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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

  reply	other threads:[~2010-05-20 14:26 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4BF30793.5070300@us.ibm.com>
2010-05-18 21:52 ` [PATCH RT] ehea: make receive irq handler non-threaded (IRQF_NODELAY) Brian King
2010-05-18 22:19   ` Nivedita Singhvi
2010-05-18 22:22   ` Darren Hart
2010-05-19  1:25     ` Michael Ellerman
2010-05-19 14:16       ` Darren Hart
2010-05-19 14:38         ` Thomas Gleixner
2010-05-19 21:08           ` Thomas Gleixner
2010-05-20  1:34             ` Michael Ellerman
2010-05-20  7:37               ` Jan-Bernd Themann
2010-05-20  8:14                 ` Thomas Gleixner
2010-05-20  9:05                   ` Jan-Bernd Themann
2010-05-20  9:19                     ` Thomas Gleixner
2010-05-20 14:26                       ` Nivedita Singhvi [this message]
2010-05-20 14:53                     ` Will Schmidt
2010-05-20 14:39                   ` Darren Hart
2010-05-20 14:45                     ` Thomas Gleixner
2010-05-20 21:44                       ` Will Schmidt
2010-05-20  1:32           ` Michael Ellerman
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
2010-09-20 14:26                 ` Jan-Bernd Themann
2010-05-20  1:28         ` Michael Ellerman
2010-05-21  9:02           ` Milton Miller

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