Make use of newly added libprocstat(3) ability to extract procstat
info from a process core file.
So now one can run procstat(1) on a process core e.g. to get a list of
files opened by a process when it crashed:
root@lisa:/ # procstat -f /root/vi.core
PID COMM FD T V FLAGS REF OFFSET PRO NAME
658 vi text v r r-------- - - - /usr/bin/vi
658 vi ctty v c rw------- - - - /dev/pts/0
658 vi cwd v d r-------- - - - /root
658 vi root v d r-------- - - - /
658 vi 0 v c rw------- 11 3208 - /dev/pts/0
658 vi 1 v c rw------- 11 3208 - /dev/pts/0
658 vi 2 v c rw------- 11 3208 - /dev/pts/0
658 vi 3 v r r----n-l- 1 0 - /tmp/vi.0AYKz3Lps7
658 vi 4 v r rw------- 1 0 - /var/tmp/vi.recover/vi.GaGYsz
658 vi 5 v r rw------- 1 0 - -
PR: kern/173723
Suggested by: jhb
MFC after: 1 month
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head/usr.bin/procstat/procstat.1