Running btt with -p option on the binary output of blkparse, I noticed the following two weird cases and would appreciate it if anyone can come up with an explanation for them. 1) In some IOs the time reported for C is earlier than for example D!!!Here is an example: 8,16 : 159.151387465 Q 75313664+256 159.183107850 G 75313664+256 159.183108979 I 75313664+256 159.183109762 D 75313664+256 159.169694274 C 75313664+256 2) In some others there are very very long (say hundreds of seconds) delays between (Q I G D C) steps. Example of this case: 8,16 : 34386.651240899 Q 106649088+256 34386.651241669 G 106649088+256 34386.651243565 I 106649088+256 34386.651244370 D 106649088+256 35548.738015688 C 106649088+256 -- To unsubscribe from this list: send the line "unsubscribe linux-btrace" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html