From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 BA8382D12EE for ; Wed, 10 Jun 2026 00:53:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781052838; cv=none; b=bNg64sJRiIDoNamn84iZe714n/woHKvFBbC0wgsJYFDaWOYWROttIB0YRpnvRFqxs6byh1sOMADJD+9riAe446ExB4H1sBE3vB12Fm8JHz7GzS5zW/ZZMFOqzmZh+bOzU4H7oRlecqSScAB590CzhgCt3xm6Fy2IqBpV1yf0pKE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781052838; c=relaxed/simple; bh=cK0u21533hQOp00QT4x7wZx/zixQd9DS3f8jAIahGlk=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=r3Wmnkf/mUrSHUEDI2cY1lKN6vCcwLMX4zvklmFSAqAc7yVuGd8XCeBBR9oVk8QyFqyjBa6z7ILSV+BzxkNwS53Rywc+Jt88KAIckR7gIMleTjkgaiDMR8g+4MD0T769O3SbKw45cPQAYETsuBxwZS5HOnDdPXOOhXcyX3yqyp4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=oDPZ6E/o; arc=none smtp.client-ip=209.85.214.201 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--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="oDPZ6E/o" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2bf3636d6c0so64595415ad.2 for ; Tue, 09 Jun 2026 17:53:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1781052836; x=1781657636; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=Tqxmpm7d/JaqIgSqRfX3CyBlzjwL6Mz/tL0QEbP+aa4=; b=oDPZ6E/oO5v2deA1PepCCxIwWTeeKl64QfMBsOXACodmeBTFU+Rl2Q0awN2ZxW3kPJ kAWP6Sf6mCgFnFtSogOGy5r4CX0N8VbYVxpW0YYt815aMFIIaCyqunXbZVm34SK8Z80L 9Dlg2seY27VAlnT4VkMzNUj6uF2/fh+3dwa3K8tJHnCWuLmCAjB72XlAdQzPV+2Fg1p4 CSx8xETlHorvmTN4WBzpeUl08zUQndGxk0kG/laH8D2CP1lrJj2P0JNWbNTBvQBIRqRx Y3b++Bd93cV0cWcx6gCrIR2VTUgmr8lZItQgrgIShVuzahbbiD3dSaa5TR2zJG4KtceO lK7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781052836; x=1781657636; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Tqxmpm7d/JaqIgSqRfX3CyBlzjwL6Mz/tL0QEbP+aa4=; b=caOS7XpEM+d70SlUN6TGOxU9f2mgmY/di702mbZ53/9I0NUImRDMwKYnnDvsz29n9E j1jCakMt7XVmg4IQHlOXZWkteRz9jK1/fkbdLemchwDqXY8usoNE9YiMxLRbgVBAmHy7 SrAGUa/WKAd8wKzS+jH7aon7FUxSMhQAwxPUs7jrIIQJlrBwvGfxewOi08ImpPsx1fBH W0/H+JpU98gK1jwDOvrOiba+ZVoh8Dpksm91QbtPbPQKEfMyLxCB+qYUx3b2c8FR9rGJ e0npZzHVZLoXjfBC922HETpRtmi+4ge6qU1cupIIGAcYygHNZiRyAaGb7M0bGYJP5vjB GEag== X-Forwarded-Encrypted: i=1; AFNElJ8q3wFSb1uoFJjPDbI0onjyJcsP34V2w96fZkarYzG/RymHEkUq4QDtBZpzVigqIflSU+uNQRh0nxPNhKE=@vger.kernel.org X-Gm-Message-State: AOJu0YzUuR4RlPBxe6q17/UqXggSIQQqeB06sXlWimfeerzq32J2gYGp HOna9+Z8ByfJAaLbyeWiKS7V783n5+ll8aEaeo/MUo4zvRkY9EO5S66tGbMpy5u8BQEJkTPZ6bX TmyxBag== X-Received: from plsa5.prod.google.com ([2002:a17:902:b585:b0:2bd:4f41:fbf4]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:c946:b0:2c2:5446:30dd with SMTP id d9443c01a7336-2c254463670mr157005975ad.7.1781052835786; Tue, 09 Jun 2026 17:53:55 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 9 Jun 2026 17:53:31 -0700 In-Reply-To: <20260610005338.2967132-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260610005338.2967132-1-seanjc@google.com> X-Mailer: git-send-email 2.54.0.1099.g489fc7bff1-goog Message-ID: <20260610005338.2967132-12-seanjc@google.com> Subject: [PATCH v6 11/18] KVM: selftests: Make number of IRQs configurable in IRQ test From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Sean Christopherson Cc: Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, David Matlack , Josh Hilke Content-Type: text/plain; charset="UTF-8" From: David Matlack Extend the eventfd IRQ test with a '-i' flag to let the user specify the the number of IRQs to generate (instead of hardcoding the test to always generate 1000 interrupts). Signed-off-by: David Matlack Co-developed-by: Josh Hilke Signed-off-by: Josh Hilke [sean: massage changelog] Signed-off-by: Sean Christopherson --- 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 2ad9efd9abc7..15791ba0a2f9 100644 --- a/tools/testing/selftests/kvm/irq_test.c +++ b/tools/testing/selftests/kvm/irq_test.c @@ -134,12 +134,13 @@ static const char *probe_iommu_type(void) static void help(const char *name) { - printf("Usage: %s [-a] [-d ] [-e] [-h] [-t iommu_type]\n", name); + printf("Usage: %s [-a] [-d ] [-e] [-h] [-i nr_irqs] [-t iommu_type]\n", name); printf("\n"); printf("Tests KVM interrupt routing and delivery via irqfd.\n"); printf("-a Affine the device's host IRQ to a random physical CPU\n"); printf("-d Use a VFIO device to send MSI-X interrupts instead of manually signaling the eventfd\n"); printf("-e Set empty GSI routing in-between some interrupts\n"); + printf("-i The number of IRQs to generate during the test\n"); printf("-t Override the IOMMU type to use (vfio_type1_iommu or iommufd)\n"); printf("\n"); exit(KSFT_FAIL); @@ -174,7 +175,7 @@ int main(int argc, char **argv) struct kvm_vm *vm; int irq, irq_cpu; - while ((c = getopt(argc, argv, "ad:eht:")) != -1) { + while ((c = getopt(argc, argv, "ad:ehi:t:")) != -1) { switch (c) { case 'a': irq_affinity = true; @@ -185,6 +186,9 @@ int main(int argc, char **argv) case 'e': set_empty_routing = true; break; + case 'i': + nr_irqs = atoi_positive("Number of IRQs", optarg); + break; case 't': iommu_type = optarg; break; -- 2.54.0.1099.g489fc7bff1-goog