From patchwork Fri Jul 17 09:35:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 1330994 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=yadro.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yadro.com header.i=@yadro.com header.a=rsa-sha256 header.s=mta-01 header.b=TySON8n+; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4B7QwX6pCLz9sRR for ; Fri, 17 Jul 2020 19:35:56 +1000 (AEST) Received: from localhost ([::1]:46522 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jwMmY-0001WW-4q for incoming@patchwork.ozlabs.org; Fri, 17 Jul 2020 05:35:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52006) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jwMm5-0001UO-QR for qemu-devel@nongnu.org; Fri, 17 Jul 2020 05:35:25 -0400 Received: from mta-02.yadro.com ([89.207.88.252]:36944 helo=mta-01.yadro.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jwMm3-0005WR-CI for qemu-devel@nongnu.org; Fri, 17 Jul 2020 05:35:25 -0400 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 39D1F4C91C; Fri, 17 Jul 2020 09:35:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1594978519; x=1596792920; bh=LntcODvLDgZoNAVZeI618+GpuQCqN16jBYY ic2LUMck=; b=TySON8n+T8yxnG5+B9AhD3M6v8qN4uk2HwhdBLUJd35rAeYdcRG Rrl5jq+i98AVVDXC2QiNijd6OhorqWmBKbfZL4E/TJE8Lm4qwDkhL95igtmIubiJ hw5OJu5Smc6NK38dOTXhAgg4TtVKfz+wWcFU8Ti1ncFy3+J5zktRIM0k= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OmpIN1oGT3yj; Fri, 17 Jul 2020 12:35:19 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id EE57C4C916; Fri, 17 Jul 2020 12:35:19 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 17 Jul 2020 12:35:19 +0300 From: Roman Bolshakov To: Subject: [PATCH v2 1/4] scripts/tracetool: Fix dtrace generation for macOS Date: Fri, 17 Jul 2020 12:35:14 +0300 Message-ID: <20200717093517.73397-2-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200717093517.73397-1-r.bolshakov@yadro.com> References: <20200717093517.73397-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/17 05:35:20 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Roman Bolshakov , =?utf-8?q?Daniel_P=2E_Berrang?= =?utf-8?q?=C3=A9?= , Cameron Esfahani , Stefan Hajnoczi Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" dtrace USDT is fully supported since OS X 10.6. There are a few peculiarities compared to other dtrace flavors. 1. It doesn't accept empty files. 2. It doesn't recognize bool type but accepts C99 _Bool. 3. It converts int8_t * in probe points to char * in header files and introduces [-Wpointer-sign] warning. Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov Reviewed-by: Stefan Hajnoczi --- scripts/tracetool/format/d.py | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/scripts/tracetool/format/d.py b/scripts/tracetool/format/d.py index 0afb5f3f47..353722f89c 100644 --- a/scripts/tracetool/format/d.py +++ b/scripts/tracetool/format/d.py @@ -13,6 +13,7 @@ __email__ = "stefanha@redhat.com" from tracetool import out +from sys import platform # Reserved keywords from @@ -34,7 +35,8 @@ def generate(events, backend, group): # SystemTap's dtrace(1) warns about empty "provider qemu {}" but is happy # with an empty file. Avoid the warning. - if not events: + # But dtrace on macOS can't deal with empty files. + if not events and platform != "darwin": return out('/* This file is autogenerated by tracetool, do not edit. */' @@ -44,6 +46,17 @@ def generate(events, backend, group): for e in events: args = [] for type_, name in e.args: + if platform == "darwin": + # macOS dtrace accepts only C99 _Bool + if type_ == 'bool': + type_ = '_Bool' + if type_ == 'bool *': + type_ = '_Bool *' + # It converts int8_t * in probe points to char * in header + # files and introduces [-Wpointer-sign] warning. + # Avoid it by changing probe type to signed char * beforehand. + if type_ == 'int8_t *': + type_ = 'signed char *' if name in RESERVED_WORDS: name += '_' args.append(type_ + ' ' + name) From patchwork Fri Jul 17 09:35:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 1330996 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=yadro.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yadro.com header.i=@yadro.com header.a=rsa-sha256 header.s=mta-01 header.b=NR61HUuE; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4B7Qy449Z2z9sRR for ; Fri, 17 Jul 2020 19:37:16 +1000 (AEST) Received: from localhost ([::1]:52516 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jwMnp-00045F-PH for incoming@patchwork.ozlabs.org; Fri, 17 Jul 2020 05:37:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52000) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jwMm5-0001UI-Jh for qemu-devel@nongnu.org; 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Fri, 17 Jul 2020 12:35:20 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 7DF184C914; Fri, 17 Jul 2020 12:35:20 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 17 Jul 2020 12:35:20 +0300 From: Roman Bolshakov To: Subject: [PATCH v2 2/4] scripts/tracetool: Use void pointer for vcpu Date: Fri, 17 Jul 2020 12:35:15 +0300 Message-ID: <20200717093517.73397-3-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200717093517.73397-1-r.bolshakov@yadro.com> References: <20200717093517.73397-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/17 05:35:20 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Roman Bolshakov , =?utf-8?q?Daniel_P=2E_Berrang?= =?utf-8?q?=C3=A9?= , Cameron Esfahani , Stefan Hajnoczi Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" dtrace on macOS complains that CPUState * is used for a few probes: dtrace: failed to compile script trace-dtrace-root.dtrace: line 130: syntax error near "CPUState" A comment in scripts/tracetool/__init__.py mentions that: We only want to allow standard C types or fixed sized integer types. We don't want QEMU specific types as we can't assume trace backends can resolve all the typedefs Fixes: 3d211d9f4dbee ("trace: Add 'vcpu' event property to trace guest vCPU") Reviewed-by: Daniel P. Berrangé Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov Reviewed-by: Stefan Hajnoczi --- scripts/tracetool/vcpu.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/tracetool/vcpu.py b/scripts/tracetool/vcpu.py index b54e4f4e7a..868b4cb04c 100644 --- a/scripts/tracetool/vcpu.py +++ b/scripts/tracetool/vcpu.py @@ -24,7 +24,7 @@ def transform_event(event): assert "tcg-trans" not in event.properties assert "tcg-exec" not in event.properties - event.args = Arguments([("CPUState *", "__cpu"), event.args]) + event.args = Arguments([("void *", "__cpu"), event.args]) if "tcg" in event.properties: fmt = "\"cpu=%p \"" event.fmt = [fmt + event.fmt[0], From patchwork Fri Jul 17 09:35:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 1330997 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=yadro.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yadro.com header.i=@yadro.com header.a=rsa-sha256 header.s=mta-01 header.b=cK96j65M; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4B7Qy54HKvz9sRR for ; Fri, 17 Jul 2020 19:37:17 +1000 (AEST) Received: from localhost ([::1]:52736 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jwMnr-0004AY-C0 for incoming@patchwork.ozlabs.org; Fri, 17 Jul 2020 05:37:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52010) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jwMm6-0001V7-8v for qemu-devel@nongnu.org; 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Fri, 17 Jul 2020 12:35:21 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 205674C91A; Fri, 17 Jul 2020 12:35:21 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 17 Jul 2020 12:35:21 +0300 From: Roman Bolshakov To: Subject: [PATCH v2 3/4] build: Don't make object files for dtrace on macOS Date: Fri, 17 Jul 2020 12:35:16 +0300 Message-ID: <20200717093517.73397-4-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200717093517.73397-1-r.bolshakov@yadro.com> References: <20200717093517.73397-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/17 05:35:20 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Roman Bolshakov , =?utf-8?q?Daniel_P=2E_Berrang?= =?utf-8?q?=C3=A9?= , Cameron Esfahani , Stefan Hajnoczi Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" dtrace on macOS uses unresolved symbols with a special prefix to define probes [1], only headers should be generated for USDT (dtrace(1)). But it doesn't support backwards compatible no-op -G flag [2] and implicit build rules fail. 1. https://markmail.org/message/6grq2ygr5nwdwsnb 2. https://markmail.org/message/5xrxt2w5m42nojkz Reviewed-by: Daniel P. Berrangé Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov Reviewed-by: Stefan Hajnoczi --- Makefile.objs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Makefile.objs b/Makefile.objs index d22b3b45d7..982f15ba30 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -211,5 +211,7 @@ trace-events-files = $(SRC_PATH)/trace-events $(trace-events-subdirs:%=$(SRC_PAT trace-obj-y = trace-root.o trace-obj-y += $(trace-events-subdirs:%=%/trace.o) trace-obj-$(CONFIG_TRACE_UST) += trace-ust-all.o +ifneq ($(CONFIG_DARWIN),y) trace-obj-$(CONFIG_TRACE_DTRACE) += trace-dtrace-root.o trace-obj-$(CONFIG_TRACE_DTRACE) += $(trace-events-subdirs:%=%/trace-dtrace.o) +endif From patchwork Fri Jul 17 09:35:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Roman Bolshakov X-Patchwork-Id: 1330995 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Fri, 17 Jul 2020 12:35:22 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id B0C3F4C912; Fri, 17 Jul 2020 12:35:21 +0300 (MSK) Received: from localhost (172.17.204.212) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 17 Jul 2020 12:35:21 +0300 From: Roman Bolshakov To: Subject: [PATCH v2 4/4] net/colo: Match is-enabled probe to tracepoint Date: Fri, 17 Jul 2020 12:35:17 +0300 Message-ID: <20200717093517.73397-5-r.bolshakov@yadro.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200717093517.73397-1-r.bolshakov@yadro.com> References: <20200717093517.73397-1-r.bolshakov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.204.212] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Received-SPF: pass client-ip=89.207.88.252; envelope-from=r.bolshakov@yadro.com; helo=mta-01.yadro.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/17 05:35:20 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Li Zhijian , Jason Wang , Cameron Esfahani , Zhang Chen , Roman Bolshakov , Stefan Hajnoczi , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Build of QEMU with dtrace fails on macOS: LINK x86_64-softmmu/qemu-system-x86_64 error: probe colo_compare_miscompare doesn't exist error: Could not register probes ld: error creating dtrace DOF section for architecture x86_64 The reason of the error is explained by Adam Leventhal [1]: Note that is-enabled probes don't have the stability magic so I'm not sure how things would work if only is-enabled probes were used. net/colo code uses is-enabled probes to determine if other probes should be used but colo_compare_miscompare itself is not used explicitly. Linker doesn't include the symbol and build fails. The issue can be resolved if is-enabled probe matches the actual trace point that is used inside the test. Packet dump toggle is replaced with a compile-time conditional definition. 1. http://markmail.org/message/6grq2ygr5nwdwsnb Fixes: f4b618360e ("colo-compare: add TCP, UDP, ICMP packet comparison") Cc: Philippe Mathieu-Daudé Cc: Cameron Esfahani Signed-off-by: Roman Bolshakov Reviewed-by: Zhang Chen --- net/colo-compare.c | 42 ++++++++++++++++++++++-------------------- net/filter-rewriter.c | 10 ++++++++-- net/trace-events | 2 -- 3 files changed, 30 insertions(+), 24 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index 398b7546ff..e0be98e494 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -54,6 +54,8 @@ static NotifierList colo_compare_notifiers = #define REGULAR_PACKET_CHECK_MS 3000 #define DEFAULT_TIME_OUT_MS 3000 +/* #define DEBUG_COLO_PACKETS */ + static QemuMutex colo_compare_mutex; static bool colo_compare_active; static QemuMutex event_mtx; @@ -327,7 +329,7 @@ static int colo_compare_packet_payload(Packet *ppkt, uint16_t len) { - if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) { + if (trace_event_get_state_backends(TRACE_COLO_COMPARE_IP_INFO)) { char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20]; strcpy(pri_ip_src, inet_ntoa(ppkt->ip->ip_src)); @@ -492,12 +494,12 @@ sec: g_queue_push_head(&conn->primary_list, ppkt); g_queue_push_head(&conn->secondary_list, spkt); - if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) { - qemu_hexdump((char *)ppkt->data, stderr, - "colo-compare ppkt", ppkt->size); - qemu_hexdump((char *)spkt->data, stderr, - "colo-compare spkt", spkt->size); - } +#ifdef DEBUG_COLO_PACKETS + qemu_hexdump((char *)ppkt->data, stderr, + "colo-compare ppkt", ppkt->size); + qemu_hexdump((char *)spkt->data, stderr, + "colo-compare spkt", spkt->size); +#endif colo_compare_inconsistency_notify(s); } @@ -533,12 +535,12 @@ static int colo_packet_compare_udp(Packet *spkt, Packet *ppkt) ppkt->size - offset)) { trace_colo_compare_udp_miscompare("primary pkt size", ppkt->size); trace_colo_compare_udp_miscompare("Secondary pkt size", spkt->size); - if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) { - qemu_hexdump((char *)ppkt->data, stderr, "colo-compare pri pkt", - ppkt->size); - qemu_hexdump((char *)spkt->data, stderr, "colo-compare sec pkt", - spkt->size); - } +#ifdef DEBUG_COLO_PACKETS + qemu_hexdump((char *)ppkt->data, stderr, "colo-compare pri pkt", + ppkt->size); + qemu_hexdump((char *)spkt->data, stderr, "colo-compare sec pkt", + spkt->size); +#endif return -1; } else { return 0; @@ -576,12 +578,12 @@ static int colo_packet_compare_icmp(Packet *spkt, Packet *ppkt) ppkt->size); trace_colo_compare_icmp_miscompare("Secondary pkt size", spkt->size); - if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) { - qemu_hexdump((char *)ppkt->data, stderr, "colo-compare pri pkt", - ppkt->size); - qemu_hexdump((char *)spkt->data, stderr, "colo-compare sec pkt", - spkt->size); - } +#ifdef DEBUG_COLO_PACKETS + qemu_hexdump((char *)ppkt->data, stderr, "colo-compare pri pkt", + ppkt->size); + qemu_hexdump((char *)spkt->data, stderr, "colo-compare sec pkt", + spkt->size); +#endif return -1; } else { return 0; @@ -597,7 +599,7 @@ static int colo_packet_compare_other(Packet *spkt, Packet *ppkt) uint16_t offset = ppkt->vnet_hdr_len; trace_colo_compare_main("compare other"); - if (trace_event_get_state_backends(TRACE_COLO_COMPARE_MISCOMPARE)) { + if (trace_event_get_state_backends(TRACE_COLO_COMPARE_IP_INFO)) { char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20]; strcpy(pri_ip_src, inet_ntoa(ppkt->ip->ip_src)); diff --git a/net/filter-rewriter.c b/net/filter-rewriter.c index 1aaad101b6..576b019d09 100644 --- a/net/filter-rewriter.c +++ b/net/filter-rewriter.c @@ -76,11 +76,14 @@ static int handle_primary_tcp_pkt(RewriterState *rf, struct tcp_hdr *tcp_pkt; tcp_pkt = (struct tcp_hdr *)pkt->transport_header; - if (trace_event_get_state_backends(TRACE_COLO_FILTER_REWRITER_DEBUG)) { + if (trace_event_get_state_backends(TRACE_COLO_FILTER_REWRITER_PKT_INFO)) { trace_colo_filter_rewriter_pkt_info(__func__, inet_ntoa(pkt->ip->ip_src), inet_ntoa(pkt->ip->ip_dst), ntohl(tcp_pkt->th_seq), ntohl(tcp_pkt->th_ack), tcp_pkt->th_flags); + } + if (trace_event_get_state_backends( + TRACE_COLO_FILTER_REWRITER_CONN_OFFSET)) { trace_colo_filter_rewriter_conn_offset(conn->offset); } @@ -180,11 +183,14 @@ static int handle_secondary_tcp_pkt(RewriterState *rf, tcp_pkt = (struct tcp_hdr *)pkt->transport_header; - if (trace_event_get_state_backends(TRACE_COLO_FILTER_REWRITER_DEBUG)) { + if (trace_event_get_state_backends(TRACE_COLO_FILTER_REWRITER_PKT_INFO)) { trace_colo_filter_rewriter_pkt_info(__func__, inet_ntoa(pkt->ip->ip_src), inet_ntoa(pkt->ip->ip_dst), ntohl(tcp_pkt->th_seq), ntohl(tcp_pkt->th_ack), tcp_pkt->th_flags); + } + if (trace_event_get_state_backends( + TRACE_COLO_FILTER_REWRITER_CONN_OFFSET)) { trace_colo_filter_rewriter_conn_offset(conn->offset); } diff --git a/net/trace-events b/net/trace-events index fa49c71533..bfaff7891d 100644 --- a/net/trace-events +++ b/net/trace-events @@ -17,10 +17,8 @@ colo_compare_udp_miscompare(const char *sta, int size) ": %s = %d" colo_compare_icmp_miscompare(const char *sta, int size) ": %s = %d" colo_compare_ip_info(int psize, const char *sta, const char *stb, int ssize, const char *stc, const char *std) "ppkt size = %d, ip_src = %s, ip_dst = %s, spkt size = %d, ip_src = %s, ip_dst = %s" colo_old_packet_check_found(int64_t old_time) "%" PRId64 -colo_compare_miscompare(void) "" colo_compare_tcp_info(const char *pkt, uint32_t seq, uint32_t ack, int hdlen, int pdlen, int offset, int flags) "%s: seq/ack= %u/%u hdlen= %d pdlen= %d offset= %d flags=%d" # filter-rewriter.c -colo_filter_rewriter_debug(void) "" colo_filter_rewriter_pkt_info(const char *func, const char *src, const char *dst, uint32_t seq, uint32_t ack, uint32_t flag) "%s: src/dst: %s/%s p: seq/ack=%u/%u flags=0x%x" colo_filter_rewriter_conn_offset(uint32_t offset) ": offset=%u"