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 B34A6284690 for ; Sat, 30 May 2026 00:23:22 +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=1780100603; cv=none; b=vFXF5Xvn0eZ1ndy9NA8Mb5OnrB/VlmlCKeY0IcsqKiQVqyZjxsCjlCfxz5aVEmZqkqv4vfEusdFQPGC0dQGabVuThGnTTTDqR+pTKfHgfceVC9YYu3ZCzcKw8mXmOvz6gzegt//TImfzOcXEDVfRswGhD8sHciweCIytspsm+D0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780100603; c=relaxed/simple; bh=CzntHVhYNcZFHIR2nYlkFWCsxwV0/8XdJ0KvkXkba3k=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=jsdvpT8wKQmKjZlWVi9zFLRFIcRzNe8LCzeQdXWW0eSDTE/IyjM261uJXoF+9itbnlgFuaL43rk3fz9R+gh7U7EP5HZBxbUfbr1XMOaZCNIJjvtqGR77AYHmyX74LU6tpGCriRI4e+xspu0BB87oix8bX42VDRAPoPGI4/Tqxjk= 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=RnntGQkL; 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="RnntGQkL" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2bd6aeb3637so320423165ad.2 for ; Fri, 29 May 2026 17:23:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1780100602; x=1780705402; 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=lUIxYrcL+WMnprn9yvfqEMt/1FqlOjkjwhMsyvVweJc=; b=RnntGQkLq5eXQpz8IFXzAb6GbgkhenJ4j4cW4/oCnDPbucOXIhOFr+Dj3dQFEScq0M mIYIcqrplQfs6n1i7zRiCPy35UecEnjTTN2VgIxPBBpCK5DaOQSZxdMWu/LQoAvaNXaw pWV4kbnTtFnW54HZbJxRLhx0Gv8xOxycFXgrQyfI/Hp3+U3ZknU9it71OaWZFB3g/MCr 6gNu/xbCnowkKvx3w9Yn4sdmm5/GgDODcITavoS6kK58y33SaiUu8UD8atMUfeyeVmJ3 K6/BluOU6aSQfWpVBaJrDQw2acbS8kkJe00K2t04bJjg0g19EqqRDQUApdp2MbfYt+Te Wt3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780100602; x=1780705402; 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=lUIxYrcL+WMnprn9yvfqEMt/1FqlOjkjwhMsyvVweJc=; b=GxLVSwAW1rfCLMIyeiHkaIOlsJEO6K5i+1eOzVbDmXdN1RwqRdWn7+CPWuxoKJ4P5Z Kj3F6DnZ8zAVI+/eIRF7L4lzmzMkHSX36PtcXKcSHA2WY+gX/Hk1p2Cb8SYbPXXwK8IQ 0pRUqfU077vQ3lbM6XVrJ10DMqXuTM4CAHmE9gGNQdTICZsI4eScuRScT9E9e/K6IctU oPrf8J4sXccWPs4oYix7/xgZ33dt69IvY6d7ll8weBIjbsBe5to0zjSZeFJ0UsqPfmww TDmQzvJWJHybXT0whUAdlPrYvjlEpxjGAWqwRZAYBeiDnlrMv/a2qvoYBjtoQJ9qONd5 R1oQ== X-Forwarded-Encrypted: i=1; AFNElJ+wRVgH+nV71U/lmBCMSt2SuV3R/CFO37d5R1Q4LdVQsRAgHv0xuvn+0PIcqDr8TXMUxHVXg5ZJRud3fYo=@vger.kernel.org X-Gm-Message-State: AOJu0Ywh6gLQ992R3UzOMJjVQSRHiKbAb9vdHcGJez/NbMgT9poThiUS xtOXsV0GQ8lu4uaD64sILtJnuRVmeIOPuNBngz1JoAaNWkvT5QYgJA5BIUSGjHmq6WIeAoP6w29 oZM91wOOk X-Received: from plbks11.prod.google.com ([2002:a17:903:84b:b0:2bf:bf7:6205]) (user=jrhilke job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:e543:b0:2bd:8395:fed8 with SMTP id d9443c01a7336-2bf36851283mr22803535ad.27.1780100601981; Fri, 29 May 2026 17:23:21 -0700 (PDT) Date: Sat, 30 May 2026 00:21:26 +0000 In-Reply-To: <20260530002134.558837-1-jrhilke@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260530002134.558837-1-jrhilke@google.com> X-Mailer: git-send-email 2.54.0.929.g9b7fa37559-goog Message-ID: <20260530002134.558837-12-jrhilke@google.com> Subject: [PATCH v4 11/19] KVM: selftests: Make number of IRQs configurable in IRQ test 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 72b9106216ed..e79b66c050ff 100644 --- a/tools/testing/selftests/kvm/irq_test.c +++ b/tools/testing/selftests/kvm/irq_test.c @@ -123,13 +123,14 @@ 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); } @@ -162,7 +163,7 @@ 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; @@ -176,6 +177,9 @@ 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]); -- 2.54.0.929.g9b7fa37559-goog