Missing some interrupts

2009-06-06 Thread wael showair
terrupt just only twice. do u have any suggestions to solve this problem? i want to make sure that i can receive 10 interrupts -- View this message in context: http://www.nabble.com/Missing-some-interrupts-tp23901807p23901807.html Sent from the linuxppc-dev mailing list arch

Re: Missing some interrupts

2009-06-06 Thread Jon Smirl
th interrupts disabled. A printk() takes 1.5ms on a mpc5200. > -- > View this message in context: > http://www.nabble.com/Missing-some-interrupts-tp23901807p23901807.html > Sent from the linuxppc-dev mailing list archive at Nabble.com. > > __

Re: Missing some interrupts

2009-06-06 Thread Grant Likely
On Sat, Jun 6, 2009 at 7:34 AM, Jon Smirl wrote: > On Sat, Jun 6, 2009 at 9:17 AM, wael showair wrote: >> >> Hi All, >> i have a freescale board, that contains MPC8555 processor & DSP-core >> there is a GPIO connecting the DSP-core into an input pin of the OpenPIC of >> the MPC8555 processor. >> >>

Re: Missing some interrupts

2009-06-06 Thread Benjamin Herrenschmidt
On Sat, 2009-06-06 at 06:17 -0700, wael showair wrote: > Hi All, > i have a freescale board, that contains MPC8555 processor & DSP-core > there is a GPIO connecting the DSP-core into an input pin of the OpenPIC of > the MPC8555 processor. > > i test one interrupt from the DSP-core to the MPC8555 p

Re: Missing some interrupts

2009-06-06 Thread wael showair
epared to pick up more > than one item of work... whatever that is. > > Cheers, > Ben. > > ___ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev > > -- View

Re: Missing some interrupts

2009-06-06 Thread wael showair
> > interrupt handler itself. But you need to be prepared to pick up more > > than one item of work... whatever that is. > > > > Cheers, > > Ben. > > > > _______ > > Linuxppc-dev mailing list > > Linuxppc-dev

Re: Missing some interrupts

2009-06-08 Thread wael showair
ver- rely on edge interrupts in ways that > require them not to be coalesced. > > Cheers, > Ben. > >> >So you don't need to worry too much about racing with new incoming >> messages inside the >> > interrupt handler itself. But you need to be prepared to pick up

Re: Missing some interrupts

2009-06-08 Thread Benjamin Herrenschmidt
On Mon, 2009-06-08 at 09:45 -0700, wael showair wrote: > > wael showair wrote: > > > >> > You cannot really rely on getting the exact same number of edge > >> > interrupts that were emitted. At least not unless you have a hard RT > >> > system and can guarantee that you'll always dequeue them fas