ProfileSampler    480 src/platform-nullos.cc ProfileSampler::ProfileSampler(int interval) {
ProfileSampler    489 src/platform-nullos.cc ProfileSampler::~ProfileSampler() {
ProfileSampler    496 src/platform-nullos.cc void ProfileSampler::Start() {
ProfileSampler    501 src/platform-nullos.cc void ProfileSampler::Stop() {