+SYSCTL_INT (_kern, OID_AUTO, affinity_sets_enabled,
+ CTLFLAG_RW | CTLFLAG_LOCKED, (int *) &affinity_sets_enabled, 0, "hinting enabled");
+SYSCTL_INT (_kern, OID_AUTO, affinity_sets_mapping,
+ CTLFLAG_RW | CTLFLAG_LOCKED, &affinity_sets_mapping, 0, "mapping policy");
+
+/*
+ * Boolean indicating if KASLR is active.
+ */
+STATIC int
+sysctl_slide
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+ uint32_t slide;
+
+ slide = vm_kernel_slide ? 1 : 0;
+
+ return sysctl_io_number( req, slide, sizeof(int), NULL, NULL);
+}
+
+SYSCTL_PROC(_kern, OID_AUTO, slide,
+ CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_LOCKED,
+ 0, 0, sysctl_slide, "I", "");
+
+/*
+ * Limit on total memory users can wire.
+ *
+ * vm_global_user_wire_limit - system wide limit on wired memory from all processes combined.
+ *
+ * vm_user_wire_limit - per address space limit on wired memory. This puts a cap on the process's rlimit value.
+ *
+ * These values are initialized to reasonable defaults at boot time based on the available physical memory in
+ * kmem_init().
+ *
+ * All values are in bytes.
+ */
+
+vm_map_size_t vm_global_no_user_wire_amount;
+vm_map_size_t vm_global_user_wire_limit;
+vm_map_size_t vm_user_wire_limit;
+
+/*
+ * There needs to be a more automatic/elegant way to do this
+ */
+SYSCTL_QUAD(_vm, OID_AUTO, global_no_user_wire_amount, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_global_no_user_wire_amount, "");
+SYSCTL_QUAD(_vm, OID_AUTO, global_user_wire_limit, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_global_user_wire_limit, "");
+SYSCTL_QUAD(_vm, OID_AUTO, user_wire_limit, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_user_wire_limit, "");
+
+extern int vm_map_copy_overwrite_aligned_src_not_internal;
+extern int vm_map_copy_overwrite_aligned_src_not_symmetric;
+extern int vm_map_copy_overwrite_aligned_src_large;
+SYSCTL_INT(_vm, OID_AUTO, vm_copy_src_not_internal, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_copy_overwrite_aligned_src_not_internal, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_copy_src_not_symmetric, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_copy_overwrite_aligned_src_not_symmetric, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_copy_src_large, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_map_copy_overwrite_aligned_src_large, 0, "");
+
+
+extern uint32_t vm_page_external_count;
+extern uint32_t vm_page_filecache_min;
+
+SYSCTL_INT(_vm, OID_AUTO, vm_page_external_count, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_page_external_count, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, vm_page_filecache_min, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_page_filecache_min, 0, "");
+
+extern int vm_compressor_mode;
+extern int vm_compressor_is_active;
+extern uint32_t swapout_target_age;
+extern int64_t compressor_bytes_used;
+extern uint32_t compressor_eval_period_in_msecs;
+extern uint32_t compressor_sample_min_in_msecs;
+extern uint32_t compressor_sample_max_in_msecs;
+extern uint32_t compressor_thrashing_threshold_per_10msecs;
+extern uint32_t compressor_thrashing_min_per_10msecs;
+extern uint32_t vm_compressor_minorcompact_threshold_divisor;
+extern uint32_t vm_compressor_majorcompact_threshold_divisor;
+extern uint32_t vm_compressor_unthrottle_threshold_divisor;
+extern uint32_t vm_compressor_catchup_threshold_divisor;
+
+SYSCTL_INT(_vm, OID_AUTO, compressor_mode, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_compressor_mode, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_is_active, CTLFLAG_RD | CTLFLAG_LOCKED, &vm_compressor_is_active, 0, "");
+SYSCTL_QUAD(_vm, OID_AUTO, compressor_bytes_used, CTLFLAG_RD | CTLFLAG_LOCKED, &compressor_bytes_used, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_swapout_target_age, CTLFLAG_RD | CTLFLAG_LOCKED, &swapout_target_age, 0, "");
+
+SYSCTL_INT(_vm, OID_AUTO, compressor_eval_period_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_eval_period_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_sample_min_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_sample_min_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_sample_max_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_sample_max_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_thrashing_threshold_per_10msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_thrashing_threshold_per_10msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_thrashing_min_per_10msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &compressor_thrashing_min_per_10msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_minorcompact_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_minorcompact_threshold_divisor, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_majorcompact_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_majorcompact_threshold_divisor, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_unthrottle_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_unthrottle_threshold_divisor, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, compressor_catchup_threshold_divisor, CTLFLAG_RW | CTLFLAG_LOCKED, &vm_compressor_catchup_threshold_divisor, 0, "");
+
+SYSCTL_STRING(_vm, OID_AUTO, swapfileprefix, CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED, swapfilename, sizeof(swapfilename) - SWAPFILENAME_INDEX_LEN, "");
+
+#if CONFIG_PHANTOM_CACHE
+extern uint32_t phantom_cache_thrashing_threshold;
+extern uint32_t phantom_cache_eval_period_in_msecs;
+extern uint32_t phantom_cache_thrashing_threshold_ssd;
+
+
+SYSCTL_INT(_vm, OID_AUTO, phantom_cache_eval_period_in_msecs, CTLFLAG_RW | CTLFLAG_LOCKED, &phantom_cache_eval_period_in_msecs, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, phantom_cache_thrashing_threshold, CTLFLAG_RW | CTLFLAG_LOCKED, &phantom_cache_thrashing_threshold, 0, "");
+SYSCTL_INT(_vm, OID_AUTO, phantom_cache_thrashing_threshold_ssd, CTLFLAG_RW | CTLFLAG_LOCKED, &phantom_cache_thrashing_threshold_ssd, 0, "");
+#endif
+
+#if (DEVELOPMENT || DEBUG)
+
+SYSCTL_UINT(_vm, OID_AUTO, vm_page_creation_throttled_hard,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_creation_throttled_hard, 0, "");
+
+SYSCTL_UINT(_vm, OID_AUTO, vm_page_creation_throttled_soft,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &vm_page_creation_throttled_soft, 0, "");
+
+#endif /* DEVELOPMENT || DEBUG */
+
+/*
+ * Enable tracing of voucher contents
+ */
+extern uint32_t ipc_voucher_trace_contents;
+
+SYSCTL_INT (_kern, OID_AUTO, ipc_voucher_trace_contents,
+ CTLFLAG_RW | CTLFLAG_LOCKED, &ipc_voucher_trace_contents, 0, "Enable tracing voucher contents");
+
+/*
+ * Kernel stack size and depth
+ */
+SYSCTL_INT (_kern, OID_AUTO, stack_size,
+ CTLFLAG_RD | CTLFLAG_LOCKED, (int *) &kernel_stack_size, 0, "Kernel stack size");
+SYSCTL_INT (_kern, OID_AUTO, stack_depth_max,
+ CTLFLAG_RD | CTLFLAG_LOCKED, (int *) &kernel_stack_depth_max, 0, "Max kernel stack depth at interrupt or context switch");
+
+/*
+ * enable back trace for port allocations
+ */
+extern int ipc_portbt;
+
+SYSCTL_INT(_kern, OID_AUTO, ipc_portbt,
+ CTLFLAG_RW | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ &ipc_portbt, 0, "");
+
+/*
+ * Scheduler sysctls
+ */
+
+/*
+ * See osfmk/kern/sched_prim.c for the corresponding definition
+ * in osfmk/. If either version changes, update the other.
+ */
+#define SCHED_STRING_MAX_LENGTH (48)
+
+extern char sched_string[SCHED_STRING_MAX_LENGTH];
+SYSCTL_STRING(_kern, OID_AUTO, sched,
+ CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED,
+ sched_string, sizeof(sched_string),
+ "Timeshare scheduler implementation");
+
+/*
+ * Only support runtime modification on embedded platforms
+ * with development config enabled
+ */
+
+
+/* Parameters related to timer coalescing tuning, to be replaced
+ * with a dedicated systemcall in the future.
+ */
+/* Enable processing pending timers in the context of any other interrupt
+ * Coalescing tuning parameters for various thread/task attributes */
+STATIC int
+sysctl_timer_user_us_kernel_abstime SYSCTL_HANDLER_ARGS
+{
+#pragma unused(oidp)
+ int size = arg2; /* subcommand*/
+ int error;
+ int changed = 0;
+ uint64_t old_value_ns;
+ uint64_t new_value_ns;
+ uint64_t value_abstime;
+ if (size == sizeof(uint32_t))
+ value_abstime = *((uint32_t *)arg1);
+ else if (size == sizeof(uint64_t))
+ value_abstime = *((uint64_t *)arg1);
+ else return ENOTSUP;
+
+ absolutetime_to_nanoseconds(value_abstime, &old_value_ns);
+ error = sysctl_io_number(req, old_value_ns, sizeof(old_value_ns), &new_value_ns, &changed);
+ if ((error) || (!changed))
+ return error;
+
+ nanoseconds_to_absolutetime(new_value_ns, &value_abstime);
+ if (size == sizeof(uint32_t))
+ *((uint32_t *)arg1) = (uint32_t)value_abstime;
+ else
+ *((uint64_t *)arg1) = value_abstime;
+ return error;
+}
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_bg_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_bg_shift, 0, "");
+SYSCTL_PROC(_kern, OID_AUTO, timer_resort_threshold_ns,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_resort_threshold_abstime,
+ sizeof(tcoal_prio_params.timer_resort_threshold_abstime),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_bg_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_bg_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_bg_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_kt_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_kt_shift, 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_kt_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_kt_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_kt_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_fp_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_fp_shift, 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_fp_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_fp_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_fp_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_ts_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_ts_shift, 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_ts_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.timer_coalesce_ts_abstime_max,
+ sizeof(tcoal_prio_params.timer_coalesce_ts_abstime_max),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier0_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[0], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier0_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[0],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[0]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier1_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[1], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier1_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[1],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[1]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier2_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[2], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier2_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[2],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[2]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier3_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[3], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier3_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[3],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[3]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier4_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[4], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier4_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[4],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[4]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+SYSCTL_INT(_kern, OID_AUTO, timer_coalesce_tier5_scale,
+ CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_scale[5], 0, "");
+
+SYSCTL_PROC(_kern, OID_AUTO, timer_coalesce_tier5_ns_max,
+ CTLTYPE_QUAD | CTLFLAG_KERN | CTLFLAG_RW | CTLFLAG_LOCKED,
+ &tcoal_prio_params.latency_qos_abstime_max[5],
+ sizeof(tcoal_prio_params.latency_qos_abstime_max[5]),
+ sysctl_timer_user_us_kernel_abstime,
+ "Q", "");
+
+/* Communicate the "user idle level" heuristic to the timer layer, and
+ * potentially other layers in the future.
+ */
+
+static int
+timer_user_idle_level(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req) {
+ int new_value = 0, old_value = 0, changed = 0, error;
+
+ old_value = timer_get_user_idle_level();
+
+ error = sysctl_io_number(req, old_value, sizeof(int), &new_value, &changed);
+
+ if (error == 0 && changed) {
+ if (timer_set_user_idle_level(new_value) != KERN_SUCCESS)
+ error = ERANGE;
+ }
+
+ return error;
+}
+
+SYSCTL_PROC(_machdep, OID_AUTO, user_idle_level,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED,
+ 0, 0,
+ timer_user_idle_level, "I", "User idle level heuristic, 0-128");
+
+#if HYPERVISOR
+SYSCTL_INT(_kern, OID_AUTO, hv_support,
+ CTLFLAG_KERN | CTLFLAG_RD | CTLFLAG_LOCKED,
+ &hv_support_available, 0, "");
+#endif
projects / apple / xnu.git / blobdiff