Date: Wed, 22 Oct 2014 16:17:55 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>, linux-kernel@vger.kernel.org,
        Robert Richter <rric@kernel.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Mike Galbraith <efault@gmx.de>, Paul Mackerras <paulus@samba.org>,
        Stephane Eranian <eranian@google.com>, Andi Kleen <ak@linux.intel.com>,
        kan.liang@intel.com, adrian.hunter@intel.com, acme@infradead.org
Subject: Re: [PATCH v5 12/20] x86: perf: intel_pt: Intel PT PMU driver
Message-ID: <20141022141755.GP12706@worktop.programming.kicks-ass.net>
References: <1413207948-28202-1-git-send-email-alexander.shishkin@linux.intel.com>
 <1413207948-28202-13-git-send-email-alexander.shishkin@linux.intel.com>
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On Mon, Oct 13, 2014 at 04:45:40PM +0300, Alexander Shishkin wrote:
> +/**
> + * struct pt_buffer - buffer configuration; one buffer per task_struct or
  - * cpu, depending on perf event configuration
  + *                    cpu, depending on perf event configuration
> + * @tables: list of ToPA tables in this buffer
> + * @first, @last: shorthands for first and last topa tables
> + * @cur: current topa table
> + * @nr_pages: buffer size in pages
> + * @cur_idx: current output region's index within @cur table
> + * @output_off: offset within the current output region
> + * @data_size: running total of the amount of data in this buffer
> + * @lost: if data was lost/truncated
> + * @head: logical write offset inside the buffer
> + * @snapshot: if this is for a snapshot/overwrite counter
> + * @stop_pos, @intr_pos: STOP and INT topa entries in the buffer
> + * @data_pages: array of pages from perf
> + * @topa_index: table of topa entries indexed by page offset
> + */
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