From nobody Mon Feb 9 21:11:57 2026 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1564137547; cv=none; d=zoho.com; s=zohoarc; b=cRnnQlakXSWpPW40gNk9hRWpMBrNT91N7C5kqPz+5vwYqQSl16guhvf3E+4nlBWWARUOsamftHnfBZZPDzFSJFdZw1kvCoVxual/Z7TFFCTi1JjPHBEu9Lr8CetseZnRHWxzOP1w4R7FrYF84GbVxbWMLYqZmnThQhsOaQivPs8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1564137547; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=V/x6IA6239I6DpS5oRPWABAJ5AekHEUFXEL47jdMPVg=; b=TFlzQaXh9EzWZFznO6F5CD59TkCPdMWSJot/5FgLEXl3yFtPi7rTKJo4OrZ276ee2xsk2lrB5Q0wKDNC6TKG92O7acatlxJWcaPL1UySljMA66YG9OhpUN2Yy5Nbw65zVNmKgVXI2bpt8/ylwJZM2NtWlx7a46CqZspiN16DZEk= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1564137547497966.868242254953; Fri, 26 Jul 2019 03:39:07 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hqxbl-0006Z5-Kc; Fri, 26 Jul 2019 10:37:53 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hqxbj-0006Yh-QC for xen-devel@lists.xenproject.org; Fri, 26 Jul 2019 10:37:51 +0000 Received: from mail-lf1-x142.google.com (unknown [2a00:1450:4864:20::142]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 6a395883-af91-11e9-8980-bc764e045a96; Fri, 26 Jul 2019 10:37:50 +0000 (UTC) Received: by mail-lf1-x142.google.com with SMTP id s19so36751526lfb.9 for ; Fri, 26 Jul 2019 03:37:50 -0700 (PDT) Received: from aanisov-work.kyiv.epam.com (ll-22.209.223.85.sovam.net.ua. [85.223.209.22]) by smtp.gmail.com with ESMTPSA id m4sm9938274ljc.56.2019.07.26.03.37.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 26 Jul 2019 03:37:48 -0700 (PDT) X-Inumbo-ID: 6a395883-af91-11e9-8980-bc764e045a96 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; bh=D23SaDmMes/5rLk7esszHz1ov4+y99tR1u40eMXh+wA=; b=hi8w1xokQ+1fLlzpVqiUDin0oatRCd/qhpzeNDSs/Spm98Ir+9OkAQ/7wRRdTxjnqP G0+ecuRC5ee7OZUk9Oc+vzyXxzZZYwR9HxJe11bHezLlaoadI3OlNPuBx9rE5+z3+gYf 2HUyjN6jjRfWs8kQUCcBzxdTNYa2eWgQ/MO5n9RIGRVI8zsNhfdndJg2Csnh0gzZY/uX X6pTM42THxJHPq72Q0yI88ggniNS0voqlk3vPU3ZSp8o738TkWrKX2Mwj3bRDWMnHPyP kHtc/vsSRVfCDUiTGkjgggpX24haR92UuDGnzj/Gt5Lnh2ImLvHk0ft+a/UFxZwWrqSe WtrQ== 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; bh=D23SaDmMes/5rLk7esszHz1ov4+y99tR1u40eMXh+wA=; b=jcBdnSeDoTXnpWjqo50mjpiySvPSbmI/oSArztxrARZHrezWxTMPLNdxvKndcuyQET 1JeSq6Fs2f3uyvpvEpNo5Lu5Hh5abKEl12XKDo7mvA5dA4kUTXJVh7OJEwACuJSYHrmG /RLdq5PSSHEpx3k2UmQVM9iYDMwJxp5Rm6iRC4okJxTKIcbYJWidXUepRJ34ZkOkMdwQ RzTHXjAPZ2qLbxxyMTkmMttCc78yHB5lg8Qm+tQw8DpGl7Tx5MF1Q1mlaAeI8WE6VdcK uw3EVWQAuiHyuH+tzpaMmP14AB2q+1k+XiAZAQ7K/c5j7tTtlcE1vnBG9HE6CfCO2UX9 DVDA== X-Gm-Message-State: APjAAAU7BapOLj4du2phj5tiByeNQjQXAQIkuhA9wawna/grD7csSMLY mI4WFHE9UGfMQwQX3o/AmFU0sB0S X-Google-Smtp-Source: APXvYqwhDnkKYPKaAsFCvVBcWCL344LKoLD8j+pk9K4PRKK/NgAbZ2S4oC/Myup42mxgATYcPQOqAQ== X-Received: by 2002:a05:6512:51c:: with SMTP id o28mr45535842lfb.67.1564137468910; Fri, 26 Jul 2019 03:37:48 -0700 (PDT) From: Andrii Anisov To: xen-devel@lists.xenproject.org Date: Fri, 26 Jul 2019 13:37:37 +0300 Message-Id: <1564137460-25629-5-git-send-email-andrii.anisov@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1564137460-25629-1-git-send-email-andrii.anisov@gmail.com> References: <1564137460-25629-1-git-send-email-andrii.anisov@gmail.com> Subject: [Xen-devel] [RFC 4/6] xentop: show CPU load information X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Ian Jackson , Andrii Anisov , Wei Liu MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Andrii Anisov Let xentop request and show information about CPU load (hypervisor, guest and idle information) Signed-off-by: Andrii Anisov --- tools/xenstat/libxenstat/src/xenstat.c | 38 +++++++++++++++++++++++++= ++++ tools/xenstat/libxenstat/src/xenstat.h | 9 +++++++ tools/xenstat/libxenstat/src/xenstat_priv.h | 3 +++ tools/xenstat/xentop/xentop.c | 30 +++++++++++++++++++++++ 4 files changed, 80 insertions(+) diff --git a/tools/xenstat/libxenstat/src/xenstat.c b/tools/xenstat/libxens= tat/src/xenstat.c index bba143e..e4029d2 100644 --- a/tools/xenstat/libxenstat/src/xenstat.c +++ b/tools/xenstat/libxenstat/src/xenstat.c @@ -148,6 +148,9 @@ static inline unsigned long long parse(char *s, char *m= atch) xenstat_node *xenstat_get_node(xenstat_handle * handle, unsigned int flags) { #define DOMAIN_CHUNK_SIZE 256 + xc_cpuinfo_t *cpuinfo; + int max_cpus, nr_cpus; + xenstat_node *node; xc_physinfo_t physinfo =3D { 0 }; xc_domaininfo_t domaininfo[DOMAIN_CHUNK_SIZE]; @@ -177,6 +180,26 @@ xenstat_node *xenstat_get_node(xenstat_handle * handle= , unsigned int flags) * handle->page_size; =20 node->freeable_mb =3D 0; + + max_cpus =3D node->num_cpus; + + cpuinfo =3D calloc(max_cpus, sizeof(xc_cpuinfo_t)); + if (!cpuinfo) + return NULL; + + if (xc_getcpuinfo(handle->xc_handle, max_cpus, cpuinfo, &nr_cpus) < 0) { + free(cpuinfo); + return NULL; + } + + for ( i =3D 0; i < nr_cpus; i++) { + node->idle_time +=3D cpuinfo[i].idletime; + node->hyp_time +=3D cpuinfo[i].hyptime; + node->guest_time +=3D cpuinfo[i].guesttime; + } + + free(cpuinfo); + /* malloc(0) is not portable, so allocate a single domain. This will * be resized below. */ node->domains =3D malloc(sizeof(xenstat_domain)); @@ -346,6 +369,21 @@ unsigned long long xenstat_node_cpu_hz(xenstat_node * = node) return node->cpu_hz; } =20 +unsigned long long xenstat_node_idle_time(xenstat_node * node) +{ + return node->idle_time; +} + +unsigned long long xenstat_node_guest_time(xenstat_node * node) +{ + return node->guest_time; +} + +unsigned long long xenstat_node_hyp_time(xenstat_node * node) +{ + return node->hyp_time; +} + /* Get the domain ID for this domain */ unsigned xenstat_domain_id(xenstat_domain * domain) { diff --git a/tools/xenstat/libxenstat/src/xenstat.h b/tools/xenstat/libxens= tat/src/xenstat.h index 76a660f..5b34461 100644 --- a/tools/xenstat/libxenstat/src/xenstat.h +++ b/tools/xenstat/libxenstat/src/xenstat.h @@ -80,6 +80,15 @@ unsigned int xenstat_node_num_cpus(xenstat_node * node); /* Get information about the CPU speed */ unsigned long long xenstat_node_cpu_hz(xenstat_node * node); =20 +/* Get information about the CPU idle time */ +unsigned long long xenstat_node_idle_time(xenstat_node * node); + +/* Get information about the CPU guest execution time */ +unsigned long long xenstat_node_guest_time(xenstat_node * node); + +/* Get information about the CPU hypervisor execution time */ +unsigned long long xenstat_node_hyp_time(xenstat_node * node); + /* * Domain functions - extract information from a xenstat_domain */ diff --git a/tools/xenstat/libxenstat/src/xenstat_priv.h b/tools/xenstat/li= bxenstat/src/xenstat_priv.h index 4eb44a8..78ad8c4 100644 --- a/tools/xenstat/libxenstat/src/xenstat_priv.h +++ b/tools/xenstat/libxenstat/src/xenstat_priv.h @@ -45,6 +45,9 @@ struct xenstat_node { unsigned int flags; unsigned long long cpu_hz; unsigned int num_cpus; + unsigned long long hyp_time; + unsigned long long guest_time; + unsigned long long idle_time; unsigned long long tot_mem; unsigned long long free_mem; unsigned int num_domains; diff --git a/tools/xenstat/xentop/xentop.c b/tools/xenstat/xentop/xentop.c index af11ebf..aa6e9b0 100644 --- a/tools/xenstat/xentop/xentop.c +++ b/tools/xenstat/xentop/xentop.c @@ -930,6 +930,34 @@ void adjust_field_widths(xenstat_domain *domain) fields[FIELD_VBD_WSECT-1].default_width =3D length; } =20 +void do_utilization(void) +{ + double us_elapsed =3D 0.0, + us_hyp =3D 0.0, + us_guest =3D 0.0, + us_idle =3D 0.0; + + /* Can't calculate CPU percentage without a current and a previous sample= .*/ + if(prev_node !=3D NULL && cur_node !=3D NULL) { + + /* Calculate the time elapsed in microseconds */ + us_elapsed =3D ((curtime.tv_sec-oldtime.tv_sec)*1000000.0 + +(curtime.tv_usec - oldtime.tv_usec)); + + /* In the following, nanoseconds must be multiplied by 1000.0 to + * convert to microseconds, then divided by 100.0 to get a percentage, + * resulting in a multiplication by 10.0 */ + us_idle =3D ((xenstat_node_idle_time(cur_node) - + xenstat_node_idle_time(prev_node))/10.0)/us_elapsed; + us_guest =3D ((xenstat_node_guest_time(cur_node) - + xenstat_node_guest_time(prev_node))/10.0)/us_elapsed; + us_hyp =3D ((xenstat_node_hyp_time(cur_node) - + xenstat_node_hyp_time(prev_node))/10.0)/us_elapsed; + } + + print("%%CPU(s): %6.1f gu, %6.1f hy, %6.1f id \n", + us_guest, us_hyp, us_idle); +} =20 /* Section printing functions */ /* Prints the top summary, above the domain table */ @@ -972,6 +1000,8 @@ void do_summary(void) used =3D xenstat_node_tot_mem(cur_node); freeable_mb =3D 0; =20 + do_utilization(); + /* Dump node memory and cpu information */ if ( freeable_mb <=3D 0 ) print("Mem: %lluk total, %lluk used, %lluk free ", --=20 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel