X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.h;h=f97d91f792f717f2d4286e2ac9374939e832ba8f;hp=95617fccb6891a92970c60cb0873e06b99d9782f;hb=518dac097ec305d76fab3f0f45ce785a3849d8b5;hpb=99614958d743d0fdea9b1875d3a41a5a51e9769d

diff --git a/iolog.h b/iolog.h
index 95617fcc..f97d91f7 100644
--- a/iolog.h
+++ b/iolog.h
@@ -1,7 +1,10 @@
 #ifndef FIO_IOLOG_H
 #define FIO_IOLOG_H
 
+#include "lib/rbtree.h"
 #include "lib/ieee754.h"
+#include "flist.h"
+#include "ioengine.h"
 
 /*
  * Use for maintaining statistics
@@ -19,10 +22,23 @@ struct io_stat {
  * A single data sample
  */
 struct io_sample {
-	unsigned long time;
-	unsigned long val;
-	enum fio_ddir ddir;
-	unsigned int bs;
+	uint64_t time;
+	uint64_t val;
+	uint32_t ddir;
+	uint32_t bs;
+};
+
+struct io_sample_offset {
+	struct io_sample s;
+	uint64_t offset;
+};
+
+enum {
+	IO_LOG_TYPE_LAT = 1,
+	IO_LOG_TYPE_CLAT,
+	IO_LOG_TYPE_SLAT,
+	IO_LOG_TYPE_BW,
+	IO_LOG_TYPE_IOPS,
 };
 
 /*
@@ -32,23 +48,63 @@ struct io_log {
 	/*
 	 * Entries already logged
 	 */
-	unsigned long nr_samples;
-	unsigned long max_samples;
-	struct io_sample *log;
+	uint64_t nr_samples;
+	uint64_t max_samples;
+	void *log;
+
+	char *filename;
+
+	unsigned int log_type;
+
+	/*
+	 * If we fail extending the log, stop collecting more entries.
+	 */
+	unsigned int disabled;
+
+	/*
+	 * Log offsets
+	 */
+	unsigned int log_offset;
 
 	/*
 	 * Windowed average, for logging single entries average over some
 	 * period of time.
 	 */
-	struct io_stat avg_window[2];
+	struct io_stat avg_window[DDIR_RWDIR_CNT];
 	unsigned long avg_msec;
 	unsigned long avg_last;
 };
 
+static inline size_t __log_entry_sz(int log_offset)
+{
+	if (log_offset)
+		return sizeof(struct io_sample_offset);
+	else
+		return sizeof(struct io_sample);
+}
+
+static inline size_t log_entry_sz(struct io_log *log)
+{
+	return __log_entry_sz(log->log_offset);
+}
+
+static inline struct io_sample *__get_sample(void *samples, int log_offset,
+					     uint64_t sample)
+{
+	return samples + sample * __log_entry_sz(log_offset);
+}
+
+static inline struct io_sample *get_sample(struct io_log *iolog,
+					   uint64_t sample)
+{
+	return __get_sample(iolog->log, iolog->log_offset, sample);
+}
+
 enum {
 	IP_F_ONRB	= 1,
 	IP_F_ONLIST	= 2,
 	IP_F_TRIMMED	= 4,
+	IP_F_IN_FLIGHT	= 8,
 };
 
 /*
@@ -65,6 +121,7 @@ struct io_piece {
 		struct fio_file *file;
 	};
 	unsigned long long offset;
+	unsigned short numberio;
 	unsigned long len;
 	unsigned int flags;
 	enum fio_ddir ddir;
@@ -84,11 +141,14 @@ enum file_log_act {
 	FIO_LOG_UNLINK_FILE,
 };
 
+struct io_u;
 extern int __must_check read_iolog_get(struct thread_data *, struct io_u *);
 extern void log_io_u(struct thread_data *, 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 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 *, 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 *);
@@ -96,25 +156,26 @@ extern void write_iolog_close(struct thread_data *);
 /*
  * Logging
  */
+extern void finalize_logs(struct thread_data *td);
 extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long,
-				unsigned int);
+				unsigned int, uint64_t);
 extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long,
-				unsigned int);
+				unsigned int, uint64_t);
 extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long,
-				unsigned int);
+				unsigned int, uint64_t);
 extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int,
 				struct timeval *);
-extern void add_iops_sample(struct thread_data *, enum fio_ddir, struct timeval *);
+extern void add_iops_sample(struct thread_data *, enum fio_ddir, unsigned int,
+				struct timeval *);
 extern void init_disk_util(struct thread_data *);
 extern void update_rusage_stat(struct thread_data *);
-extern void update_io_ticks(void);
-extern void setup_log(struct io_log **, unsigned long);
-extern void finish_log(struct thread_data *, struct io_log *, const char *);
-extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *);
-extern void __finish_log(struct io_log *, const char *);
-extern struct io_log *agg_io_log[2];
+extern void setup_log(struct io_log **, unsigned long, int, int, const char *);
+extern void __finish_log(struct io_log *);
+extern void free_log(struct io_log *);
+extern struct io_log *agg_io_log[DDIR_RWDIR_CNT];
 extern int write_bw_log;
 extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int);
+extern void fio_writeout_logs(struct thread_data *);
 
 static inline void init_ipo(struct io_piece *ipo)
 {