diff options
Diffstat (limited to 'examples/sleeptime.stp')
-rwxr-xr-x | examples/sleeptime.stp | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/examples/sleeptime.stp b/examples/sleeptime.stp deleted file mode 100755 index 252e50cc..00000000 --- a/examples/sleeptime.stp +++ /dev/null @@ -1,63 +0,0 @@ -#! /usr/bin/env stap - -/* - * Copyright (C) 2006 Daniel Berrange, Red Hat Inc. - * Copyright (C) 2007 Will Cohen, Red Hat, Inc. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License v.2. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Print out the amount of time spent in the nanosleep and compat_nanosleep - * systemcalls. This can help find which processes are waking based on time - * rather than some real event than needs to be handled. - * - * Format is: - * 12799538 3389 (xchat) nanosleep: 9547 - * 12846944 2805 (NetworkManager) nanosleep: 100964 - * 12947924 2805 (NetworkManager) nanosleep: 100946 - * 13002925 4757 (sleep) nanosleep: 13000717 - */ - -global start -global entry_nanosleep - -function timestamp:long() { - return gettimeofday_us() - start -} - -function proc:string() { - return sprintf("%d (%s)", pid(), execname()) -} - -probe begin { - start = gettimeofday_us() -} - -probe syscall.nanosleep { - t = gettimeofday_us(); p = pid() - entry_nanosleep[p] = t -} - -probe syscall.nanosleep.return { - t = gettimeofday_us(); p = pid() - elapsed_time = t - entry_nanosleep[p] - printf("%d %s nanosleep: %d\n", timestamp(), proc(), elapsed_time) - delete entry_nanosleep[p] -} - -probe syscall.compat_nanosleep ? { - t = gettimeofday_us(); p = pid() - entry_nanosleep[p] = t -} - -probe syscall.compat_nanosleep.return ? { - t = gettimeofday_us(); p = pid() - elapsed_time = t - entry_nanosleep[p] - printf("%d %s compat_nanosleep: %d\n", timestamp(), proc(), elapsed_time) - delete entry_nanosleep[p] -} |