#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
*/
struct io_stat {
- unsigned long max_val;
- unsigned long min_val;
- unsigned long samples;
+ uint64_t max_val;
+ uint64_t min_val;
+ uint64_t samples;
- double mean;
- double S;
+ fio_fp64_t mean;
+ fio_fp64_t S;
};
/*
* 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,
};
/*
* Dynamically growing data sample log
*/
struct io_log {
- unsigned long nr_samples;
- unsigned long max_samples;
- struct io_sample *log;
+ /*
+ * Entries already logged
+ */
+ uint64_t nr_samples;
+ uint64_t max_samples;
+ void *log;
+
+ unsigned int log_ddir_mask;
+
+ char *filename;
+
+ struct thread_data *td;
+
+ unsigned int log_type;
+
+ /*
+ * If we fail extending the log, stop collecting more entries.
+ */
+ unsigned int disabled;
+
+ /*
+ * Log offsets
+ */
+ unsigned int log_offset;
+
+ /*
+ * Max size of log entries before a chunk is compressed
+ */
+ unsigned int log_gz;
+
+ /*
+ * Don't deflate for storing, just store the compressed bits
+ */
+ unsigned int log_gz_store;
+
+ /*
+ * Windowed average, for logging single entries average over some
+ * period of time.
+ */
+ struct io_stat avg_window[DDIR_RWDIR_CNT];
+ unsigned long avg_msec;
+ unsigned long avg_last;
+
+ pthread_mutex_t chunk_lock;
+ unsigned int chunk_seq;
+ struct flist_head chunk_list;
+};
+
+/*
+ * 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)
+
+static inline void io_sample_set_ddir(struct io_log *log,
+ struct io_sample *io,
+ enum fio_ddir ddir)
+{
+ io->__ddir = ddir | log->log_ddir_mask;
+}
+
+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)
+{
+ uint64_t sample_offset = sample * __log_entry_sz(log_offset);
+ return (struct io_sample *) ((char *) samples + sample_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,
};
/*
struct rb_node rb_node;
struct flist_head list;
};
+ struct flist_head trim_list;
union {
int fileno;
struct fio_file *file;
};
unsigned long long offset;
+ unsigned short numberio;
unsigned long len;
+ unsigned int flags;
enum fio_ddir ddir;
union {
unsigned long delay;
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_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 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 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 *);
+extern int iolog_compress_init(struct thread_data *);
+extern void iolog_compress_exit(struct thread_data *);
+
+#ifdef CONFIG_ZLIB
+extern int iolog_file_inflate(const char *);
+#endif
/*
* Logging
*/
-extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long,
- unsigned int);
-extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long,
- unsigned int);
-extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long,
- unsigned int);
-extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int,
- struct timeval *);
-extern void show_run_stats(void);
-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 **);
-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 int write_bw_log;
-extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int);
+struct log_params {
+ struct thread_data *td;
+ unsigned long avg_msec;
+ int log_type;
+ int log_offset;
+ int log_gz;
+ int log_gz_store;
+ int log_compress;
+};
+
+extern void finalize_logs(struct thread_data *td);
+extern void setup_log(struct io_log **, struct log_params *, const char *);
+extern void flush_log(struct io_log *, int);
+extern void free_log(struct io_log *);
+extern void fio_writeout_logs(struct thread_data *);
+extern int iolog_flush(struct io_log *, int);
+
+static inline void init_ipo(struct io_piece *ipo)
+{
+ memset(ipo, 0, sizeof(*ipo));
+ INIT_FLIST_HEAD(&ipo->trim_list);
+}
#endif
projects / fio.git / blobdiff