From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 152C23AD52A for ; Tue, 21 Apr 2026 23:16:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776813419; cv=none; b=hdNdwdL7zhkMs079jMYE4tKKqrrmHXeAUL9C6N5yAigTxe6gK0r344jZINfs94T9Yc5qrG9m4mwA+UC9od/ha8qnfKyS4u+OK2yxmbTs4QI60SdSupGzBwb01hVY0noPF6tK2PkpZ6PmviZIxRa9hogJyly2tpo13HED4cx4F9g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776813419; c=relaxed/simple; bh=K4oblVxbLsa3ReDelDhoO6oidaGRvwz363e3TzmP1Sg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=OocVw5m31pyextuVc9SOM+4QJDYJ/sG77lnDHeu9jJsF8c+BK5P5cn6/sGLceRmtUPbs6Z4vR7mJEt33hQVeVVF+AWT00mwwnrVD3ouLPSO07A5R4RII5FrpJ7yITqqZDGA9/yVnXduyw8qvEF4T2dYCcQXZambWUpxwvcseNEo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jrhilke.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=EIkDv/06; arc=none smtp.client-ip=209.85.214.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jrhilke.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="EIkDv/06" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2b249541063so42235505ad.3 for ; Tue, 21 Apr 2026 16:16:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1776813417; x=1777418217; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=SQJuWQWeKvWQ1t9FOH2/ql11UsyDycLC+YlBZYKm6T4=; b=EIkDv/06T3w0FWGFfgXCxfH+p7YgmwVvGBZMLrT3GMHR+ORDO6QHTNqdQ3Gk87MdXT y8JC0WNwQHNpZF/kRbP8xDmkeYRifP6VC2tk4ByDZbWVGGHPhD7jRlTRR11B5rfRko/n 4eB5EmnYaMfBvAPxhoLokEQgegqN64wNCIsW2rzmPQqdTFKZqCZEsscnP7cSv67NYEfw M0niRWVZHbbbJmaEBJHiPEDBrYnV2ZjAoMhg0xBS3hs3ZEsXqLbQ9gyoY48c/iNx+wVZ foMfKE97ZwP+9IRuHhdQaZhPaacCYsl8DtGTJUNOozlSc0wMOW4ccBNswbPPQilKN+Td MYAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776813417; x=1777418217; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=SQJuWQWeKvWQ1t9FOH2/ql11UsyDycLC+YlBZYKm6T4=; b=geRzLPrkYWPRuseE2x/ud+GguY/aLfU3xH75xUkyMuRV10BAsJBn7TfGhQnserkwT4 nG/4510mhiVUp+1/Fxx+MRpJlp/mYmxFyYyfVHDBf46Ktj3zKr6L5/X/iZGqio+cUK6i T2V77B8C0IsAX0HlbKUKNiAZWii52+t+tv65+McbhidoDI1GUKFvupBvFnBbFqAjJF3E 408CuBoaWUkKFWdXTtpMov7MGgSR93xRytItAiuQntVktDiHl5keaNty0Vhz7XbIzUAI yK3NxraohWQlCDoqoNRIqYTYhYrXYRnnuYcN8GXbc8vSajuG74IVm258l2k5CnfDEaXy LBEA== X-Forwarded-Encrypted: i=1; AFNElJ8yd7C7RqDP76uzBF6ycMzZQSiGMOMigdVWnF9H4BaZw04boDV00HmyBwq4V7uVutm9B5MWsmOukFgQ+iI=@vger.kernel.org X-Gm-Message-State: AOJu0YzY2GdVK4QiIrv4RJ5bhbpZDYAbPhM4PWRRUZvWln9YugJWR2uy Vi0SmQOL8+Svgg9SYeAAS/gbBPwwn+FxrJiUvUJtW1nv07/FBmDxQR0hWlsTsANgJf57gztLBFE t5yEMDcu5 X-Received: from plbll16.prod.google.com ([2002:a17:903:910:b0:2b0:ba5a:1fe]) (user=jrhilke job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:d30b:b0:2b0:673a:7c90 with SMTP id d9443c01a7336-2b5f9f50051mr144478315ad.28.1776813417298; Tue, 21 Apr 2026 16:16:57 -0700 (PDT) Date: Tue, 21 Apr 2026 23:15:56 +0000 In-Reply-To: <20260421231557.1254270-1-jrhilke@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260421231557.1254270-1-jrhilke@google.com> X-Mailer: git-send-email 2.54.0.rc2.533.g4f5dca5207-goog Message-ID: <20260421231557.1254270-16-jrhilke@google.com> Subject: [PATCH v3 15/16] KVM: selftests: Configure number of vCPUs From: Josh Hilke To: Paolo Bonzini , Sean Christopherson Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, David Matlack , Alex Williamson , Josh Hilke Content-Type: text/plain; charset="UTF-8" From: David Matlack Add a '-v' flag to tools/testing/selftests/kvm/irq_test.c to allow users to configure the number of vCPUs to run in the test. Co-developed-by: Josh Hilke Signed-off-by: Josh Hilke Signed-off-by: David Matlack --- tools/testing/selftests/kvm/irq_test.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/irq_test.c b/tools/testing/selftests/kvm/irq_test.c index 43338eb3ab41..6fd082d37f9a 100644 --- a/tools/testing/selftests/kvm/irq_test.c +++ b/tools/testing/selftests/kvm/irq_test.c @@ -139,7 +139,7 @@ static void kvm_clear_gsi_routes(struct kvm_vm *vm) static void help(const char *name) { - printf("Usage: %s [-a] [-b] [-c] [-d ] [-h] [-i nr_irqs] [-m] [-n]\n", name); + printf("Usage: %s [-a] [-b] [-c] [-d ] [-h] [-i nr_irqs] [-m] [-n] [-v nr_vcpus]\n", name); printf("\n"); printf("Tests KVM IRQ injection via irqfd using an emulated eventfd.\n"); printf("-a Randomly affinitize the device's host IRQ to different physical CPUs throughout the test\n"); @@ -149,6 +149,7 @@ static void help(const char *name) printf("-i The number of IRQs to generate during the test\n"); printf("-m Pin vCPU threads to random physical CPUs throughout the test\n"); printf("-n Deliver 50 percent of IRQs as non-maskable interrupts\n"); + printf("-v Number of vCPUS to run\n"); printf("\n"); exit(KSFT_FAIL); } @@ -182,7 +183,7 @@ int main(int argc, char **argv) struct iommu *iommu; struct kvm_vm *vm; - while ((c = getopt(argc, argv, "abcd:hi:mn")) != -1) { + while ((c = getopt(argc, argv, "abcd:hi:mnv:")) != -1) { switch (c) { case 'a': irq_affinity = true; @@ -205,6 +206,9 @@ int main(int argc, char **argv) case 'n': use_nmi = true; break; + case 'v': + nr_vcpus = atoi_positive("Number of vCPUS", optarg); + break; case 'h': default: help(argv[0]); -- 2.54.0.rc2.533.g4f5dca5207-goog