Re: Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES

2012-02-08 Thread Andrew Richardson
gs I want. Many thanks, Andrew On Feb 8, 2012, at 12:21 AM, Dmitry Antipov wrote: > On 02/07/2012 02:43 PM, Andrew Richardson wrote: > >> I'm experiencing what appears to be a minimum clock resolution issue >> in using clock_gettime() on a PandaBoard ES running ubu

Re: Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES

2012-02-08 Thread Andrew Richardson
On Feb 8, 2012, at 8:55 AM, Dmitry Antipov wrote: > On 02/08/2012 01:32 AM, Andrew Richardson wrote: > >> Do you recommend using "Get linaro image tools: method 2 (source code)" >> ( http://releases.linaro.org/12.01/ubuntu/leb-panda/ ) and building the >> kern

Re: Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES

2012-02-08 Thread Andrew Richardson
On Feb 8, 2012, at 8:55 AM, Dmitry Antipov wrote: > On 02/08/2012 01:32 AM, Andrew Richardson wrote: > >> Do you recommend using "Get linaro image tools: method 2 (source code)" >> ( http://releases.linaro.org/12.01/ubuntu/leb-panda/ ) and building the >> kern

Re: Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES

2012-02-07 Thread Andrew Richardson
On Feb 7, 2012, at 7:30 PM, John Stultz wrote: > On Wed, 2012-02-08 at 00:16 +0100, Zygmunt Krynicki wrote: >> On 02/07/2012 11:43 PM, Andrew Richardson wrote: >> >> Which clock_t were you using? I think CLOCK_MONOTONIC makes sense for >> what you are trying to do a

Re: Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES

2012-02-07 Thread Andrew Richardson
I was using CLOCK_MONOTONIC_RAW before. I just tried CLOCK_MONOTONIC and CLOCK_REALTIME and did not see any improvement when timing 2-3ms events. Andrew On 12-02-07 06:16 PM, Zygmunt Krynicki wrote: On 02/07/2012 11:43 PM, Andrew Richardson wrote: Greetings, I'm experiencing what ap

Minimum timing resolution in Ubuntu/Linaro on the PandaBoard ES

2012-02-07 Thread Andrew Richardson
Greetings, I'm experiencing what appears to be a minimum clock resolution issue in using clock_gettime() on a PandaBoard ES running ubuntu. *> uname -r* 3.1.1-8-linaro-lt-omap *> cat /proc/version* Linux version 3.1.1-8-linaro-lt-omap (buildd@diphda) (gcc version 4.6.1 (Ubuntu/