From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C929CC5B57D for ; Tue, 2 Jul 2019 21:06:29 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 95DE5218B6 for ; Tue, 2 Jul 2019 21:06:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QzlX9xhz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95DE5218B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57596 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiPyu-0001Sx-SK for qemu-devel@archiver.kernel.org; Tue, 02 Jul 2019 17:06:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44410) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiPuL-0007Vv-42 for qemu-devel@nongnu.org; Tue, 02 Jul 2019 17:01:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hiPuE-0002yx-6u for qemu-devel@nongnu.org; Tue, 02 Jul 2019 17:01:43 -0400 Received: from mail-qt1-x841.google.com ([2607:f8b0:4864:20::841]:42247) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hiPuD-0002c6-Qc for qemu-devel@nongnu.org; Tue, 02 Jul 2019 17:01:37 -0400 Received: by mail-qt1-x841.google.com with SMTP id s15so103810qtk.9 for ; Tue, 02 Jul 2019 14:00:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=FEvqCyf5pK9960bv69fbjMgMg1qD/d8JabEvvgoAOQE=; b=QzlX9xhzigiS/8ILb+sdOzsdHc7oHCR9fOaZE465fmtvQfBwVYz62fuhpCl4eS5Cvc Gtyj1/kSBu7SJ7uRUd5UOzVvJKpJvVcnTyeLmRxD/iAXEEul/T0pFvA2k7FEInYKpVlA uQNDb60TUoJsClF9KIx1Gf35KAD5+IXune6g5DpZjx9fvlhbBfBHEIasfbP/REpwlpA/ ZmykZOGq8DFuPSkm+EAUHwKgWZKl8ZlXuBW5vW96Peqk6dI32UQxDFaCWEaBZ162quWu laCTxQIrwe/4TNvWJM1hONWHd1dEel3QsXuLqXN7W4DRzMYRaqlNDds4PefCyKyGTae5 OGPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FEvqCyf5pK9960bv69fbjMgMg1qD/d8JabEvvgoAOQE=; b=Oq4jMqazw5qL05PdUMmAR9TYutMIK41KnJafxppth2PFnFjExQ0AmNcV7d2Z2n8zUq qdQXkrrdDgE3Y61bXVmPx/osJ8zdWE5qCxwjWPY+Btp7wqssm8SJf8EtUWLrwXOZQs1z Zhl6i5Zhi4eiiwgwObcGIXZnoZAaTYizEpresFgjPEb+nouax+sTeTT2e+Pi6V5yOJXD hvd9Qdm4na4Ak9k1CjWdc3nMH/ITUEObqHCzWjk6yk7koMeD/L63CxhpYe67vyy+y7c5 wUcmU2NvEnzlW6FZ/kg/BkV2JloInYQNrPE6OqgLXyCHoVCXp24ocqY0CgtZRo6BJhf1 a6EA== X-Gm-Message-State: APjAAAV0I1OYIiwxrMvFeWAw6LiBgmIt/K1LrC8/sANMS/2SSUfWQTSj lTpEeMMXtSw4EEE3UnSbWofJAnn8u44= X-Google-Smtp-Source: APXvYqy3wOlki9y6bqjQUaqznjUOOwfJokY5502+RetKkQFw5WheYD2btKNEw44nVCgWAL+b3rMgAQ== X-Received: by 2002:a0c:983b:: with SMTP id c56mr28986092qvd.131.1562101258364; Tue, 02 Jul 2019 14:00:58 -0700 (PDT) Received: from vanderson-lmcad.HotSpot300 ([189.61.239.22]) by smtp.googlemail.com with ESMTPSA id s127sm6770979qkd.107.2019.07.02.14.00.56 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 02 Jul 2019 14:00:58 -0700 (PDT) From: vandersonmr To: qemu-devel@nongnu.org Date: Tue, 2 Jul 2019 18:00:17 -0300 Message-Id: <20190702210017.4275-6-vandersonmr2@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190702210017.4275-1-vandersonmr2@gmail.com> References: <20190702210017.4275-1-vandersonmr2@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::841 Subject: [Qemu-devel] [PATCH v3 6/6] monitor: adding start_stats to monitor 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: vandersonmr , "Dr. David Alan Gilbert" , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" adding the option to start collecting the tb statistics later using the start_stats command. Signed-off-by: vandersonmr --- hmp-commands.hx | 15 +++++++++++++++ monitor/misc.c | 15 +++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/hmp-commands.hx b/hmp-commands.hx index bfa5681dd2..616b9f7388 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1885,6 +1885,21 @@ STEXI @findex qemu-io Executes a qemu-io command on the given block device. +ETEXI + + { + .name = "start_stats", + .args_type = "", + .params = "", + .help = "(re)start recording tb statistics", + .cmd = hmp_tbstats_start, + }, + +STEXI +@item start_stats +@findex +(Re)start recording tb statistics + ETEXI { diff --git a/monitor/misc.c b/monitor/misc.c index 1fb4d75871..d39a048fd7 100644 --- a/monitor/misc.c +++ b/monitor/misc.c @@ -469,6 +469,21 @@ static void hmp_info_jit(Monitor *mon, const QDict *qdict) dump_drift_info(); } +static void hmp_tbstats_start(Monitor *mon, const QDict *qdict) +{ + if (!tcg_enabled()) { + error_report("TB information is only available with accel=tcg"); + return; + } + if (qemu_loglevel_mask(CPU_LOG_HOT_TBS)) { + error_report("TB information already being recorded"); + return; + } + qht_init(&tb_ctx.tb_stats, tb_stats_cmp, CODE_GEN_HTABLE_SIZE, + QHT_MODE_AUTO_RESIZE); + qemu_set_log(qemu_loglevel | CPU_LOG_HOT_TBS); +} + static void hmp_info_tbs(Monitor *mon, const QDict *qdict) { int n; -- 2.22.0