From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f49.google.com (mail-ed1-f49.google.com [209.85.208.49]) (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 D5EBE221DB2 for ; Wed, 25 Jun 2025 12:23:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750854241; cv=none; b=jPUo9cxohuTwAT/FpG3/LV01u7p6iIZk9gKTWO2jElJiJLhCxq7znPuphJUuKgjX6nJOKuFFC0DycbkDRvr9kZpF9j5EJdnAStfHuC5byQa5xhieBbSIsWWhEZhgH5jyEPdtvm1wTVOhks8ng2V0hScdcYFhqzskvxNO/zlmfdo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750854241; c=relaxed/simple; bh=xmSnW1cC18I65V8Rr/YREGR0HrXK8UVmpCU4mDKH5c0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IBE3JCfczViHXCMcgzyKOGPoGkjKwbwpc0J5n2/Oau+GVKtu+Wj9H741PZu/nMxsL4qHIU6d/zgUVaiQXjb2PoepeK5NzBU/QIrGa/dyeew4rjctO2hv6ABi3t/YZlqUVmysjvhHXydDKcgW6EZMj/sX/zYd0+UBcpXBGUyuaow= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.208.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ed1-f49.google.com with SMTP id 4fb4d7f45d1cf-606b58241c9so10336629a12.3 for ; Wed, 25 Jun 2025 05:23:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750854238; x=1751459038; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=VAf/sCOal49NK3XTX4yN9mD4BrqJ7MOzywbMZOZFhSo=; b=OSYtGii05tCo+8qZQtmo6dnbAzqmscFBwHOryUvK9Cc9kG6OSGh5CA7mIrr03+9OZ5 qSmN8TwpHBN1gYnkY4hAYygMf6TZVnUBvBHH/WifSmXHhNE1b2EUvAekq70yDWOcuYOa nEk6RVN9SPqAVL43R9XvrzuRrxCzm4zYrPcNQoq5ISiq3bhl/5Jwi/DfWxlg0TgS7Whx Pn+5Zawp8+2O7GyCPWIYMteOJeRNO2tH0nEIlsPINjG43wlFJJBYQsMjgFCuLtDlb7Vb nLqBYRkA4G1s1GoSEy+10gFH7GrykoGeGkt1n/oe6l0SV8O+RivZZZbPmBzmTpQU/pYK lIvg== X-Forwarded-Encrypted: i=1; AJvYcCVeSJ7ZTcQbozvLwnu9NJ7HdffTVYMlFiE6FMvtrf+9PqFB4r5P6cvN9lXsPSg1ww7RSGKT/w0=@vger.kernel.org X-Gm-Message-State: AOJu0YzjuFMiYHAneHm7BdSiJFT0+mQvl8q66gm9pqNfeEdjd4cnXKXv zEdL6l9bX8nuJBgGmvbIUq/MGSQisF3SMcvLkGi49dbFBLwW5epEhhMP X-Gm-Gg: ASbGncuEmUsevUfKcC1QvmC1V4CP4n0PlG+C6pFAtwScNFhG66EZZo6x5DARWt8Mvw4 pQtNZOJqt/FlvHA+Un6amJGZun5KafZWL7Tq1V0n9ZcFhtaC0r7izY1bqrz4S15IE4XzpCxR9N9 +G4d385dmf75gYm1Gd6i/O+PEM2K5XeZHr6IuCCLdELnfXBPeZt4OaEaTxkzgaDyEtTGvzmuJi7 UX1CI2DYpe1d/a1GE41/Vv/No5VO0rrhU+CjdoYR0UMPCuw5yfyRggOQ9s/jXgVXl5zzB2yMTRS W2YIOzx5IDMV+vH4gxfXz2cntAfIihGu32wJv8F6UomaNcZYpsS6 X-Google-Smtp-Source: AGHT+IF3AsACXcG1nt9VpqWj5H44JplgBRSlyWhjFSfl5Gponwkj8yWkS/VKLObQFNC3Xs6OjDWS6g== X-Received: by 2002:a17:906:1651:b0:ad9:982f:9206 with SMTP id a640c23a62f3a-ae0bea7ecacmr231645566b.61.1750854237775; Wed, 25 Jun 2025 05:23:57 -0700 (PDT) Received: from gmail.com ([2a03:2880:30ff:3::]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae054209a80sm1056705366b.176.2025.06.25.05.23.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jun 2025 05:23:57 -0700 (PDT) Date: Wed, 25 Jun 2025 05:23:54 -0700 From: Breno Leitao To: Jakub Kicinski Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, donald.hunter@gmail.com, sdf@fomichev.me, almasrymina@google.com, dw@davidwei.uk, asml.silence@gmail.com, ap420073@gmail.com, jdamato@fastly.com, dtatulea@nvidia.com, michael.chan@broadcom.com Subject: Re: [RFC net-next 21/22] selftests: drv-net: add helper/wrapper for bpftrace Message-ID: References: <20250421222827.283737-1-kuba@kernel.org> <20250421222827.283737-22-kuba@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250421222827.283737-22-kuba@kernel.org> On Mon, Apr 21, 2025 at 03:28:26PM -0700, Jakub Kicinski wrote: > bpftrace is very useful for low level driver testing. perf or trace-cmd > would also do for collecting data from tracepoints, but they require > much more post-processing. > > Add a wrapper for running bpftrace and sanitizing its output. > bpftrace has JSON output, which is great, but it prints loose objects > and in a slightly inconvenient format. We have to read the objects > line by line, and while at it return them indexed by the map name. > > Signed-off-by: Jakub Kicinski FYI: I've stolen this patch and send as part of my netpoll test patchset: https://lore.kernel.org/all/20250625-netpoll_test-v2-1-47d27775222c@debian.org/