minix/servers/pm/profile.c

   1 /* This file implements entry points for system profiling.
   2  *
   3  * The entry points in this file are:
   4  *   do_sprofile:   start/stop statistical profiling
   5  *
   6  * Changes:
   7  *   14 Aug, 2006  Created (Rogier Meurs)
   8  */
   9
  10 #include <minix/config.h>
  11 #include <minix/profile.h>
  12 #include "pm.h"
  13 #include <sys/wait.h>
  14 #include <minix/callnr.h>
  15 #include <minix/com.h>
  16 #include <signal.h>
  17 #include "mproc.h"
  18
  19 /*===========================================================================*
  20  *                              do_sprofile                                  *
  21  *===========================================================================*/
  22 int do_sprofile(void)
  23 {
  24 #if SPROFILE
  25
  26   int r;
  27
  28   switch(m_in.m_lc_pm_sprof.action) {
  29
  30   case PROF_START:
  31         return sys_sprof(PROF_START, m_in.m_lc_pm_sprof.mem_size,
  32                 m_in.m_lc_pm_sprof.freq, m_in.m_lc_pm_sprof.intr_type, who_e,
  33                 m_in.m_lc_pm_sprof.ctl_ptr, m_in.m_lc_pm_sprof.mem_ptr);
  34
  35   case PROF_STOP:
  36         return sys_sprof(PROF_STOP,0,0,0,0,0,0);
  37
  38   default:
  39         return EINVAL;
  40   }
  41
  42 #else
  43         return ENOSYS;
  44 #endif
  45 }