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From: Ingo Molnar <mingo@kernel.org>
To: David Ahern <dsahern@gmail.com>
Cc: linux-kernel@vger.kernel.org, acme@ghostprotocols.net,
	fweisbec@gmail.com, peterz@infradead.org, jolsa@redhat.com,
	namhyung@kernel.org, xiaoguangrong@linux.vnet.ibm.com,
	runzhen@linux.vnet.ibm.com, Runzhen Wang <icycoder@gmail.com>
Subject: Re: [PATCH 14/16] perf kvm: reuse some code of perf_kvm__timerfd_create()
Date: Thu, 12 Sep 2013 15:40:58 +0200	[thread overview]
Message-ID: <20130912134058.GF23826@gmail.com> (raw)
In-Reply-To: <5231C2EF.8080200@gmail.com>


* David Ahern <dsahern@gmail.com> wrote:

> On 9/12/13 6:08 AM, Ingo Molnar wrote:
> >
> >btw., I tried to build perf on a really old distro that has no timerfd.h,
> >and got:
> 
> Right. I hit that last week or so with RHEL5 as a build server.
> 
> timerfd was introduced before perf so any system with perf capability 
> will also have timerfd. So the problem is strictly building perf on an 
> older system. [...]

I'm booting new kernels on an old system and I'm building it there.

So it's new kernel, new perf source and binary, old userspace.

Thanks,

	Ingo

  reply	other threads:[~2013-09-12 13:41 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-26  0:24 [PATCH 00/16] perf: kvm live mode David Ahern
2013-05-26  0:24 ` [PATCH 01/16] perf evlist: restore methods removed in earlier cleanup David Ahern
2013-05-26  0:24 ` [PATCH 02/16] perf evlist: move tracepoint processing code to evlist.c David Ahern
2013-05-26  0:24 ` [PATCH 03/16 v2] perf evlist: add initialzation function for tracepoints David Ahern
2013-05-26  0:24 ` [PATCH 04/16 v2] perf session: export a few functions for event processing David Ahern
2013-05-26  0:24 ` [PATCH 05/16] perf top: move CONSOLE_CLEAR to header file David Ahern
2013-05-26  0:24 ` [PATCH 06/16] perf kvm: handle realloc failures David Ahern
2013-05-31 11:49   ` [tip:perf/core] perf kvm: Handle " tip-bot for David Ahern
2013-05-26  0:24 ` [PATCH 07/16] perf kvm: split out tracepoints from record args David Ahern
2013-05-26  0:24 ` [PATCH 08/16] perf stats: fix divide by 0 in variance David Ahern
2013-05-31 11:51   ` [tip:perf/core] perf stats: Fix " tip-bot for David Ahern
2013-05-26  0:24 ` [PATCH 09/16] perf stats: add max and min stats David Ahern
2013-05-26  0:24 ` [PATCH 10/16 v2] perf kvm: add live mode David Ahern
2013-05-26  0:24 ` [PATCH 11/16] perf kvm: add min and max stats to display David Ahern
2013-05-26  0:24 ` [PATCH 12/16] perf kvm: option to print events that exceed a threshold David Ahern
2013-05-26  0:24 ` [PATCH 13/16] perf kvm: debug for missing vmexit/vmentry event David Ahern
2013-05-26  0:24 ` [PATCH 14/16] perf kvm: reuse some code of perf_kvm__timerfd_create() David Ahern
2013-09-12 13:08   ` Ingo Molnar
2013-09-12 13:34     ` David Ahern
2013-09-12 13:40       ` Ingo Molnar [this message]
2013-10-29 13:23         ` Ingo Molnar
2013-10-29 13:53           ` David Ahern
2013-10-29 13:58             ` Ingo Molnar
2013-05-26  0:24 ` [PATCH 15/16] perf kvm: move the prompt_integer() to /util/top.c David Ahern
2013-05-26  0:24 ` [PATCH 16/16] perf kvm: set live mode refresh time dynamically David Ahern

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