On 11/01/2013 07:15 PM, KARR, DAVID wrote: >> -----Original Message----- >> Sent: Friday, October 18, 2013 11:20 AM >> Subject: Cygwin Emacs and two other Cygwin processes seem to do a lot of >> "other" I/O while seemingly idle >> >> Win7x32, Cygwin 1.7.25, Emacs 24.3.1. >> >> I've noticed when I scan the processes in SysInternals Process Explorer and >> sort by "I/O Delta Other Bytes", my Cygwin Emacs process is almost always at >> the top of the list. In fact, the next processes in that sorted order are >> "at-spi-bus-launcher" and "at-spi2-registryd", both also from Cygwin. The >> total from everything else in the list, again for the "I/O Delta Other Bytes" >> value, is just a fraction of the total from these three processes. >> >> This is happening when Emacs is seemingly idle. >> >> I'm not sure what "Other" is, compared to read or write. At the current >> time, when I see it at the top of that sorted list, I don't see the disk >> light flashing a lot, and my cpu indicator is pretty low. Also at the >> current time, I have four shell buffers open, all of which are just sitting >> at the shell prompt (these are all that show up in "list-processes"). >> >> However, I'm constantly annoyed with performance problems on my laptop, so >> I'm wondering whether this is having any impact. >> >> This may be considered "trivial" or expected behavior, I'd just like to >> understand it a bit. > > I'm continuing to see this problem. I find that when my system is very > sluggish, if I check total IO, those three processes are at the top of the > list, and this is when I'm not doing anything directly with Cygwin. At this > point, if I kill my Emacs, rxvt, and X server, my performance improves > considerably. > You could try running the emacs under strace to see what is going on in it.
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