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 2798B1B9B46 for ; Wed, 11 Sep 2024 20:30:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726086632; cv=none; b=b6xco69QLlEGZqN7EuS+wQ1zB2XfFIGLzE+8cCnB6X5nRbHltr7sKJrcpajuD0aSC6ZpC/j7eEs4B6LlSz4K8cinGhLo2SwPdOJlJjo+Ft0uGkkcX08pff3c4wxmiUycZk6RvCRiHckPQm80jHNc+DB42Ipfzy9PQ17OdmejBkE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726086632; c=relaxed/simple; bh=sKArP0iv7ydz3yZZcqe+lyIpwBxjqgB2ECOMgi8C0lA=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=tVqU2rMiFlJu8jBg3gr8QEFkjiUJXnA4zVIf4jdRvWnNTgNYzEp76VsjSjEcaR0D3M6HNtdWYgrb6hu1PzVcas9ghR9Ns+AwHhM3JUHWpsNo2Sb7Ubw4F6e3SAFYe5Caz3ryKpt6zQKj0j/c7mnf6K45ySNae7z7PxCcLQjYJ+o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IhubHLa9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IhubHLa9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9BDF5C4CECC; Wed, 11 Sep 2024 20:30:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726086630; bh=sKArP0iv7ydz3yZZcqe+lyIpwBxjqgB2ECOMgi8C0lA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=IhubHLa9nvR0Usny3SFEDAzsaOgS009CLeU7K0/TE8EyPK4++qLuLGWy8gshOnWR4 C+9hbOmn+iDyJRpaL1EX/hN6354swkLFw5yvlXpu/UHvHF7E6EZ60rsCQidOF/gQhC xPN23d71xaQAzcTlrn8DhxsDAdaJyVTNkPSsaVQFHwI6M2GU4zxHxCTqDjdcWxYaNi aWzxAkr1vPhaeBS31+v0NKfeiFqmFsdYU+20r6znyNxaBPAA1YKctlfGNociK2sZwf v0z+5NyJwZZ8SL4H4TedxzOskOCh2z4FjUlBvYc1ZUyFwGyfxJEYwPUB/Zcy6PpoVU +TxvhsJE0mBnw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id EB0043806656; Wed, 11 Sep 2024 20:30:32 +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 bpf-next v2] bpf: Use fake pt_regs when doing bpf syscall tracepoint tracing From: patchwork-bot+netdevbpf@kernel.org Message-Id: <172608663176.1037972.15071231307249153305.git-patchwork-notify@kernel.org> Date: Wed, 11 Sep 2024 20:30:31 +0000 References: <20240910214037.3663272-1-yonghong.song@linux.dev> In-Reply-To: <20240910214037.3663272-1-yonghong.song@linux.dev> To: Yonghong Song Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org, daniel@iogearbox.net, kernel-team@fb.com, martin.lau@kernel.org, salvabenedetto@meta.com Hello: This patch was applied to bpf/bpf-next.git (master) by Andrii Nakryiko : On Tue, 10 Sep 2024 14:40:37 -0700 you wrote: > Salvatore Benedetto reported an issue that when doing syscall tracepoint > tracing the kernel stack is empty. For example, using the following > command line > bpftrace -e 'tracepoint:syscalls:sys_enter_read { print("Kernel Stack\n"); print(kstack()); }' > bpftrace -e 'tracepoint:syscalls:sys_exit_read { print("Kernel Stack\n"); print(kstack()); }' > the output for both commands is > === > Kernel Stack > === > > [...] Here is the summary with links: - [bpf-next,v2] bpf: Use fake pt_regs when doing bpf syscall tracepoint tracing https://git.kernel.org/bpf/bpf-next/c/376bd59e2a04 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html