From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (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 C238A3AB283 for ; Tue, 21 Apr 2026 23:16:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776813410; cv=none; b=Y6Igr+259Wa8GihGkFei7jFHq7GCZ2ZlW/biVQ9L/6Q8Hm1J0kXlu+TSoTUonQXw8oQx00TmIq4o/nFmUTZC6RoejmtJrrHL/uhikd6CWWK9im324yC2SqcBRwn2UGyoZCf11VgCVrQuq5TXEfNev5wIh5gRWxBmZxUgqEPw0co= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776813410; c=relaxed/simple; bh=z4KA4UWM92jjfxtHQPN575snD6HXnmh/mKbX6lBYV2A=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=oNoN7j3LY7TaYEoGkujQmmKObHIBonp/ybaJfu7DIg5bO4C7vyZDMyQTYoakF+3CECbJGUdJ7lGplj6I2dKhZuW4/qE1ywEPsAvUi5m22s7u25PTz8MhbOZJTi0Ou4QosTFVbbvFXX4X2F2rwWCmo2Wxx7Z97e+tKU+NOx0dl1c= 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=qBJpFOAT; arc=none smtp.client-ip=209.85.215.202 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="qBJpFOAT" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-c7977177675so2289585a12.0 for ; Tue, 21 Apr 2026 16:16:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1776813408; x=1777418208; 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=8Rl3LVSl1i629teB1CXV9HY8yLMHHbg5TN8orqOqz/c=; b=qBJpFOATL8hHmLt6GiC3Zn7LRQrExtnFceIOkbGKYJJvrjNQ7YT0tvUkLHQUCLCGcz trBw6q6vLOvuMvPGakLjtjGfYCykuygn5WwuDkkl1EjF9dShRmGI6d4U4MhrAuwAwcZO DqX2QMveEz+oWLtFc3a3jAnfSmca2Mp5ElRlTKpYzar0EpVcOPnu5MGNOdq4g/MmJMMk CWMZ8aeYWeNI5meeud6+D67j4JmID5Eyf4+k0LvlnfHYjXJA2rt79BlHIZuMuUdw+lIm xDUqLz3rI1UFz2XBg6Riei36aXr3HGfw3DcgouVAiOi3Lqyytwl5N4aSLraPDJTii/Kl 9G8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776813408; x=1777418208; 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=8Rl3LVSl1i629teB1CXV9HY8yLMHHbg5TN8orqOqz/c=; b=nDI07j9qMqdN8x8w636sa7T1e7j6NDqVmEuW750CdFuO7LU2wNuN/DucsRIpVtn98q nFX+MmpB9rHyF7G7g6Yc8vFjgLpRD+9Ky85vIQqBfVtWmCMN4e036fNM3ZtXHF8AdCu2 YC2VEQ+9uZu/xGUO2365RBHmYjVyjdxOHgBMC2wOwwMgSRq0223WQb3k/I5WFdBxUjzu Op0Fk+EKcXKlZPnZqIiLTncIP0ticLSlsBdzF9+L/hr9RCUayu2wRm1GzdBAJmyFX6wY T4Cs2lOIwkBsTSeplHX04YUzA/DI4gugnpRCjLTWjnzDFqTqaRNLzG1m7/Nz6e1xnDJ5 iJvA== X-Forwarded-Encrypted: i=1; AFNElJ9x1aW3Zr4NWkO0Rlcq/Q68LIidYbppwIL3OVt53rW2ueeloE1UhnZnayv+57rMTmMPeKENzX1Fz2uBvT8=@vger.kernel.org X-Gm-Message-State: AOJu0Yzp6Mw++hgTeJFfP306JCB2N/K5Zp4N1uJxhnegAp8FJInw9Ju6 SsmVWfqIpAYE3bFDF/BYe4lk0NcWxRnkVDqIbH5fGLfbOAfPr/WzyxU1Y7inmS77dwhSGLj712s QTVlnsKB4 X-Received: from pffx16.prod.google.com ([2002:aa7:93b0:0:b0:82f:af01:3a8e]) (user=jrhilke job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:158a:b0:39b:abdc:4215 with SMTP id adf61e73a8af0-3a08d68e0e4mr22152147637.10.1776813408030; Tue, 21 Apr 2026 16:16:48 -0700 (PDT) Date: Tue, 21 Apr 2026 23:15:52 +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: <20260421231557.1254270-12-jrhilke@google.com> Subject: [PATCH v3 11/16] KVM: selftests: Configure number of IRQs 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 '-i' flag to tools/testing/selftests/kvm/irq_test.c to allow users to specify the number of IRQs generated during a test run. 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 3671f5ce4cc8..9efb7e655623 100644 --- a/tools/testing/selftests/kvm/irq_test.c +++ b/tools/testing/selftests/kvm/irq_test.c @@ -120,13 +120,14 @@ static void kvm_clear_gsi_routes(struct kvm_vm *vm) static void help(const char *name) { - printf("Usage: %s [-a] [-b] [-c] [-d ] [-h]\n", name); + printf("Usage: %s [-a] [-b] [-c] [-d ] [-h] [-i nr_irqs]\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"); printf("-b Block vCPUs (e.g. HLT) instead of spinning in guest-mode\n"); printf("-c Destroy and recreate KVM's GSI routing table in between some interrupts\n"); printf("-d Use a VFIO device to send MSI-X interrupts instead of using an emulated eventfd\n"); + printf("-i The number of IRQs to generate during the test\n"); printf("\n"); exit(KSFT_FAIL); } @@ -159,7 +160,7 @@ int main(int argc, char **argv) struct iommu *iommu; struct kvm_vm *vm; - while ((c = getopt(argc, argv, "abcd:h")) != -1) { + while ((c = getopt(argc, argv, "abcd:hi:")) != -1) { switch (c) { case 'a': irq_affinity = true; @@ -173,6 +174,9 @@ int main(int argc, char **argv) case 'c': clear_routes = true; break; + case 'i': + nr_irqs = atoi_positive("Number of IRQs", optarg); + break; case 'h': default: help(argv[0]); -- 2.54.0.rc2.533.g4f5dca5207-goog