prof_interval
#define prof_interval JEMALLOC_N(prof_interval)
hrtime_t prof_interval;
sbintime_t prof_interval;
prof->prof_expected += prof->prof_interval;
prof->prof_interval = interval;
prof->prof_interval = nsec_to_sbt(interval);
when->cyt_interval = prof->prof_interval;
ASSERT(prof->prof_interval != 0);
when.cyt_interval = prof->prof_interval;
pcpu->profc_expected = sbinuptime() + prof->prof_interval;
pcpu->profc_interval = prof->prof_interval;
prof->prof_expected = sbinuptime() + prof->prof_interval;