From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id C1A1048C36; Fri, 5 Dec 2025 21:16:27 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 27FA840656; Fri, 5 Dec 2025 21:15:58 +0100 (CET) Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) by mails.dpdk.org (Postfix) with ESMTP id 300DD40651 for ; Fri, 5 Dec 2025 21:15:57 +0100 (CET) Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-477b198f4bcso21371675e9.3 for ; Fri, 05 Dec 2025 12:15:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1764965757; x=1765570557; darn=dpdk.org; 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=Em9xfpoWR/4OoAagxdlQwSlaYckBjg8U0t/YUSUD40w=; b=zLzwhqsaFMjgk1fxwF4xE3QcxFTjue8jRKYUgbH4GArueNquv39+PNUnf/JsUdq3xC XIXTmZJPSKge0xzOCIyvUHDLh7857T4MCSqF0Q56Gkj4Oq/Ekqygo0DW79kvACeLfe8B k0R/wHHsUzXKgLNhf7aR8hUDiQkABi/G3QHsncn1JRA0u4JvyRscik+IYkCEme+81j/F BhfvbT/pRvU7VS7CUpbUcb5tzSJsGQi2ZR0BdXVP1bUZmRURMzuEbmoH7zj9bOx+7RS4 resXo9Ivi55lRX6wiUVemaGcJbPToh8q84XDWLNyab8IXfHuo7vgc0KcZ5aMBhBsnLPL Dnpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764965757; x=1765570557; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Em9xfpoWR/4OoAagxdlQwSlaYckBjg8U0t/YUSUD40w=; b=lJiPjyb5WGh9Dw54BEupgDAbUO7v5tbEae8oUf/tQnRZUVRab7fgtLjS6KFU0aaW76 iQPxvfQl9+frh7kxMFC/UvSSX56md3p5CMu+NEiS636Co2b+p5qoT1+ZZHJIIuJt8RuM 6Zgi62buEv6KQF43LL/4fqE+G9HkqVwwiEDS+q04J9RgXrmAE4UAhc5f1ZCzo1OOrjZK 0a+yvN6C3nkxynb5Vt9nInHtJQwDddsurtCtDN2S5DGD50oPcjYUfP9vur6l7y9xj89o Kzkvl5hH5AVXJumO0x66STHVDxyNV2T6owjfyclrYsA8fon3UoM0dkQpl1wDRHhqhD1b X6YQ== X-Gm-Message-State: AOJu0YzaTJT/1fHFq42aUT1v5ASFwfPiQgfv7y4gRgFZlhPv2okZfaMd jg7r9rE9ojkfOMxB6DtpCRL1wZOrV+mCRXh8pui9SiZJFKXbDa555uIVLnYUo1PT7OHAPx92DxD ZfZKn X-Gm-Gg: ASbGncu/L3sztZ1hxYxG6/GDcT6ZoGQgExgNB/Qc+NFdtOX2iBD/Uc/622L3dKEwuUo yOrUZ991/UgNlvgH3ABYiXGg8LIetFSA6s8Y/XaK8jhoedUsaBB/RWjaY4RdGTZbVoLtpGJjRoU NAxQ0emVTjo8Owu82Kwm9n0J0lJrDObKz59TAlMaEAX2qVxVV3ePxnD5BG98MUsV6wb05D+Uyu4 eYAjBh2hZgBHWmdn16J/JfpSE3lcsoOMWoYl2jO889uft2oDoXK4MjnepIWX+TPk0umQn8vWuNO socOjHuxrArbWQ8hQlZqvqsLGzbsBw1Z8suoWkmTJYdkxqduUZZo0d1jVh08A1WORsBMy7ddonZ 240AKwZO5VmJIrT2jf4o8HTMy3HFeDdua0DDuBfYufbEjLReJcTpKXp/IqxTJNRXKnciMXG/0KF wFIy29qvA5mo7x/fh+BVA+Wn949Go4uCwH9OAIog7kxFk463EM5Q== X-Google-Smtp-Source: AGHT+IEKAtDFzUvV0lZxZ+RKu6uBeZaMetIu3B/9wQrSDdzAw3XJanZFg+QvDv0p+z/3lr5R/pOMfQ== X-Received: by 2002:a05:600c:8b55:b0:477:3e0b:c0e3 with SMTP id 5b1f17b1804b1-47939e4d008mr4978195e9.32.1764965756717; Fri, 05 Dec 2025 12:15:56 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47935fce542sm45344875e9.0.2025.12.05.12.15.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Dec 2025 12:15:56 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Bruce Richardson Subject: [PATCH v3 07/16] eal: warn if thread name is truncated Date: Fri, 5 Dec 2025 12:11:36 -0800 Message-ID: <20251205201537.251131-8-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251205201537.251131-1-stephen@networkplumber.org> References: <20251205022948.327743-1-stephen@networkplumber.org> <20251205201537.251131-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Thread name is very short 16 characters and therefore the name dpdk-worker-%d will overflow with more than 9999 worker cores. Error should be non-fatal since name only matters for debug. Signed-off-by: Stephen Hemminger Acked-by: Bruce Richardson --- lib/eal/linux/eal.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c index b12f325ddd..d848de03d8 100644 --- a/lib/eal/linux/eal.c +++ b/lib/eal/linux/eal.c @@ -863,8 +863,10 @@ rte_eal_init(int argc, char **argv) rte_panic("Cannot create thread\n"); /* Set thread_name for aid in debugging. */ - snprintf(thread_name, sizeof(thread_name), - "dpdk-worker%d", i); + ret = snprintf(thread_name, sizeof(thread_name), "dpdk-worker%d", i); + if (ret >= RTE_THREAD_NAME_SIZE) + EAL_LOG(INFO, "Worker thread name %s truncated", thread_name); + rte_thread_set_name(lcore_config[i].thread_id, thread_name); ret = rte_thread_set_affinity_by_id(lcore_config[i].thread_id, -- 2.51.0