linux-kernel - Re: [RFC][PATCH 0/9] perf trace: support for general-purpose scripting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20091006090954.GA19325@elte.hu>
Date:	Tue, 6 Oct 2009 11:09:54 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Tom Zanussi <tzanussi@...il.com>
Cc:	linux-kernel@...r.kernel.org, fweisbec@...il.com,
	rostedt@...dmis.org, lizf@...fujitsu.com, hch@...radead.org
Subject: Re: [RFC][PATCH 0/9] perf trace: support for general-purpose
	scripting


* Tom Zanussi <tzanussi@...il.com> wrote:

> Known problems/shortcomings:
> 
> Probably the biggest problem right now is the sorting hack I added as 
> the last patch.  It's just meant as a temporary thing, but is there 
> because tracing scripts in general want to see events in the order 
> they happened i.e. timestamp order. [...]

Btw., have you seen the -M/--multiplex option to perf record? It 
multiplexes all events into a single buffer - making them all ordered. 
(The events are in causal ordering in this case even if there's some TSC 
asynchronity)

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/