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-rw-r--r--tapset/tskschedule.stp27
1 files changed, 27 insertions, 0 deletions
diff --git a/tapset/tskschedule.stp b/tapset/tskschedule.stp
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+++ b/tapset/tskschedule.stp
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+// 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
+%)
+}