[PATCH] Add in-progress io rate

Dumped along with percentage and eta.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index 78a9be0..c17d29e 100644
--- a/HOWTO
+++ b/HOWTO
@@ -454,7 +454,7 @@
 fio spits out a lot of output. While running, fio will display the
 status of the jobs created. An example of that would be:
 
-Threads running: 1: [_r] [24.79% done] [eta 00h:01m:31s]
+Threads running: 1: [_r] [24.79% done] [ 13509/  8334 kb/s] [eta 00h:01m:31s]
 
 The characters inside the square brackets denote the current status of
 each thread. The possible values (in typical life cycle order) are:
@@ -476,9 +476,9 @@
 _		Thread reaped.
 
 The other values are fairly self explanatory - number of threads
-currently running and doing io, and the estimated completion percentage
-and time for the running group. It's impossible to estimate runtime
-of the following groups (if any).
+currently running and doing io, rate of io since last check, and the estimated
+completion percentage and time for the running group. It's impossible to
+estimate runtime of the following groups (if any).
 
 When fio is done (or interrupted by ctrl-c), it will show the data for
 each thread, group of threads, and disks in that order. For each data
diff --git a/eta.c b/eta.c
index 8cf9ea2..339f656 100644
--- a/eta.c
+++ b/eta.c
@@ -176,12 +176,22 @@
 	char eta_str[32];
 	double perc = 0.0;
 
+	static unsigned long long prev_io_bytes[2];
+	static struct timeval prev_time;
+	static unsigned int r_rate, w_rate;
+	unsigned long long io_bytes[2];
+	unsigned long mtime;
+
 	if (temp_stall_ts || terse_output)
 		return;
 
+	if (!prev_io_bytes[0] && !prev_io_bytes[1])
+		fill_start_time(&prev_time);
+
 	eta_secs = malloc(thread_number * sizeof(int));
 	memset(eta_secs, 0, thread_number * sizeof(int));
 
+	io_bytes[0] = io_bytes[1] = 0;
 	nr_pending = nr_running = t_rate = m_rate = 0;
 	for_each_td(td, i) {
 		if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING||
@@ -198,6 +208,8 @@
 			eta_secs[i] = INT_MAX;
 
 		check_str_update(td);
+		io_bytes[0] += td->io_bytes[0];
+		io_bytes[1] += td->io_bytes[1];
 	}
 
 	if (exitall_on_terminate)
@@ -222,6 +234,14 @@
 		eta_to_str(eta_str, eta_sec);
 	}
 
+	mtime = mtime_since_now(&prev_time);
+	if (mtime > 1000) {
+		r_rate = (io_bytes[0] - prev_io_bytes[0]) / mtime;
+		w_rate = (io_bytes[1] - prev_io_bytes[1]) / mtime;
+		gettimeofday(&prev_time, NULL);
+		memcpy(prev_io_bytes, io_bytes, sizeof(io_bytes));
+	}
+
 	if (!nr_running && !nr_pending)
 		return;
 
@@ -230,7 +250,7 @@
 		printf(", commitrate %d/%dKiB/sec", t_rate, m_rate);
 	if (eta_sec != INT_MAX && nr_running) {
 		perc *= 100.0;
-		printf(": [%s] [%3.2f%% done] [eta %s]", run_str, perc,eta_str);
+		printf(": [%s] [%3.2f%% done] [%6u/%6u kb/s] [eta %s]", run_str, perc, r_rate, w_rate, eta_str);
 	}
 	printf("\r");
 	fflush(stdout);
diff --git a/fio.h b/fio.h
index 53e174e..5bb5569 100644
--- a/fio.h
+++ b/fio.h
@@ -459,6 +459,7 @@
 extern void __usec_sleep(unsigned int);
 extern void usec_sleep(struct thread_data *, unsigned long);
 extern void rate_throttle(struct thread_data *, unsigned long, unsigned int, int);
+extern void fill_start_time(struct timeval *);
 
 /*
  * Init functions
diff --git a/time.c b/time.c
index 5d3dee2..d08c791 100644
--- a/time.c
+++ b/time.c
@@ -132,3 +132,8 @@
 {
 	gettimeofday(&genesis, NULL);
 }
+
+void fill_start_time(struct timeval *t)
+{
+	memcpy(t, &genesis, sizeof(genesis));
+}