X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.h;h=b99329a47d5d6be07f8a2f2e29b75d83cfe0ae88;hp=3af56682c64eaeecbd35e19c753cb315ecabec80;hb=2466096336bd0fbc1a94811aa338926af6baf42f;hpb=25f488581e510c1b440f2e76842ec23f3dad7b57

diff --git a/iolog.h b/iolog.h
index 3af56682..b99329a4 100644
--- a/iolog.h
+++ b/iolog.h
@@ -24,10 +24,15 @@ struct io_stat {
 struct io_sample {
 	uint64_t time;
 	uint64_t val;
-	uint32_t ddir;
+	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,
@@ -43,9 +48,15 @@ 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;
+
+	unsigned int log_ddir_mask;
+
+	char *filename;
+
+	struct thread_data *td;
 
 	unsigned int log_type;
 
@@ -54,6 +65,21 @@ struct io_log {
 	 */
 	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.
@@ -61,8 +87,51 @@ struct io_log {
 	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,
@@ -106,38 +175,41 @@ enum file_log_act {
 
 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 *, 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 *, struct sk_out *);
+extern void iolog_compress_exit(struct thread_data *);
+
+#ifdef CONFIG_ZLIB
+extern int iolog_file_inflate(const char *);
+#endif
 
 /*
  * Logging
  */
+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 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 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 setup_log(struct io_log **, unsigned long, int);
-extern void __finish_log(struct io_log *, const char *);
-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 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)
 {