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 C01F41756A for ; Fri, 14 Jun 2024 16:30:47 +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=1718382647; cv=none; b=Gkqq5Gd2ctvI9tXqjwEQ0EXUh5yiNPo0sgFfzfbpJ7vBOhfiZ6T6ttq7Tk+viK1mgUG9rxblPB9G2jD7i3zgOccoXGI2lmxS4fn8FjHJOWiHqN3bFJuJGJwLp7V86V6So2KYkwAUTc7z8AmquxYJZX8xi9Swl7ioYfdck/v3V8g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718382647; c=relaxed/simple; bh=NP/w9eF1odFhNih4JuDBdoZkpi6HfrXoTgiTK2coqdY=; h=Message-ID:Date:From:To:Cc:Subject; b=bZ1+5/kG6vjCKa9vzK69e2lJCoupQK9w2RautUsQyA1jn39UWeI9mho7GWVHIZ0phrHDG16XgVUoWuJhdFL6+oymTKOjRVFYcn5Bl1fGjXWANloolp64D39eKgBO37GIDQXtffVVS7pY5rD9422458jGk39Dk6C14PwyrZoNkWI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 697DAC2BD10; Fri, 14 Jun 2024 16:30:47 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.97) (envelope-from ) id 1sI9pW-00000001roz-1Q7d; Fri, 14 Jun 2024 12:31:10 -0400 Message-ID: <20240614163015.456541709@goodmis.org> User-Agent: quilt/0.68 Date: Fri, 14 Jun 2024 12:30:15 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton Subject: [for-next][PATCH 00/13] tracing/ring-buffer: Persistent traces across a reboot or crash Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git ring-buffer/for-next Head SHA1: a62b4f6fbdffa8e90959da485b68f844241d300f Steven Rostedt (Google) (13): ring-buffer: Allow mapped field to be set without mapping ring-buffer: Add ring_buffer_alloc_range() ring-buffer: Add ring_buffer_meta data tracing: Implement creating an instance based on a given memory region ring-buffer: Add output of ring buffer meta page ring-buffer: Add test if range of boot buffer is valid ring-buffer: Validate boot range memory events tracing: Add option to use memmapped memory for trace boot instance ring-buffer: Save text and data locations in mapped meta data tracing/ring-buffer: Add last_boot_info file to boot instance tracing: Handle old buffer mappings for event strings and functions tracing: Update function tracing output for previous boot buffer tracing: Add last boot delta offset for stack traces ---- Documentation/admin-guide/kernel-parameters.txt | 9 + include/linux/ring_buffer.h | 20 + kernel/trace/ring_buffer.c | 878 +++++++++++++++++++++--- kernel/trace/trace.c | 242 ++++++- kernel/trace/trace.h | 10 +- kernel/trace/trace_output.c | 12 +- 6 files changed, 1056 insertions(+), 115 deletions(-)