From nobody Mon Feb 9 22:41:14 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1623029104; cv=none; d=zohomail.com; s=zohoarc; b=XEQiucHK3QfSUS47yIYG6C/Qn9sskustP3j4kPPSAC1jz3M0ErvG8qDUT8e185ZlmrVAHY4oM7nx5h5C5X4Dqs7Q6U8x0495unIU2mrBcWWGG3ZiyVeJihcDb+Ozn67IpyQiQGBENaCDekqjGCq0SUzTf1yUL9FYOBUOqt2Qm4U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623029104; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Z9oanLs1QgKfXqSHkNcUa8nzjBrnciyzxHmgt4WqQ5I=; b=JHubPsplqW5eTZaRr7PV2VE5H5bdu+PhVZjyPrDGqC6/JtmK/uCRRxSe5fCCSUD5jC+SwegX3qPJj2YMvrEPvj4xQ/rp4NUhh+kyXt0OQajaUZE9vM2Js1UETeU/S1uow+jp7csXU8ptO6S5Pl0y4IL20GyxEeDFQAiBA79PVjo= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1623029104897575.3658264468064; Sun, 6 Jun 2021 18:25:04 -0700 (PDT) Received: from localhost ([::1]:46920 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lq40l-0003Zy-QF for importer@patchew.org; Sun, 06 Jun 2021 21:25:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48220) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lq3yo-0008OU-Vm for qemu-devel@nongnu.org; Sun, 06 Jun 2021 21:23:02 -0400 Received: from prt-mail.chinatelecom.cn ([42.123.76.219]:40672 helo=chinatelecom.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lq3yk-0002Ey-I3 for qemu-devel@nongnu.org; Sun, 06 Jun 2021 21:23:02 -0400 Received: from clientip-182.138.181.182?logid-c3aef7583b2e4ecea3360270af8e2d74 (unknown [172.18.0.48]) by chinatelecom.cn (HERMES) with SMTP id 76DF4280097; Mon, 7 Jun 2021 09:12:04 +0800 (CST) Received: from ([172.18.0.48]) by app0024 with ESMTP id c3aef7583b2e4ecea3360270af8e2d74 for qemu-devel@nongnu.org; Mon Jun 7 09:12:03 2021 HMM_SOURCE_IP: 172.18.0.48:56360.2112367000 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP X-189-SAVE-TO-SEND: +huangy81@chinatelecom.cn X-Transaction-ID: c3aef7583b2e4ecea3360270af8e2d74 X-filter-score: filter<0> X-Real-From: huangy81@chinatelecom.cn X-Receive-IP: 172.18.0.48 X-MEDUSA-Status: 0 From: huangy81@chinatelecom.cn To: qemu-devel@nongnu.org Subject: [PATCH v3 2/7] hmp: Add "calc_dirty_rate" and "info dirty_rate" cmds Date: Mon, 7 Jun 2021 09:11:57 +0800 Message-Id: <4cc0039fc3ad6145136770cf3b0f056c09a2910b.1623027729.git.huangy81@chinatelecom.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=42.123.76.219; envelope-from=huangy81@chinatelecom.cn; helo=chinatelecom.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , Juan Quintela , Hyman , "Dr. David Alan Gilbert" , Peter Xu , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" From: Peter Xu These two commands are missing when adding the QMP sister commands. Add them, so developers can play with them easier. Signed-off-by: Peter Xu Signed-off-by: Hyman Huang(=E9=BB=84=E5=8B=87) --- hmp-commands-info.hx | 13 ++++++++++++ hmp-commands.hx | 14 +++++++++++++ include/monitor/hmp.h | 2 ++ migration/dirtyrate.c | 47 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 76 insertions(+) diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index b2347a6aea..fb59c27200 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -867,3 +867,16 @@ SRST ``info replay`` Display the record/replay information: mode and the current icount. ERST + + { + .name =3D "dirty_rate", + .args_type =3D "", + .params =3D "", + .help =3D "show dirty rate information", + .cmd =3D hmp_info_dirty_rate, + }, + +SRST + ``info dirty_rate`` + Display the vcpu dirty rate information. +ERST diff --git a/hmp-commands.hx b/hmp-commands.hx index 2d21fe5ad4..84dcc3aae6 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1727,3 +1727,17 @@ ERST .flags =3D "p", }, =20 +SRST +``calc_dirty_rate`` *second* + Start a round of dirty rate measurement with the period specified in *se= cond*. + The result of the dirty rate measurement may be observed with ``info + dirty_rate`` command. +ERST + + { + .name =3D "calc_dirty_rate", + .args_type =3D "second:l,sample_pages_per_GB:l?", + .params =3D "second [sample_pages_per_GB]", + .help =3D "start a round of guest dirty rate measurement", + .cmd =3D hmp_calc_dirty_rate, + }, diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 605d57287a..3baa1058e2 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -129,5 +129,7 @@ void hmp_info_replay(Monitor *mon, const QDict *qdict); void hmp_replay_break(Monitor *mon, const QDict *qdict); void hmp_replay_delete_break(Monitor *mon, const QDict *qdict); void hmp_replay_seek(Monitor *mon, const QDict *qdict); +void hmp_info_dirty_rate(Monitor *mon, const QDict *qdict); +void hmp_calc_dirty_rate(Monitor *mon, const QDict *qdict); =20 #endif diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index 2ee3890721..320c56ba2c 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -20,6 +20,9 @@ #include "ram.h" #include "trace.h" #include "dirtyrate.h" +#include "monitor/hmp.h" +#include "monitor/monitor.h" +#include "qapi/qmp/qdict.h" =20 static int CalculatingState =3D DIRTY_RATE_STATUS_UNSTARTED; static struct DirtyRateStat DirtyStat; @@ -447,3 +450,47 @@ struct DirtyRateInfo *qmp_query_dirty_rate(Error **err= p) { return query_dirty_rate_info(); } + +void hmp_info_dirty_rate(Monitor *mon, const QDict *qdict) +{ + DirtyRateInfo *info =3D query_dirty_rate_info(); + + monitor_printf(mon, "Status: %s\n", + DirtyRateStatus_str(info->status)); + monitor_printf(mon, "Start Time: %"PRIi64" (ms)\n", + info->start_time); + monitor_printf(mon, "Sample Pages: %"PRIu64" (per GB)\n", + info->sample_pages); + monitor_printf(mon, "Period: %"PRIi64" (sec)\n", + info->calc_time); + monitor_printf(mon, "Dirty rate: "); + if (info->has_dirty_rate) { + monitor_printf(mon, "%"PRIi64" (MB/s)\n", info->dirty_rate); + } else { + monitor_printf(mon, "(not ready)\n"); + } + g_free(info); +} + +void hmp_calc_dirty_rate(Monitor *mon, const QDict *qdict) +{ + int64_t sec =3D qdict_get_try_int(qdict, "second", 0); + int64_t sample_pages =3D qdict_get_try_int(qdict, "sample_pages_per_GB= ", -1); + bool has_sample_pages =3D (sample_pages !=3D -1); + Error *err =3D NULL; + + if (!sec) { + monitor_printf(mon, "Incorrect period length specified!\n"); + return; + } + + qmp_calc_dirty_rate(sec, has_sample_pages, sample_pages, &err); + if (err) { + hmp_handle_error(mon, err); + return; + } + + monitor_printf(mon, "Starting dirty rate measurement with period %"PRI= i64 + " seconds\n", sec); + monitor_printf(mon, "[Please use 'info dirty_rate' to check results]\n= "); +} --=20 2.18.2