pmc_save_user_callchain - FreeBSD

Symbol: pmc_save_user_callchain

sys/dev/hwpmc/hwpmc_mod.c

nsamples += pmc_save_user_callchain(ps->ps_pc + nsamples,

sys/sys/pmc.h

int pmc_save_user_callchain(uintptr_t *_cc, int _maxsamples,