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 #include "param.h"
  20
  21 /*===========================================================================*
  22  *                              do_sprofile                                  *
  23  *===========================================================================*/
  24 int do_sprofile(void)
  25 {
  26 #if SPROFILE
  27
  28   int r;
  29
  30   switch(m_in.PROF_ACTION) {
  31
  32   case PROF_START:
  33         return sys_sprof(PROF_START, m_in.PROF_MEM_SIZE, m_in.PROF_FREQ,
  34                         m_in.PROF_INTR_TYPE,
  35                         who_e, m_in.PROF_CTL_PTR, m_in.PROF_MEM_PTR);
  36
  37   case PROF_STOP:
  38         return sys_sprof(PROF_STOP,0,0,0,0,0,0);
  39
  40   default:
  41         return EINVAL;
  42   }
  43
  44 #else
  45         return ENOSYS;
  46 #endif
  47 }
  48
  49
  50 /*===========================================================================*
  51  *                              do_cprofile                                  *
  52  *===========================================================================*/
  53 int do_cprofile(void)
  54 {
  55 #if CPROFILE
  56
  57   int r;
  58
  59   switch(m_in.PROF_ACTION) {
  60
  61   case PROF_GET:
  62         return sys_cprof(PROF_GET, m_in.PROF_MEM_SIZE, who_e,
  63                 m_in.PROF_CTL_PTR, m_in.PROF_MEM_PTR);
  64
  65   case PROF_RESET:
  66         return sys_cprof(PROF_RESET,0,0,0,0);
  67
  68   default:
  69         return EINVAL;
  70   }
  71
  72 #else
  73         return ENOSYS;
  74 #endif
  75 }
  76