"name","ts","dur","thread_dur"
"event1_on_t1",1000,100,10000
"event2_on_t1",2000,200,30000
"event3_on_t1",2000,200,10000
"event4_on_t1",4000,0,0
"float_counter_on_t1",4300,0,"[NULL]"
"float_counter_on_t1",4500,0,"[NULL]"
"event1_on_t3",4000,100,5000