Re:S p a m m y s y s C a l l s in strace dumps
by drewg123 on Friday January 06, 2023 @11:37AM
(#34276901)
That talk is brilliant, and matches my experience unfortunately..
Re:S p a m m y s y s C a l l s in strace dumps
by bear24rw on Friday January 06, 2023 @10:39PM
(#34284913)
Do you know if there are videos of those talks posted anywhere?
Re:S p a m m y s y s C a l l s in strace dumps
by thewisenerd on Saturday January 07, 2023 @09:13AM
(#34288104)
while I wait for a video from 2006 to miraculously survive, some googling gave me these, though:
http://web.archive.org/web/20070223102951/http://www.linuxsy...
https://lwn.net/Articles/192214/
https://www.linux.com/news/day-two-ols-why-userspace-sucks-a...
Here's one instance: https://www.kernel.org/doc/ols/2006/ols2006v1-pages-441-450....
At some point I stared a lot at instruction level traces with Processor Trace or LBRs and usually I found some bad sequences in many programs, where things are implemented very inefficiently.