linux-kernel - Re: [PATCH v0 1/2] perf: Copy parent's address filter offsets on clone

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Message-ID: <87d0nkc77p.fsf@ashishki-desk.ger.corp.intel.com>
Date:   Fri, 22 Feb 2019 14:56:26 +0200
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        jolsa@...hat.com, Mansour Alharthi <malharthi9@...ech.edu>,
        acme@...nel.org
Subject: Re: [PATCH v0 1/2] perf: Copy parent's address filter offsets on clone

Arnaldo Carvalho de Melo <acme@...hat.com> writes:

> Em Fri, Feb 15, 2019 at 01:56:54PM +0200, Alexander Shishkin escreveu:
>> When a child event is allocated in the inherit_event() path, the VMA
>> based filter offsets are not copied from the parent, even though the
>> address space mapping of the new task remains the same, which leads
>> to no trace for the new task until exec.
>
> Peter, I'm processing this one, ok? Ack?

Any news on this one?

Thanks,
--
Alex