From f8e6042eef05612c93efee7adb00cb006fbcc643 Mon Sep 17 00:00:00 2001 From: guanglei Date: Thu, 18 May 2006 00:21:05 +0000 Subject: I break LKET into layered structure. The first layer is those generic tapsets. The second layer is tracing specific. I checked into CVS those generic tapsets at the first step. --- tapset/tskschedule.stp | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tapset/tskschedule.stp (limited to 'tapset/tskschedule.stp') diff --git a/tapset/tskschedule.stp b/tapset/tskschedule.stp new file mode 100644 index 00000000..75ccb221 --- /dev/null +++ b/tapset/tskschedule.stp @@ -0,0 +1,27 @@ +// task scheduler tapset +// Copyright (C) 2005, 2006 IBM Corp. +// +// This file is part of systemtap, and is free software. You can +// redistribute it and/or modify it under the terms of the GNU General +// Public License (GPL); either version 2, or (at your option) any +// later version. + +/* Only applicable to SMP systems */ +probe tskdispatch.cpuidle + = kernel.inline("idle_balance") +{ +} + +probe tskdispatch.ctxswitch + = kernel.function("__switch_to") +{ +%( arch == "ppc64" %? + prev_pid = $prev->pid + next_pid = $new->pid + prevtsk_state = $prev->state +%: + prev_pid = $prev_p->pid + next_pid = $next_p->pid + prevtsk_state = $prev_p->pid +%) +} -- cgit