throttle: factor out duplicate code
This patch removes the redundant throttle code that was present in block and fsdev device files. Now the common code is moved to a single file. Signed-off-by: Pradeep Jagadeesh <pradeep.jagadeesh@huawei.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> (fix indent nit, Greg Kurz) Signed-off-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
Pradeep Jagadeesh
Greg Kurz
parent
b8bbdb886e
commit
a2a7862ca9
83
blockdev.c
83
blockdev.c
@ -52,6 +52,7 @@
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#include "sysemu/arch_init.h"
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#include "qemu/cutils.h"
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#include "qemu/help_option.h"
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#include "qemu/throttle-options.h"
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static QTAILQ_HEAD(, BlockDriverState) monitor_bdrv_states =
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QTAILQ_HEAD_INITIALIZER(monitor_bdrv_states);
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@ -4007,83 +4008,11 @@ QemuOptsList qemu_common_drive_opts = {
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.name = BDRV_OPT_READ_ONLY,
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.type = QEMU_OPT_BOOL,
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.help = "open drive file as read-only",
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},{
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.name = "throttling.iops-total",
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.type = QEMU_OPT_NUMBER,
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.help = "limit total I/O operations per second",
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},{
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.name = "throttling.iops-read",
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.type = QEMU_OPT_NUMBER,
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.help = "limit read operations per second",
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},{
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.name = "throttling.iops-write",
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.type = QEMU_OPT_NUMBER,
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.help = "limit write operations per second",
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},{
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.name = "throttling.bps-total",
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.type = QEMU_OPT_NUMBER,
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.help = "limit total bytes per second",
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},{
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.name = "throttling.bps-read",
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.type = QEMU_OPT_NUMBER,
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.help = "limit read bytes per second",
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},{
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.name = "throttling.bps-write",
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.type = QEMU_OPT_NUMBER,
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.help = "limit write bytes per second",
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},{
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.name = "throttling.iops-total-max",
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.type = QEMU_OPT_NUMBER,
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.help = "I/O operations burst",
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},{
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.name = "throttling.iops-read-max",
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.type = QEMU_OPT_NUMBER,
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.help = "I/O operations read burst",
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},{
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.name = "throttling.iops-write-max",
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.type = QEMU_OPT_NUMBER,
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.help = "I/O operations write burst",
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},{
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.name = "throttling.bps-total-max",
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.type = QEMU_OPT_NUMBER,
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.help = "total bytes burst",
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},{
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.name = "throttling.bps-read-max",
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.type = QEMU_OPT_NUMBER,
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.help = "total bytes read burst",
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},{
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.name = "throttling.bps-write-max",
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.type = QEMU_OPT_NUMBER,
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.help = "total bytes write burst",
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},{
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.name = "throttling.iops-total-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the iops-total-max burst period, in seconds",
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},{
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.name = "throttling.iops-read-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the iops-read-max burst period, in seconds",
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},{
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.name = "throttling.iops-write-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the iops-write-max burst period, in seconds",
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},{
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.name = "throttling.bps-total-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the bps-total-max burst period, in seconds",
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},{
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.name = "throttling.bps-read-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the bps-read-max burst period, in seconds",
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},{
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.name = "throttling.bps-write-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the bps-write-max burst period, in seconds",
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},{
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.name = "throttling.iops-size",
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.type = QEMU_OPT_NUMBER,
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.help = "when limiting by iops max size of an I/O in bytes",
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},{
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},
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THROTTLE_OPTS,
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{
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.name = "throttling.group",
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.type = QEMU_OPT_STRING,
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.help = "name of the block throttling group",
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@ -9,6 +9,7 @@
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#include "qemu/config-file.h"
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#include "qemu/option.h"
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#include "qemu/module.h"
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#include "qemu/throttle-options.h"
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static QemuOptsList qemu_fsdev_opts = {
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.name = "fsdev",
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@ -37,83 +38,10 @@ static QemuOptsList qemu_fsdev_opts = {
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}, {
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.name = "sock_fd",
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.type = QEMU_OPT_NUMBER,
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}, {
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.name = "throttling.iops-total",
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.type = QEMU_OPT_NUMBER,
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.help = "limit total I/O operations per second",
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}, {
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.name = "throttling.iops-read",
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.type = QEMU_OPT_NUMBER,
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.help = "limit read operations per second",
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}, {
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.name = "throttling.iops-write",
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.type = QEMU_OPT_NUMBER,
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.help = "limit write operations per second",
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}, {
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.name = "throttling.bps-total",
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.type = QEMU_OPT_NUMBER,
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.help = "limit total bytes per second",
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}, {
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.name = "throttling.bps-read",
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.type = QEMU_OPT_NUMBER,
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.help = "limit read bytes per second",
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}, {
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.name = "throttling.bps-write",
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.type = QEMU_OPT_NUMBER,
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.help = "limit write bytes per second",
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}, {
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.name = "throttling.iops-total-max",
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.type = QEMU_OPT_NUMBER,
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.help = "I/O operations burst",
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}, {
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.name = "throttling.iops-read-max",
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.type = QEMU_OPT_NUMBER,
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.help = "I/O operations read burst",
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}, {
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.name = "throttling.iops-write-max",
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.type = QEMU_OPT_NUMBER,
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.help = "I/O operations write burst",
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}, {
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.name = "throttling.bps-total-max",
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.type = QEMU_OPT_NUMBER,
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.help = "total bytes burst",
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}, {
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.name = "throttling.bps-read-max",
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.type = QEMU_OPT_NUMBER,
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.help = "total bytes read burst",
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}, {
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.name = "throttling.bps-write-max",
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.type = QEMU_OPT_NUMBER,
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.help = "total bytes write burst",
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}, {
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.name = "throttling.iops-total-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the iops-total-max burst period, in seconds",
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}, {
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.name = "throttling.iops-read-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the iops-read-max burst period, in seconds",
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}, {
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.name = "throttling.iops-write-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the iops-write-max burst period, in seconds",
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}, {
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.name = "throttling.bps-total-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the bps-total-max burst period, in seconds",
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}, {
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.name = "throttling.bps-read-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the bps-read-max burst period, in seconds",
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}, {
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.name = "throttling.bps-write-max-length",
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.type = QEMU_OPT_NUMBER,
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.help = "length of the bps-write-max burst period, in seconds",
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}, {
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.name = "throttling.iops-size",
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.type = QEMU_OPT_NUMBER,
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.help = "when limiting by iops max size of an I/O in bytes",
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},
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THROTTLE_OPTS,
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{ /*End of list */ }
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},
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};
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92
include/qemu/throttle-options.h
Normal file
92
include/qemu/throttle-options.h
Normal file
@ -0,0 +1,92 @@
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/*
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* QEMU throttling command line options
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* (at your option) any later version.
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*
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* See the COPYING file in the top-level directory for details.
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*
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*/
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#ifndef THROTTLE_OPTIONS_H
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#define THROTTLE_OPTIONS_H
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#define THROTTLE_OPTS \
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{ \
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.name = "throttling.iops-total",\
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.type = QEMU_OPT_NUMBER,\
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.help = "limit total I/O operations per second",\
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},{ \
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.name = "throttling.iops-read",\
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.type = QEMU_OPT_NUMBER,\
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.help = "limit read operations per second",\
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},{ \
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.name = "throttling.iops-write",\
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.type = QEMU_OPT_NUMBER,\
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.help = "limit write operations per second",\
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},{ \
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.name = "throttling.bps-total",\
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.type = QEMU_OPT_NUMBER,\
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.help = "limit total bytes per second",\
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},{ \
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.name = "throttling.bps-read",\
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.type = QEMU_OPT_NUMBER,\
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.help = "limit read bytes per second",\
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},{ \
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.name = "throttling.bps-write",\
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.type = QEMU_OPT_NUMBER,\
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.help = "limit write bytes per second",\
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},{ \
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.name = "throttling.iops-total-max",\
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.type = QEMU_OPT_NUMBER,\
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.help = "I/O operations burst",\
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},{ \
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.name = "throttling.iops-read-max",\
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.type = QEMU_OPT_NUMBER,\
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.help = "I/O operations read burst",\
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},{ \
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.name = "throttling.iops-write-max",\
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.type = QEMU_OPT_NUMBER,\
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.help = "I/O operations write burst",\
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},{ \
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.name = "throttling.bps-total-max",\
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.type = QEMU_OPT_NUMBER,\
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.help = "total bytes burst",\
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},{ \
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.name = "throttling.bps-read-max",\
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.type = QEMU_OPT_NUMBER,\
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.help = "total bytes read burst",\
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},{ \
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.name = "throttling.bps-write-max",\
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.type = QEMU_OPT_NUMBER,\
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.help = "total bytes write burst",\
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},{ \
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.name = "throttling.iops-total-max-length",\
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.type = QEMU_OPT_NUMBER,\
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.help = "length of the iops-total-max burst period, in seconds",\
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},{ \
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.name = "throttling.iops-read-max-length",\
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.type = QEMU_OPT_NUMBER,\
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.help = "length of the iops-read-max burst period, in seconds",\
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},{ \
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.name = "throttling.iops-write-max-length",\
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.type = QEMU_OPT_NUMBER,\
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.help = "length of the iops-write-max burst period, in seconds",\
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},{ \
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.name = "throttling.bps-total-max-length",\
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.type = QEMU_OPT_NUMBER,\
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.help = "length of the bps-total-max burst period, in seconds",\
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},{ \
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.name = "throttling.bps-read-max-length",\
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.type = QEMU_OPT_NUMBER,\
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.help = "length of the bps-read-max burst period, in seconds",\
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},{ \
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.name = "throttling.bps-write-max-length",\
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.type = QEMU_OPT_NUMBER,\
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.help = "length of the bps-write-max burst period, in seconds",\
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},{ \
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.name = "throttling.iops-size",\
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.type = QEMU_OPT_NUMBER,\
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.help = "when limiting by iops max size of an I/O in bytes",\
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}
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#endif
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