At Wed, 24 Aug 2022 13:34:54 +0900, Michael Paquier <mich...@paquier.xyz> wrote in > On Wed, Aug 24, 2022 at 10:48:01AM +0900, Kyotaro Horiguchi wrote: > > By the way, I think we use INSTR_TIME_* macros to do masure internal > > durations (mainly for the monotonic clock characteristics, and to > > reduce performance degradation on Windows?). I'm not sure that's > > crutial here but I don't think there's any reason to use > > GetCurrentTimestamp() instead. > > This implies two calls of gettimeofday(), but that does not worry me > much in this code path. There is some consistency with > CheckpointGuts() where we take timestamps for the sync requests.
Mmm. heap_vacuum_rel does the same. From the other direction, the two are the only use of GetCurrentTimestamp() for this purpose. However, I'm fine with that. Thanks for the info. regards. -- Kyotaro Horiguchi NTT Open Source Software Center