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Floid 20 Jul @ 11:11pm
Question about Steam In-Game Performance Monitor.
Ok so I have my Steam Perf Mon set to full details (show everything).
And there is this row of little vertical green bars in-between the cpu utilisation numbers and the cpu boost clock numbers. At first I assumed they where a visual depiction of all my cores individual utilisation, as the bars can be seen fluctuating up and down.

However having tested the Steam Perf Mon in a few games now, and comparing what the little green bars are showing compared against other cpu core monitoring software I have on a second monitor - the two should match each other, but they do not. Even tho the polling period for the Steam Perf Mon and the other software are the same.

So my question is, what is this row of little green bars in the Steam Perf Mon ? There seems to be no info on this in the post released by Valve explaining the Perf Mon overlay.

Cheers :steamthumbsup:
Last edited by Floid; 20 Jul @ 11:16pm
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Originally posted by tintingaroo:
It is a depiction of core utilisation. You'll see a toggle "Show CPU Utilization Per-Core Graph" in the settings. Maybe the other software is using different metrics? ¯\_(ツ)_/¯

Compare Steam & the other software against the core readout in Task Manager's Performance tab. Steam and Task Manager should correspond.
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tintingaroo 21 Jul @ 1:55pm 
It is a depiction of core utilisation. You'll see a toggle "Show CPU Utilization Per-Core Graph" in the settings. Maybe the other software is using different metrics? ¯\_(ツ)_/¯

Compare Steam & the other software against the core readout in Task Manager's Performance tab. Steam and Task Manager should correspond.
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Floid 22 Jul @ 4:59pm 
Originally posted by tintingaroo:
It is a depiction of core utilisation. You'll see a toggle "Show CPU Utilization Per-Core Graph" in the settings. Maybe the other software is using different metrics? ¯\_(ツ)_/¯

Compare Steam & the other software against the core readout in Task Manager's Performance tab. Steam and Task Manager should correspond.

Excellent, thank you !

I does indeed appear as if the Steam Perf Mon is drawing all of it's CPU related statistics right from windows task manager. Which is both good, and bad unfortunately :(

While task manager is accurate in most of it's readouts - unfortunately there is a fairly well known bug with task manager's clock speed value - where it's using the wrong info (FSB, Multiplier, etc) to calculate the live clock speed, and thus gives an incorrect valve.

This is easily verified by checking task manger's clock speed value against something like HWinfo or AIDA64.

So if you are seeing a clock speed value in Steam Perf Mon that's either lower than you'd expect, or higher than your boost speed should go - it's likely just that your task manager is bugged.
Last edited by Floid; 22 Jul @ 5:02pm
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Date Posted: 20 Jul @ 11:11pm
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