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authorAlberto Garcia <berto@igalia.com>2015-10-28 17:33:06 +0200
committerKevin Wolf <kwolf@redhat.com>2015-11-12 16:22:46 +0100
commit96e4dedaff9922f87e4ec351d51d3f093198382a (patch)
tree4f13bd41dbde11ddedeb6ce30d0ae0ca11e8ea6e /include/qemu
parent979e9b03fc8c85d3b78a14410c64cbb16d348095 (diff)
downloadhqemu-96e4dedaff9922f87e4ec351d51d3f093198382a.zip
hqemu-96e4dedaff9922f87e4ec351d51d3f093198382a.tar.gz
block: Add average I/O queue depth to BlockDeviceTimedStats
This patch adds two new fields to BlockDeviceTimedStats that track the average number of pending read and write requests for a block device. The values are calculated for the period of time defined for that interval. Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: fd31fef53e2714f2f30d59ed58ca2f67ec9ab926.1446044837.git.berto@igalia.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/qemu')
-rw-r--r--include/qemu/timed-average.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/qemu/timed-average.h b/include/qemu/timed-average.h
index f1cdddc..364bf88 100644
--- a/include/qemu/timed-average.h
+++ b/include/qemu/timed-average.h
@@ -59,5 +59,6 @@ void timed_average_account(TimedAverage *ta, uint64_t value);
uint64_t timed_average_min(TimedAverage *ta);
uint64_t timed_average_avg(TimedAverage *ta);
uint64_t timed_average_max(TimedAverage *ta);
+uint64_t timed_average_sum(TimedAverage *ta, uint64_t *elapsed);
#endif
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