fpo wrote:
> No luck yet.
>
> Let me explain my reasoning: What I saw when I attached the Visual
> Studio Debugger to squeezelite and interruped it while in 100% cpu load
> was, that its from one thread and this thread sometimes had its priority
> elevated slightly, presumably when in kernel code. Such a situation
> could possibly derail other threads and trigger unexpected behavior.
> 100% cpu load is in essence an extreme stress test for the system and it
> fails obviously. We don't realy know whether the cpu load is cause or
> effect, but it seems to me of no use to find a solution in a stressed
> system we do not control 100%. The fault may well be in the Windows
> TCP/IP stack implementation. We would not know. So my priority would be
> to get rid of the cpu load, then to look further.
>
> I assume the source of the cpu load is a tight loop in
> >
Code:
--------------------
> > static void slimproto_run() {
> ...
> while (running && !new_server) {
> ....
> if ((ev = wait_readwake(ehandles, 1000)) != EVENT_TIMEOUT) {
> ....
> }
> ....
> }
--------------------
> >
> Inside the *if* section there are two *continue*s that could, when
> permanently triggered, make the loop tight. The stream thread is
> another thread presumably. It might be just perfect only to get
> derailed inside a system call. We don't know yet.
>
> My proposal would be to find the source of the cpu load, slow the
> thread down a bit by inserting a short sleep(), insert some temporary
> logging and see what happens.
>
> Does it make sense to insert a debug log followed by a sleep(1)
> immediately before the two continues? You know the code better than me
> but it should not be too often one gets a EVENT_READ and then read
> nothing.
'squeezelite-1.9.8-1324-test4-win64.zip'
(https://www.dropbox.com/s/zw96827qrilim58/squeezelite-1.9.8-1324-test4-win64.zip?dl=1)
adds a short delay before both of the continue statements in
slimproto.c.
Ralphy
*1*-Touch, *5*-Classics, *3*-Booms, *1*-UE Radio
'Squeezebox client builds'
(https://sourceforge.net/projects/lmsclients/files/) 'donations'
(https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=LL5P6365KQEXN&lc=CA&item_name=Squeezebox%20client%20builds¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted)
always appreciated.
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