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Date:   Tue, 12 Feb 2019 14:08:16 +0100
From:   Jiri Olsa <jolsa@redhat.com>
To:     Alexey Budankov <alexey.budankov@linux.intel.com>
Cc:     Arnaldo Carvalho de Melo <acme@kernel.org>,
        Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Andi Kleen <ak@linux.intel.com>,
        linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/4] perf record: implement -z=<level> and
 --mmap-flush=<thres> options
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On Mon, Feb 11, 2019 at 11:22:38PM +0300, Alexey Budankov wrote:

SNIP

> diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
> index d96eccd7d27f..0e14884f28b2 100644
> --- a/tools/perf/util/session.h
> +++ b/tools/perf/util/session.h
> @@ -35,6 +35,8 @@ struct perf_session {
>  	struct ordered_events	ordered_events;
>  	struct perf_data	*data;
>  	struct perf_tool	*tool;
> +	u64			bytes_transferred;
> +	u64			bytes_compressed;

please add those in separate patch, so we can see how they are
incremented and displayed easily

thanks,
jirka