2239   int tid;             // 0..n-1 when running in n threads  member
2245       : tid(index),  in ThreadState()
3312     thread->stats.Start(thread->tid);  in ThreadBody()
5621     if (thread->tid > 0) {  in IteratorCreationWhileWriting()
5744     if (thread->tid > 0) {  in SeekRandomWhileWriting()
5752     if (thread->tid > 0) {  in SeekRandomWhileMerging()
5793     if (thread->tid > 0) {  in ReadWhileWriting()
5801     if (thread->tid > 0) {  in ReadWhileMerging()
5879     if (thread->tid > 0) {  in ReadWhileScanning()
6397     thread->stats.Start(thread->tid);  in WriteSeqSeekSeq()
6824     if (thread->tid > 0) {  in TimeSeries()
6826                          thread->tid <= FLAGS_num_deletion_threads;  in TimeSeries()