From nobody Mon Feb 9 16:19:28 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=digitalocean.com ARC-Seal: i=1; a=rsa-sha256; t=1570651200; cv=none; d=zoho.com; s=zohoarc; b=KLTCxs0P8G/EnaRgUUtBhomYZRuMBRGYmuss2WsvGPkS/LCsdz8xyOjL8L13D4SpQcGCRlclv8yZgKsBKlh0ixg0KUnExlv2b+4HgKiDrPWwm4ZwEHz9ipMRCRZBqhzc9bwuj3PT/WeDqC1U0MsuEcPT83ozxpSIzaHgZZVD1d4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1570651200; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=J4YN86Aqb6P3nZBxZGbSB3JP/PFIgkq5SLiK3nAUEks=; b=opFpy2yBGGHKkUqUz2PnDvVS4aTLwrNA5f19A9J9pWR7pXy8Mru3/npkzvm64jUfitL3eM9VpTQmcNpR9jD9dOenPJFqTkGEfOGkeo3uBttr3yYlNycXffd4dlsuQBq509VLa+ow3N7ZG2qc9ni4xfprPPNcLfTpvXx5uKTVqg4= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=pass; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1570651200770168.0511817794628; Wed, 9 Oct 2019 13:00:00 -0700 (PDT) Received: from localhost ([::1]:56388 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iII7q-0008TK-TJ for importer@patchew.org; Wed, 09 Oct 2019 15:59:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56161) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iIF5v-0001mG-Hq for qemu-devel@nongnu.org; Wed, 09 Oct 2019 12:45:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iIF5u-0001fm-65 for qemu-devel@nongnu.org; Wed, 09 Oct 2019 12:45:47 -0400 Received: from mail-oi1-x234.google.com ([2607:f8b0:4864:20::234]:46056) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iIF5u-0001fT-0J for qemu-devel@nongnu.org; Wed, 09 Oct 2019 12:45:46 -0400 Received: by mail-oi1-x234.google.com with SMTP id o205so2306669oib.12 for ; Wed, 09 Oct 2019 09:45:45 -0700 (PDT) Received: from msmarduch-ThinkPad-T460s.attlocal.net ([2600:1700:4a30:84c0:8d5e:794e:8a2e:ee89]) by smtp.gmail.com with ESMTPSA id q1sm789818otn.8.2019.10.09.09.45.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 Oct 2019 09:45:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=digitalocean.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=J4YN86Aqb6P3nZBxZGbSB3JP/PFIgkq5SLiK3nAUEks=; b=Bg7qinyHGcIxIzh43Gh4AvNI1I8OAA9q3iGmWryMw9LKOHzcx8iehStOSOe90nGVrN s1BEiUMGVZA7uIyAn8LBBOGqTWObdreWCnaDf0kOYzpR9S4868LolXH3Sm8GRULs4Xyv Q2jb/nIgZNtC3U92+IbdLeQ0qUj7mGVIodjCI= 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=J4YN86Aqb6P3nZBxZGbSB3JP/PFIgkq5SLiK3nAUEks=; b=AbwUGWfBJnv2wAlOR5JfEwYmRYVY8fCYanI7Nj7geD7vt2dDgoVF9kNAs6scbdzFjB ZFSbWQbccB0EnibNeK+LOTPq0g1n6LnrgzuxcGGJ1jA4jzJQeYhycbn1Bw1ocjkm0pyK x3JvUxp0OYAnU+IUaKlKYnzRjl7xYyY8kVt30mhKRKJ7tOE8Gf9vhx6JsR3p4pPwP/4x 29f5ci4Ox3XolSOgpnBg5QS4xN7pxbSCOvcm05P+dEjmSqihTfPau7aeWc/kOdpUN7ru aJCRA/z6BNDkf4XVARhol9VmnEE/5P4vWJ16x0WSjM4t0ailJd23OCBRlqZLagFkq8wr l6EA== X-Gm-Message-State: APjAAAW7bIc+cZKteiVGrQquz5p0/+4MJ09CMLBcFm8TxcBV3TKuu3/8 pth1/yyBIKIFsr7kRGOqnbjLBA== X-Google-Smtp-Source: APXvYqxpgL1jB9NOpbCUjK6IIrbvQI84iUiBkIeqIv5KGQqsTORaTjnKwLcKMnp6ml9ZTTs/VvYnAQ== X-Received: by 2002:aca:90f:: with SMTP id 15mr3195748oij.92.1570639544552; Wed, 09 Oct 2019 09:45:44 -0700 (PDT) From: Mario Smarduch To: philmd@redhat.com, mtosatti@redhat.com, pbonzini@redhat.com, armbru@redhat.com Cc: qemu-devel@nongnu.org, qemu-trivial@nongnu.org, rth@twiddle.net, ehabkost@redhat.com, Mario Smarduch Subject: [PATCHv2 1/2] util/qemu-error: add guest name helper with -msg options Date: Wed, 9 Oct 2019 09:44:58 -0700 Message-Id: <20191009164459.8209-2-msmarduch@digitalocean.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20191009164459.8209-1-msmarduch@digitalocean.com> References: <20191009164459.8209-1-msmarduch@digitalocean.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::234 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @digitalocean.com) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This patch adds an option to enable/disable printing lead guest name in logging messages. A '-msg name=3Don|off' allows to turn on, off guest name logging. If guest name is not set disabling this makes sense. Verified with all combinations of=20 '-msg timestamp=3Dyes|no,name=3Dyes|no. Signed-off-by: Mario Smarduch --- include/qemu/error-report.h | 1 + qemu-options.hx | 10 ++++++---- util/qemu-error.c | 31 +++++++++++++++++++++++++++++++ vl.c | 5 +++++ 4 files changed, 43 insertions(+), 4 deletions(-) diff --git a/include/qemu/error-report.h b/include/qemu/error-report.h index 00d069b..9b44a06 100644 --- a/include/qemu/error-report.h +++ b/include/qemu/error-report.h @@ -74,5 +74,6 @@ void error_init(const char *argv0); =20 const char *error_get_progname(void); extern bool enable_timestamp_msg; +extern bool enable_guestname_msg; =20 #endif diff --git a/qemu-options.hx b/qemu-options.hx index 2a04ca6..6066001 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4164,14 +4164,16 @@ HXCOMM Deprecated by -accel tcg DEF("no-kvm", 0, QEMU_OPTION_no_kvm, "", QEMU_ARCH_I386) =20 DEF("msg", HAS_ARG, QEMU_OPTION_msg, - "-msg timestamp[=3Don|off]\n" + "-msg [timestamp=3Don|off][name=3Don|off]\n" " change the format of messages\n" - " on|off controls leading timestamps (default:on)\n", + " timestamp=3Don|off controls leading timestamps (defau= lt: on)\n" + " name=3Don|off controls leading guest name (default: o= ff)\n", QEMU_ARCH_ALL) STEXI -@item -msg timestamp[=3Don|off] +@item -msg timestamp=3Don|off +@item -msg name=3Don|off @findex -msg -prepend a timestamp to each log message.(default:on) +Prepend additional information to each log message ETEXI =20 DEF("dump-vmstate", HAS_ARG, QEMU_OPTION_dump_vmstate, diff --git a/util/qemu-error.c b/util/qemu-error.c index f373f3b..8ece7b2 100644 --- a/util/qemu-error.c +++ b/util/qemu-error.c @@ -11,6 +11,8 @@ */ =20 #include "qemu/osdep.h" +#include "qemu/option.h" +#include "qemu/config-file.h" #include "monitor/monitor.h" #include "qemu/error-report.h" =20 @@ -192,6 +194,8 @@ static void print_loc(void) } =20 bool enable_timestamp_msg; +bool enable_guestname_msg; + /* * Print a message to current monitor if we have one, else to stderr. * @report_type is the type of message: error, warning or informational. @@ -228,6 +232,27 @@ static void vreport(report_type type, const char *fmt,= va_list ap) error_printf("\n"); } =20 +static const char *error_get_guestname(void) +{ + QemuOpts *opts =3D qemu_opts_find(qemu_find_opts("name"), NULL); + return qemu_opt_get(opts, "guest"); +} + +/* + * Also print the guest name, handy if we log to a server. + */ +static void error_print_guestname(void) +{ + const char *name; + + if (enable_guestname_msg) { + name =3D error_get_guestname(); + if (name && !cur_mon) { + error_printf("Guest [%s] ", name); + } + } +} + /* * Print an error message to current monitor if we have one, else to stder= r. * Format arguments like vsprintf(). The resulting message should be @@ -237,6 +262,7 @@ static void vreport(report_type type, const char *fmt, = va_list ap) */ void error_vreport(const char *fmt, va_list ap) { + error_print_guestname(); vreport(REPORT_TYPE_ERROR, fmt, ap); } =20 @@ -248,6 +274,7 @@ void error_vreport(const char *fmt, va_list ap) */ void warn_vreport(const char *fmt, va_list ap) { + error_print_guestname(); vreport(REPORT_TYPE_WARNING, fmt, ap); } =20 @@ -274,6 +301,7 @@ void error_report(const char *fmt, ...) { va_list ap; =20 + error_print_guestname(); va_start(ap, fmt); vreport(REPORT_TYPE_ERROR, fmt, ap); va_end(ap); @@ -289,6 +317,7 @@ void warn_report(const char *fmt, ...) { va_list ap; =20 + error_print_guestname(); va_start(ap, fmt); vreport(REPORT_TYPE_WARNING, fmt, ap); va_end(ap); @@ -324,6 +353,7 @@ bool error_report_once_cond(bool *printed, const char *= fmt, ...) return false; } *printed =3D true; + error_print_guestname(); va_start(ap, fmt); vreport(REPORT_TYPE_ERROR, fmt, ap); va_end(ap); @@ -344,6 +374,7 @@ bool warn_report_once_cond(bool *printed, const char *f= mt, ...) return false; } *printed =3D true; + error_print_guestname(); va_start(ap, fmt); vreport(REPORT_TYPE_WARNING, fmt, ap); va_end(ap); diff --git a/vl.c b/vl.c index 002bf49..024bdc6 100644 --- a/vl.c +++ b/vl.c @@ -417,6 +417,10 @@ static QemuOptsList qemu_msg_opts =3D { .name =3D "timestamp", .type =3D QEMU_OPT_BOOL, }, + { + .name =3D "name", + .type =3D QEMU_OPT_BOOL, + }, { /* end of list */ } }, }; @@ -1263,6 +1267,7 @@ static void realtime_init(void) static void configure_msg(QemuOpts *opts) { enable_timestamp_msg =3D qemu_opt_get_bool(opts, "timestamp", true); + enable_guestname_msg =3D qemu_opt_get_bool(opts, "name", false); } =20 =20 --=20 2.9.3