Added macOS support

[ArneTR]

Greptile Summary

Added macOS support to the eco-ci-energy-estimation project by implementing platform-specific CPU monitoring and system compatibility checks, while maintaining existing Linux functionality.

• Added /scripts/cpu-utilization-macos.sh using iostat for macOS-specific CPU monitoring with nanosecond precision
• Updated /scripts/setup.sh to dynamically select CPU monitoring script based on OS detection (uname)
• Modified /scripts/vars.sh to handle missing /proc filesystem gracefully on non-Linux systems
• Added macOS setup instructions in README.md requiring coreutils installation for microsecond timestamp support
• Fixed path handling in /scripts/make_measurement.sh to properly handle spaces in filepaths

[greptile-apps]

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[github-actions]

Eco-CI Output:

Label	🖥 avg. CPU utilization [%]	🔋 Total Energy [Joules]	🔌 avg. Power [Watts]	Duration [Seconds]
Total Run (incl. overhead)	8.40917	35.2655	2.54	13.89
No quotes allowed in labels	11.845	7.38683	2.71	2.73
(Soo this is something) echo SHELL	9.80333	10.1674	3.29	3.09
Environment setup (OS ubuntu-24.04, lint)	5.39333	8.93948	2.91	3.07
No quotes allowed in labels	5.16667	8.77181	2.85	3.08

🌳 CO2 Data:
City: Boydton, Lat: 36.6676, Lon: -78.3875
IP: 20.57.79.172
CO₂ from energy is: 0.018831510 g
CO₂ from manufacturing (embodied carbon) is: 0.003963009 g
Carbon Intensity for this location: 534 gCO₂eq/kWh
SCI: 0.022795 gCO₂eq / pipeline run emitted

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Total cost of whole PR so far:

[github-actions]

Eco-CI Output:

Label	🖥 avg. CPU utilization [%]	🔋 Total Energy [Joules]	🔌 avg. Power [Watts]	Duration [Seconds]
Total Run (incl. overhead)	4.81917	27.0316	1.88	14.40
No quotes allowed in labels	10.645	5.8936	2.01	2.93
(Soo this is something) echo SHELL	4.46333	7.65697	2.43	3.15
Environment setup (OS ubuntu-22.04, lint)	2.08	7.33682	2.37	3.09
No quotes allowed in labels	0.84	6.14422	1.99	3.09

🌳 CO2 Data:
City: Washington, Lat: 38.7095, Lon: -78.1539
IP: 20.55.46.205
CO₂ from energy is: 0.014434554 g
CO₂ from manufacturing (embodied carbon) is: 0.004108519 g
Carbon Intensity for this location: 534 gCO₂eq/kWh
SCI: 0.018543 gCO₂eq / pipeline run emitted

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Total cost of whole PR so far:

[github-actions]

Eco-CI Output:

Label	🖥 avg. CPU utilization [%]	🔋 Total Energy [Joules]	🔌 avg. Power [Watts]	Duration [Seconds]
Total Run (incl. overhead)	8.03167	34.0021	2.34	14.54
No quotes allowed in labels	13.52	7.49348	2.50	3.00
(Soo this is something) echo SHELL	7.47667	9.32665	3.00	3.11
Environment setup (OS ubuntu-20.04, lint)	5.89	9.15718	2.97	3.08
No quotes allowed in labels	4.48	8.02482	2.61	3.08

🌳 CO2 Data:
City: Chicago, Lat: 41.8835, Lon: -87.6305
IP: 172.183.91.176
CO₂ from energy is: 0.018157068 g
CO₂ from manufacturing (embodied carbon) is: 0.004148463 g
Carbon Intensity for this location: 534 gCO₂eq/kWh
SCI: 0.022306 gCO₂eq / pipeline run emitted

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Total cost of whole PR so far:

[greptile-apps]

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