128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/*
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* Copyright (c) 2000-2021 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _SYS_RESOURCE_PRIVATE_H_
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#define _SYS_RESOURCE_PRIVATE_H_
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#include <os/base.h>
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#include <stdint.h>
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#include <sys/cdefs.h>
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/*
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* The kind of counters to copy into the destination buffer with
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* `thread_selfcounts`.
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*/
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__enum_decl(thread_selfcounts_kind_t, uint32_t, {
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/*
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* Get the current thread's cycles and instructions -- may return ENOTSUP
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* on certain hardware.
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*/
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THSC_CPI = 1,
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/*
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* Same as `THSC_CPI`, except fills in an array indexed by CPU perf-level,
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* with `sysctl hw.nperflevels` entries.
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*/
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THSC_CPI_PER_PERF_LEVEL = 2,
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/*
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* Get the current thread's cycles, instructions, user time and system time.
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* Instructions and cycles may be left 0 on certain hardware. System time
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* may be accounted for by user time and left 0 on certain hardware.
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*/
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THSC_TIME_CPI = 3,
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/*
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* Same as `THSC_TIME_CPI`, except fills in an array indexed by CPU
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* perf-level, with `sysctl hw.nperflevels` entries.
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*/
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THSC_TIME_CPI_PER_PERF_LEVEL = 4,
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/*
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* Get the current thread's cycles, instructions, times, and energy usage.
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*/
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THSC_TIME_ENERGY_CPI = 5,
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/*
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* Same as `THSC_TIME_ENERGY_CPI`, except fills in an array indexd by CPU
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* perf-level, with `sysctl hw.nperflevels` entries.
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*/
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THSC_TIME_ENERGY_CPI_PER_PERF_LEVEL = 6,
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});
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/*
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* The data structure expected by `THSC_CPI*`.
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*/
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struct thsc_cpi {
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uint64_t tcpi_instructions;
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uint64_t tcpi_cycles;
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};
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/*
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* The data structure expected by `THSC_TIME_CPI*`.
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*/
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struct thsc_time_cpi {
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uint64_t ttci_instructions;
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uint64_t ttci_cycles;
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uint64_t ttci_user_time_mach;
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uint64_t ttci_system_time_mach;
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};
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/*
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* The data structure expected by `THSC_TIME_ENERGY_CPI*`.
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*/
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struct thsc_time_energy_cpi {
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uint64_t ttec_instructions;
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uint64_t ttec_cycles;
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uint64_t ttec_user_time_mach;
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uint64_t ttec_system_time_mach;
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uint64_t ttec_energy_nj;
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};
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#ifndef KERNEL
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#include <stddef.h>
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#include <Availability.h>
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#include <AvailabilityInternalPrivate.h>
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__BEGIN_DECLS
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/*
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* Get the current thread's counters according to a `kind` and store them into
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* `dst`.
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*/
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__SPI_AVAILABLE(macos(12.4), ios(15.4), watchos(8.5), tvos(15.4))
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int thread_selfcounts(thread_selfcounts_kind_t kind, void *dst, size_t size);
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__END_DECLS
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#endif /* !defined(KERNEL) */
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/* Additional private parameters to getpriority()/setpriority( */
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#define PRIO_DARWIN_GAME_MODE 7 /* Second argument is a PID */
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#define PRIO_DARWIN_GAME_MODE_OFF 0x0
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#define PRIO_DARWIN_GAME_MODE_ON 0x1
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#endif /* !defined(_SYS_RESOURCE_PRIVATE_H_) */
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