PMC_USER_CALLCHAIN_PENDING
callchaindepth = PMC_USER_CALLCHAIN_PENDING;
ps->ps_nsamples = PMC_USER_CALLCHAIN_PENDING;
if (callchaindepth != PMC_USER_CALLCHAIN_PENDING)
ps->ps_nsamples != PMC_USER_CALLCHAIN_PENDING ||
if (ps->ps_nsamples == PMC_USER_CALLCHAIN_PENDING) {
if (ps->ps_nsamples == PMC_USER_CALLCHAIN_PENDING) {