X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;ds=sidebyside;f=iolog.h;h=f97d91f792f717f2d4286e2ac9374939e832ba8f;hb=518dac097ec305d76fab3f0f45ce785a3849d8b5;hp=3af56682c64eaeecbd35e19c753cb315ecabec80;hpb=25f488581e510c1b440f2e76842ec23f3dad7b57;p=fio.git

diff --git a/iolog.h b/iolog.h
index 3af56682..f97d91f7 100644
--- a/iolog.h
+++ b/iolog.h
@@ -28,6 +28,11 @@ struct io_sample {
 	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 +48,11 @@ 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;
 
@@ -54,6 +61,11 @@ struct io_log {
 	 */
 	unsigned int disabled;
 
+	/*
+	 * Log offsets
+	 */
+	unsigned int log_offset;
+
 	/*
 	 * Windowed average, for logging single entries average over some
 	 * period of time.
@@ -63,6 +75,31 @@ struct io_log {
 	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,
@@ -121,19 +158,20 @@ extern void write_iolog_close(struct thread_data *);
  */
 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, 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 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);