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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 30146C433EF for ; Mon, 30 May 2022 15:15:36 +0000 (UTC) Received: from localhost ([::1]:55030 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nvh7G-0003oB-Vq for qemu-devel@archiver.kernel.org; Mon, 30 May 2022 11:15:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54100) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nvgzi-0003g1-DJ for qemu-devel@nongnu.org; Mon, 30 May 2022 11:07:47 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:58954) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nvgzg-000641-OQ for qemu-devel@nongnu.org; Mon, 30 May 2022 11:07:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1653923263; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GLhXjY6rKgLe+f59XTcBR4qtIYCyiwXQPvmwiUxl0zo=; b=bVVTZWi2Kx8Hk9QNrP+g8NEnllVm8PXVRL/MltSRtv0W52w87PWVRGXCxiRrBZA+9o2GwH YWpNleHh2saLWlO6BHMbsGunW+cmieUNfzcSskHR1ot7Cue4kTKuxdEASgeICzKouZ62Ij xaQbsCJj8AmkE8UhgYybwB/C15eMHds= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-645-GltYjDEePd2iqbDZKThbjw-1; Mon, 30 May 2022 11:07:39 -0400 X-MC-Unique: GltYjDEePd2iqbDZKThbjw-1 Received: by mail-wm1-f69.google.com with SMTP id k124-20020a1ca182000000b003973db7d1a0so70090wme.1 for ; Mon, 30 May 2022 08:07:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=GLhXjY6rKgLe+f59XTcBR4qtIYCyiwXQPvmwiUxl0zo=; b=d2aLoNBgJsOudffJLeyaXsg0KlOkGjSo9ElVWdpOWFw6kQzfQzzke4kDUVcE0Ks17T cyn4JvQzrQ4KY2twFZR5uqu4VSuo+F9nyExbUzb//7HEVI4+ZQaK0V5c5773Zv4DSZ7G y6T6sUcamASgDdlharzO7pad2fSH2nthEuQpulVbUx4eBbOX3W/Wj9X4EmsW2zTYuMU4 mmMgg/MCqY00wusJwx2A5yT3woG4Z8gkeYWeiH0kweXPZvwXexKxeA2fE+OYHXka22uX vVRhwSnPFjp3IyIamWBNrJUd003vwfYrM+qpStq4poPuHUstIhseo1iqfu59iOUBPjmE bGfw== X-Gm-Message-State: AOAM530sfb/hSCCgpULUwAfY4qKc1KemsNvpjnREGH4ylF6gWfMlRHf+ l4a88a9lsQwxDIW/xjMynMDwgqPZk3RthHYN/NbV3vMfCZWAeYXtbGnB/72nkCErbMmkcBD94oy LOnHY8XJPx9Q3+tFZ4HK270PuvXkBQ/uAhn7u0FFx2kqLNdL7qnVPAlVWPzg6YbCaiqY= X-Received: by 2002:a05:600c:502a:b0:397:44d1:d5b6 with SMTP id n42-20020a05600c502a00b0039744d1d5b6mr19478088wmr.57.1653923257770; Mon, 30 May 2022 08:07:37 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz581ND6eiMY6tUg2a7yaPZD61xnbooWnNVxbIjVCNOO/9tFeBE2Fz9w38H9RU44BSwYrfk9w== X-Received: by 2002:a05:600c:502a:b0:397:44d1:d5b6 with SMTP id n42-20020a05600c502a00b0039744d1d5b6mr19478050wmr.57.1653923257301; Mon, 30 May 2022 08:07:37 -0700 (PDT) Received: from goa-sendmail ([2001:b07:6468:f312:5e2c:eb9a:a8b6:fd3e]) by smtp.gmail.com with ESMTPSA id t22-20020a05600c41d600b003942a244ebesm10436682wmh.3.2022.05.30.08.07.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 May 2022 08:07:36 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: armbru@redhat.com, dgilbert@redhat.com Subject: [PATCH v5 10/10] hmp: add filtering of statistics by name Date: Mon, 30 May 2022 17:07:14 +0200 Message-Id: <20220530150714.756954-11-pbonzini@redhat.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220530150714.756954-1-pbonzini@redhat.com> References: <20220530150714.756954-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Allow the user to request only a specific subset of statistics. This can be useful when working on a feature or optimization that is known to affect that statistic. Extracted from a patch by Mark Kanda. Signed-off-by: Paolo Bonzini --- hmp-commands-info.hx | 8 ++++---- monitor/hmp-cmds.c | 35 ++++++++++++++++++++++++++--------- 2 files changed, 30 insertions(+), 13 deletions(-) diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index a67040443b..3ffa24bd67 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -897,10 +897,10 @@ ERST { .name = "stats", - .args_type = "target:s,provider:s?", - .params = "target [provider]", - .help = "show statistics for the given target (vm or vcpu); optionally filter by " - "provider", + .args_type = "target:s,names:s?,provider:s?", + .params = "target [names] [provider]", + .help = "show statistics for the given target (vm or vcpu); optionally filter by" + "name (comma-separated list, or * for all) and provider", .cmd = hmp_info_stats, }, diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index a71887e54c..8775f69ff1 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -2359,10 +2359,12 @@ static void print_stats_results(Monitor *mon, StatsTarget target, } /* Create the StatsFilter that is needed for an "info stats" invocation. */ -static StatsFilter *stats_filter(StatsTarget target, int cpu_index, - StatsProvider provider) +static StatsFilter *stats_filter(StatsTarget target, const char *names, + int cpu_index, StatsProvider provider) { StatsFilter *filter = g_malloc0(sizeof(*filter)); + StatsProvider provider_idx; + StatsRequestList *request_list = NULL; filter->target = target; switch (target) { @@ -2383,15 +2385,29 @@ static StatsFilter *stats_filter(StatsTarget target, int cpu_index, break; } - if (provider == STATS_PROVIDER__MAX) { + if (!names && provider == STATS_PROVIDER__MAX) { return filter; } - /* "info stats" can only query either one or all the providers. */ + /* + * "info stats" can only query either one or all the providers. Querying + * by name, but not by provider, requires the creation of one filter per + * provider. + */ + for (provider_idx = 0; provider_idx < STATS_PROVIDER__MAX; provider_idx++) { + if (provider == STATS_PROVIDER__MAX || provider == provider_idx) { + StatsRequest *request = g_new0(StatsRequest, 1); + request->provider = provider_idx; + if (names && !g_str_equal(names, "*")) { + request->has_names = true; + request->names = strList_from_comma_list(names); + } + QAPI_LIST_PREPEND(request_list, request); + } + } + filter->has_providers = true; - filter->providers = g_new0(StatsRequestList, 1); - filter->providers->value = g_new0(StatsRequest, 1); - filter->providers->value->provider = provider; + filter->providers = request_list; return filter; } @@ -2399,6 +2415,7 @@ void hmp_info_stats(Monitor *mon, const QDict *qdict) { const char *target_str = qdict_get_str(qdict, "target"); const char *provider_str = qdict_get_try_str(qdict, "provider"); + const char *names = qdict_get_try_str(qdict, "names"); StatsProvider provider = STATS_PROVIDER__MAX; StatsTarget target; @@ -2429,11 +2446,11 @@ void hmp_info_stats(Monitor *mon, const QDict *qdict) switch (target) { case STATS_TARGET_VM: - filter = stats_filter(target, -1, provider); + filter = stats_filter(target, names, -1, provider); break; case STATS_TARGET_VCPU: {} int cpu_index = monitor_get_cpu_index(mon); - filter = stats_filter(target, cpu_index, provider); + filter = stats_filter(target, names, cpu_index, provider); break; default: abort(); -- 2.36.1