linux-kernel - Re: [PATCH 6/7] perf kvm: move perf_kvm__mmap

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Message-ID: <20140623141453.GC20225@stfomichev-desktop.yandex.net>
Date:	Mon, 23 Jun 2014 18:14:53 +0400
From:	Stanislav Fomichev <stfomichev@...dex-team.ru>
To:	David Ahern <dsahern@...il.com>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
	jolsa@...hat.com, xiaoguangrong@...ux.vnet.ibm.com,
	yangds.fnst@...fujitsu.com, adrian.hunter@...el.com,
	namhyung@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/7] perf kvm: move perf_kvm__mmap_read into session utils

> Stanislav: are you seeing out of order timestamp errors or just trying to
> reuse the live code from perf-kvm?
Yes, I need events ordering, otherwise I see:
1. pagefault event
2. comm and mmap events for the process above

Hence I have to print cryptic messages without any details.

As Arnaldo pointed out, I have to look at Jiri Olsa's 'ordered samples
queue' patches; I probably can use only the queue, without the perf session.
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