usr/src/cmd/powertop/amd64/pt_amd64.c

   1 /*
   2  * Copyright 2009, Intel Corporation
   3  * Copyright 2009, Sun Microsystems, Inc
   4  *
   5  * This file is part of PowerTOP
   6  *
   7  * This program file is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program in a file named COPYING; if not, write to the
  18  * Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor,
  20  * Boston, MA 02110-1301 USA
  21  *
  22  * Authors:
  23  *      Arjan van de Ven <arjan@linux.intel.com>
  24  *      Eric C Saxe <eric.saxe@sun.com>
  25  *      Aubrey Li <aubrey.li@intel.com>
  26  */
  27
  28 /*
  29  * GPL Disclaimer
  30  *
  31  * For the avoidance of doubt, except that if any license choice other
  32  * than GPL or LGPL is available it will apply instead, Sun elects to
  33  * use only the General Public License version 2 (GPLv2) at this time
  34  * for any software where a choice of GPL license versions is made
  35  * available with the language indicating that GPLv2 or any later
  36  * version may be used, or where a choice of which version of the GPL
  37  * is applied is otherwise unspecified.
  38  */
  39
  40 /*
  41  * DTrace scripts for observing interrupts, callouts and cyclic events
  42  * that cause CPU activity. Such activity prevents the processor from
  43  * entering lower power states and reducing power consumption.
  44  *
  45  * g_dtp_events is the default script
  46  */
  47 const char *g_dtp_events =
  48 "interrupt-complete"
  49 "/arg0 != NULL && arg3 !=0/"
  50 "{"
  51 "       this->devi = (struct dev_info *)arg0;"
  52 "       @interrupts[stringof(`devnamesp[this->devi->devi_major].dn_name),"
  53 "            this->devi->devi_instance] = count();"
  54 "}"
  55 ""
  56 "sdt:::callout-start"
  57 "/(caddr_t)((callout_t *)arg0)->c_func == (caddr_t)&`setrun/"
  58 "{"
  59 "       this->thr = (kthread_t *)(((callout_t *)arg0)->c_arg);"
  60 "       @events_u[stringof(this->thr->t_procp->p_user.u_comm)] = count();"
  61 "}"
  62 ""
  63 "sdt:::callout-start"
  64 "/(caddr_t)((callout_t *)arg0)->c_func != (caddr_t)&`setrun/"
  65 "{"
  66 "       @events_k[(caddr_t)((callout_t *)arg0)->c_func] = count();"
  67 "}"
  68 ""
  69 "sdt:::cyclic-start"
  70 "/(caddr_t)((cyclic_t *)arg0)->cy_handler == (caddr_t)&`clock/"
  71 "{"
  72 "       @events_k[(caddr_t)((cyclic_t *)arg0)->cy_handler] = count();"
  73 "}"
  74 ""
  75 "fbt::xc_common:entry"
  76 "{"
  77 "       self->xc_func = arg0;"
  78 "}"
  79 ""
  80 "sysinfo:::xcalls"
  81 "/pid != $pid/"
  82 "{"
  83 "       @events_x[execname, self->xc_func] = sum(arg0);"
  84 "}"
  85 ""
  86 "fbt::xc_common:return"
  87 "/self->xc_func/"
  88 "{"
  89 "       self->xc_func = 0;"
  90 "}";
  91
  92 /*
  93  * g_dtp_events_v is enabled through the -v option, it includes cyclic events
  94  * in the report, allowing a complete view of system activity
  95  */
  96 const char *g_dtp_events_v =
  97 "interrupt-complete"
  98 "/arg0 != NULL && arg3 !=0/"
  99 "{"
 100 "       this->devi = (struct dev_info *)arg0;"
 101 "       @interrupts[stringof(`devnamesp[this->devi->devi_major].dn_name),"
 102 "            this->devi->devi_instance] = count();"
 103 "}"
 104 ""
 105 "sdt:::callout-start"
 106 "/(caddr_t)((callout_t *)arg0)->c_func == (caddr_t)&`setrun/"
 107 "{"
 108 "       this->thr = (kthread_t *)(((callout_t *)arg0)->c_arg);"
 109 "       @events_u[stringof(this->thr->t_procp->p_user.u_comm)] = count();"
 110 "}"
 111 ""
 112 "sdt:::callout-start"
 113 "/(caddr_t)((callout_t *)arg0)->c_func != (caddr_t)&`setrun/"
 114 "{"
 115 "       @events_k[(caddr_t)((callout_t *)arg0)->c_func] = count();"
 116 "}"
 117 ""
 118 "sdt:::cyclic-start"
 119 "/(caddr_t)((cyclic_t *)arg0)->cy_handler != (caddr_t)&`dtrace_state_deadman &&"
 120 " (caddr_t)((cyclic_t *)arg0)->cy_handler != (caddr_t)&`dtrace_state_clean/"
 121 "{"
 122 "       @events_k[(caddr_t)((cyclic_t *)arg0)->cy_handler] = count();"
 123 "}"
 124 ""
 125 "fbt::xc_common:entry"
 126 "{"
 127 "       self->xc_func = arg0;"
 128 "}"
 129 ""
 130 "sysinfo:::xcalls"
 131 "/pid != $pid/"
 132 "{"
 133 "       @events_x[execname, self->xc_func] = sum(arg0);"
 134 "}"
 135 ""
 136 "fbt::xc_common:return"
 137 "/self->xc_func/"
 138 "{"
 139 "       self->xc_func = 0;"
 140 "}";
 141
 142 /*
 143  * This script is selected through the -c option, it takes the CPU id as
 144  * argument and observes activity generated by that CPU
 145  */
 146 const char *g_dtp_events_c =
 147 "interrupt-complete"
 148 "/cpu == $0 &&"
 149 " arg0 != NULL && arg3 != 0/"
 150 "{"
 151 "       this->devi = (struct dev_info *)arg0;"
 152 "       @interrupts[stringof(`devnamesp[this->devi->devi_major].dn_name),"
 153 "            this->devi->devi_instance] = count();"
 154 "}"
 155 ""
 156 "sdt:::callout-start"
 157 "/cpu == $0 &&"
 158 " (caddr_t)((callout_t *)arg0)->c_func == (caddr_t)&`setrun/"
 159 "{"
 160 "       this->thr = (kthread_t *)(((callout_t *)arg0)->c_arg);"
 161 "       @events_u[stringof(this->thr->t_procp->p_user.u_comm)] = count();"
 162 "}"
 163 ""
 164 "sdt:::callout-start"
 165 "/cpu == $0 &&"
 166 " (caddr_t)((callout_t *)arg0)->c_func != (caddr_t)&`setrun/"
 167 "{"
 168 "       @events_k[(caddr_t)((callout_t *)arg0)->c_func] = count();"
 169 "}"
 170 ""
 171 "sdt:::cyclic-start"
 172 "/cpu == $0 &&"
 173 " (caddr_t)((cyclic_t *)arg0)->cy_handler == (caddr_t)&`clock/"
 174 "{"
 175 "       @events_k[(caddr_t)((cyclic_t *)arg0)->cy_handler] = count();"
 176 "}"
 177 ""
 178 "fbt::xc_common:entry"
 179 "/cpu == $0/"
 180 "{"
 181 "       self->xc_func = arg0;"
 182 "}"
 183 ""
 184 "sysinfo:::xcalls"
 185 "/pid != $pid &&"
 186 " cpu == $0/"
 187 "{"
 188 "       @events_x[execname, self->xc_func] = count();"
 189 "}"
 190 ""
 191 "fbt::xc_common:return"
 192 "/cpu == $0 &&"
 193 " self->xc_func/"
 194 "{"
 195 "       self->xc_func = 0;"
 196 "}"
 197 ""
 198 "fbt::xc_common:entry"
 199 "/cpu != $0/"
 200 "{"
 201 "       self->xc_func = arg0;"
 202 "       self->xc_cpu = cpu;"
 203 "}"
 204 ""
 205 "fbt::send_dirint:entry"
 206 "/pid != $pid &&"
 207 " self->xc_func &&"
 208 " arg0 == $0/"
 209 "{"
 210 "       @events_xc[execname, self->xc_func, self->xc_cpu] = count();"
 211 "       self->xc_func = 0;"
 212 "       self->xc_cpu = 0;"
 213 "}";
 214
 215 /*
 216  * amd64 platform specific display messages
 217  */
 218 const char *g_msg_idle_state = "C-states (idle power)";
 219 const char *g_msg_freq_state = "P-states (frequencies)";
 220 const char *g_msg_freq_enable = "P - Enable P-states";