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GET /api/1.1/patches/2228119/?format=api
{ "id": 2228119, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228119/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260425125113.37341-2-AlanoSong@163.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260425125113.37341-2-AlanoSong@163.com>", "date": "2026-04-25T12:51:13", "name": "[v2,1/1] monitor: Add `clear` command", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "63a1df5dd5898ab5ce8f36d1acdc3cf17cc2340c", "submitter": { "id": 92155, "url": "http://patchwork.ozlabs.org/api/1.1/people/92155/?format=api", "name": "Alano Song", "email": "AlanoSong@163.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260425125113.37341-2-AlanoSong@163.com/mbox/", "series": [ { "id": 501436, "url": "http://patchwork.ozlabs.org/api/1.1/series/501436/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501436", "date": "2026-04-25T12:51:12", "name": "monitor: Add `clear` command", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/501436/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228119/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228119/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=163.com header.i=@163.com header.a=rsa-sha256\n header.s=s110527 header.b=C8dPDT1y;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g2qVK22lQz1yHv\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 25 Apr 2026 22:52:23 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wGcU1-0006ag-4B; Sat, 25 Apr 2026 08:51:41 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <alanosong@163.com>) id 1wGcTx-0006aI-2O\n for qemu-devel@nongnu.org; Sat, 25 Apr 2026 08:51:38 -0400", "from m16.mail.163.com ([220.197.31.3])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <alanosong@163.com>) id 1wGcTs-0001Ad-3N\n for qemu-devel@nongnu.org; Sat, 25 Apr 2026 08:51:36 -0400", "from alano.. (unknown [])\n by gzga-smtp-mtada-g1-3 (Coremail) with SMTP id\n _____wDXP0XEuOxp+Fm4Bg--.64504S3;\n Sat, 25 Apr 2026 20:51:21 +0800 (CST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com;\n s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=qA\n 35ELgLfV3WQ47A+J7U+2Qbpuj2MRAZs59pEpnwF6A=; b=C8dPDT1y5wCh54Zf12\n J7Sqis90W25vS6HPCDUMesDLZfz4ikAlK0/w43zORrcNf7en5ZDLkNnOVIeWKNv8\n S2AqibydVLp/X3+8LJhZNBQOcrEBSs2FSZDLLkvJZ2gIPiwHt4XOsSm99jsmAgGi\n eP06Pc31Mx3qb+8g46v2lF/n0=", "From": "AlanoSong@163.com", "To": "qemu-devel@nongnu.org", "Cc": "dave@treblig.org,\n\tpbonzini@redhat.com,\n\tAlano Song <AlanoSong@163.com>", "Subject": "[PATCH v2 1/1] monitor: Add `clear` command", "Date": "Sat, 25 Apr 2026 20:51:13 +0800", "Message-ID": "<20260425125113.37341-2-AlanoSong@163.com>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260425125113.37341-1-AlanoSong@163.com>", "References": "<20260425125113.37341-1-AlanoSong@163.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-CM-TRANSID": "_____wDXP0XEuOxp+Fm4Bg--.64504S3", "X-Coremail-Antispam": "1Uf129KBjvJXoW7CFy8KFyfKrWUuw4rWr4xtFb_yoW8tF43pr\n Z5trWrK3y8J3Wxur1xAr9xWF15KrZ7uFZFkF9xAF98AF98Jw1Iva1kKr1qk3ZxXrWxKFyS\n vFy2qrWDGasFqr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0pRxbbNUUUUU=", "X-Originating-IP": "[240e:36f:15cf:8780:308a:f2b4:e0e:95c7]", "X-CM-SenderInfo": "xdod00pvrqwqqrwthudrp/xtbC9gn1CmnsuMmmhwAA3V", "Received-SPF": "pass client-ip=220.197.31.3; envelope-from=alanosong@163.com;\n helo=m16.mail.163.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001,\n UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "The monitor screen can be cluttered after executing commands\nlike `info qtree`. It is useful to have a command to clear\ncurrent screen, just like linux `clear` command do.\n\nThis patch has been tested under monitors using stdio, vc,\ntcp socket, unix socket and serial interfaces.\n\nSigned-off-by: Alano Song <AlanoSong@163.com>\n---\n hmp-commands.hx | 14 ++++++++++++++\n include/monitor/hmp.h | 1 +\n monitor/hmp-cmds.c | 11 +++++++++++\n 3 files changed, 26 insertions(+)", "diff": "diff --git a/hmp-commands.hx b/hmp-commands.hx\nindex 5cc4788f12..95f9166732 100644\n--- a/hmp-commands.hx\n+++ b/hmp-commands.hx\n@@ -20,6 +20,20 @@ SRST\n Show the help for all commands or just for command *cmd*.\n ERST\n \n+ {\n+ .name = \"clear\",\n+ .args_type = \"\",\n+ .params = \"\",\n+ .help = \"clear the monitor screen\",\n+ .cmd = hmp_clear,\n+ .flags = \"p\",\n+ },\n+\n+SRST\n+``clear``\n+ Clear the monitor screen.\n+ERST\n+\n {\n .name = \"commit\",\n .args_type = \"device:B\",\ndiff --git a/include/monitor/hmp.h b/include/monitor/hmp.h\nindex e222bea60c..9b66458d21 100644\n--- a/include/monitor/hmp.h\n+++ b/include/monitor/hmp.h\n@@ -165,6 +165,7 @@ void hmp_trace_event(Monitor *mon, const QDict *qdict);\n void hmp_trace_file(Monitor *mon, const QDict *qdict);\n void hmp_info_trace_events(Monitor *mon, const QDict *qdict);\n void hmp_help(Monitor *mon, const QDict *qdict);\n+void hmp_clear(Monitor *mon, const QDict *qdict);\n void hmp_info_help(Monitor *mon, const QDict *qdict);\n void hmp_info_sync_profile(Monitor *mon, const QDict *qdict);\n void hmp_info_history(Monitor *mon, const QDict *qdict);\ndiff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c\nindex bc26b39d70..608a208c6e 100644\n--- a/monitor/hmp-cmds.c\n+++ b/monitor/hmp-cmds.c\n@@ -218,6 +218,17 @@ void hmp_help(Monitor *mon, const QDict *qdict)\n hmp_help_cmd(mon, qdict_get_try_str(qdict, \"name\"));\n }\n \n+void hmp_clear(Monitor *mon, const QDict *qdict)\n+{\n+ /*\n+ * Send an ANSI escape sequence:\n+ * \"\\x1b[H\" - move cursor to top-left\n+ * \"\\x1b[2J\" - clear visible screen\n+ * \"\\x1b[3J\" - clear scrollback\n+ */\n+ monitor_printf(mon, \"\\x1b[H\\x1b[2J\\x1b[3J\");\n+}\n+\n void hmp_info_help(Monitor *mon, const QDict *qdict)\n {\n hmp_help_cmd(mon, \"info\");\n", "prefixes": [ "v2", "1/1" ] }