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Project description
Python interface to CPU counters on Linux
Or, a minimal wrapper around the py-perf-event2 Rust crate, using the Linux perf subsystem.
To install: pip install py-perf-event
Example
from py_perf_event import measure, Hardware
[instructions1] = measure([Hardware.INSTRUCTIONS], sum, range(1_000_000))
print(instructions1)
[instructions2] = measure([Hardware.INSTRUCTIONS], sum, range(10_000_000))
print(instructions2)
assert instructions1 > 1_000_000
assert 7 < (instructions2 / instructions1) < 15
Other usage
See the tests for more examples.
Until more docs are available, you can use the underlying Rust libraries docs to see what fields are available on the Hardware and CacheId/CacheOp/CacheResult classes.
Changelog
- 0.2: Exposed
Rawevents. - 0.1: Initial, very minimal release.
Release history Release notifications | RSS feed
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