R Under development (unstable) (2024-02-13 r85898 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> source("incl/start.R")
> 
> message("*** cpuLoad() ...")
*** cpuLoad() ...
> 
> loadavg <- cpuLoad()
> print(loadavg)
 1min  5min 15min 
   NA    NA    NA 
> 
> stopifnot(
+   is.numeric(loadavg),
+   length(loadavg) == 3L,
+   !is.null(names(loadavg)),
+   identical(names(loadavg), c("1min", "5min", "15min")),
+   all(is.na(loadavg) | loadavg >= 0)
+ )
> 
> message("*** cpuLoad() ... DONE")
*** cpuLoad() ... DONE
> 
> source("incl/end.R")
> 
> proc.time()
   user  system elapsed 
   0.17    0.04    0.21