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Fix timestamp math for platforms with _POSIX_MONOTONIC_CLOCK #167

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ivoanjo
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@ivoanjo ivoanjo commented Sep 7, 2021

Hello, hello! 🎉

First the disclaimer (I guess it may be relevant): I work at @DataDog on profiling for the ddtrace gem, although we don't use rb_profile_frames (but it is quite interesting).

I noticed that the fix for #122 in #163 actually missed the new _POSIX_MONOTONIC_CLOCK branch, where the math was still incorrect (used 1000 instead of 1000000 when attempting to convert seconds to microseconds).

cc @djudd @casperisfine

Hello, hello! 🎉

First the disclaimer (I guess it may be relevant): I work at @DataDog
on profiling for the [ddtrace](https://github.com/DataDog/dd-trace-rb)
gem, although we don't use `rb_profile_frames` (but it is quite
interesting).

I noticed that the fix for tmm1#122 in tmm1#163 actually missed the new
`_POSIX_MONOTONIC_CLOCK` branch, where the math was still incorrect
(used 1000 instead of 1000000 when attempting to convert seconds to
microseconds).

cc @djudd @casperisfine
@tenderlove
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Thank you!

@tenderlove tenderlove merged commit 06cc09b into tmm1:master Sep 7, 2021
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3 participants