Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* HMP commands related to migration dirty page rate limit
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*
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* Copyright (c) 2022 CHINA TELECOM CO.,LTD.
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* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "qapi/qapi-commands-migration.h"
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#include "qobject/qdict.h"
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#include "monitor/hmp.h"
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#include "monitor/monitor.h"
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#include "system/dirtylimit.h"
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void hmp_cancel_vcpu_dirty_limit(Monitor *mon, const QDict *qdict)
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{
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int64_t cpu_index = qdict_get_try_int(qdict, "cpu_index", -1);
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Error *err = NULL;
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qmp_cancel_vcpu_dirty_limit(!!(cpu_index != -1), cpu_index, &err);
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if (err) {
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hmp_handle_error(mon, err);
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return;
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}
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monitor_printf(mon, "[Please use 'info vcpu_dirty_limit' to query "
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"dirty limit for virtual CPU]\n");
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}
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void hmp_set_vcpu_dirty_limit(Monitor *mon, const QDict *qdict)
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{
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int64_t dirty_rate = qdict_get_int(qdict, "dirty_rate");
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int64_t cpu_index = qdict_get_try_int(qdict, "cpu_index", -1);
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Error *err = NULL;
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if (dirty_rate < 0) {
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error_setg(&err, "invalid dirty page limit %" PRId64, dirty_rate);
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goto out;
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}
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qmp_set_vcpu_dirty_limit(!!(cpu_index != -1), cpu_index, dirty_rate, &err);
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out:
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hmp_handle_error(mon, err);
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}
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void hmp_info_vcpu_dirty_limit(Monitor *mon, const QDict *qdict)
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{
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DirtyLimitInfoList *info;
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g_autoptr(DirtyLimitInfoList) head = NULL;
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Error *err = NULL;
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if (!dirtylimit_in_service()) {
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monitor_printf(mon, "Dirty page limit not enabled!\n");
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return;
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}
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head = qmp_query_vcpu_dirty_limit(&err);
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if (err) {
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hmp_handle_error(mon, err);
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return;
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}
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for (info = head; info != NULL; info = info->next) {
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monitor_printf(mon, "vcpu[%"PRIi64"], limit rate %"PRIi64 " (MB/s),"
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" current rate %"PRIi64 " (MB/s)\n",
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info->value->cpu_index,
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info->value->limit_rate,
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info->value->current_rate);
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}
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}
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