qemu-e2k/include/sysemu
Stefano Garzarella 1793ad0247 iothread: add aio-max-batch parameter
The `aio-max-batch` parameter will be propagated to AIO engines
and it will be used to control the maximum number of queued requests.

When there are in queue a number of requests equal to `aio-max-batch`,
the engine invokes the system call to forward the requests to the kernel.

This parameter allows us to control the maximum batch size to reduce
the latency that requests might accumulate while queued in the AIO
engine queue.

If `aio-max-batch` is equal to 0 (default value), the AIO engine will
use its default maximum batch size value.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20210721094211.69853-3-sgarzare@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-07-21 13:47:50 +01:00
..
accel-ops.h
arch_init.h Drop the deprecated unicore32 target 2021-05-12 18:20:52 +02:00
balloon.h
block-backend.h block: add max_hw_transfer to BlockLimits 2021-06-25 10:54:13 +02:00
blockdev.h blockdev: Drop deprecated bogus -drive interface type 2021-03-19 15:18:43 +01:00
cpu-throttle.h
cpu-timers.h
cpus.h
cryptodev-vhost-user.h
cryptodev-vhost.h
cryptodev.h
device_tree.h device_tree: add qemu_fdt_setprop_string_array helper 2021-03-10 15:34:11 +00:00
dma.h dma: Introduce dma_aligned_pow2_mask() 2021-03-12 12:40:10 +00:00
dump-arch.h
dump.h
hax.h include/sysemu: Poison all accelerator CONFIG switches in common code 2021-05-14 12:31:44 +02:00
hostmem.h hostmem: Wire up RAM_NORESERVE via "reserve" property 2021-06-15 20:27:38 +02:00
hvf_int.h hvf: Introduce hvf vcpu struct 2021-06-03 16:43:27 +01:00
hvf.h include/sysemu: Poison all accelerator CONFIG switches in common code 2021-05-14 12:31:44 +02:00
hw_accel.h Add NVMM accelerator: acceleration enlightenments 2021-05-04 14:15:34 +02:00
iothread.h iothread: add aio-max-batch parameter 2021-07-21 13:47:50 +01:00
kvm_int.h KVM: Cache kvm slot dirty bitmap size 2021-05-26 14:49:45 +02:00
kvm.h exec: Get rid of phys_mem_set_alloc() 2021-03-15 11:01:23 +01:00
memory_mapping.h
numa.h
nvmm.h Add NVMM accelerator: acceleration enlightenments 2021-05-04 14:15:34 +02:00
os-posix.h osdep: Make os-win32.h and os-posix.h handle 'extern "C"' themselves 2021-05-10 17:21:54 +01:00
os-win32.h osdep: Make os-win32.h and os-posix.h handle 'extern "C"' themselves 2021-05-10 17:21:54 +01:00
qtest.h
replay.h
reset.h
rng-random.h
rng.h
runstate-action.h
runstate.h
seccomp.h
sev.h
sysemu.h
tcg.h accel/tcg: Merge tcg_exec_init into tcg_init_machine 2021-06-11 09:26:28 -07:00
tpm_backend.h sysemu: Make TPM structures inaccessible if CONFIG_TPM is not defined 2021-06-15 10:55:12 -04:00
tpm_util.h
tpm.h sysemu: Make TPM structures inaccessible if CONFIG_TPM is not defined 2021-06-15 10:55:12 -04:00
vhost-user-backend.h
watchdog.h
whpx.h include/sysemu: Poison all accelerator CONFIG switches in common code 2021-05-14 12:31:44 +02:00
xen-mapcache.h
xen.h