simoop: improve timing printouts

This records the amount of time required to run the filler threads,
adds a signal handler for SIGINT, and reworks the final stats printed on
process exit.

Signed-off-by: Chris Mason <clm@fb.com>
1 file changed
tree: a12bd8a1e7c7f3b49cd0304915408f181fb280f8
  1. Makefile
  2. simoop.c
  3. xxhash.c
  4. xxhash.h