[ath5k-devel] How to profile this strange effect under high load?

2010-10-12 Thread Bruno Randolf
Hello! I am trying to debug a strange effect, I am seeing on soekris net48xx boards with two ath5k interfaces: * wlan0 [phy0] configured in ad-hoc mode, A band, and it is getting a lot of traffic routed thru it * wlan1 [phy1] also configured in ad-hoc mode, G band, but not actively sending

Re: [ath5k-devel] Kernel panic

2010-10-12 Thread Bob Copeland
On Tue, Oct 12, 2010 at 03:39:01PM +1000, Jonathan Guerin wrote: Try turning off CONFIG_NETWORK_PHY_TIMESTAMPING. I can confirm that this fix does indeed stop the panics. Could the reason this can't be replicated by the amount of RAM on the machine, compared to your dev machines? No, I

Re: [ath5k-devel] Kernel panic

2010-10-12 Thread Jonathan Guerin
On Tue, Oct 12, 2010 at 9:46 PM, Bob Copeland m...@bobcopeland.com wrote: On Tue, Oct 12, 2010 at 03:39:01PM +1000, Jonathan Guerin wrote: Try turning off CONFIG_NETWORK_PHY_TIMESTAMPING. I can confirm that this fix does indeed stop the panics. Could the reason this can't be replicated by

Re: [ath5k-devel] How to profile this strange effect under high load?

2010-10-12 Thread Bob Copeland
On Tue, Oct 12, 2010 at 6:33 AM, Bruno Randolf b...@einfach.org wrote: So my question is: How can I find out, what [phy1] is so busy doing? Any ideas how to profile this? /proc/interrupts shows lots of interrupts on phy1 line? Is it shared irq? What options did you try with oprofile? You can

Re: [ath5k-devel] How to profile this strange effect under high load?

2010-10-12 Thread Qasim Javed
How about using trace-cmd and kernelshark with function graph tracer to see what is getting called so often? -Qasim On Tue, Oct 12, 2010 at 5:33 AM, Bruno Randolf b...@einfach.org wrote: Hello! I am trying to debug a strange effect, I am seeing on soekris net48xx boards with two ath5k

Re: [ath5k-devel] How to profile this strange effect under high load?

2010-10-12 Thread Nick Kossifidis
2010/10/12 Bruno Randolf b...@einfach.org: Hello! I am trying to debug a strange effect, I am seeing on soekris net48xx boards with two ath5k interfaces:  * wlan0 [phy0] configured in ad-hoc mode, A band, and it is getting a lot of traffic routed thru it  * wlan1 [phy1] also configured in

[ath5k-devel] Fwd: [PATCH v2] ath5k: Move debugfs under ieee80211/[wiphy-name]

2010-10-12 Thread Ben Greear
Forgot to CC this list earlier. Thanks, Ben Original Message Subject: [PATCH v2] ath5k: Move debugfs under ieee80211/[wiphy-name] Date: Tue, 12 Oct 2010 10:55:38 -0700 From: gree...@candelatech.com To: linux-wirel...@vger.kernel.org CC: Ben Greear gree...@candelatech.com

Re: [ath5k-devel] Fwd: [PATCH v2] ath5k: Move debugfs under ieee80211/[wiphy-name]

2010-10-12 Thread Bruno Randolf
On Wed October 13 2010 08:36:18 Ben Greear wrote: Forgot to CC this list earlier. Thanks, Ben Original Message Subject: [PATCH v2] ath5k: Move debugfs under ieee80211/[wiphy-name] Date: Tue, 12 Oct 2010 10:55:38 -0700 From: gree...@candelatech.com To: