darling-xnu/osfmk/kern/energy_perf.c
2023-05-16 21:41:14 -07:00

102 lines
3.5 KiB
C

/*
* Copyright (c) 2013 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <kern/energy_perf.h>
#include <libsa/types.h>
#include <sys/kdebug.h>
#include <stddef.h>
#include <machine/machine_routines.h>
void
gpu_describe(__unused gpu_descriptor_t gdesc)
{
KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_ENERGY_PERF, 1), gdesc->gpu_id, gdesc->gpu_max_domains, 0, 0, 0);
}
uint64_t
gpu_accumulate_time(__unused uint32_t scope, __unused uint32_t gpu_id, __unused uint32_t gpu_domain, __unused uint64_t gpu_accumulated_ns, __unused uint64_t gpu_tstamp_ns)
{
KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_ENERGY_PERF, 2), scope, gpu_id, gpu_domain, gpu_accumulated_ns, gpu_tstamp_ns);
ml_gpu_stat_update(gpu_accumulated_ns);
return 0;
}
static uint64_t
io_rate_update_cb_default(__unused uint64_t io_rate_flags, __unused uint64_t read_ops_delta, __unused uint64_t write_ops_delta, __unused uint64_t read_bytes_delta, __unused uint64_t write_bytes_delta)
{
KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_ENERGY_PERF, 3), io_rate_flags, read_ops_delta, write_ops_delta, read_bytes_delta, write_bytes_delta);
return 0;
}
io_rate_update_callback_t io_rate_update_cb = io_rate_update_cb_default;
void
io_rate_update_register(io_rate_update_callback_t io_rate_update_cb_new)
{
if (io_rate_update_cb_new != NULL) {
io_rate_update_cb = io_rate_update_cb_new;
} else {
io_rate_update_cb = io_rate_update_cb_default;
}
}
uint64_t
io_rate_update(uint64_t io_rate_flags, uint64_t read_ops_delta, uint64_t write_ops_delta, uint64_t read_bytes_delta, uint64_t write_bytes_delta)
{
return io_rate_update_cb(io_rate_flags, read_ops_delta, write_ops_delta, read_bytes_delta, write_bytes_delta);
}
static uint64_t
gpu_set_fceiling_cb_default(__unused uint32_t gfr, __unused uint64_t gfp)
{
return 0ULL;
}
gpu_set_fceiling_t gpu_set_fceiling_cb = gpu_set_fceiling_cb_default;
void
gpu_fceiling_cb_register(gpu_set_fceiling_t gnewcb)
{
if (gnewcb != NULL) {
gpu_set_fceiling_cb = gnewcb;
} else {
gpu_set_fceiling_cb = gpu_set_fceiling_cb_default;
}
}
void
gpu_submission_telemetry(
__unused uint64_t gpu_ncmds,
__unused uint64_t gpu_noutstanding_avg,
__unused uint64_t gpu_busy_ns_total,
__unused uint64_t gpu_cycles,
__unused uint64_t gpu_telemetry_valid_flags,
__unused uint64_t gpu_telemetry_misc)
{
}