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From: Avi Kivity <avi@redhat.com>
To: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	linux-doc@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Virtualization <virtualization@lists.linux-foundation.org>,
	Paul Mackerras <paulus@samba.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	Xen <xen-devel@lists.xensource.com>,
	Dave Jiang <dave.jiang@intel.com>, KVM <kvm@vger.kernel.org>,
	Glauber Costa <glommer@redhat.com>, X86 <x86@kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Rik van Riel <riel@redhat.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Sasha Levin <levinsasha928@gmail.com>,
	Sedat Dilek <sedat.dilek@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	Dave Hansen <dave@linux.vnet.ibm.com>,
	Suzuki Poulo
Subject: Re: [PATCH RFC V4 4/5] kvm : pv-ticketlocks support for linux guests running on KVM hypervisor
Date: Mon, 16 Jan 2012 16:47:16 +0200	[thread overview]
Message-ID: <4F143874.9010307@redhat.com> (raw)
In-Reply-To: <4F1430A2.1080401@linux.vnet.ibm.com>

On 01/16/2012 04:13 PM, Raghavendra K T wrote:
>> Please drop all of these and replace with tracepoints in the appropriate
>> spots.  Everything else (including the historgram) can be reconstructed
>> the tracepoints in userspace.
>>
>
>
> I think Jeremy pointed that tracepoints use spinlocks and hence debugfs
> is the option.. no ?
>

Yeah, I think you're right.  What a pity.

-- 
error compiling committee.c: too many arguments to function

WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	linux-doc@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Virtualization <virtualization@lists.linux-foundation.org>,
	Paul Mackerras <paulus@samba.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	Xen <xen-devel@lists.xensource.com>,
	Dave Jiang <dave.jiang@intel.com>, KVM <kvm@vger.kernel.org>,
	Glauber Costa <glommer@redhat.com>, X86 <x86@kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Rik van Riel <riel@redhat.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Sasha Levin <levinsasha928@gmail.com>,
	Sedat Dilek <sedat.dilek@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	Dave Hansen <dave@linux.vnet.ibm.com>,
	Suzuki
Subject: Re: [PATCH RFC V4 4/5] kvm : pv-ticketlocks support for linux guests running on KVM hypervisor
Date: Mon, 16 Jan 2012 16:47:16 +0200	[thread overview]
Message-ID: <4F143874.9010307@redhat.com> (raw)
In-Reply-To: <4F1430A2.1080401@linux.vnet.ibm.com>

On 01/16/2012 04:13 PM, Raghavendra K T wrote:
>> Please drop all of these and replace with tracepoints in the appropriate
>> spots.  Everything else (including the historgram) can be reconstructed
>> the tracepoints in userspace.
>>
>
>
> I think Jeremy pointed that tracepoints use spinlocks and hence debugfs
> is the option.. no ?
>

Yeah, I think you're right.  What a pity.

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2012-01-16 14:47 UTC|newest]

Thread overview: 139+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-14 18:25 [PATCH RFC V4 0/5] kvm : Paravirt-spinlock support for KVM guests Raghavendra K T
2012-01-14 18:25 ` Raghavendra K T
2012-01-14 18:25 ` Raghavendra K T
2012-01-14 18:25 ` [PATCH RFC V4 1/5] debugfs: Add support to print u32 array in debugfs Raghavendra K T
2012-01-14 18:25   ` Raghavendra K T
2012-01-14 18:25   ` Raghavendra K T
2012-01-14 18:25 ` [PATCH RFC V4 2/5] kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Raghavendra K T
2012-01-14 18:25   ` Raghavendra K T
2012-01-14 18:25   ` Raghavendra K T
2012-01-16  3:24   ` Alexander Graf
2012-01-16  3:24     ` Alexander Graf
2012-01-16  8:43     ` Raghavendra K T
2012-01-16  8:43       ` Raghavendra K T
2012-01-16  9:03   ` Avi Kivity
2012-01-16  9:03     ` Avi Kivity
2012-01-16  9:55     ` Raghavendra K T
2012-01-16  9:55       ` Raghavendra K T
2012-01-14 18:26 ` [PATCH RFC V4 3/5] kvm guest : Added configuration support to enable debug information for KVM Guests Raghavendra K T
2012-01-14 18:26   ` Raghavendra K T
2012-01-14 18:26   ` Raghavendra K T
2012-01-14 18:26 ` [PATCH RFC V4 4/5] kvm : pv-ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T
2012-01-14 18:26   ` Raghavendra K T
2012-01-14 18:26   ` Raghavendra K T
2012-01-16  3:12   ` Alexander Graf
2012-01-16  3:12     ` Alexander Graf
2012-01-16  7:25     ` Raghavendra K T
2012-01-16  7:25       ` Raghavendra K T
2012-01-16  9:05   ` Avi Kivity
2012-01-16  9:05     ` Avi Kivity
2012-01-16 14:13     ` Raghavendra K T
2012-01-16 14:13       ` Raghavendra K T
2012-01-16 14:47       ` Avi Kivity [this message]
2012-01-16 14:47         ` Avi Kivity
2012-01-16 23:49         ` Jeremy Fitzhardinge
2012-01-16 23:49           ` Jeremy Fitzhardinge
2012-01-17 11:02   ` Marcelo Tosatti
2012-01-17 11:02     ` Marcelo Tosatti
2012-01-17 11:33     ` Srivatsa Vaddagiri
2012-01-17 11:33       ` Srivatsa Vaddagiri
2012-01-18  1:34       ` Jeremy Fitzhardinge
2012-01-18  1:34         ` Jeremy Fitzhardinge
2012-01-18 13:54         ` Srivatsa Vaddagiri
2012-01-18 13:54           ` Srivatsa Vaddagiri
2012-01-18 21:52           ` Jeremy Fitzhardinge
2012-01-18 21:52             ` Jeremy Fitzhardinge
2012-01-24 14:08             ` Avi Kivity
2012-01-24 14:08               ` Avi Kivity
2012-01-24 18:51               ` Raghavendra K T
2012-01-24 18:51                 ` Raghavendra K T
2012-01-17 18:57     ` Raghavendra K T
2012-01-17 18:57       ` Raghavendra K T
2012-01-24 19:01       ` Raghavendra K T
2012-01-14 18:27 ` [PATCH RFC V4 5/5] Documentation/kvm : Add documentation on Hypercalls and features used for PV spinlock Raghavendra K T
2012-01-14 18:27 ` Raghavendra K T
2012-01-14 18:27   ` Raghavendra K T
2012-01-14 18:27   ` Raghavendra K T
2012-01-16  3:23   ` Alexander Graf
2012-01-16  3:23     ` Alexander Graf
2012-01-16  3:51     ` Srivatsa Vaddagiri
2012-01-16  3:51       ` Srivatsa Vaddagiri
2012-01-16  4:00       ` Alexander Graf
2012-01-16  4:00         ` Alexander Graf
2012-01-16  8:47         ` Avi Kivity
2012-01-16  8:44     ` Raghavendra K T
2012-01-16  8:44       ` Raghavendra K T
2012-01-16 10:26       ` Alexander Graf
2012-01-16 10:26         ` Alexander Graf
2012-01-16  9:00   ` Avi Kivity
2012-01-16  9:00     ` Avi Kivity
2012-01-16  9:40     ` Srivatsa Vaddagiri
2012-01-16 10:14       ` Avi Kivity
2012-01-16 14:11         ` Srivatsa Vaddagiri
2012-01-17  9:14           ` Gleb Natapov
2012-01-17  9:14             ` Gleb Natapov
2012-01-17 12:26             ` Srivatsa Vaddagiri
2012-01-17 12:26               ` Srivatsa Vaddagiri
2012-01-17 12:51               ` Gleb Natapov
2012-01-17 12:51                 ` Gleb Natapov
2012-01-17 13:11                 ` Srivatsa Vaddagiri
2012-01-17 13:11                   ` Srivatsa Vaddagiri
2012-01-17 13:20                   ` Gleb Natapov
2012-01-17 13:20                     ` Gleb Natapov
2012-01-17 14:28                     ` Srivatsa Vaddagiri
2012-01-17 14:28                       ` Srivatsa Vaddagiri
2012-01-17 15:32                       ` Gleb Natapov
2012-01-17 15:32                         ` Gleb Natapov
2012-01-17 15:53                         ` Marcelo Tosatti
2012-01-17 15:53                           ` Marcelo Tosatti
2012-01-20 15:09                           ` Srivatsa Vaddagiri
2012-01-17 13:13                 ` Raghavendra K T
2012-01-17 13:13                   ` Raghavendra K T
2012-01-16  3:57 ` [PATCH RFC V4 0/5] kvm : Paravirt-spinlock support for KVM guests Alexander Graf
2012-01-16  3:57   ` Alexander Graf
2012-01-16  6:40   ` Jeremy Fitzhardinge
2012-01-16  6:40     ` Jeremy Fitzhardinge
2012-01-16  8:55     ` Avi Kivity
2012-01-16  8:55       ` Avi Kivity
2012-01-16 23:59       ` Jeremy Fitzhardinge
2012-01-16 23:59         ` Jeremy Fitzhardinge
2012-01-18 10:48         ` Raghavendra K T
2012-01-18 10:48           ` Raghavendra K T
2012-01-16 10:24     ` Alexander Graf
2012-01-16 10:24       ` Alexander Graf
2012-01-17  0:30       ` Jeremy Fitzhardinge
2012-01-17  0:30         ` Jeremy Fitzhardinge
2012-01-18 10:23         ` Raghavendra K T
2012-01-18 10:23           ` Raghavendra K T
2012-01-16 13:43   ` Raghavendra K T
2012-01-16 13:43     ` Raghavendra K T
2012-01-16 13:49     ` Avi Kivity
2012-01-16 13:49       ` Avi Kivity
2012-01-16 18:48       ` Raghavendra K T
2012-01-16 18:48         ` Raghavendra K T
2012-01-16 14:20   ` Srivatsa Vaddagiri
2012-01-16 14:20     ` Srivatsa Vaddagiri
2012-01-16 14:23     ` Alexander Graf
2012-01-16 14:23       ` Alexander Graf
2012-01-16 18:38       ` Raghavendra K T
2012-01-16 18:38         ` Raghavendra K T
2012-01-16 18:42         ` Alexander Graf
2012-01-16 18:42           ` Alexander Graf
2012-01-17 17:27           ` Raghavendra K T
2012-01-17 17:27             ` Raghavendra K T
2012-01-17 17:39             ` Alexander Graf
2012-01-17 17:39               ` Alexander Graf
2012-01-17 18:36               ` Raghavendra K T
2012-01-17 18:36                 ` Raghavendra K T
2012-01-17 21:57                 ` Dave Hansen
2012-01-17 21:57                   ` Dave Hansen
2012-01-18  2:27                   ` Raghavendra K T
2012-01-18  2:27                     ` Raghavendra K T
2012-01-25  8:55                 ` Raghavendra K T
2012-01-25  8:55                   ` Raghavendra K T
2012-01-25 16:35                   ` Konrad Rzeszutek Wilk
2012-01-25 16:35                     ` Konrad Rzeszutek Wilk
2012-01-25 17:45                     ` Raghavendra K T
2012-01-25 17:45                       ` Raghavendra K T
2012-01-25 19:05                       ` Konrad Rzeszutek Wilk
2012-01-25 19:05                         ` Konrad Rzeszutek Wilk

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