Hello everyone,
lately I had to fight big XRUN troubles, and thanks to this forum I
finally solved that. This excellent thread saved me:
http://linuxaudio.org/mailarchive/lau/2012/9/5/192706
On my long quest, I tried to see a little bit more what happened with
the IRQs on my system. I searched for a kind of 'top' utility to monitor
the interrupts, but the only apps I found were either deprecated, or
missed some cool features.
So, I ended up writing my own tool to monitor the file /proc/interrupts.
It's available a this address:
https://gitorious.org/elboulangero/itop
As its name indicates, it behaves pretty much like top, but for interrupts.
It's quite a simple thing, that I tried to enhance a bit with some cool
features:
+ refresh period can be specified.
+ two display modes: display interrupts for every CPU, or only a sum
of all CPU.
+ display every interrupt (sorted like /proc/interrupts), or only
active interrupts (sorted by activity).
+ in case the number of interrupts changes during the execution of
itop (due to a rmmod/modprobe), it's handled without any fuss.
+ command-line options are also available as hotkeys for convenience.
+ at last, the program display a summary on exit. The idea is that
this summary could be copied/pasted in emails to help debugging.
If anyone is interested, feel free to try and comment !
Cheers
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