[Crash-utility] Thoughts on swap_usage Crash extension?

[Aaron Tomlin]

Hi,

This is a trivial crash extension to report the actual swap consumption of each 
user process.
What do you think, any suggestions [1]?

For example:

        crash> ps tuned
           PID    PPID  CPU       TASK        ST  %MEM     VSZ    RSS  COMM
           1237      1  20  ffff8805418d7500  IN   0.0  174728   1664  tuned
        crash> vm -p 1237 | grep SWAP | wc -l
        974
        crash> extend swap_usage.so
        ./swap_usage.so: shared object loaded
        crash> swap_usage | grep tuned
         1237   3896    tuned
        crash> p/d 974 << 2
        $3 = 3896
        crash>

Thanks,
Aaron
---
[1]: 
https://github.com/aktlin115/crash-extension/blob/f5667ca9e4a521c0aaa31303fb74c169ac0b0efd/swap_usage.c

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