On Mon, Jul 31, 2023 at 7:58 PM theratliter theratliter
<theratli...@gmail.com> wrote:
>
> hello, everyone ! Does anyone know what the `startTime` is in the cpu 
> profile. From the code point of view (v8/src/base/platform/time.cc), it seems 
> that the implementation is different under different systems?

startTime is the system time in microseconds, and yes, the meaning of
"system time" is different across platforms. It's probably best to
treat it as counting from some arbitrary point in the past.

FWIW, I believe you should prefer the "ts" field over "startTime". The
former aligns with the timestamps used in the tracing subsystem.

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