X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.h;h=62cbd1b02fe78cd8fed2fbe827ba779c446ece19;hp=37f27bcafb94df1fe7cac3f23f99f0bc4a0c0131;hb=b5f3adf9e1e40c7bdb76a9e433aa580f7eead740;hpb=3dd2e8aa0519225da5ccc100aa02e55306bcc2f3

diff --git a/iolog.h b/iolog.h
index 37f27bca..62cbd1b0 100644
--- a/iolog.h
+++ b/iolog.h
@@ -1,10 +1,12 @@
 #ifndef FIO_IOLOG_H
 #define FIO_IOLOG_H
 
+#include <stdio.h>
+
 #include "lib/rbtree.h"
 #include "lib/ieee754.h"
 #include "flist.h"
-#include "ioengine.h"
+#include "ioengines.h"
 
 /*
  * Use for maintaining statistics
@@ -40,7 +42,8 @@ struct io_sample {
 	uint64_t time;
 	union io_sample_data data;
 	uint32_t __ddir;
-	uint32_t bs;
+	uint16_t priority;
+	uint64_t bs;
 };
 
 struct io_sample_offset {
@@ -101,6 +104,11 @@ struct io_log {
 	 */
 	unsigned int log_offset;
 
+	/*
+	 * Log I/O priorities
+	 */
+	unsigned int log_prio;
+
 	/*
 	 * Max size of log entries before a chunk is compressed
 	 */
@@ -117,7 +125,7 @@ struct io_log {
 	 */
 	struct io_stat avg_window[DDIR_RWDIR_CNT];
 	unsigned long avg_msec;
-	unsigned long avg_last;
+	unsigned long avg_last[DDIR_RWDIR_CNT];
 
 	/*
 	 * Windowed latency histograms, for keeping track of when we need to
@@ -131,13 +139,24 @@ struct io_log {
 	pthread_mutex_t chunk_lock;
 	unsigned int chunk_seq;
 	struct flist_head chunk_list;
+
+	pthread_mutex_t deferred_free_lock;
+#define IOLOG_MAX_DEFER	8
+	void *deferred_items[IOLOG_MAX_DEFER];
+	unsigned int deferred;
 };
 
 /*
  * If the upper bit is set, then we have the offset as well
  */
 #define LOG_OFFSET_SAMPLE_BIT	0x80000000U
-#define io_sample_ddir(io)	((io)->__ddir & ~LOG_OFFSET_SAMPLE_BIT)
+/*
+ * If the bit following the upper bit is set, then we have the priority
+ */
+#define LOG_PRIO_SAMPLE_BIT	0x40000000U
+
+#define LOG_SAMPLE_BITS		(LOG_OFFSET_SAMPLE_BIT | LOG_PRIO_SAMPLE_BIT)
+#define io_sample_ddir(io)	((io)->__ddir & ~LOG_SAMPLE_BITS)
 
 static inline void io_sample_set_ddir(struct io_log *log,
 				      struct io_sample *io,
@@ -174,6 +193,7 @@ static inline struct io_sample *__get_sample(void *samples, int log_offset,
 struct io_logs *iolog_cur_log(struct io_log *);
 uint64_t iolog_nr_samples(struct io_log *);
 void regrow_logs(struct thread_data *);
+void regrow_agg_logs(void);
 
 static inline struct io_sample *get_sample(struct io_log *iolog,
 					   struct io_logs *cur_log,
@@ -194,7 +214,7 @@ enum {
  */
 struct io_piece {
 	union {
-		struct rb_node rb_node;
+		struct fio_rb_node rb_node;
 		struct flist_head list;
 	};
 	struct flist_head trim_list;
@@ -207,10 +227,8 @@ struct io_piece {
 	unsigned long len;
 	unsigned int flags;
 	enum fio_ddir ddir;
-	union {
-		unsigned long delay;
-		unsigned int file_action;
-	};
+	unsigned long delay;
+	unsigned int file_action;
 };
 
 /*
@@ -227,16 +245,20 @@ struct io_u;
 extern int __must_check read_iolog_get(struct thread_data *, struct io_u *);
 extern void log_io_u(const struct thread_data *, const struct io_u *);
 extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act);
-extern int __must_check init_iolog(struct thread_data *td);
+extern bool __must_check init_iolog(struct thread_data *td);
 extern void log_io_piece(struct thread_data *, struct io_u *);
 extern void unlog_io_piece(struct thread_data *, struct io_u *);
-extern void trim_io_piece(struct thread_data *, const struct io_u *);
+extern void trim_io_piece(const struct io_u *);
 extern void queue_io_piece(struct thread_data *, struct io_piece *);
 extern void prune_io_piece_log(struct thread_data *);
 extern void write_iolog_close(struct thread_data *);
+int64_t iolog_items_to_fetch(struct thread_data *td);
 extern int iolog_compress_init(struct thread_data *, struct sk_out *);
 extern void iolog_compress_exit(struct thread_data *);
 extern size_t log_chunk_sizes(struct io_log *);
+extern int init_io_u_buffers(struct thread_data *);
+extern unsigned long long delay_since_ttime(const struct thread_data *,
+					     unsigned long long);
 
 #ifdef CONFIG_ZLIB
 extern int iolog_file_inflate(const char *);
@@ -252,6 +274,7 @@ struct log_params {
 	int hist_coarseness;
 	int log_type;
 	int log_offset;
+	int log_prio;
 	int log_gz;
 	int log_gz_store;
 	int log_compress;
@@ -259,7 +282,7 @@ struct log_params {
 
 static inline bool per_unit_log(struct io_log *log)
 {
-	return log && !log->avg_msec;
+	return log && (!log->avg_msec || log->log_gz || log->log_gz_store);
 }
 
 static inline bool inline_log(struct io_log *log)
@@ -281,7 +304,7 @@ extern void finalize_logs(struct thread_data *td, bool);
 extern void setup_log(struct io_log **, struct log_params *, const char *);
 extern void flush_log(struct io_log *, bool);
 extern void flush_samples(FILE *, void *, uint64_t);
-extern unsigned long hist_sum(int, int, unsigned int *, unsigned int *);
+extern uint64_t hist_sum(int, int, uint64_t *, uint64_t *);
 extern void free_log(struct io_log *);
 extern void fio_writeout_logs(bool);
 extern void td_writeout_logs(struct thread_data *, bool);
@@ -289,7 +312,7 @@ extern int iolog_cur_flush(struct io_log *, struct io_logs *);
 
 static inline void init_ipo(struct io_piece *ipo)
 {
-	memset(ipo, 0, sizeof(*ipo));
+	INIT_FLIST_HEAD(&ipo->list);
 	INIT_FLIST_HEAD(&ipo->trim_list);
 }