On Wed, 12 Apr 2023 at 13:25, Herbert Groot Jebbink < herb...@groot.jebbink.nl> wrote:
> fallback for REQUEST_TIME and REQUEST_TIME_FLOAT to hrtime seems not > possible, hrtime is not based on the actual time, hrtime can be used to > calculate a duration or so, not to retrieve the actual time itself. > Fair enough, but that makes my first question all the more important: are there any situations or platforms where generating an hrtime value for every request would have a performance penalty? How does that performance (for everyone) compare with a single call to microtime(true) in your application to calculate the duration from REQUEST_TIME_FLOAT to start of profiling, with all subsequent profiling using hrtime? Regards, -- Rowan Tommins [IMSoP]
