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add comment af965d012390c5c18c16a94f0714e720 on issue 478ac34c204be06b1da5b4f0b5a2532d

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Sebastian Kuzminsky 2025-07-22 20:45:59 -06:00
parent dfcf014303
commit 15dc384d78
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478ac34c204be06b1da5b4f0b5a2532d/comments/af965d012390c5c18c16a94f0714e720/description Normal file
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I added a simple performance-measuring tool, `tools/time-ent`. It runs
ent a couple of different ways, against a known entomologist-data branch
(specified by a commit in the regular entomologist-data branch in this
repo). That script gives a rough, over-all measurement of how long
different ent commands take.
More detailed information, including the call tree and flame graph,
can be gathered like this:
```
$ perf record -g -F 999 ent tag 7e2a3a59fb6b77403ff1035255367607
$ perf script -F +pid > /tmp/test.perf
```
Then upload the `test.perf` file to the firefox visualizer at
<https://profiler.firefox.com/>.
A local visualizer would be nice, i'm sure there is one somewhere.