probes/pm-trace.c

   1 /*
   2  * ltt/probes/pm-trace.c
   3  *
   4  * Power Management tracepoint probes.
   5  *
   6  * (C) Copyright 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
   7  * Dual LGPL v2.1/GPL v2 license.
   8  */
   9
  10 #include <linux/module.h>
  11 #include <trace/pm.h>
  12
  13 void probe_pm_idle_entry(void *_data)
  14 {
  15         trace_mark_tp(pm, idle_entry, pm_idle_entry,
  16                 probe_pm_idle_entry, "irqstate #1%d",
  17                 irqs_disabled());
  18 }
  19
  20 void probe_pm_idle_exit(void *_data)
  21 {
  22         trace_mark_tp(pm, idle_exit, pm_idle_exit,
  23                 probe_pm_idle_exit, "irqstate #1%d",
  24                 irqs_disabled());
  25 }
  26
  27 void probe_pm_suspend_entry(void *_data)
  28 {
  29         trace_mark_tp(pm, suspend_entry, pm_suspend_entry,
  30                 probe_pm_suspend_entry, "irqstate #1%d",
  31                 irqs_disabled());
  32 }
  33
  34 void probe_pm_suspend_exit(void *_data)
  35 {
  36         trace_mark_tp(pm, suspend_exit, pm_suspend_exit,
  37                 probe_pm_suspend_exit, "irqstate #1%d",
  38                 irqs_disabled());
  39 }
  40
  41 MODULE_LICENSE("GPL and additional rights");
  42 MODULE_AUTHOR("Mathieu Desnoyers");
  43 MODULE_DESCRIPTION("Power Management Tracepoint Probes");