timeval: Take a backtrace on each SIGALRM.
authorEthan Jackson <ethan@nicira.com>
Wed, 17 Oct 2012 23:43:38 +0000 (16:43 -0700)
committerEthan Jackson <ethan@nicira.com>
Thu, 25 Oct 2012 16:41:37 +0000 (09:41 -0700)
commitfdce775cc57314913b663c3efbdce25cdf61591e
treea3e57540d5c7b5daeb7aaaa1d0118443919e4b35
parentd2bcb6bb734f53f2a454ac68441e1753fd58ca48
timeval: Take a backtrace on each SIGALRM.

With this patch, timeval will take a backtrace with each SIGALRM
allowing it to retrieve a profiling snapshot instantly.  This will
be useful in future patches when backtraces are logged.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
lib/timeval.c