From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Vince Weaver <vincent.weaver@maine.edu>,
Peter Zijlstra <peterz@infradead.org>
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
acme@redhat.com, linux-snps-arc@lists.infradead.org,
mingo@kernel.org
Subject: Re: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware
Date: Fri, 13 May 2016 14:06:40 +0530 [thread overview]
Message-ID: <57359218.6030105@synopsys.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1605121903470.18777@macbook-air>
On Friday 13 May 2016 04:34 AM, Vince Weaver wrote:
> On Thu, 12 May 2016, Peter Zijlstra wrote:
>
>> Ah.. which might be a hint that nobody is actually explicitly testing
>> for this and we might just get away with changing the ABI.
>>
>> Vince, what say you; shall we try and get away with it? ;-)
>
> It's probably worth trying.
>
> The only other time anyone else noticed was in this thread
> https://lkml.org/lkml/2015/6/11/136
> and I think the conclusion at the end of that was also that it's probably
> worth changing.
I presume that the RFC patches I posted are fine or do we want any changes.
WARNING: multiple messages have this Message-ID (diff)
From: Vineet.Gupta1@synopsys.com (Vineet Gupta)
To: linux-snps-arc@lists.infradead.org
Subject: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware
Date: Fri, 13 May 2016 14:06:40 +0530 [thread overview]
Message-ID: <57359218.6030105@synopsys.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1605121903470.18777@macbook-air>
On Friday 13 May 2016 04:34 AM, Vince Weaver wrote:
> On Thu, 12 May 2016, Peter Zijlstra wrote:
>
>> Ah.. which might be a hint that nobody is actually explicitly testing
>> for this and we might just get away with changing the ABI.
>>
>> Vince, what say you; shall we try and get away with it? ;-)
>
> It's probably worth trying.
>
> The only other time anyone else noticed was in this thread
> https://lkml.org/lkml/2015/6/11/136
> and I think the conclusion at the end of that was also that it's probably
> worth changing.
I presume that the RFC patches I posted are fine or do we want any changes.
WARNING: multiple messages have this Message-ID (diff)
From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Vince Weaver <vincent.weaver@maine.edu>,
Peter Zijlstra <peterz@infradead.org>
Cc: <linux-perf-users@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <acme@redhat.com>,
<linux-snps-arc@lists.infradead.org>, <mingo@kernel.org>
Subject: Re: [RFC 2/2] perf/core: change errno for sampling event not supported in hardware
Date: Fri, 13 May 2016 14:06:40 +0530 [thread overview]
Message-ID: <57359218.6030105@synopsys.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1605121903470.18777@macbook-air>
On Friday 13 May 2016 04:34 AM, Vince Weaver wrote:
> On Thu, 12 May 2016, Peter Zijlstra wrote:
>
>> Ah.. which might be a hint that nobody is actually explicitly testing
>> for this and we might just get away with changing the ABI.
>>
>> Vince, what say you; shall we try and get away with it? ;-)
>
> It's probably worth trying.
>
> The only other time anyone else noticed was in this thread
> https://lkml.org/lkml/2015/6/11/136
> and I think the conclusion at the end of that was also that it's probably
> worth changing.
I presume that the RFC patches I posted are fine or do we want any changes.
next prev parent reply other threads:[~2016-05-13 8:37 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 9:37 [RFC 0/2] report perf sampling failing due to PMU lacking overflow intr support Vineet Gupta
2016-05-09 9:37 ` Vineet Gupta
2016-05-09 9:37 ` Vineet Gupta
2016-05-09 9:37 ` [RFC 1/2] tools/perf: Handle EOPNOTSUPP for sampling events Vineet Gupta
2016-05-09 9:37 ` Vineet Gupta
2016-05-09 9:37 ` Vineet Gupta
2016-06-03 10:52 ` [tip:perf/core] tools/perf: Handle -EOPNOTSUPP " tip-bot for Vineet Gupta
2016-06-03 10:52 ` tip-bot for Vineet Gupta
2016-05-09 9:37 ` [RFC 2/2] perf/core: change errno for sampling event not supported in hardware Vineet Gupta
2016-05-09 9:37 ` Vineet Gupta
2016-05-09 9:37 ` Vineet Gupta
2016-05-09 13:54 ` Vince Weaver
2016-05-09 13:54 ` Vince Weaver
2016-05-09 17:23 ` Vineet Gupta
2016-05-09 17:23 ` Vineet Gupta
2016-05-11 3:33 ` Vince Weaver
2016-05-11 3:33 ` Vince Weaver
2016-05-11 19:36 ` Peter Zijlstra
2016-05-11 19:36 ` Peter Zijlstra
2016-05-11 19:36 ` Peter Zijlstra
2016-05-12 6:28 ` Vineet Gupta
2016-05-12 6:28 ` Vineet Gupta
2016-05-12 6:28 ` Vineet Gupta
2016-05-12 6:42 ` Peter Zijlstra
2016-05-12 6:42 ` Peter Zijlstra
2016-05-12 6:42 ` Peter Zijlstra
2016-05-12 6:54 ` Vineet Gupta
2016-05-12 6:54 ` Vineet Gupta
2016-05-12 6:54 ` Vineet Gupta
2016-05-12 7:25 ` Peter Zijlstra
2016-05-12 7:25 ` Peter Zijlstra
2016-05-12 7:25 ` Peter Zijlstra
2016-05-12 23:04 ` Vince Weaver
2016-05-12 23:04 ` Vince Weaver
2016-05-13 8:36 ` Vineet Gupta [this message]
2016-05-13 8:36 ` Vineet Gupta
2016-05-13 8:36 ` Vineet Gupta
2016-05-30 11:31 ` [PATCH-REBASED 0/2] report perf sampling failing due to PMU lacking overflow intr support Vineet Gupta
2016-05-30 11:31 ` Vineet Gupta
2016-05-30 11:31 ` Vineet Gupta
2016-05-30 11:31 ` [PATCH-REBASED 1/2] tools/perf: Handle EOPNOTSUPP for sampling events Vineet Gupta
2016-05-30 11:31 ` Vineet Gupta
2016-05-30 11:31 ` Vineet Gupta
2016-05-30 11:31 ` [PATCH-REBASED 2/2] perf/core: change errno for sampling event not supported in hardware Vineet Gupta
2016-05-30 11:31 ` Vineet Gupta
2016-05-30 11:31 ` Vineet Gupta
2016-06-03 10:51 ` [tip:perf/core] perf/abi: Change the " tip-bot for Vineet Gupta
2016-06-03 10:51 ` tip-bot for Vineet Gupta
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