Finding a profiler that works, damnit
Finding a profiler that works, damnit
Posted Mar 26, 2010 23:28 UTC (Fri) by nix (subscriber, #2304)In reply to: Finding a profiler that works, damnit by foom
Parent article: KVM, QEMU, and kernel project management
There is already a DWARF unwinder in the kernel (or was, and it could be
resurrected). The tricky part is making it paranoid enough to be
non-DoSable, even by hostile generators of DWARF2. IIRC the kernel
unwinder was ripped out by Linus because it kept falling over when
unwinding purely kernel stack frames...
resurrected). The tricky part is making it paranoid enough to be
non-DoSable, even by hostile generators of DWARF2. IIRC the kernel
unwinder was ripped out by Linus because it kept falling over when
unwinding purely kernel stack frames...