/*
* Copyright (c) 2000-2016 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
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#pragma once
#if XNU_KERNEL_PRIVATE
//DRKTODO: the decompression side stats should be either made optional or
//per-CPU to avoid cacheline contention
typedef struct {
uint64_t lz4_compressions;
uint64_t lz4_compression_failures;
uint64_t lz4_compressed_bytes;
uint64_t lz4_wk_compression_delta;
uint64_t lz4_wk_compression_negative_delta;
uint64_t lz4_post_wk_compressions;
uint64_t wk_compressions;
uint64_t wk_cabstime;
uint64_t wk_sv_compressions;
uint64_t wk_mzv_compressions;
uint64_t wk_compression_failures;
uint64_t wk_compressed_bytes_total;
uint64_t wk_compressions_exclusive;
uint64_t wk_compressed_bytes_exclusive;
uint64_t wkh_compressions;
uint64_t wkh_cabstime;
uint64_t wks_compressions;
uint64_t wks_cabstime;
uint64_t wks_compressed_bytes;
uint64_t wks_compression_failures;
uint64_t wks_sv_compressions;
uint64_t lz4_decompressions;
uint64_t lz4_decompressed_bytes;
uint64_t uc_decompressions;
uint64_t wk_decompressions;
uint64_t wk_dabstime;
uint64_t wkh_decompressions;
uint64_t wkh_dabstime;
uint64_t wks_decompressions;
uint64_t wks_dabstime;
uint64_t wk_decompressed_bytes;
uint64_t wk_sv_decompressions;
} compressor_stats_t;
extern compressor_stats_t compressor_stats;
typedef struct {
uint32_t lz4_selection_max;
int32_t wkdm_reeval_threshold;
int32_t lz4_threshold;
uint32_t lz4_max_failure_skips;
uint32_t lz4_max_failure_run_length;
uint32_t lz4_max_preselects;
uint32_t lz4_run_preselection_threshold;
uint32_t lz4_run_continue_bytes;
uint32_t lz4_profitable_bytes;
} compressor_tuneables_t;
extern compressor_tuneables_t vmctune;
#endif /* XNU_KERNEL_PRIVATE */