bsd/dev/i386/sysctl.c

   1 /*
   2  * Copyright (c) 2003-2011 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #include <string.h>
  30 #include <sys/param.h>
  31 #include <sys/kernel.h>
  32 #include <sys/sysctl.h>
  33 #include <i386/cpuid.h>
  34 #include <i386/tsc.h>
  35 #include <i386/machine_routines.h>
  36 #include <i386/pal_routines.h>
  37 #include <i386/ucode.h>
  38 #include <kern/clock.h>
  39 #include <libkern/libkern.h>
  40 #include <i386/lapic.h>
  41
  42
  43 static int
  44 _i386_cpu_info SYSCTL_HANDLER_ARGS
  45 {
  46     __unused struct sysctl_oid *unused_oidp = oidp;
  47     void *ptr = arg1;
  48     int value;
  49
  50     if (arg2 == -1) {
  51         ptr = *(void **)ptr;
  52         arg2 = 0;
  53     }
  54
  55     if (arg2 == 0 && ((char *)ptr)[0] == '\0') {
  56         return ENOENT;
  57     }
  58
  59     if (arg2 == sizeof(uint8_t)) {
  60         value = (uint32_t) *(uint8_t *)ptr;
  61         ptr = &value;
  62         arg2 = sizeof(uint32_t);
  63     }
  64     return SYSCTL_OUT(req, ptr, arg2 ? (size_t) arg2 : strlen((char *)ptr)+1);
  65 }
  66
  67 static int
  68 i386_cpu_info SYSCTL_HANDLER_ARGS
  69 {
  70     void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  71     return _i386_cpu_info(oidp, ptr, arg2, req);
  72 }
  73
  74 static int
  75 i386_cpu_info_nonzero SYSCTL_HANDLER_ARGS
  76 {
  77     void *ptr = (uint8_t *)cpuid_info() + (uintptr_t)arg1;
  78     int value = *(uint32_t *)ptr;
  79
  80     if (value == 0)
  81         return ENOENT;
  82
  83     return _i386_cpu_info(oidp, ptr, arg2, req);
  84 }
  85 static int
  86 cpu_mwait SYSCTL_HANDLER_ARGS
  87 {
  88     i386_cpu_info_t *cpu_info = cpuid_info();
  89     void *ptr = (uint8_t *)cpu_info->cpuid_mwait_leafp + (uintptr_t)arg1;
  90     if (cpu_info->cpuid_mwait_leafp == NULL)
  91         return ENOENT;
  92     return _i386_cpu_info(oidp, ptr, arg2, req);
  93 }
  94
  95 static int
  96 cpu_thermal SYSCTL_HANDLER_ARGS
  97 {
  98     i386_cpu_info_t *cpu_info = cpuid_info();
  99     void *ptr = (uint8_t *)cpu_info->cpuid_thermal_leafp + (uintptr_t)arg1;
 100     if (cpu_info->cpuid_thermal_leafp == NULL)
 101         return ENOENT;
 102     return _i386_cpu_info(oidp, ptr, arg2, req);
 103 }
 104
 105 static int
 106 cpu_arch_perf SYSCTL_HANDLER_ARGS
 107 {
 108     i386_cpu_info_t *cpu_info = cpuid_info();
 109     void *ptr = (uint8_t *)cpu_info->cpuid_arch_perf_leafp + (uintptr_t)arg1;
 110     if (cpu_info->cpuid_arch_perf_leafp == NULL)
 111         return ENOENT;
 112     return _i386_cpu_info(oidp, ptr, arg2, req);
 113 }
 114
 115 static int
 116 cpu_xsave SYSCTL_HANDLER_ARGS
 117 {
 118     i386_cpu_info_t *cpu_info = cpuid_info();
 119     void *ptr = (uint8_t *)cpu_info->cpuid_xsave_leafp + (uintptr_t)arg1;
 120     if (cpu_info->cpuid_xsave_leafp == NULL)
 121         return ENOENT;
 122     return _i386_cpu_info(oidp, ptr, arg2, req);
 123 }
 124
 125
 126 static int
 127 cpu_features SYSCTL_HANDLER_ARGS
 128 {
 129     __unused struct sysctl_oid *unused_oidp = oidp;
 130     __unused void *unused_arg1 = arg1;
 131     __unused int unused_arg2 = arg2;
 132     char buf[512];
 133
 134     buf[0] = '\0';
 135     cpuid_get_feature_names(cpuid_features(), buf, sizeof(buf));
 136
 137     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 138 }
 139
 140 static int
 141 cpu_extfeatures SYSCTL_HANDLER_ARGS
 142 {
 143     __unused struct sysctl_oid *unused_oidp = oidp;
 144     __unused void *unused_arg1 = arg1;
 145     __unused int unused_arg2 = arg2;
 146     char buf[512];
 147
 148     buf[0] = '\0';
 149     cpuid_get_extfeature_names(cpuid_extfeatures(), buf, sizeof(buf));
 150
 151     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 152 }
 153
 154 static int
 155 cpu_leaf7_features SYSCTL_HANDLER_ARGS
 156 {
 157     __unused struct sysctl_oid *unused_oidp = oidp;
 158     __unused void *unused_arg1 = arg1;
 159     __unused int unused_arg2 = arg2;
 160     char buf[512];
 161
 162     uint32_t    leaf7_features = cpuid_info()->cpuid_leaf7_features;
 163     if (leaf7_features == 0)
 164         return ENOENT;
 165
 166     buf[0] = '\0';
 167     cpuid_get_leaf7_feature_names(leaf7_features, buf, sizeof(buf));
 168
 169     return SYSCTL_OUT(req, buf, strlen(buf) + 1);
 170 }
 171
 172 static int
 173 cpu_logical_per_package SYSCTL_HANDLER_ARGS
 174 {
 175         __unused struct sysctl_oid *unused_oidp = oidp;
 176         __unused void *unused_arg1 = arg1;
 177         __unused int unused_arg2 = arg2;
 178         i386_cpu_info_t *cpu_info = cpuid_info();
 179
 180         if (!(cpuid_features() & CPUID_FEATURE_HTT))
 181                 return ENOENT;
 182
 183         return SYSCTL_OUT(req, &cpu_info->cpuid_logical_per_package,
 184                           sizeof(cpu_info->cpuid_logical_per_package));
 185 }
 186
 187 static int
 188 cpu_flex_ratio_desired SYSCTL_HANDLER_ARGS
 189 {
 190         __unused struct sysctl_oid *unused_oidp = oidp;
 191         __unused void *unused_arg1 = arg1;
 192         __unused int unused_arg2 = arg2;
 193         i386_cpu_info_t *cpu_info = cpuid_info();
 194
 195         if (cpu_info->cpuid_model != 26)
 196                 return ENOENT;
 197
 198         return SYSCTL_OUT(req, &flex_ratio, sizeof(flex_ratio));
 199 }
 200
 201 static int
 202 cpu_flex_ratio_min SYSCTL_HANDLER_ARGS
 203 {
 204         __unused struct sysctl_oid *unused_oidp = oidp;
 205         __unused void *unused_arg1 = arg1;
 206         __unused int unused_arg2 = arg2;
 207         i386_cpu_info_t *cpu_info = cpuid_info();
 208
 209         if (cpu_info->cpuid_model != 26)
 210                 return ENOENT;
 211
 212         return SYSCTL_OUT(req, &flex_ratio_min, sizeof(flex_ratio_min));
 213 }
 214
 215 static int
 216 cpu_flex_ratio_max SYSCTL_HANDLER_ARGS
 217 {
 218         __unused struct sysctl_oid *unused_oidp = oidp;
 219         __unused void *unused_arg1 = arg1;
 220         __unused int unused_arg2 = arg2;
 221         i386_cpu_info_t *cpu_info = cpuid_info();
 222
 223         if (cpu_info->cpuid_model != 26)
 224                 return ENOENT;
 225
 226         return SYSCTL_OUT(req, &flex_ratio_max, sizeof(flex_ratio_max));
 227 }
 228
 229 static int
 230 cpu_ucode_update SYSCTL_HANDLER_ARGS
 231 {
 232         __unused struct sysctl_oid *unused_oidp = oidp;
 233         __unused void *unused_arg1 = arg1;
 234         __unused int unused_arg2 = arg2;
 235         uint64_t addr;
 236         int error;
 237
 238         error = SYSCTL_IN(req, &addr, sizeof(addr));
 239         if (error)
 240                 return error;
 241
 242         int ret = ucode_interface(addr);
 243         return ret;
 244 }
 245
 246 extern uint64_t panic_restart_timeout;
 247 static int
 248 panic_set_restart_timeout(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 249 {
 250         int new_value = 0, old_value = 0, changed = 0, error;
 251         uint64_t nstime;
 252
 253         if (panic_restart_timeout) {
 254                 absolutetime_to_nanoseconds(panic_restart_timeout, &nstime);
 255                 old_value = nstime / NSEC_PER_SEC;
 256         }
 257
 258         error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
 259         if (error == 0 && changed) {
 260                 nanoseconds_to_absolutetime(((uint64_t)new_value) * NSEC_PER_SEC, &panic_restart_timeout);
 261         }
 262         return error;
 263 }
 264
 265 /*
 266  * Populates the {CPU, vector, latency} triple for the maximum observed primary
 267  * interrupt latency
 268  */
 269 static int
 270 misc_interrupt_latency_max(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 271 {
 272         int changed = 0, error;
 273         char buf[128];
 274         buf[0] = '\0';
 275
 276         interrupt_populate_latency_stats(buf, sizeof(buf));
 277
 278         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 279
 280         if (error == 0 && changed) {
 281                 interrupt_reset_latency_stats();
 282         }
 283
 284         return error;
 285 }
 286
 287 /*
 288  * Triggers a machine-check exception - for a suitably configured kernel only.
 289  */
 290 extern void mca_exception_panic(void);
 291 static int
 292 misc_machine_check_panic(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 293 {
 294         int changed = 0, error;
 295         char buf[128];
 296         buf[0] = '\0';
 297
 298         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 299
 300         if (error == 0 && changed) {
 301                 mca_exception_panic();
 302         }
 303         return error;
 304 }
 305
 306
 307 SYSCTL_NODE(_machdep, OID_AUTO, cpu, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 308         "CPU info");
 309
 310 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_basic, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 311             (void *)offsetof(i386_cpu_info_t, cpuid_max_basic),sizeof(uint32_t),
 312             i386_cpu_info, "IU", "Max Basic Information value");
 313
 314 SYSCTL_PROC(_machdep_cpu, OID_AUTO, max_ext, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 315             (void *)offsetof(i386_cpu_info_t, cpuid_max_ext), sizeof(uint32_t),
 316             i386_cpu_info, "IU", "Max Extended Function Information value");
 317
 318 SYSCTL_PROC(_machdep_cpu, OID_AUTO, vendor, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 319             (void *)offsetof(i386_cpu_info_t, cpuid_vendor), 0,
 320             i386_cpu_info, "A", "CPU vendor");
 321
 322 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand_string, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 323             (void *)offsetof(i386_cpu_info_t, cpuid_brand_string), 0,
 324             i386_cpu_info, "A", "CPU brand string");
 325
 326 SYSCTL_PROC(_machdep_cpu, OID_AUTO, family, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 327             (void *)offsetof(i386_cpu_info_t, cpuid_family), sizeof(uint8_t),
 328             i386_cpu_info, "I", "CPU family");
 329
 330 SYSCTL_PROC(_machdep_cpu, OID_AUTO, model, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 331             (void *)offsetof(i386_cpu_info_t, cpuid_model), sizeof(uint8_t),
 332             i386_cpu_info, "I", "CPU model");
 333
 334 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extmodel, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 335             (void *)offsetof(i386_cpu_info_t, cpuid_extmodel), sizeof(uint8_t),
 336             i386_cpu_info, "I", "CPU extended model");
 337
 338 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfamily, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 339             (void *)offsetof(i386_cpu_info_t, cpuid_extfamily), sizeof(uint8_t),
 340             i386_cpu_info, "I", "CPU extended family");
 341
 342 SYSCTL_PROC(_machdep_cpu, OID_AUTO, stepping, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 343             (void *)offsetof(i386_cpu_info_t, cpuid_stepping), sizeof(uint8_t),
 344             i386_cpu_info, "I", "CPU stepping");
 345
 346 SYSCTL_PROC(_machdep_cpu, OID_AUTO, feature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 347             (void *)offsetof(i386_cpu_info_t, cpuid_features), sizeof(uint64_t),
 348             i386_cpu_info, "IU", "CPU features");
 349
 350 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_feature_bits,
 351             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 352             (void *)offsetof(i386_cpu_info_t, cpuid_leaf7_features),
 353             sizeof(uint32_t),
 354             i386_cpu_info_nonzero, "IU", "CPU Leaf7 features");
 355
 356 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeature_bits, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_LOCKED,
 357             (void *)offsetof(i386_cpu_info_t, cpuid_extfeatures), sizeof(uint64_t),
 358             i386_cpu_info, "IU", "CPU extended features");
 359
 360 SYSCTL_PROC(_machdep_cpu, OID_AUTO, signature, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 361             (void *)offsetof(i386_cpu_info_t, cpuid_signature), sizeof(uint32_t),
 362             i386_cpu_info, "I", "CPU signature");
 363
 364 SYSCTL_PROC(_machdep_cpu, OID_AUTO, brand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 365             (void *)offsetof(i386_cpu_info_t, cpuid_brand), sizeof(uint8_t),
 366             i386_cpu_info, "I", "CPU brand");
 367
 368 SYSCTL_PROC(_machdep_cpu, OID_AUTO, features, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 369             0, 0,
 370             cpu_features, "A", "CPU feature names");
 371
 372 SYSCTL_PROC(_machdep_cpu, OID_AUTO, leaf7_features,
 373             CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 374             0, 0,
 375             cpu_leaf7_features, "A", "CPU Leaf7 feature names");
 376
 377 SYSCTL_PROC(_machdep_cpu, OID_AUTO, extfeatures, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_LOCKED,
 378             0, 0,
 379             cpu_extfeatures, "A", "CPU extended feature names");
 380
 381 SYSCTL_PROC(_machdep_cpu, OID_AUTO, logical_per_package,
 382             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 383             0, 0,
 384             cpu_logical_per_package, "I", "CPU logical cpus per package");
 385
 386 SYSCTL_PROC(_machdep_cpu, OID_AUTO, cores_per_package,
 387             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 388             (void *)offsetof(i386_cpu_info_t, cpuid_cores_per_package),
 389             sizeof(uint32_t),
 390             i386_cpu_info, "I", "CPU cores per package");
 391
 392 SYSCTL_PROC(_machdep_cpu, OID_AUTO, microcode_version,
 393             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 394             (void *)offsetof(i386_cpu_info_t, cpuid_microcode_version),
 395             sizeof(uint32_t),
 396             i386_cpu_info, "I", "Microcode version number");
 397
 398 SYSCTL_PROC(_machdep_cpu, OID_AUTO, processor_flag,
 399             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 400             (void *)offsetof(i386_cpu_info_t, cpuid_processor_flag),
 401             sizeof(uint32_t),
 402             i386_cpu_info, "I", "CPU processor flag");
 403
 404
 405 SYSCTL_NODE(_machdep_cpu, OID_AUTO, mwait, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 406         "mwait");
 407
 408 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_min,
 409             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 410             (void *)offsetof(cpuid_mwait_leaf_t, linesize_min),
 411             sizeof(uint32_t),
 412             cpu_mwait, "I", "Monitor/mwait minimum line size");
 413
 414 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, linesize_max,
 415             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 416             (void *)offsetof(cpuid_mwait_leaf_t, linesize_max),
 417             sizeof(uint32_t),
 418             cpu_mwait, "I", "Monitor/mwait maximum line size");
 419
 420 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, extensions,
 421             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 422             (void *)offsetof(cpuid_mwait_leaf_t, extensions),
 423             sizeof(uint32_t),
 424             cpu_mwait, "I", "Monitor/mwait extensions");
 425
 426 SYSCTL_PROC(_machdep_cpu_mwait, OID_AUTO, sub_Cstates,
 427             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 428             (void *)offsetof(cpuid_mwait_leaf_t, sub_Cstates),
 429             sizeof(uint32_t),
 430             cpu_mwait, "I", "Monitor/mwait sub C-states");
 431
 432
 433 SYSCTL_NODE(_machdep_cpu, OID_AUTO, thermal, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 434         "thermal");
 435
 436 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, sensor,
 437             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 438             (void *)offsetof(cpuid_thermal_leaf_t, sensor),
 439             sizeof(boolean_t),
 440             cpu_thermal, "I", "Thermal sensor present");
 441
 442 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, dynamic_acceleration,
 443             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 444             (void *)offsetof(cpuid_thermal_leaf_t, dynamic_acceleration),
 445             sizeof(boolean_t),
 446             cpu_thermal, "I", "Dynamic Acceleration Technology (Turbo Mode)");
 447
 448 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, invariant_APIC_timer,
 449             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 450             (void *)offsetof(cpuid_thermal_leaf_t, invariant_APIC_timer),
 451             sizeof(boolean_t),
 452             cpu_thermal, "I", "Invariant APIC Timer");
 453
 454 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, thresholds,
 455             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 456             (void *)offsetof(cpuid_thermal_leaf_t, thresholds),
 457             sizeof(uint32_t),
 458             cpu_thermal, "I", "Number of interrupt thresholds");
 459
 460 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, ACNT_MCNT,
 461             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 462             (void *)offsetof(cpuid_thermal_leaf_t, ACNT_MCNT),
 463             sizeof(boolean_t),
 464             cpu_thermal, "I", "ACNT_MCNT capability");
 465
 466 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, core_power_limits,
 467             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 468             (void *)offsetof(cpuid_thermal_leaf_t, core_power_limits),
 469             sizeof(boolean_t),
 470             cpu_thermal, "I", "Power Limit Notifications at a Core Level");
 471
 472 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, fine_grain_clock_mod,
 473             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 474             (void *)offsetof(cpuid_thermal_leaf_t, fine_grain_clock_mod),
 475             sizeof(boolean_t),
 476             cpu_thermal, "I", "Fine Grain Clock Modulation");
 477
 478 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, package_thermal_intr,
 479             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 480             (void *)offsetof(cpuid_thermal_leaf_t, package_thermal_intr),
 481             sizeof(boolean_t),
 482             cpu_thermal, "I", "Package Thermal interrupt and Status");
 483
 484 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, hardware_feedback,
 485             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 486             (void *)offsetof(cpuid_thermal_leaf_t, hardware_feedback),
 487             sizeof(boolean_t),
 488             cpu_thermal, "I", "Hardware Coordination Feedback");
 489
 490 SYSCTL_PROC(_machdep_cpu_thermal, OID_AUTO, energy_policy,
 491             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 492             (void *)offsetof(cpuid_thermal_leaf_t, energy_policy),
 493             sizeof(boolean_t),
 494             cpu_thermal, "I", "Energy Efficient Policy Support");
 495
 496 SYSCTL_NODE(_machdep_cpu, OID_AUTO, xsave, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 497         "xsave");
 498
 499 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state,
 500             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 501             (void *)offsetof(cpuid_xsave_leaf_t, extended_state),
 502             sizeof(cpuid_xsave_leaf_t),
 503             cpu_xsave, "IU", "XSAVE Extended State");
 504
 505
 506 SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 507         "arch_perf");
 508
 509 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version,
 510             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 511             (void *)offsetof(cpuid_arch_perf_leaf_t, version),
 512             sizeof(uint8_t),
 513             cpu_arch_perf, "I", "Architectural Performance Version Number");
 514
 515 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number,
 516             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 517             (void *)offsetof(cpuid_arch_perf_leaf_t, number),
 518             sizeof(uint8_t),
 519             cpu_arch_perf, "I", "Number of counters per logical cpu");
 520
 521 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width,
 522             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 523             (void *)offsetof(cpuid_arch_perf_leaf_t, width),
 524             sizeof(uint8_t),
 525             cpu_arch_perf, "I", "Bit width of counters");
 526
 527 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number,
 528             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 529             (void *)offsetof(cpuid_arch_perf_leaf_t, events_number),
 530             sizeof(uint8_t),
 531             cpu_arch_perf, "I", "Number of monitoring events");
 532
 533 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events,
 534             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 535             (void *)offsetof(cpuid_arch_perf_leaf_t, events),
 536             sizeof(uint32_t),
 537             cpu_arch_perf, "I", "Bit vector of events");
 538
 539 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number,
 540             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 541             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number),
 542             sizeof(uint8_t),
 543             cpu_arch_perf, "I", "Number of fixed-function counters");
 544
 545 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width,
 546             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 547             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width),
 548             sizeof(uint8_t),
 549             cpu_arch_perf, "I", "Bit-width of fixed-function counters");
 550
 551
 552 SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 553         "cache");
 554
 555 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize,
 556             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 557             (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize),
 558             sizeof(uint32_t),
 559             i386_cpu_info, "I", "Cacheline size");
 560
 561 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity,
 562             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 563             (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity),
 564             sizeof(uint32_t),
 565             i386_cpu_info, "I", "L2 cache associativity");
 566
 567 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size,
 568             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 569             (void *)offsetof(i386_cpu_info_t, cpuid_cache_size),
 570             sizeof(uint32_t),
 571             i386_cpu_info, "I", "Cache size (in Kbytes)");
 572
 573
 574 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 575         "tlb");
 576 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, inst, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 577         "inst");
 578 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 579         "data");
 580
 581 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small,
 582             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 583             (void *)offsetof(i386_cpu_info_t,
 584                              cpuid_tlb[TLB_INST][TLB_SMALL][0]),
 585             sizeof(uint32_t),
 586             i386_cpu_info_nonzero, "I",
 587             "Number of small page instruction TLBs");
 588
 589 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small,
 590             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 591             (void *)offsetof(i386_cpu_info_t,
 592                              cpuid_tlb[TLB_DATA][TLB_SMALL][0]),
 593             sizeof(uint32_t),
 594             i386_cpu_info_nonzero, "I",
 595             "Number of small page data TLBs (1st level)");
 596
 597 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1,
 598             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 599             (void *)offsetof(i386_cpu_info_t,
 600                              cpuid_tlb[TLB_DATA][TLB_SMALL][1]),
 601             sizeof(uint32_t),
 602             i386_cpu_info_nonzero, "I",
 603             "Number of small page data TLBs (2nd level)");
 604
 605 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large,
 606             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 607             (void *)offsetof(i386_cpu_info_t,
 608                              cpuid_tlb[TLB_INST][TLB_LARGE][0]),
 609             sizeof(uint32_t),
 610             i386_cpu_info_nonzero, "I",
 611             "Number of large page instruction TLBs");
 612
 613 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large,
 614             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 615             (void *)offsetof(i386_cpu_info_t,
 616                              cpuid_tlb[TLB_DATA][TLB_LARGE][0]),
 617             sizeof(uint32_t),
 618             i386_cpu_info_nonzero, "I",
 619             "Number of large page data TLBs (1st level)");
 620
 621 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1,
 622             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 623             (void *)offsetof(i386_cpu_info_t,
 624                              cpuid_tlb[TLB_DATA][TLB_LARGE][1]),
 625             sizeof(uint32_t),
 626             i386_cpu_info_nonzero, "I",
 627             "Number of large page data TLBs (2nd level)");
 628
 629 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared,
 630             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 631             (void *)offsetof(i386_cpu_info_t, cpuid_stlb),
 632             sizeof(uint32_t),
 633             i386_cpu_info_nonzero, "I",
 634             "Number of shared TLBs");
 635
 636
 637 SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 638         "address_bits");
 639
 640 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical,
 641             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 642             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical),
 643             sizeof(uint32_t),
 644             i386_cpu_info, "I", "Number of physical address bits");
 645
 646 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual,
 647             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 648             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual),
 649             sizeof(uint32_t),
 650             i386_cpu_info, "I", "Number of virtual address bits");
 651
 652
 653 SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count,
 654             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 655             (void *)offsetof(i386_cpu_info_t, core_count),
 656             sizeof(uint32_t),
 657             i386_cpu_info, "I", "Number of enabled cores per package");
 658
 659 SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count,
 660             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 661             (void *)offsetof(i386_cpu_info_t, thread_count),
 662             sizeof(uint32_t),
 663             i386_cpu_info, "I", "Number of enabled threads per package");
 664
 665 SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 666         "Flex ratio");
 667
 668 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired,
 669             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 670             0, 0,
 671             cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)");
 672
 673 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min,
 674             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 675             0, 0,
 676             cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)");
 677
 678 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max,
 679             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 680             0, 0,
 681             cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)");
 682
 683 SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate,
 684                         CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0,
 685             cpu_ucode_update, "S", "Microcode update interface");
 686
 687 static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT);
 688 static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT);
 689
 690 SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0,
 691         "Interrupt vector assignments");
 692
 693 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (uint32_t *)&apic_timer_vector, 0, "");
 694 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (uint32_t *)&apic_IPI_vector, 0, "");
 695
 696 uint64_t pmap_pv_hashlist_walks;
 697 uint64_t pmap_pv_hashlist_cnts;
 698 uint32_t pmap_pv_hashlist_max;
 699 uint32_t pmap_kernel_text_ps = PAGE_SIZE;
 700 extern uint32_t pv_hashed_kern_low_water_mark;
 701
 702 /*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/
 703
 704 SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 705         "PMAP info");
 706
 707 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, "");
 708 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, "");
 709 SYSCTL_INT     (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, "");
 710 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, "");
 711 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, "");
 712
 713 SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "physical memory map");
 714
 715 uint64_t firmware_Conventional_bytes = 0;
 716 uint64_t firmware_RuntimeServices_bytes = 0;
 717 uint64_t firmware_ACPIReclaim_bytes = 0;
 718 uint64_t firmware_ACPINVS_bytes = 0;
 719 uint64_t firmware_PalCode_bytes = 0;
 720 uint64_t firmware_Reserved_bytes = 0;
 721 uint64_t firmware_Unusable_bytes = 0;
 722 uint64_t firmware_other_bytes = 0;
 723
 724 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Conventional, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Conventional_bytes, "");
 725 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, RuntimeServices, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_RuntimeServices_bytes, "");
 726 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPIReclaim, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPIReclaim_bytes, "");
 727 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPINVS, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPINVS_bytes, "");
 728 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, PalCode, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_PalCode_bytes, "");
 729 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Reserved, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Reserved_bytes, "");
 730 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Unusable, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Unusable_bytes, "");
 731 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_other_bytes, "");
 732
 733 SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters");
 734
 735 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency,
 736         CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, "");
 737
 738 extern uint32_t deep_idle_rebase;
 739 SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase,
 740         CTLFLAG_RW|CTLFLAG_KERN|CTLFLAG_LOCKED, &deep_idle_rebase, 0, "");
 741
 742 SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime,
 743         CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion");
 744 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base,
 745         CTLFLAG_RD | CTLFLAG_LOCKED,
 746         (uint64_t *) &pal_rtc_nanotime_info.tsc_base, "");
 747 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base,
 748         CTLFLAG_RD | CTLFLAG_LOCKED,
 749         (uint64_t *)&pal_rtc_nanotime_info.ns_base, "");
 750 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale,
 751         CTLFLAG_RD | CTLFLAG_LOCKED,
 752         (uint32_t *)&pal_rtc_nanotime_info.scale, 0, "");
 753 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift,
 754         CTLFLAG_RD | CTLFLAG_LOCKED,
 755         (uint32_t *)&pal_rtc_nanotime_info.shift, 0, "");
 756 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation,
 757         CTLFLAG_RD | CTLFLAG_LOCKED,
 758         (uint32_t *)&pal_rtc_nanotime_info.generation, 0, "");
 759
 760 SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 761         "Miscellaneous x86 kernel parameters");
 762
 763 SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout,
 764             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 765             0, 0,
 766             panic_set_restart_timeout, "I", "Panic restart timeout in seconds");
 767
 768 SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max,
 769             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 770             0, 0,
 771             misc_interrupt_latency_max, "A", "Maximum Interrupt latency");
 772
 773 SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic,
 774             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 775             0, 0,
 776             misc_machine_check_panic, "A", "Machine-check exception test");
 777
 778
 779
 780 extern void timer_queue_trace_cpu(int);
 781 static int
 782 misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 783 {
 784         int changed = 0, error;
 785         char buf[128];
 786         buf[0] = '\0';
 787
 788         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 789
 790         if (error == 0 && changed) {
 791                 timer_queue_trace_cpu(0);
 792         }
 793         return error;
 794 }
 795
 796 SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace,
 797             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 798             0, 0,
 799             misc_timer_queue_trace, "A", "Cut timer queue tracepoint");
 800
 801 extern long NMI_count;
 802 extern void NMI_cpus(void);
 803 static int
 804 misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 805 {
 806         int new = 0, old = 0, changed = 0, error;
 807
 808         old = NMI_count;
 809
 810         error = sysctl_io_number(req, old, sizeof(int), &new, &changed);
 811         if (error == 0 && changed) {
 812                 NMI_cpus();
 813         }
 814
 815         return error;
 816 }
 817
 818 SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis,
 819             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 820             0, 0,
 821             misc_nmis, "I", "Report/increment NMI count");
 822
 823 /* Parameters related to timer coalescing tuning, to be replaced
 824  * with a dedicated systemcall in the future.
 825  */
 826 /* Enable processing pending timers in the context of any other interrupt */
 827 SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled,
 828                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 829                 &interrupt_timer_coalescing_enabled, 0, "");
 830 /* Upon entering idle, process pending timers with HW deadlines
 831  * this far in the future.
 832  */
 833 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max,
 834                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 835                 &idle_entry_timer_processing_hdeadline_threshold, 0, "");
 836 /* Coalescing tuning parameters for various thread/task attributes */
 837 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_bg_scale,
 838                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 839                 &tcoal_prio_params.timer_coalesce_bg_shift, 0, "");
 840
 841 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_bg_ns_max,
 842                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 843                 &tcoal_prio_params.timer_coalesce_bg_ns_max, "");
 844
 845 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_kt_scale,
 846                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 847                 &tcoal_prio_params.timer_coalesce_kt_shift, 0, "");
 848
 849 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_kt_ns_max,
 850                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 851                 &tcoal_prio_params.timer_coalesce_kt_ns_max, "");
 852
 853 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_fp_scale,
 854                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 855                 &tcoal_prio_params.timer_coalesce_fp_shift, 0, "");
 856
 857 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_fp_ns_max,
 858                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 859                 &tcoal_prio_params.timer_coalesce_fp_ns_max, "");
 860
 861 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_ts_scale,
 862                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 863                 &tcoal_prio_params.timer_coalesce_ts_shift, 0, "");
 864
 865 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_ts_ns_max,
 866                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 867                 &tcoal_prio_params.timer_coalesce_ts_ns_max, "");
 868
 869 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier0_scale,
 870                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 871                 &tcoal_prio_params.latency_qos_scale[0], 0, "");
 872
 873 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_tier0_ns_max,
 874                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 875                 &tcoal_prio_params.latency_qos_ns_max[0], "");
 876
 877 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier1_scale,
 878                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 879                 &tcoal_prio_params.latency_qos_scale[1], 0, "");
 880
 881 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_tier1_ns_max,
 882                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 883                 &tcoal_prio_params.latency_qos_ns_max[1], "");
 884
 885 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier2_scale,
 886                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 887                 &tcoal_prio_params.latency_qos_scale[2], 0, "");
 888
 889 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_tier2_ns_max,
 890                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 891                 &tcoal_prio_params.latency_qos_ns_max[2], "");
 892
 893 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier3_scale,
 894                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 895                 &tcoal_prio_params.latency_qos_scale[3], 0, "");
 896
 897 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_tier3_ns_max,
 898                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 899                 &tcoal_prio_params.latency_qos_ns_max[3], "");
 900
 901 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier4_scale,
 902                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 903                 &tcoal_prio_params.latency_qos_scale[4], 0, "");
 904
 905 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_tier4_ns_max,
 906                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 907                 &tcoal_prio_params.latency_qos_ns_max[4], "");
 908
 909 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier5_scale,
 910                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 911                 &tcoal_prio_params.latency_qos_scale[5], 0, "");
 912
 913 SYSCTL_QUAD(_kern, OID_AUTO, timer_coalesce_tier5_ns_max,
 914                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 915                 &tcoal_prio_params.latency_qos_ns_max[5], "");
 916
 917 /* Track potentially expensive eager timer evaluations on QoS tier
 918  * switches.
 919  */
 920 extern uint32_t ml_timer_eager_evaluations;
 921
 922 SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations,
 923                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 924                 &ml_timer_eager_evaluations, 0, "");
 925
 926 extern uint64_t ml_timer_eager_evaluation_max;
 927
 928 SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max,
 929                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 930                 &ml_timer_eager_evaluation_max, "");
 931
 932 /* Communicate the "user idle level" heuristic to the timer layer, and
 933  * potentially other layers in the future.
 934  */
 935
 936 static int
 937 timer_set_user_idle_level(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) {
 938         int new_value = 0, old_value = 0, changed = 0, error;
 939
 940         old_value = ml_timer_get_user_idle_level();
 941
 942         error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
 943
 944         if (error == 0 && changed) {
 945                 if (ml_timer_set_user_idle_level(new_value) != KERN_SUCCESS)
 946                         error = ERANGE;
 947         }
 948
 949         return error;
 950 }
 951
 952 SYSCTL_PROC(_machdep, OID_AUTO, user_idle_level,
 953             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 954             0, 0,
 955             timer_set_user_idle_level, "I", "User idle level heuristic, 0-128");