osfmk/vm/vm_compressor.c

91         uint32_t        s_cseg:22, 	/* segment number + 1 */
100 	uint32_t	c_segno;
109 uint32_t	c_segment_count = 0;
123 uint32_t	c_bad_count = 0;
132 uint32_t	c_age_count = 0;
133 uint32_t	c_swapout_count = 0;
134 uint32_t	c_swappedin_count = 0;
135 uint32_t	c_swappedout_count = 0;
136 uint32_t	c_swappedout_sparse_count = 0;
139 uint32_t	c_minor_count = 0;
144 uint32_t	c_segments_available;
145 uint32_t	c_segments_limit;
146 uint32_t	c_segments_nearing_limit;
147 uint32_t	c_segment_pages_compressed;
148 uint32_t	c_segment_pages_compressed_limit;
149 uint32_t	c_segment_pages_compressed_nearing_limit;
150 uint32_t	c_free_segno_head = (uint32_t)-1;
152 uint32_t	vm_compressor_minorcompact_threshold_divisor = 10;
153 uint32_t	vm_compressor_majorcompact_threshold_divisor = 10;
154 uint32_t	vm_compressor_unthrottle_threshold_divisor = 10;
155 uint32_t	vm_compressor_catchup_threshold_divisor = 10;
177 uint32_t	compressor_cpus;
185 uint32_t	sample_period_decompression_count = 0;
186 uint32_t	sample_period_compression_count = 0;
187 uint32_t	last_eval_decompression_count = 0;
188 uint32_t	last_eval_compression_count = 0;
192 uint32_t	swapout_target_age = 0;
193 uint32_t	age_of_decompressions_during_sample_period[DECOMPRESSION_SAMPLE_MAX_AGE];
194 uint32_t	overage_decompressions_during_sample_period = 0;
405 		c_segment_pages_compressed_limit = (uint32_t)((max_mem / PAGE_SIZE)) * vm_scale;
413 		if (c_segment_pages_compressed_limit < (uint32_t)(max_mem / PAGE_SIZE_64))
414 		        c_segment_pages_compressed_limit = (uint32_t)(max_mem / PAGE_SIZE_64);
485 	uint32_t	c_rounded_size;
486 	uint32_t	c_size;
866 	uint32_t	c_size;
867 	uint32_t	c_offset;
868 	uint32_t	c_rounded_size;
870 	uint32_t	current_populated_offset;
909 	uint32_t	c_offset = 0;
910 	uint32_t	old_populated_offset;
911 	uint32_t	c_rounded_size;
912 	uint32_t	c_size;
983 		uint32_t	gc_size;
1060 	uint32_t	c_rounded_size;
1061 	uint32_t	c_size;
1197 uint32_t compressor_eval_period_in_msecs = 250;
1198 uint32_t compressor_sample_min_in_msecs = 500;
1199 uint32_t compressor_sample_max_in_msecs = 10000;
1200 uint32_t compressor_thrashing_threshold_per_10msecs = 50;
1201 uint32_t compressor_thrashing_min_per_10msecs = 20;
1206 extern uint32_t vm_page_filecache_min;
1214 	uint32_t	min_operations_needed_in_this_sample;
1237 	min_operations_needed_in_this_sample = (compressor_thrashing_min_per_10msecs * (uint32_t)elapsed_msecs_in_eval) / 10;
1264 		uint32_t	oldest_age_of_csegs_sampled = 0;
1296 				swapout_target_age = (uint32_t)cur_ts_sec - oldest_age_of_csegs_sampled;
1448 uint32_t vm_wake_compactor_swapper_calls = 0;
2098 static uint32_t	no_paging_space_action_in_progress = 0;
2111 		uint32_t	c_segno;
2140 		if (c_free_segno_head == (uint32_t)-1) {
2217 		c_seg->c_creation_ts = (uint32_t)sec;
2245 	uint32_t	unused_bytes;
2246 	uint32_t	offset_to_depopulate;
2317 	c_seg->c_swappedin_ts = (uint32_t)sec;
2335 	uint32_t	io_size = 0;
2504 	uint32_t	c_size;
2578 		uint32_t	age_of_cseg;
2601 			uint32_t	my_cpu_no;
2626 			age_of_cseg = (uint32_t)cur_ts_sec - c_seg->c_creation_ts;