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Subject: Re: [PATCH v4 03/10] perf session: define bytes_transferred and
 bytes_compressed metrics
To:     Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
Cc:     Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Peter Zijlstra <peterz@infradead.org>,
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        Andi Kleen <ak@linux.intel.com>,
        linux-kernel <linux-kernel@vger.kernel.org>
References: <bb018a36-5249-ca6a-8e16-6afac442bae5@linux.intel.com>
 <914ab056-1488-2b05-8d2a-aa530c01d334@linux.intel.com>
 <20190228184724.GG9508@kernel.org>
From:   Alexey Budankov <alexey.budankov@linux.intel.com>
Organization: Intel Corp.
Message-ID: <4b6b1e87-b16f-5044-8ea1-615f86264101@linux.intel.com>
Date:   Thu, 28 Feb 2019 23:23:16 +0300
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On 28.02.2019 21:47, Arnaldo Carvalho de Melo wrote:
> Em Thu, Feb 28, 2019 at 12:02:09PM +0300, Alexey Budankov escreveu:
>>
>> Define bytes_transferred and bytes_compressed metrics to calculate
>> comp_ratio=transferred/compressed in the end of the data collection.
>>
>> bytes_transferred accumulates the amount of bytes that was captured from
>> the mmaped kernel buffers for compression. bytes_compressed accumulates
>> the amount of bytes that was received after applying compression to
>> move to a storage.
> 
> Where is the code that updates these metrics? Follow up patch?

Yes, it is in [PATCH v4 07/10], specifically, record__zstd_compress() function.

Thanks,
Alexey

<SNIP>