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f229a55c31
linux/tools/virtio/ringtest
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Michael S. Tsirkin f229a55c31 virtio/ringtest: fix up need_event math 
last kicked event index must be updated unconditionally:
even if we don't need to kick, we do not want to re-check
the same entry for events.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2018-01-31 01:47:35 +02:00
..
main.c ringtest: support test specific parameters 2017-05-09 16:43:23 +03:00
main.h locking/x86: Use LOCK ADD for smp_mb() instead of MFENCE 2017-11-10 13:43:44 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
noring.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ptr_ring.c ptr_ring: fix up after recent ptr_ring changes 2017-12-08 17:48:38 +02:00
README tools/virtio/ringtest: add usage example to README 2016-06-06 13:00:11 +03:00
ring.c virtio/ringtest: fix up need_event math 2018-01-31 01:47:35 +02:00
run-on-all.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
virtio_ring_0_9.c ringtest: commonize implementation of poll_avail/poll_used 2016-10-31 00:21:43 +02:00
virtio_ring_inorder.c virtio: add inorder option 2016-05-22 19:44:12 +03:00
virtio_ring_poll.c

README 

Partial implementation of various ring layouts, useful to tune virtio design.
Uses shared memory heavily.

Typical use:

# sh run-on-all.sh perf stat -r 10 --log-fd 1 -- ./ring