From: Nivedita Singhvi <niv@us.ibm.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Darren Hart <dvhltc@us.ibm.com>,
Jan-Bernd Themann <THEMANN@de.ibm.com>,
dvhltc@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
Will Schmidt <will_schmidt@vnet.ibm.com>,
Brian King <brking@linux.vnet.ibm.com>,
niv@linux.vnet.ibm.com, Doug Maxey <doug.maxey@us.ibm.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH RT] ehea: make receive irq handler non-threaded (IRQF_NODELAY)
Date: Thu, 20 May 2010 07:26:17 -0700 [thread overview]
Message-ID: <4BF54689.7090106@us.ibm.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1005201112000.3368@localhost.localdomain>
Thomas Gleixner wrote:
>> Pleaes check if multiple queues are enabled. The following module parameter
>> is used for that:
>>
>> MODULE_PARM_DESC(use_mcs, " 0:NAPI, 1:Multiple receive queues, Default = 0
>> ");
>>
>> you should also see the number of used HEA interrupts in /proc/interrupts
>
> I leave that for Will and Darren, they have the hardware :)
16: 477477 ... XICS Level IPI
17: 129 ... XICS Level hvc_console
18: 0 ... XICS Level RAS_EPOW
33: 139232 ... XICS Level mlx4_core
256: 3 ... XICS Level ehea_neq
259: 0 ... XICS Level eth0-aff
260: 2082153 ... XICS Level eth0-queue0
289: 119166 ... XICS Level ipr
305: 0 ... XICS Level ohci_hcd:usb2
306: 0 ... XICS Level ohci_hcd:usb3
307: 2389839 ... XICS Level ehci_hcd:usb1
Nope, multiple rx queues not enabled.
thanks,
Nivedita
WARNING: multiple messages have this Message-ID (diff)
From: Nivedita Singhvi <niv@us.ibm.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Jan-Bernd Themann <THEMANN@de.ibm.com>,
Brian King <brking@linux.vnet.ibm.com>,
Doug Maxey <doug.maxey@us.ibm.com>,
Darren Hart <dvhltc@us.ibm.com>,
dvhltc@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, michael@ellerman.id.au,
niv@linux.vnet.ibm.com, Will Schmidt <will_schmidt@vnet.ibm.com>
Subject: Re: [PATCH RT] ehea: make receive irq handler non-threaded (IRQF_NODELAY)
Date: Thu, 20 May 2010 07:26:17 -0700 [thread overview]
Message-ID: <4BF54689.7090106@us.ibm.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1005201112000.3368@localhost.localdomain>
Thomas Gleixner wrote:
>> Pleaes check if multiple queues are enabled. The following module parameter
>> is used for that:
>>
>> MODULE_PARM_DESC(use_mcs, " 0:NAPI, 1:Multiple receive queues, Default = 0
>> ");
>>
>> you should also see the number of used HEA interrupts in /proc/interrupts
>
> I leave that for Will and Darren, they have the hardware :)
16: 477477 ... XICS Level IPI
17: 129 ... XICS Level hvc_console
18: 0 ... XICS Level RAS_EPOW
33: 139232 ... XICS Level mlx4_core
256: 3 ... XICS Level ehea_neq
259: 0 ... XICS Level eth0-aff
260: 2082153 ... XICS Level eth0-queue0
289: 119166 ... XICS Level ipr
305: 0 ... XICS Level ohci_hcd:usb2
306: 0 ... XICS Level ohci_hcd:usb3
307: 2389839 ... XICS Level ehci_hcd:usb1
Nope, multiple rx queues not enabled.
thanks,
Nivedita
next prev parent reply other threads:[~2010-05-20 14:26 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-18 21:33 [PATCH RT] ehea: make receive irq handler non-threaded (IRQF_NODELAY) Darren Hart
2010-05-18 21:52 ` Brian King
2010-05-18 21:52 ` Brian King
2010-05-18 22:19 ` Nivedita Singhvi
2010-05-18 22:19 ` Nivedita Singhvi
2010-05-18 22:22 ` Darren Hart
2010-05-18 22:22 ` Darren Hart
2010-05-19 1:25 ` Michael Ellerman
2010-05-19 1:25 ` Michael Ellerman
2010-05-19 14:16 ` Darren Hart
2010-05-19 14:16 ` Darren Hart
2010-05-19 14:38 ` Thomas Gleixner
2010-05-19 14:38 ` Thomas Gleixner
2010-05-19 21:08 ` Thomas Gleixner
2010-05-19 21:08 ` Thomas Gleixner
2010-05-20 1:34 ` Michael Ellerman
2010-05-20 1:34 ` Michael Ellerman
2010-05-20 7:37 ` Jan-Bernd Themann
2010-05-20 7:37 ` Jan-Bernd Themann
2010-05-20 8:14 ` Thomas Gleixner
2010-05-20 8:14 ` Thomas Gleixner
2010-05-20 9:05 ` Jan-Bernd Themann
2010-05-20 9:05 ` Jan-Bernd Themann
2010-05-20 9:19 ` Thomas Gleixner
2010-05-20 9:19 ` Thomas Gleixner
2010-05-20 14:26 ` Nivedita Singhvi [this message]
2010-05-20 14:26 ` Nivedita Singhvi
2010-05-20 14:53 ` Will Schmidt
2010-05-20 14:53 ` Will Schmidt
2010-05-20 14:39 ` Darren Hart
2010-05-20 14:39 ` Darren Hart
2010-05-20 14:45 ` Thomas Gleixner
2010-05-20 14:45 ` Thomas Gleixner
2010-05-20 21:44 ` Will Schmidt
2010-05-20 21:44 ` Will Schmidt
2010-05-20 1:32 ` Michael Ellerman
2010-05-20 1:32 ` Michael Ellerman
2010-05-20 8:21 ` Thomas Gleixner
2010-05-20 8:21 ` Thomas Gleixner
2010-05-21 9:18 ` [PATCH RT] ehea: make receive irq handler non-threaded (IRQF_NODELAY), " Milton Miller
2010-05-21 9:18 ` Milton Miller
2010-09-20 14:26 ` Jan-Bernd Themann
2010-09-20 14:26 ` Jan-Bernd Themann
2010-05-20 1:28 ` Michael Ellerman
2010-05-20 1:28 ` Michael Ellerman
2010-05-21 9:02 ` Milton Miller
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