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VM profiler (#14833)

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* Crude VM profiler

* Added --profileVM flag, refactoring

* fixed FileLine hash

* Use TLineInfo instead of own FileLine, updated formatting

* Refactoring, moved PStackFrame to vmdefs for cleaner data structure

* Moved vmprofiler to separate file

* Simplified TLineInfo hash, use toFileLineCol for output

* Hash

* Moved profile data into Config, dump only once at end of run

* Changed profile output header to show '#instr' instead of 'count'

* Do not accumulate instrcount for non-top frames

Co-authored-by: Ico Doornekamp <git@zevv.nl>
This commit is contained in:
Ico Doornekamp 2020-07-09 19:18:35 +02:00 • committed by GitHub
commit d7ccd82eac
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doc/advopt.txt
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@ -150,5 +150,6 @@ Advanced options:
works better with `--stackTrace:on`
see also https://nim-lang.github.io/Nim/estp.html
--benchmarkVM:on|off enable benchmarking of VM code with cpuTime()
--profileVM:on|off enable compile time VM profiler
--sinkInference:on|off en-/disable sink parameter inference (default: on)
--panics:on|off turn panics into process terminations (default: off)