Ftrace and histograms: a fork in the road

Posted Mar 6, 2015 13:30 UTC (Fri) by cesarb (subscriber, #6266)
In reply to: Ftrace and histograms: a fork in the road by cyronin
Parent article: Ftrace and histograms: a fork in the road

> but i severely doubt that the idea of doing syscall tracing using what sounds like a packet filtering language will appeal to the people who will might up using it.

You could conceptually think of a syscall as a "packet" sent to the kernel with a "request", and its "response" as another packet. (This probably makes more sense for some microkernels like seL4 where most system calls are treated as IPC to an in-kernel endpoint.)