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PATCH Jens Axboe 1 participant 1 message Dec 8, 2017

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Jens Axboe

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The following changes since commit 395feabb53806d5cff2e0b73b6c94048f05b5aae:

io_u: rate cleanup and spelling error (2017-12-06 12:30:20 -0700)

are available in the git repository at:

git://git.kernel.dk/fio.git master

for you to fetch changes up to 1aa39b0ce447f228460e6d0af601fee88fd5f4b4:

rate: ensure IO issue restarts right after sleep (2017-12-07 09:06:04 -0700)

----------------------------------------------------------------
Jens Axboe (1):
rate: ensure IO issue restarts right after sleep

 backend.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

---

Diff of recent changes:

backend.c +5 -2
index 69f03dc..5304ddc 100644
@@ -894,10 +894,13 @@ static void handle_thinktime(struct thread_data *td, enum fio_ddir ddir)
 
 	/*
 	 * If we're ignoring thinktime for the rate, add the number of bytes
-	 * we would have done while sleeping.
+	 * we would have done while sleeping, minus one block to ensure we
+	 * start issuing immediately after the sleep.
 	 */
-	if (total && td->rate_bps[ddir] && td->o.rate_ign_think)
+	if (total && td->rate_bps[ddir] && td->o.rate_ign_think) {
 		td->rate_io_issue_bytes[ddir] += (td->rate_bps[ddir] * 1000000) / total;
+		td->rate_io_issue_bytes[ddir] -= td->o.min_bs[ddir];
+	}
 }
 
 /*