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  *   do_cprofile:   get/reset call profiling tables
   6  *
   7  * Changes:
   8  *   14 Aug, 2006  Created (Rogier Meurs)
   9  */
  10
  11 #include <minix/config.h>
  12 #include <minix/profile.h>
  13 #include "pm.h"
  14 #include <sys/wait.h>
  15 #include <minix/callnr.h>
  16 #include <minix/com.h>
  17 #include <signal.h>
  18 #include "mproc.h"
  19
  20 /*===========================================================================*
  21  *                              do_sprofile                                  *
  22  *===========================================================================*/
  23 int do_sprofile(void)
  24 {
  25 #if SPROFILE
  26
  27   int r;
  28
  29   switch(m_in.m_lc_pm_sprof.action) {
  30
  31   case PROF_START:
  32         return sys_sprof(PROF_START, m_in.m_lc_pm_sprof.mem_size,
  33                 m_in.m_lc_pm_sprof.freq, m_in.m_lc_pm_sprof.intr_type, who_e,
  34                 m_in.m_lc_pm_sprof.ctl_ptr, m_in.m_lc_pm_sprof.mem_ptr);
  35
  36   case PROF_STOP:
  37         return sys_sprof(PROF_STOP,0,0,0,0,0,0);
  38
  39   default:
  40         return EINVAL;
  41   }
  42
  43 #else
  44         return ENOSYS;
  45 #endif
  46 }
  47
  48
  49 /*===========================================================================*
  50  *                              do_cprofile                                  *
  51  *===========================================================================*/
  52 int do_cprofile(void)
  53 {
  54 #if CPROFILE
  55
  56   int r;
  57
  58   switch(m_in.m_lc_pm_cprof.action) {
  59
  60   case PROF_GET:
  61         return sys_cprof(PROF_GET, m_in.m_lc_pm_cprof.mem_size, who_e,
  62                 m_in.m_lc_pm_cprof.ctl_ptr, m_in.m_lc_pm_cprof.mem_ptr);
  63
  64   case PROF_RESET:
  65         return sys_cprof(PROF_RESET,0,0,0,0);
  66
  67   default:
  68         return EINVAL;
  69   }
  70
  71 #else
  72         return ENOSYS;
  73 #endif
  74 }
  75