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commit 9723c18737011b723ed7d00334b898a0ca72f212
Author: David Bidner <[email protected]>
Date: Thu Sep 17 19:59:15 2026 +0200
procfs: sum per-CPU times for the aggregate "cpu" line
The aggregate "cpu" line of /proc/stat currently just repeats cpu0's
values. As on Linux, it should be the sum over all CPUs: top, htop and
other tools divide it by the number of CPUs to obtain the per-CPU
average, so on SMP systems every reported CPU percentage was scaled by
the number of CPUs (e.g. 800% for one busy core on an 8-CPU box).
* procfs/rootdir.c (rootdir_gc_stat): read every CPU's idle time,
sum them and emit the aggregate "cpu" line from the totals.
Message-ID: <[email protected]>
-----------------------------------------------------------------------
Summary of changes:
procfs/rootdir.c | 47 +++++++++++++++++++++++++++++------------------
1 file changed, 29 insertions(+), 18 deletions(-)
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Hurd
