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The ftrace and perf subsystems provide visibility into the workings of the kernel; by activating existing tracepoints, interested developers can see what is happening at specific points in the code. As much as kernel developers may resist the notion, though, not all events of interest on a system happen within the kernel. Administrators will often want to look inside user-space processes as well; they would be even happier with a mechanism that allows the simultaneous tracing of events in both the kernel and user space. The user-events subsystem, developed by Beau Belgrave and added during the 5.18 merge window, promises that capability, but users will almost certainly have to wait another cycle to gain access to it. ....
Jaderné noviny – přehled za srpen 2021 abclinuxu.cz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from abclinuxu.cz Daily Mail and Mail on Sunday newspapers.