X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.h;h=b1c13bf7e16b7230c11a9c9dd3c459236a5bef05;hp=b387f48d1600b651a47f7969e0ab3c9ea8ffe49b;hb=d2235e56057f54fc63ccbf789d4c54f9e99978af;hpb=ae5888523480f094ce04375a45797e111273ab22

diff --git a/iolog.h b/iolog.h
index b387f48d..b1c13bf7 100644
--- a/iolog.h
+++ b/iolog.h
@@ -24,7 +24,7 @@ struct io_stat {
 struct io_sample {
 	uint64_t time;
 	uint64_t val;
-	uint32_t ddir;
+	uint32_t __ddir;
 	uint32_t bs;
 };
 
@@ -48,10 +48,16 @@ struct io_log {
 	/*
 	 * Entries already logged
 	 */
-	unsigned long nr_samples;
-	unsigned long max_samples;
+	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;
 
 	/*
@@ -64,6 +70,16 @@ struct io_log {
 	 */
 	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.
@@ -71,8 +87,25 @@ 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)
@@ -141,19 +174,33 @@ 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 *);
 
+#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, uint64_t);
@@ -167,12 +214,14 @@ 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, int);
-extern void __finish_log(struct io_log *, const char *);
+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 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 *);
+extern int iolog_flush(struct io_log *, int);
 
 static inline void init_ipo(struct io_piece *ipo)
 {