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 *) 0,
 502             sizeof(cpuid_xsave_leaf_t),
 503             cpu_xsave, "IU", "XSAVE Extended State Main Leaf");
 504
 505 SYSCTL_PROC(_machdep_cpu_xsave, OID_AUTO, extended_state1,
 506             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 507             (void *) sizeof(cpuid_xsave_leaf_t),
 508             sizeof(cpuid_xsave_leaf_t),
 509             cpu_xsave, "IU", "XSAVE Extended State Sub-leaf 1");
 510
 511
 512 SYSCTL_NODE(_machdep_cpu, OID_AUTO, arch_perf, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 513         "arch_perf");
 514
 515 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, version,
 516             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 517             (void *)offsetof(cpuid_arch_perf_leaf_t, version),
 518             sizeof(uint8_t),
 519             cpu_arch_perf, "I", "Architectural Performance Version Number");
 520
 521 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, number,
 522             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 523             (void *)offsetof(cpuid_arch_perf_leaf_t, number),
 524             sizeof(uint8_t),
 525             cpu_arch_perf, "I", "Number of counters per logical cpu");
 526
 527 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, width,
 528             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 529             (void *)offsetof(cpuid_arch_perf_leaf_t, width),
 530             sizeof(uint8_t),
 531             cpu_arch_perf, "I", "Bit width of counters");
 532
 533 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events_number,
 534             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 535             (void *)offsetof(cpuid_arch_perf_leaf_t, events_number),
 536             sizeof(uint8_t),
 537             cpu_arch_perf, "I", "Number of monitoring events");
 538
 539 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, events,
 540             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 541             (void *)offsetof(cpuid_arch_perf_leaf_t, events),
 542             sizeof(uint32_t),
 543             cpu_arch_perf, "I", "Bit vector of events");
 544
 545 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_number,
 546             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 547             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_number),
 548             sizeof(uint8_t),
 549             cpu_arch_perf, "I", "Number of fixed-function counters");
 550
 551 SYSCTL_PROC(_machdep_cpu_arch_perf, OID_AUTO, fixed_width,
 552             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 553             (void *)offsetof(cpuid_arch_perf_leaf_t, fixed_width),
 554             sizeof(uint8_t),
 555             cpu_arch_perf, "I", "Bit-width of fixed-function counters");
 556
 557
 558 SYSCTL_NODE(_machdep_cpu, OID_AUTO, cache, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 559         "cache");
 560
 561 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, linesize,
 562             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 563             (void *)offsetof(i386_cpu_info_t, cpuid_cache_linesize),
 564             sizeof(uint32_t),
 565             i386_cpu_info, "I", "Cacheline size");
 566
 567 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, L2_associativity,
 568             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 569             (void *)offsetof(i386_cpu_info_t, cpuid_cache_L2_associativity),
 570             sizeof(uint32_t),
 571             i386_cpu_info, "I", "L2 cache associativity");
 572
 573 SYSCTL_PROC(_machdep_cpu_cache, OID_AUTO, size,
 574             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 575             (void *)offsetof(i386_cpu_info_t, cpuid_cache_size),
 576             sizeof(uint32_t),
 577             i386_cpu_info, "I", "Cache size (in Kbytes)");
 578
 579
 580 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tlb, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 581         "tlb");
 582 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, inst, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 583         "inst");
 584 SYSCTL_NODE(_machdep_cpu_tlb, OID_AUTO, data, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 585         "data");
 586
 587 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, small,
 588             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 589             (void *)offsetof(i386_cpu_info_t,
 590                              cpuid_tlb[TLB_INST][TLB_SMALL][0]),
 591             sizeof(uint32_t),
 592             i386_cpu_info_nonzero, "I",
 593             "Number of small page instruction TLBs");
 594
 595 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small,
 596             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 597             (void *)offsetof(i386_cpu_info_t,
 598                              cpuid_tlb[TLB_DATA][TLB_SMALL][0]),
 599             sizeof(uint32_t),
 600             i386_cpu_info_nonzero, "I",
 601             "Number of small page data TLBs (1st level)");
 602
 603 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, small_level1,
 604             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 605             (void *)offsetof(i386_cpu_info_t,
 606                              cpuid_tlb[TLB_DATA][TLB_SMALL][1]),
 607             sizeof(uint32_t),
 608             i386_cpu_info_nonzero, "I",
 609             "Number of small page data TLBs (2nd level)");
 610
 611 SYSCTL_PROC(_machdep_cpu_tlb_inst, OID_AUTO, large,
 612             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 613             (void *)offsetof(i386_cpu_info_t,
 614                              cpuid_tlb[TLB_INST][TLB_LARGE][0]),
 615             sizeof(uint32_t),
 616             i386_cpu_info_nonzero, "I",
 617             "Number of large page instruction TLBs");
 618
 619 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large,
 620             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 621             (void *)offsetof(i386_cpu_info_t,
 622                              cpuid_tlb[TLB_DATA][TLB_LARGE][0]),
 623             sizeof(uint32_t),
 624             i386_cpu_info_nonzero, "I",
 625             "Number of large page data TLBs (1st level)");
 626
 627 SYSCTL_PROC(_machdep_cpu_tlb_data, OID_AUTO, large_level1,
 628             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 629             (void *)offsetof(i386_cpu_info_t,
 630                              cpuid_tlb[TLB_DATA][TLB_LARGE][1]),
 631             sizeof(uint32_t),
 632             i386_cpu_info_nonzero, "I",
 633             "Number of large page data TLBs (2nd level)");
 634
 635 SYSCTL_PROC(_machdep_cpu_tlb, OID_AUTO, shared,
 636             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 637             (void *)offsetof(i386_cpu_info_t, cpuid_stlb),
 638             sizeof(uint32_t),
 639             i386_cpu_info_nonzero, "I",
 640             "Number of shared TLBs");
 641
 642
 643 SYSCTL_NODE(_machdep_cpu, OID_AUTO, address_bits, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 644         "address_bits");
 645
 646 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, physical,
 647             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 648             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_physical),
 649             sizeof(uint32_t),
 650             i386_cpu_info, "I", "Number of physical address bits");
 651
 652 SYSCTL_PROC(_machdep_cpu_address_bits, OID_AUTO, virtual,
 653             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 654             (void *)offsetof(i386_cpu_info_t, cpuid_address_bits_virtual),
 655             sizeof(uint32_t),
 656             i386_cpu_info, "I", "Number of virtual address bits");
 657
 658
 659 SYSCTL_PROC(_machdep_cpu, OID_AUTO, core_count,
 660             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 661             (void *)offsetof(i386_cpu_info_t, core_count),
 662             sizeof(uint32_t),
 663             i386_cpu_info, "I", "Number of enabled cores per package");
 664
 665 SYSCTL_PROC(_machdep_cpu, OID_AUTO, thread_count,
 666             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 667             (void *)offsetof(i386_cpu_info_t, thread_count),
 668             sizeof(uint32_t),
 669             i386_cpu_info, "I", "Number of enabled threads per package");
 670
 671 SYSCTL_NODE(_machdep_cpu, OID_AUTO, flex_ratio, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 672         "Flex ratio");
 673
 674 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, desired,
 675             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 676             0, 0,
 677             cpu_flex_ratio_desired, "I", "Flex ratio desired (0 disabled)");
 678
 679 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, min,
 680             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 681             0, 0,
 682             cpu_flex_ratio_min, "I", "Flex ratio min (efficiency)");
 683
 684 SYSCTL_PROC(_machdep_cpu_flex_ratio, OID_AUTO, max,
 685             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 686             0, 0,
 687             cpu_flex_ratio_max, "I", "Flex ratio max (non-turbo)");
 688
 689 SYSCTL_PROC(_machdep_cpu, OID_AUTO, ucupdate,
 690             CTLTYPE_INT | CTLFLAG_WR | CTLFLAG_LOCKED, 0, 0,
 691             cpu_ucode_update, "S", "Microcode update interface");
 692
 693 SYSCTL_NODE(_machdep_cpu, OID_AUTO, tsc_ccc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 694         "TSC/CCC frequency information");
 695
 696 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, numerator,
 697             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 698             (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.numerator),
 699             sizeof(uint32_t),
 700             i386_cpu_info, "I", "Numerator of TSC/CCC ratio");
 701
 702 SYSCTL_PROC(_machdep_cpu_tsc_ccc, OID_AUTO, denominator,
 703             CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
 704             (void *)offsetof(i386_cpu_info_t, cpuid_tsc_leaf.denominator),
 705             sizeof(uint32_t),
 706             i386_cpu_info, "I", "Denominator of TSC/CCC ratio");
 707
 708 static const uint32_t apic_timer_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_TIMER_INTERRUPT);
 709 static const uint32_t apic_IPI_vector = (LAPIC_DEFAULT_INTERRUPT_BASE + LAPIC_INTERPROCESSOR_INTERRUPT);
 710
 711 SYSCTL_NODE(_machdep, OID_AUTO, vectors, CTLFLAG_RD | CTLFLAG_LOCKED, 0,
 712         "Interrupt vector assignments");
 713
 714 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, timer, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_timer_vector), 0, "");
 715 SYSCTL_UINT     (_machdep_vectors, OID_AUTO, IPI, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, __DECONST(uint32_t *,&apic_IPI_vector), 0, "");
 716
 717 uint64_t pmap_pv_hashlist_walks;
 718 uint64_t pmap_pv_hashlist_cnts;
 719 uint32_t pmap_pv_hashlist_max;
 720 uint32_t pmap_kernel_text_ps = PAGE_SIZE;
 721 extern uint32_t pv_hashed_kern_low_water_mark;
 722
 723 /*extern struct sysctl_oid_list sysctl__machdep_pmap_children;*/
 724
 725 SYSCTL_NODE(_machdep, OID_AUTO, pmap, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 726         "PMAP info");
 727
 728 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashwalks, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_walks, "");
 729 SYSCTL_QUAD    (_machdep_pmap, OID_AUTO, hashcnts, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_cnts, "");
 730 SYSCTL_INT     (_machdep_pmap, OID_AUTO, hashmax, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_pv_hashlist_max, 0, "");
 731 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kernel_text_ps, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &pmap_kernel_text_ps, 0, "");
 732 SYSCTL_INT     (_machdep_pmap, OID_AUTO, kern_pv_reserve, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, &pv_hashed_kern_low_water_mark, 0, "");
 733
 734 SYSCTL_NODE(_machdep, OID_AUTO, memmap, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "physical memory map");
 735
 736 uint64_t firmware_Conventional_bytes = 0;
 737 uint64_t firmware_RuntimeServices_bytes = 0;
 738 uint64_t firmware_ACPIReclaim_bytes = 0;
 739 uint64_t firmware_ACPINVS_bytes = 0;
 740 uint64_t firmware_PalCode_bytes = 0;
 741 uint64_t firmware_Reserved_bytes = 0;
 742 uint64_t firmware_Unusable_bytes = 0;
 743 uint64_t firmware_other_bytes = 0;
 744
 745 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Conventional, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Conventional_bytes, "");
 746 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, RuntimeServices, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_RuntimeServices_bytes, "");
 747 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPIReclaim, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPIReclaim_bytes, "");
 748 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, ACPINVS, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_ACPINVS_bytes, "");
 749 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, PalCode, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_PalCode_bytes, "");
 750 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Reserved, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Reserved_bytes, "");
 751 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Unusable, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_Unusable_bytes, "");
 752 SYSCTL_QUAD(_machdep_memmap, OID_AUTO, Other, CTLFLAG_RD|CTLFLAG_LOCKED, &firmware_other_bytes, "");
 753
 754 SYSCTL_NODE(_machdep, OID_AUTO, tsc, CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "Timestamp counter parameters");
 755
 756 SYSCTL_QUAD(_machdep_tsc, OID_AUTO, frequency,
 757         CTLFLAG_RD|CTLFLAG_LOCKED, &tscFreq, "");
 758
 759 extern uint32_t deep_idle_rebase;
 760 SYSCTL_UINT(_machdep_tsc, OID_AUTO, deep_idle_rebase,
 761         CTLFLAG_RW|CTLFLAG_KERN|CTLFLAG_LOCKED, &deep_idle_rebase, 0, "");
 762
 763 SYSCTL_NODE(_machdep_tsc, OID_AUTO, nanotime,
 764         CTLFLAG_RD|CTLFLAG_LOCKED, NULL, "TSC to ns conversion");
 765 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, tsc_base,
 766         CTLFLAG_RD | CTLFLAG_LOCKED,
 767         __DECONST(uint64_t *, &pal_rtc_nanotime_info.tsc_base), "");
 768 SYSCTL_QUAD(_machdep_tsc_nanotime, OID_AUTO, ns_base,
 769         CTLFLAG_RD | CTLFLAG_LOCKED,
 770         __DECONST(uint64_t *, &pal_rtc_nanotime_info.ns_base), "");
 771 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, scale,
 772         CTLFLAG_RD | CTLFLAG_LOCKED,
 773         __DECONST(uint32_t *, &pal_rtc_nanotime_info.scale), 0, "");
 774 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, shift,
 775         CTLFLAG_RD | CTLFLAG_LOCKED,
 776         __DECONST(uint32_t *, &pal_rtc_nanotime_info.shift), 0, "");
 777 SYSCTL_UINT(_machdep_tsc_nanotime, OID_AUTO, generation,
 778         CTLFLAG_RD | CTLFLAG_LOCKED,
 779         __DECONST(uint32_t *, &pal_rtc_nanotime_info.generation), 0, "");
 780
 781 SYSCTL_NODE(_machdep, OID_AUTO, misc, CTLFLAG_RW|CTLFLAG_LOCKED, 0,
 782         "Miscellaneous x86 kernel parameters");
 783
 784 SYSCTL_PROC(_machdep_misc, OID_AUTO, panic_restart_timeout,
 785             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 786             0, 0,
 787             panic_set_restart_timeout, "I", "Panic restart timeout in seconds");
 788
 789 SYSCTL_PROC(_machdep_misc, OID_AUTO, interrupt_latency_max,
 790             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 791             0, 0,
 792             misc_interrupt_latency_max, "A", "Maximum Interrupt latency");
 793
 794 SYSCTL_PROC(_machdep_misc, OID_AUTO, machine_check_panic,
 795             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 796             0, 0,
 797             misc_machine_check_panic, "A", "Machine-check exception test");
 798
 799 #if DEVELOPMENT || DEBUG
 800 SYSCTL_QUAD(_machdep, OID_AUTO, reportphyreadabs,
 801                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 802                 &reportphyreaddelayabs, "");
 803 SYSCTL_INT(_machdep, OID_AUTO, reportphyreadosbt,
 804                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 805                 &reportphyreadosbt, 0, "");
 806 #endif
 807
 808 extern void timer_queue_trace_cpu(int);
 809 static int
 810 misc_timer_queue_trace(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 811 {
 812         int changed = 0, error;
 813         char buf[128];
 814         buf[0] = '\0';
 815
 816         error = sysctl_io_string(req, buf, sizeof(buf), 0, &changed);
 817
 818         if (error == 0 && changed) {
 819                 timer_queue_trace_cpu(0);
 820         }
 821         return error;
 822 }
 823
 824 SYSCTL_PROC(_machdep_misc, OID_AUTO, timer_queue_trace,
 825             CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_LOCKED,
 826             0, 0,
 827             misc_timer_queue_trace, "A", "Cut timer queue tracepoint");
 828
 829 extern long NMI_count;
 830 extern void NMI_cpus(void);
 831 static int
 832 misc_nmis(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
 833 {
 834         int new = 0, old = 0, changed = 0, error;
 835
 836         old = NMI_count;
 837
 838         error = sysctl_io_number(req, old, sizeof(int), &new, &changed);
 839         if (error == 0 && changed) {
 840                 NMI_cpus();
 841         }
 842
 843         return error;
 844 }
 845
 846 SYSCTL_PROC(_machdep_misc, OID_AUTO, nmis,
 847             CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
 848             0, 0,
 849             misc_nmis, "I", "Report/increment NMI count");
 850
 851 /* Parameters related to timer coalescing tuning, to be replaced
 852  * with a dedicated systemcall in the future.
 853  */
 854 /* Enable processing pending timers in the context of any other interrupt */
 855 SYSCTL_INT(_kern, OID_AUTO, interrupt_timer_coalescing_enabled,
 856                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 857                 &interrupt_timer_coalescing_enabled, 0, "");
 858 /* Upon entering idle, process pending timers with HW deadlines
 859  * this far in the future.
 860  */
 861 SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_idle_entry_hard_deadline_max,
 862                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 863                 &idle_entry_timer_processing_hdeadline_threshold, 0, "");
 864
 865 /* Track potentially expensive eager timer evaluations on QoS tier
 866  * switches.
 867  */
 868 extern uint32_t ml_timer_eager_evaluations;
 869
 870 SYSCTL_INT(_machdep, OID_AUTO, eager_timer_evaluations,
 871                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 872                 &ml_timer_eager_evaluations, 0, "");
 873
 874 extern uint64_t ml_timer_eager_evaluation_max;
 875
 876 SYSCTL_QUAD(_machdep, OID_AUTO, eager_timer_evaluation_max,
 877                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 878                 &ml_timer_eager_evaluation_max, "");
 879 extern uint64_t x86_isr_fp_simd_use;
 880 SYSCTL_QUAD(_machdep, OID_AUTO, x86_fp_simd_isr_uses,
 881                 CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
 882                 &x86_isr_fp_simd_use, "");