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Wed, 24 Sep 2025 09:33:01 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 1/3] target/arm: Convert power control DPRINTF() uses to trace events Date: Wed, 24 Sep 2025 18:32:52 +0200 Message-ID: <20250924163255.51145-2-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250924163255.51145-1-philmd@linaro.org> References: <20250924163255.51145-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=2a00:1450:4864:20::331; envelope-from=philmd@linaro.org; helo=mail-wm1-x331.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1758731689790116600 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/arm-powerctl.c | 26 ++++++++------------------ target/arm/trace-events | 6 ++++++ 2 files changed, 14 insertions(+), 18 deletions(-) diff --git a/target/arm/arm-powerctl.c b/target/arm/arm-powerctl.c index 20c70c7d6bb..a788376d1d3 100644 --- a/target/arm/arm-powerctl.c +++ b/target/arm/arm-powerctl.c @@ -17,24 +17,12 @@ #include "qemu/main-loop.h" #include "system/tcg.h" #include "target/arm/multiprocessing.h" - -#ifndef DEBUG_ARM_POWERCTL -#define DEBUG_ARM_POWERCTL 0 -#endif - -#define DPRINTF(fmt, args...) \ - do { \ - if (DEBUG_ARM_POWERCTL) { \ - fprintf(stderr, "[ARM]%s: " fmt , __func__, ##args); \ - } \ - } while (0) +#include "trace.h" =20 CPUState *arm_get_cpu_by_id(uint64_t id) { CPUState *cpu; =20 - DPRINTF("cpu %" PRId64 "\n", id); - CPU_FOREACH(cpu) { ARMCPU *armcpu =3D ARM_CPU(cpu); =20 @@ -102,9 +90,9 @@ int arm_set_cpu_on(uint64_t cpuid, uint64_t entry, uint6= 4_t context_id, =20 assert(bql_locked()); =20 - DPRINTF("cpu %" PRId64 " (EL %d, %s) @ 0x%" PRIx64 " with R0 =3D 0x%" = PRIx64 - "\n", cpuid, target_el, target_aa64 ? "aarch64" : "aarch32", e= ntry, - context_id); + trace_arm_powerctl_set_cpu_on(cpuid, target_el, + target_aa64 ? "aarch64" : "aarch32", + entry, context_id); =20 /* requested EL level need to be in the 1 to 3 range */ assert((target_el > 0) && (target_el < 4)); @@ -208,6 +196,8 @@ int arm_set_cpu_on_and_reset(uint64_t cpuid) =20 assert(bql_locked()); =20 + trace_arm_powerctl_set_cpu_on_and_reset(cpuid); + /* Retrieve the cpu we are powering up */ target_cpu_state =3D arm_get_cpu_by_id(cpuid); if (!target_cpu_state) { @@ -261,7 +251,7 @@ int arm_set_cpu_off(uint64_t cpuid) =20 assert(bql_locked()); =20 - DPRINTF("cpu %" PRId64 "\n", cpuid); + trace_arm_powerctl_set_cpu_off(cpuid); =20 /* change to the cpu we are powering up */ target_cpu_state =3D arm_get_cpu_by_id(cpuid); @@ -297,7 +287,7 @@ int arm_reset_cpu(uint64_t cpuid) =20 assert(bql_locked()); =20 - DPRINTF("cpu %" PRId64 "\n", cpuid); + trace_arm_powerctl_set_cpu_off(cpuid); =20 /* change to the cpu we are resetting */ target_cpu_state =3D arm_get_cpu_by_id(cpuid); diff --git a/target/arm/trace-events b/target/arm/trace-events index 4438dce7bec..252c05a9ebe 100644 --- a/target/arm/trace-events +++ b/target/arm/trace-events @@ -13,3 +13,9 @@ arm_gt_update_irq(int timer, int irqstate) "gt_update_irq= : timer %d irqstate %d" =20 # kvm.c kvm_arm_fixup_msi_route(uint64_t iova, uint64_t gpa) "MSI iova =3D 0x%"PRI= x64" is translated into 0x%"PRIx64 + +# arm-powerctl.c +arm_powerctl_set_cpu_on(uint64_t mp_aff, unsigned target_el, const char *m= ode, uint64_t entry, uint64_t context_id) "cpu %" PRIu64 " (EL %u, %s) @ 0x= %" PRIx64 " with R0 =3D 0x%" PRIx64 +arm_powerctl_set_cpu_on_and_reset(uint64_t mp_aff) "cpu %" PRIu64 +arm_powerctl_set_cpu_off(uint64_t mp_aff) "cpu %" PRIu64 +arm_powerctl_reset_cpu(uint64_t mp_aff) "cpu %" PRIu64 --=20 2.51.0 From nobody Sun Sep 28 15:29:06 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1758731728; cv=none; d=zohomail.com; s=zohoarc; b=hUa6qWyRX4byUkuDJ60nEW9N+ERLIRe6Np+0qgSvLhBc/JupIz35+hcrpIEFTsc0tZ9BeeKpItfP8FvsJJwYjfdVpoblMUCW7Sv+yVIs/2Qp9KyD70jWNazW/+I9QXMDM4FlzNc+Ufo23lw6ek97kHTTK9l54FVTte55ZePJs2A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758731728; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=wlQ6Ng52Z/82yxja1G/ZYi+ehAL7gT96tJ3UY5oVteE=; b=MjffksHxXd/vGbo1kr0bv5CS8PknRLYMIQkts6rXGXaFLrSY/mJuuOwKpRhVJZRDTwKhFMUqLV5eLzmpseC8r5/D34nQ+A4wkLO+xbw3AA29JxdSd9IId2eCdB3l25wW1TfjGzwocDfF3+AO8JdTYoigxecgckF4sC/FAIDQn0w= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1758731728622574.8107543144165; Wed, 24 Sep 2025 09:35:28 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v1SQr-0001Gr-JR; Wed, 24 Sep 2025 12:33:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v1SQl-0001EB-Qn for qemu-devel@nongnu.org; Wed, 24 Sep 2025 12:33:24 -0400 Received: from mail-wr1-x432.google.com ([2a00:1450:4864:20::432]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1v1SQa-0007h8-E1 for qemu-devel@nongnu.org; Wed, 24 Sep 2025 12:33:20 -0400 Received: by mail-wr1-x432.google.com with SMTP id ffacd0b85a97d-3ee12a63af1so45955f8f.1 for ; Wed, 24 Sep 2025 09:33:09 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. 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If that is the * highest implemented EL, then cpu_reset has already done diff --git a/target/arm/trace-events b/target/arm/trace-events index 252c05a9ebe..badff2b2e46 100644 --- a/target/arm/trace-events +++ b/target/arm/trace-events @@ -14,6 +14,9 @@ arm_gt_update_irq(int timer, int irqstate) "gt_update_irq= : timer %d irqstate %d" # kvm.c kvm_arm_fixup_msi_route(uint64_t iova, uint64_t gpa) "MSI iova =3D 0x%"PRI= x64" is translated into 0x%"PRIx64 =20 +# cpu.c +arm_emulate_firmware_reset(uint64_t mp_aff, unsigned target_el) "cpu %" PR= Iu64 " @EL%u" + # arm-powerctl.c arm_powerctl_set_cpu_on(uint64_t mp_aff, unsigned target_el, const char *m= ode, uint64_t entry, uint64_t context_id) "cpu %" PRIu64 " (EL %u, %s) @ 0x= %" PRIx64 " with R0 =3D 0x%" PRIx64 arm_powerctl_set_cpu_on_and_reset(uint64_t mp_aff) "cpu %" PRIu64 --=20 2.51.0 From nobody Sun Sep 28 15:29:06 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1758731711; cv=none; d=zohomail.com; s=zohoarc; b=BYgLYwEeOwGQAH94qjIcszBKYAuI5ChwslFOD9lldsLM8yEhvtKjRWQNCegJtL87NtnCDjuIccGysMqoc+m05F7a6nnD2sIBkSWUUylDgY1ZAqKq/j54h1VY/fagh2/0p0w2+tfdpAah4cBXYGOyEyQYpBeb6tW6zgmhdx+DIus= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758731711; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=MYlzON49AvbxhbpDD4RKuVLUadRyeOo7snZVQLU3QFA=; b=MdUJu/qu99Oy2a3E03s/Bh99+enq7WrIbeeEk4IjH/qfI7MVyIdL70bNw+0QmR+Ev7NPCqg3MDaV7f5d+cNE/VykLDK+cbCeTDgZdmlZXx0jq+GAxA1f7BTCfcPSOX2TbDsfn8+ECGzSRsQ31FajPTBmI336W++sDaRYLzAH2JY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1758731711754143.06238815202482; Wed, 24 Sep 2025 09:35:11 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v1SQv-0001K9-87; Wed, 24 Sep 2025 12:33:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v1SQr-0001IC-4p for qemu-devel@nongnu.org; Wed, 24 Sep 2025 12:33:29 -0400 Received: from mail-wm1-x330.google.com ([2a00:1450:4864:20::330]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1v1SQi-0007hh-GW for qemu-devel@nongnu.org; Wed, 24 Sep 2025 12:33:28 -0400 Received: by mail-wm1-x330.google.com with SMTP id 5b1f17b1804b1-46c889b310dso10366345e9.0 for ; Wed, 24 Sep 2025 09:33:17 -0700 (PDT) Received: from localhost.localdomain (88-187-86-199.subs.proxad.net. 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Wed, 24 Sep 2025 09:33:12 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 3/3] target/arm: Trace vCPU reset call Date: Wed, 24 Sep 2025 18:32:54 +0200 Message-ID: <20250924163255.51145-4-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250924163255.51145-1-philmd@linaro.org> References: <20250924163255.51145-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=philmd@linaro.org; helo=mail-wm1-x330.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1758731712409116600 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/cpu.c | 2 ++ target/arm/trace-events | 1 + 2 files changed, 3 insertions(+) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index f422e608bf3..391a03c1953 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -233,6 +233,8 @@ static void arm_cpu_reset_hold(Object *obj, ResetType t= ype) ARMCPUClass *acc =3D ARM_CPU_GET_CLASS(obj); CPUARMState *env =3D &cpu->env; =20 + trace_arm_cpu_reset(arm_cpu_mp_affinity(cpu)); + if (acc->parent_phases.hold) { acc->parent_phases.hold(obj, type); } diff --git a/target/arm/trace-events b/target/arm/trace-events index badff2b2e46..72a2c7d0969 100644 --- a/target/arm/trace-events +++ b/target/arm/trace-events @@ -15,6 +15,7 @@ arm_gt_update_irq(int timer, int irqstate) "gt_update_irq= : timer %d irqstate %d" kvm_arm_fixup_msi_route(uint64_t iova, uint64_t gpa) "MSI iova =3D 0x%"PRI= x64" is translated into 0x%"PRIx64 =20 # cpu.c +arm_cpu_reset(uint64_t mp_aff) "cpu %" PRIu64 arm_emulate_firmware_reset(uint64_t mp_aff, unsigned target_el) "cpu %" PR= Iu64 " @EL%u" =20 # arm-powerctl.c --=20 2.51.0