Sorry, I should've removed the pid number from the output. The
following should be correct:
> $ sudo dd if=/dev/sda bs=4K count=2048K | ./test +RTS -M1M -s >/dev/null
>
...
8589934592 bytes (8.6 GB) copied, 243.525 s, 35.3 MB/s
41,942,119,192 bytes allocated in the heap
228,827,904 bytes copied during GC
104,048 bytes maximum residency (6 sample(s))
24,408 bytes maximum slop
2 MB total memory in use (0 MB lost due to fragmentation)
...
> $ while pidof test >/dev/null; do ps -o rss= -p $(pidof test); sleep 1; done
> | tail
32056
32408
32832
33264
33684
34100
34560
34900
35384
35816 # ~ 35MB
Thanks!
~dsouza
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