From nobody Wed Feb 11 17:25:45 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFDDCC61DA4 for ; Mon, 13 Mar 2023 11:41:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230419AbjCMLlA (ORCPT ); Mon, 13 Mar 2023 07:41:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230435AbjCMLks (ORCPT ); Mon, 13 Mar 2023 07:40:48 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D5C064273 for ; Mon, 13 Mar 2023 04:40:47 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id v21so2461078ple.9 for ; Mon, 13 Mar 2023 04:40:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678707647; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uN7zwUTTarFdEEyI4xavpEstkRipyyWqLXdanEnFXps=; b=ys+dsTy2vh5IRMXu/71+ZQS9QxgiwshRjarRfNFvlFiW60uTbW/yU0lWs+E37FB4qz VSPJHNbcO33USpFkL/q9Adz8H03Zhlk0Q3tIsXazE/d9+g8USW9+18mTPEORCn6mP9wx JF1xEietU5qPMMzExkFMe/Q1aL0hz7F5EL2rxl6sh3mclaE+XDHgej7K0aEcXF/fl2tQ k01DVC2W2dXjTDnptjKW/fRRstP2X41ql9tXQKTnmvbDl/QR3Of8lQuxNexFkTPbfVaN IERCN2JEGZC1Sp4Gw2tU8tbCM85A9E2bqYLC42pgd8r309b/27IP4+aWTujQPYJtuOE2 oWcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678707647; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uN7zwUTTarFdEEyI4xavpEstkRipyyWqLXdanEnFXps=; b=Qzaj6IHe9q7WuSVoQyhjdWnoJQbGA76QEuPyLn3F+vXsoGk8KEJuUxhGzzhfQghGBI q4b60sExNl8H1JR2sJWa1Yms/dSaX/0KMgiKfE5NLY/omrk4M0YN/RXECSCAmsgHEUj0 VtdZ2nNOFqqOmmPndv5IY9cFpeevSDZYNlBQom28r+oXwDiXVV7Cn26CuCYT4KRCKB9b sY6Si2nQVylNY9UfgD3EjrK55XRjd96+IRUcOrwoPPDuksozjHr2hwn+LQXhUguz5iqn QQCwcA08ZUkEP1LC7y8bKLvqXnk2rVCQdujPv6uNwfPbleZeBVv91LCTBJ1SOI+yELRG wMWg== X-Gm-Message-State: AO0yUKXalomdfTV3QO50htzoH9hj6PqZsl0AY70Fry+vrUigT1r+SmE/ hv9Da4ZVPL5bu+kKBWcp1fq72Q== X-Google-Smtp-Source: AK7set9XabVkPC0XB7oQedZ03RgD/a3sbthW1LOnLfUx8dkqc7s8K45x5xD5S1HL2sqJ+GK0fRCdqQ== X-Received: by 2002:a17:90a:ec13:b0:23d:9ae:a49a with SMTP id l19-20020a17090aec1300b0023d09aea49amr2896119pjy.30.1678707647136; Mon, 13 Mar 2023 04:40:47 -0700 (PDT) Received: from leoy-huanghe.lan ([156.59.236.112]) by smtp.gmail.com with ESMTPSA id q21-20020a17090a2e1500b0022335f1dae2sm4281625pjd.22.2023.03.13.04.40.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Mar 2023 04:40:46 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Jiri Olsa , Namhyung Kim , Ian Rogers , John Garry , James Clark , Adrian Hunter , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan Subject: [PATCH v4 02/16] perf kvm: Add pointer to 'perf_kvm_stat' in kvm event Date: Mon, 13 Mar 2023 19:40:04 +0800 Message-Id: <20230313114018.543254-3-leo.yan@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230313114018.543254-1-leo.yan@linaro.org> References: <20230313114018.543254-1-leo.yan@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Sometimes, handling kvm events needs to base on global variables, e.g. when read event counts we need to know the target vcpu ID; the global variables are stored in structure perf_kvm_stat. This patch adds add a 'perf_kvm_stat' pointer in kvm event structure, it is to be used by later refactoring. Signed-off-by: Leo Yan Reviewed-by: James Clark --- tools/perf/builtin-kvm.c | 6 ++++-- tools/perf/util/kvm-stat.h | 5 +++-- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 0172e5b0d26e..3d2560ec6b37 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -209,7 +209,8 @@ static bool kvm_event_expand(struct kvm_event *event, i= nt vcpu_id) return true; } =20 -static struct kvm_event *kvm_alloc_init_event(struct event_key *key) +static struct kvm_event *kvm_alloc_init_event(struct perf_kvm_stat *kvm, + struct event_key *key) { struct kvm_event *event; =20 @@ -219,6 +220,7 @@ static struct kvm_event *kvm_alloc_init_event(struct ev= ent_key *key) return NULL; } =20 + event->perf_kvm =3D kvm; event->key =3D *key; init_stats(&event->total.stats); return event; @@ -238,7 +240,7 @@ static struct kvm_event *find_create_kvm_event(struct p= erf_kvm_stat *kvm, return event; } =20 - event =3D kvm_alloc_init_event(key); + event =3D kvm_alloc_init_event(kvm, key); if (!event) return NULL; =20 diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h index 6f0fa05b62b6..40a4b66cfee6 100644 --- a/tools/perf/util/kvm-stat.h +++ b/tools/perf/util/kvm-stat.h @@ -24,10 +24,13 @@ struct kvm_event_stats { struct stats stats; }; =20 +struct perf_kvm_stat; + struct kvm_event { struct list_head hash_entry; struct rb_node rb; =20 + struct perf_kvm_stat *perf_kvm; struct event_key key; =20 struct kvm_event_stats total; @@ -44,8 +47,6 @@ struct kvm_event_key { key_cmp_fun key; }; =20 -struct perf_kvm_stat; - struct child_event_ops { void (*get_key)(struct evsel *evsel, struct perf_sample *sample, --=20 2.34.1