From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF10C224DF for ; Fri, 13 Oct 2023 23:00:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AU871qmM" Received: by smtp.kernel.org (Postfix) with ESMTPS id 3EAEAC433C9; Fri, 13 Oct 2023 23:00:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697238025; bh=kJnbQgXK7RKgNaW35oPGIpdwdf8c5n/5J9m3sbU+gzk=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=AU871qmMcCw7kFnj+GnkjDRSVZ60j7Fnbo+mvT5F2MINycf1o7g2ARjooyzurT7PS uD3c+Usu/Mo/pnGHYSJRzgSXIQ5fWxXgw6M0kDqsjk6+Kdu4VIgHvM9Vxs2NPbc7Ye UWkaYG7RPjHkg1YSwqTzynyHySYrdXs4H0JXOdlLA6bO77uliqNhMQHke13Uk6nWX6 X4GILBpSy+HcRolTdFHb55PgdF47lEVw0JEx1VivIDNzH8OKStnQLGPeb8iXC5ixLB cXB4IXpXFXigj882CqewwhM89KYH/VC6AAnM9QPnIsnmvmtQWmYC71Zg4StNCert3e LNqYoqZcdekLA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 1C4F3E1F666; Fri, 13 Oct 2023 23:00:25 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v7 bpf-next 0/5] Open-coded task_vma iter From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169723802511.13796.5689188744998758174.git-patchwork-notify@kernel.org> Date: Fri, 13 Oct 2023 23:00:25 +0000 References: <20231013204426.1074286-1-davemarchevsky@fb.com> In-Reply-To: <20231013204426.1074286-1-davemarchevsky@fb.com> To: Dave Marchevsky Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@kernel.org, kernel-team@fb.com Hello: This series was applied to bpf/bpf-next.git (master) by Andrii Nakryiko : On Fri, 13 Oct 2023 13:44:21 -0700 you wrote: > At Meta we have a profiling daemon which periodically collects > information on many hosts. This collection usually involves grabbing > stacks (user and kernel) using perf_event BPF progs and later symbolicating > them. For user stacks we try to use BPF_F_USER_BUILD_ID and rely on > remote symbolication, but BPF_F_USER_BUILD_ID doesn't always succeed. In > those cases we must fall back to digging around in /proc/PID/maps to map > virtual address to (binary, offset). The /proc/PID/maps digging does not > occur synchronously with stack collection, so the process might already > be gone, in which case it won't have /proc/PID/maps and we will fail to > symbolicate. > > [...] Here is the summary with links: - [v7,bpf-next,1/5] bpf: Don't explicitly emit BTF for struct btf_iter_num https://git.kernel.org/bpf/bpf-next/c/f10ca5da5bd7 - [v7,bpf-next,2/5] selftests/bpf: Rename bpf_iter_task_vma.c to bpf_iter_task_vmas.c https://git.kernel.org/bpf/bpf-next/c/45b38941c81f - [v7,bpf-next,3/5] bpf: Introduce task_vma open-coded iterator kfuncs https://git.kernel.org/bpf/bpf-next/c/4ac454682158 - [v7,bpf-next,4/5] selftests/bpf: Add tests for open-coded task_vma iter https://git.kernel.org/bpf/bpf-next/c/e0e1a7a5fc37 - [v7,bpf-next,5/5] bpf: Add BPF_KFUNC_{START,END}_defs macros (no matching commit) You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html