1"scope","track_name","ts","dur","slice_name","key","value" 2"gpu_log","GPU Log",1,0,"VERBOSE","message","message0" 3"gpu_log","GPU Log",1,0,"VERBOSE","tag","tag0" 4"gpu_log","GPU Log",2,0,"DEBUG","message","message1" 5"gpu_log","GPU Log",2,0,"DEBUG","tag","tag0" 6"gpu_log","GPU Log",3,0,"INFO","message","message2" 7"gpu_log","GPU Log",3,0,"INFO","tag","tag0" 8"gpu_log","GPU Log",4,0,"ERROR","message","message4" 9"gpu_log","GPU Log",4,0,"ERROR","tag","tag0" 10"gpu_log","GPU Log",4,0,"WARNING","message","message3" 11"gpu_log","GPU Log",4,0,"WARNING","tag","tag0" 12"gpu_log","GPU Log",5,0,"VERBOSE","message","message5" 13"gpu_log","GPU Log",5,0,"VERBOSE","tag","tag1" 14