From nobody Tue Feb 10 08:28:00 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1522258485373276.8559351059811; Wed, 28 Mar 2018 10:34:45 -0700 (PDT) Received: from localhost ([::1]:40287 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f1Ey9-0001J4-Da for importer@patchew.org; Wed, 28 Mar 2018 13:34:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55769) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f1EwH-00004y-5A for qemu-devel@nongnu.org; Wed, 28 Mar 2018 13:32:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f1EwE-0003x9-HD for qemu-devel@nongnu.org; Wed, 28 Mar 2018 13:32:45 -0400 Received: from relay.sw.ru ([185.231.240.75]:45858) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f1EwE-0003wJ-8F for qemu-devel@nongnu.org; Wed, 28 Mar 2018 13:32:42 -0400 Received: from msk-vpn.virtuozzo.com ([195.214.232.6] helo=kvm.sw.ru) by relay.sw.ru with esmtp (Exim 4.90_1) (envelope-from ) id 1f1EwB-0005l7-CB; Wed, 28 Mar 2018 20:32:39 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Date: Wed, 28 Mar 2018 20:32:36 +0300 Message-Id: <20180328173238.507470-3-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20180328173238.507470-1-vsementsov@virtuozzo.com> References: <20180328173238.507470-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH 2/4] scripts/qemugdb: improve "qemu coroutine" command X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, vsementsov@virtuozzo.com, stefanha@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" - print regs - catch exception for coredump debugging Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Stefan Hajnoczi --- scripts/qemugdb/coroutine.py | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/scripts/qemugdb/coroutine.py b/scripts/qemugdb/coroutine.py index ffaa45c464..7070a592f3 100644 --- a/scripts/qemugdb/coroutine.py +++ b/scripts/qemugdb/coroutine.py @@ -80,9 +80,8 @@ def get_jmpbuf_regs(jmpbuf): 'r15': jmpbuf[JB_R15], 'rip': glibc_ptr_demangle(jmpbuf[JB_PC], pointer_guard) } =20 -def bt_jmpbuf(jmpbuf): - '''Backtrace a jmpbuf''' - regs =3D get_jmpbuf_regs(jmpbuf) +def bt_regs(regs): + '''Backtrace with specified regs''' old =3D dict() =20 for i in regs: @@ -113,7 +112,18 @@ class CoroutineCommand(gdb.Command): gdb.write('usage: qemu coroutine \n') return =20 - bt_jmpbuf(coroutine_to_jmpbuf(gdb.parse_and_eval(argv[0]))) + jmpbuf =3D coroutine_to_jmpbuf(gdb.parse_and_eval(argv[0])) + regs =3D get_jmpbuf_regs(jmpbuf) + for k, v in regs.iteritems(): + gdb.write('%s: 0x%x\n' %(k,v)) + + gdb.write('\n') + + try: + bt_regs(regs) + except gdb.error: + print "Coroutine backtrace can't be obtained without " \ + "a process to debug." =20 class CoroutineSPFunction(gdb.Function): def __init__(self): --=20 2.11.1