package goblint

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Static analysis framework for C

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Dune Dependency

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goblint-2.5.0.tbz
sha256=452d8491527aea21f2cbb11defcc14ba0daf9fdb6bdb9fc0af73e56eac57b916
sha512=1993cd45c4c7fe124ca6e157f07d17ec50fab5611b270a434ed1b7fb2910aa85a8e6eaaa77dad770430710aafb2f6d676c774dd33942d921f23e2f9854486551

doc/src/goblint.std/gobGc.ml.html

Source file gobGc.ml

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(* print GC statistics; taken from Cil.Stats.print which also includes timing; there's also Gc.print_stat, but it's in words instead of MB and more info than we want (also slower than quick_stat since it goes through the heap) *)
let print_quick_stat chn =
  let gc = Gc.quick_stat () in
  let printM (w: float) : string =
    let coeff = float_of_int (Sys.word_size / 8) in
    Printf.sprintf "%.2fMB" (w *. coeff /. 1000000.0)
  in
  Printf.fprintf chn
    "Memory statistics: total=%s, max=%s, minor=%s, major=%s, promoted=%s\n    minor collections=%d  major collections=%d compactions=%d\n"
    (printM (gc.Gc.minor_words +. gc.Gc.major_words
             -. gc.Gc.promoted_words))
    (printM (float_of_int gc.Gc.top_heap_words))
    (printM gc.Gc.minor_words)
    (printM gc.Gc.major_words)
    (printM gc.Gc.promoted_words)
    gc.Gc.minor_collections
    gc.Gc.major_collections
    gc.Gc.compactions;
  gc
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