Fix HUD CPU usage: measure /proc/stat load instead of clock-frequency#614
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Fix HUD CPU usage: measure /proc/stat load instead of clock-frequency#614Xnick417x wants to merge 6 commits into
Xnick417x wants to merge 6 commits into
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… ratio Compute CPU% from /proc/stat busy vs idle jiffie deltas (on-screen HUD and Task Manager pane, aggregate and per-core) instead of scaling_cur_freq/max which does not reflect actual utilization. Add Mali GPU load fallbacks (/sys/kernel/gpu/gpu_busy, /proc/mtk_mali/utilization).
Poll the second CPU sample after 500ms during warm-up (then settle to 1s) and force a redraw when the first real value lands, so the on-screen HUD stops showing CPU N/A within about half a second instead of a full second. Reset the previous sample when stats start so re-showing the HUD no longer reports a delta spanning the hidden period.
On devices where the app cannot read /proc/stat, the delta sampler returned no data and the HUD showed CPU N/A. Try /proc/stat first (accurate) and fall back to the clock-frequency estimate so a value always shows, on both the on-screen HUD and the Task Manager pane.
The kgsl gpubusy counter reads busy=0 total=0 at idle; dividing by total==0 fell through to the read-failure path and showed N/A. Return 0 for that case.
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Compute CPU% from /proc/stat busy vs idle jiffie deltas (on-screen HUD and Task Manager pane, aggregate and per-core) instead of scaling_cur_freq/max which does not reflect actual utilization. Add Mali GPU load fallbacks (/sys/kernel/gpu/gpu_busy, /proc/mtk_mali/utilization).