPU time spent on I/O in milliseconds.
+ * @time_in_queue: Weighted time spent doing I/O in milliseconds.
+ *
+ * For the array members, index 0 refers to reads and index 1 refers to writes.
+ */
+struct disk_util_stats {
+	uint64_t ios[2];
+	uint64_t merges[2];
+	uint64_t sectors[2];
+	uint64_t ticks[2];
+	uint64_t io_ticks;
+	uint64_t time_in_queue;
+	uint64_t msec;
+};
+
 /*
- * Disk utils as read in /sys/block/<dev>/stat
+ * Disk utilization as read from /sys/block/<dev>/stat
  */
 struct disk_util_stat {
 	uint8_t name[FIO_DU_NAME_SZ];
-	uint32_t ios[2];
-	uint32_t merges[2];
-	uint64_t sectors[2];
-	uint32_t ticks[2];
-	uint32_t io_ticks;
-	uint32_t time_in_queue;
-	uint64_t msec;
+	struct disk_util_stats s;
 };
 
 struct disk_util_agg {
-	uint32_t ios[2];
-	uint32_t merges[2];
+	uint64_t ios[2];
+	uint64_t merges[2];
 	uint64_t sectors[2];
-	uint32_t ticks[2];
-	uint32_t io_ticks;
-	uint32_t time_in_queue;
+	uint64_t ticks[2];
+	uint64_t io_ticks;
+	uint64_t time_in_queue;
 	uint32_t slavecount;
+	uint32_t pad;
 	fio_fp64_t max_util;
 };
 
@@ -38,9 +60,8 @@ struct disk_util {
 	 */
 	struct flist_head slavelist;
 
-	char *name;
 	char *sysfs_root;
-	char path[256];
+	char path[PATH_MAX];
 	int major, minor;
 
 	struct disk_util_stat dus;
@@ -57,9 +78,9 @@ struct disk_util {
 	 */
 	struct flist_head slaves;
 
-	struct timeval time;
+	struct timespec time;
 
-	struct fio_mutex *lock;
+	struct fio_sem *lock;
 	unsigned long users;
 };
 
@@ -68,7 +89,7 @@ static inline void disk_util_mod(struct disk_util *du, int val)
 	if (du) {
 		struct flist_head *n;
 
-		fio_mutex_down(du->lock);
+		fio_sem_down(du->lock);
 		du->users += val;
 
 		flist_for_each(n, &du->slavelist) {
@@ -77,7 +98,7 @@ static inline void disk_util_mod(struct disk_util *du, int val)
 			slave = flist_entry(n, struct disk_util, slavelist);
 			slave->users += val;
 		}
-		fio_mutex_up(du->lock);
+		fio_sem_up(du->lock);
 	}
 }
 static inline void disk_util_inc(struct disk_util *du)
@@ -94,27 +115,23 @@ static inline void disk_util_dec(struct disk_util *du)
 
 extern struct flist_head disk_list;
 
-extern void wait_for_disk_thread_exit(void);
-
 /*
  * disk util stuff
  */
 #ifdef FIO_HAVE_DISK_UTIL
-extern void print_disk_util(struct disk_util_stat *, struct disk_util_agg *, int terse);
-extern void show_disk_util(int terse, struct json_object *parent);
-extern void free_disk_util(void);
 extern void init_disk_util(struct thread_data *);
 extern int update_io_ticks(void);
 extern void setup_disk_util(void);
+extern void disk_util_prune_entries(void);
 #else
-#define print_disk_util(dus, agg, terse)
-#define show_disk_util(terse, parent)
-#define free_disk_util()
+/* keep this as a function to avoid a warning in handle_du() */
+#define disk_util_prune_entries()
 #define init_disk_util(td)
 #define setup_disk_util()
+
 static inline int update_io_ticks(void)
 {
-	return 0;
+	return helper_should_exit();
 }
 #endif