hs-speedscope is a simple executable for converting an eventlog into a format suitable to load into speedscope.
WARNING: Only GHC 8.10 supports generating an eventlog with the correct events for this program to work.
- Create an eventlog which contains time profiling events by running your program with
program +RTS -p -l-au.
hs-speedscopeon the resulting eventlog
- Load the resulting
program.eventlog.jsonfile into speedscope to visualise the profile.