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From: David Ahern <dsahern@gmail.com>
To: Ingo Molnar <mingo@kernel.org>
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: Tue, 29 Oct 2013 07:53:51 -0600	[thread overview]
Message-ID: <526FBDEF.8090109@gmail.com> (raw)
In-Reply-To: <20131029132304.GA22052@gmail.com>

On 10/29/13 7:23 AM, Ingo Molnar wrote:
>
> * Ingo Molnar <mingo@kernel.org> wrote:
>
>> * 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.
>
> Btw., this build failure is still there today:

Right, I put together a patch on Sept 14th and got distracted. I'll 
rebase to top of tree, update per the new feature tests and send it out 
today.

David


  reply	other threads:[~2013-10-29 13:53 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
2013-10-29 13:23         ` Ingo Molnar
2013-10-29 13:53           ` David Ahern [this message]
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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