From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <ak@linux.intel.com>
Subject: Re: perf memory metrics on ec2 instance
Date: Sun, 07 Jan 2018 21:09:30 -0800
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        (Dmitry Dolgov's message of "Sun, 7 Jan 2018 16:37:11 +0100")
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To: Dmitry Dolgov <9erthalion6@gmail.com>
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Dmitry Dolgov <9erthalion6@gmail.com> writes:

>> On 4 January 2018 at 00:36, Andi Kleen <ak@linux.intel.com> wrote:
>>
>> perf mem requires PEBS.  PEBS is currently not supported in VMs. You
>> should let Amazon know that you need it though, so it could be possibly
>> implemented.
>
> Thanks for the explanation. Is there any alternative way to get memory
> counters? If I need to know only how many times an event appeared, can I do
> more or less the same with perf stat -e 'counter_name' without PEBS support?

Counting these events should work if the PMU is enabled. I believe you
need a special setup in AWS to get the PMU enabled though.

-Andi