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Diffstat (limited to 'lib/runtime_tools/examples/process-scheduling.systemtap')
-rw-r--r-- | lib/runtime_tools/examples/process-scheduling.systemtap | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/runtime_tools/examples/process-scheduling.systemtap b/lib/runtime_tools/examples/process-scheduling.systemtap new file mode 100644 index 0000000000..4cc3ef555c --- /dev/null +++ b/lib/runtime_tools/examples/process-scheduling.systemtap @@ -0,0 +1,45 @@ +/* + * %CopyrightBegin% + * + * Copyright Scott Lystig Fritchie and Andreas Schultz, 2011-2012. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ +/* + * Note: This file assumes that you're using the non-SMP-enabled Erlang + * virtual machine, "beam". The SMP-enabled VM is called "beam.smp". + * Note that other variations of the virtual machine also have + * different names, e.g. the debug build of the SMP-enabled VM + * is "beam.debug.smp". + * + * To use a different virtual machine, replace each instance of + * "beam" with "beam.smp" or the VM name appropriate to your + * environment. + */ + +probe process("beam").mark("process-scheduled") +{ + printf(" Schedule pid %s mfa %s\n", user_string($arg1), user_string($arg2)); +} + +probe process("beam").mark("process-unscheduled") +{ + printf("Unschedule pid %s\n", user_string($arg1)); +} + +probe process("beam").mark("process-hibernate") +{ + printf(" Hibernate pid %s resume mfa %s\n", + user_string($arg1), user_string($arg2)); +} |