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 states)"; 219 const char *g_msg_freq_state = "P-states (frequencies)"; 220