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[PATCH v5 11/24] virtio-net: Use virtual time for RSC timers
From: |
Nicholas Piggin |
Subject: |
[PATCH v5 11/24] virtio-net: Use virtual time for RSC timers |
Date: |
Tue, 19 Mar 2024 01:46:08 +1000 |
Receive coalescing is visible to the target machine, so its timers
should use virtual time like other timers in virtio-net, to be
compatible with record-replay.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
hw/net/virtio-net.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 6ac737f2cf..894df25222 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -2176,7 +2176,7 @@ static void virtio_net_rsc_purge(void *opq)
chain->stat.timer++;
if (!QTAILQ_EMPTY(&chain->buffers)) {
timer_mod(chain->drain_timer,
- qemu_clock_get_ns(QEMU_CLOCK_HOST) + chain->n->rsc_timeout);
+ qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + chain->n->rsc_timeout);
}
}
@@ -2412,7 +2412,7 @@ static size_t
virtio_net_rsc_do_coalesce(VirtioNetRscChain *chain,
chain->stat.empty_cache++;
virtio_net_rsc_cache_buf(chain, nc, buf, size);
timer_mod(chain->drain_timer,
- qemu_clock_get_ns(QEMU_CLOCK_HOST) + chain->n->rsc_timeout);
+ qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + chain->n->rsc_timeout);
return size;
}
@@ -2650,7 +2650,7 @@ static VirtioNetRscChain
*virtio_net_rsc_lookup_chain(VirtIONet *n,
chain->max_payload = VIRTIO_NET_MAX_IP6_PAYLOAD;
chain->gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
}
- chain->drain_timer = timer_new_ns(QEMU_CLOCK_HOST,
+ chain->drain_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
virtio_net_rsc_purge, chain);
memset(&chain->stat, 0, sizeof(chain->stat));
--
2.42.0
- [PATCH v5 06/24] tests/avocado: replay_kernel.py add x86-64 q35 machine test, (continued)
- [PATCH v5 06/24] tests/avocado: replay_kernel.py add x86-64 q35 machine test, Nicholas Piggin, 2024/03/18
- [PATCH v5 07/24] chardev: set record/replay on the base device of a muxed device, Nicholas Piggin, 2024/03/18
- [PATCH v5 08/24] replay: Fix migration use of clock, Nicholas Piggin, 2024/03/18
- [PATCH v5 10/24] virtio-net: Use replay_schedule_bh_event for bhs that affect machine state, Nicholas Piggin, 2024/03/18
- [PATCH v5 09/24] replay: Fix migration replay_mutex locking, Nicholas Piggin, 2024/03/18
- [PATCH v5 11/24] virtio-net: Use virtual time for RSC timers,
Nicholas Piggin <=
- [PATCH v5 12/24] savevm: Fix load_snapshot error path crash, Nicholas Piggin, 2024/03/18
- [PATCH v5 13/24] tests/avocado: replay_linux.py remove the timeout expected guards, Nicholas Piggin, 2024/03/18
- [PATCH v5 15/24] tests/avocado: reverse_debugging.py add test for x86-64 q35 machine, Nicholas Piggin, 2024/03/18
- [PATCH v5 16/24] tests/avocado: reverse_debugging.py verify addresses between record and replay, Nicholas Piggin, 2024/03/18
- [PATCH v5 17/24] tests/avocado: reverse_debugging.py stop VM before sampling icount, Nicholas Piggin, 2024/03/18
- [PATCH v5 14/24] tests/avocado: reverse_debugging.py mark aarch64 and pseries as not flaky, Nicholas Piggin, 2024/03/18