* Copyright (c) 2000-2007 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
* 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,
* 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@
*/
* and the default ones are being returned instead.
*/
-typedef natural_t thread_policy_flavor_t;
-typedef integer_t *thread_policy_t;
+typedef natural_t thread_policy_flavor_t;
+typedef integer_t *thread_policy_t;
/*
-kern_return_t thread_policy_set(
- thread_t thread,
- thread_policy_flavor_t flavor,
- thread_policy_t policy_info,
- mach_msg_type_number_t count);
-
-kern_return_t thread_policy_get(
- thread_t thread,
- thread_policy_flavor_t flavor,
- thread_policy_t policy_info,
- mach_msg_type_number_t *count,
- boolean_t *get_default);
-*/
+ * kern_return_t thread_policy_set(
+ * thread_t thread,
+ * thread_policy_flavor_t flavor,
+ * thread_policy_t policy_info,
+ * mach_msg_type_number_t count);
+ *
+ * kern_return_t thread_policy_get(
+ * thread_t thread,
+ * thread_policy_flavor_t flavor,
+ * thread_policy_t policy_info,
+ * mach_msg_type_number_t *count,
+ * boolean_t *get_default);
+ */
/*
* Defined flavors.
* [none]
*/
-#define THREAD_STANDARD_POLICY 1
+#define THREAD_STANDARD_POLICY 1
struct thread_standard_policy {
- natural_t no_data;
+ natural_t no_data;
};
-typedef struct thread_standard_policy thread_standard_policy_data_t;
-typedef struct thread_standard_policy *thread_standard_policy_t;
+typedef struct thread_standard_policy thread_standard_policy_data_t;
+typedef struct thread_standard_policy *thread_standard_policy_t;
-#define THREAD_STANDARD_POLICY_COUNT 0
+#define THREAD_STANDARD_POLICY_COUNT 0
/*
* THREAD_EXTENDED_POLICY:
* behavior as THREAD_STANDARD_POLICY.
*/
-#define THREAD_EXTENDED_POLICY 1
+#define THREAD_EXTENDED_POLICY 1
struct thread_extended_policy {
- boolean_t timeshare;
+ boolean_t timeshare;
};
-typedef struct thread_extended_policy thread_extended_policy_data_t;
-typedef struct thread_extended_policy *thread_extended_policy_t;
+typedef struct thread_extended_policy thread_extended_policy_data_t;
+typedef struct thread_extended_policy *thread_extended_policy_t;
-#define THREAD_EXTENDED_POLICY_COUNT ((mach_msg_type_number_t) \
+#define THREAD_EXTENDED_POLICY_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_extended_policy_data_t) / sizeof (integer_t)))
/*
* interrupted, subject to the constraint specified above.
*/
-#define THREAD_TIME_CONSTRAINT_POLICY 2
+#define THREAD_TIME_CONSTRAINT_POLICY 2
struct thread_time_constraint_policy {
- uint32_t period;
- uint32_t computation;
- uint32_t constraint;
- boolean_t preemptible;
+ uint32_t period;
+ uint32_t computation;
+ uint32_t constraint;
+ boolean_t preemptible;
};
-typedef struct thread_time_constraint_policy \
- thread_time_constraint_policy_data_t;
-typedef struct thread_time_constraint_policy \
- *thread_time_constraint_policy_t;
+typedef struct thread_time_constraint_policy \
+ thread_time_constraint_policy_data_t;
+typedef struct thread_time_constraint_policy \
+ *thread_time_constraint_policy_t;
-#define THREAD_TIME_CONSTRAINT_POLICY_COUNT ((mach_msg_type_number_t) \
+#define THREAD_TIME_CONSTRAINT_POLICY_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_time_constraint_policy_data_t) / sizeof (integer_t)))
/*
* importance: The importance is specified as a signed value.
*/
-#define THREAD_PRECEDENCE_POLICY 3
+#define THREAD_PRECEDENCE_POLICY 3
struct thread_precedence_policy {
- integer_t importance;
+ integer_t importance;
};
-typedef struct thread_precedence_policy thread_precedence_policy_data_t;
-typedef struct thread_precedence_policy *thread_precedence_policy_t;
+typedef struct thread_precedence_policy thread_precedence_policy_data_t;
+typedef struct thread_precedence_policy *thread_precedence_policy_t;
-#define THREAD_PRECEDENCE_POLICY_COUNT ((mach_msg_type_number_t) \
+#define THREAD_PRECEDENCE_POLICY_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_precedence_policy_data_t) / sizeof (integer_t)))
/*
* THREAD_AFFINITY_POLICY:
*
* This policy is experimental.
- * This may be used to express affinity relationships
+ * This may be used to express affinity relationships
* between threads in the task. Threads with the same affinity tag will
* be scheduled to share an L2 cache if possible. That is, affinity tags
- * are a hint to the scheduler for thread placement.
+ * are a hint to the scheduler for thread placement.
*
* The namespace of affinity tags is generally local to one task. However,
* a child task created after the assignment of affinity tags by its parent
* tag: The affinity set identifier.
*/
-#define THREAD_AFFINITY_POLICY 4
+#define THREAD_AFFINITY_POLICY 4
struct thread_affinity_policy {
- integer_t affinity_tag;
+ integer_t affinity_tag;
};
-#define THREAD_AFFINITY_TAG_NULL 0
+#define THREAD_AFFINITY_TAG_NULL 0
-typedef struct thread_affinity_policy thread_affinity_policy_data_t;
-typedef struct thread_affinity_policy *thread_affinity_policy_t;
+typedef struct thread_affinity_policy thread_affinity_policy_data_t;
+typedef struct thread_affinity_policy *thread_affinity_policy_t;
-#define THREAD_AFFINITY_POLICY_COUNT ((mach_msg_type_number_t) \
+#define THREAD_AFFINITY_POLICY_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_affinity_policy_data_t) / sizeof (integer_t)))
/*
* THREAD_BACKGROUND_POLICY:
*/
-#define THREAD_BACKGROUND_POLICY 5
+#define THREAD_BACKGROUND_POLICY 5
struct thread_background_policy {
- integer_t priority;
+ integer_t priority;
};
-typedef struct thread_background_policy thread_background_policy_data_t;
-typedef struct thread_background_policy *thread_background_policy_t;
+#define THREAD_BACKGROUND_POLICY_DARWIN_BG 0x1000
+
+typedef struct thread_background_policy thread_background_policy_data_t;
+typedef struct thread_background_policy *thread_background_policy_t;
-#define THREAD_BACKGROUND_POLICY_COUNT ((mach_msg_type_number_t) \
+#define THREAD_BACKGROUND_POLICY_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_background_policy_data_t) / sizeof (integer_t)))
-#define THREAD_LATENCY_QOS_POLICY 7
-typedef integer_t thread_latency_qos_t;
+#define THREAD_LATENCY_QOS_POLICY 7
+typedef integer_t thread_latency_qos_t;
struct thread_latency_qos_policy {
thread_latency_qos_t thread_latency_qos_tier;
};
-typedef struct thread_latency_qos_policy thread_latency_qos_policy_data_t;
-typedef struct thread_latency_qos_policy *thread_latency_qos_policy_t;
+typedef struct thread_latency_qos_policy thread_latency_qos_policy_data_t;
+typedef struct thread_latency_qos_policy *thread_latency_qos_policy_t;
-#define THREAD_LATENCY_QOS_POLICY_COUNT ((mach_msg_type_number_t) \
+#define THREAD_LATENCY_QOS_POLICY_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_latency_qos_policy_data_t) / sizeof (integer_t)))
-#define THREAD_THROUGHPUT_QOS_POLICY 8
-typedef integer_t thread_throughput_qos_t;
+#define THREAD_THROUGHPUT_QOS_POLICY 8
+typedef integer_t thread_throughput_qos_t;
struct thread_throughput_qos_policy {
thread_throughput_qos_t thread_throughput_qos_tier;
};
-typedef struct thread_throughput_qos_policy thread_throughput_qos_policy_data_t;
-typedef struct thread_throughput_qos_policy *thread_throughput_qos_policy_t;
+typedef struct thread_throughput_qos_policy thread_throughput_qos_policy_data_t;
+typedef struct thread_throughput_qos_policy *thread_throughput_qos_policy_t;
-#define THREAD_THROUGHPUT_QOS_POLICY_COUNT ((mach_msg_type_number_t) \
+#define THREAD_THROUGHPUT_QOS_POLICY_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_throughput_qos_policy_data_t) / sizeof (integer_t)))
#ifdef PRIVATE
/*
* THREAD_POLICY_STATE:
*/
-#define THREAD_POLICY_STATE 6
+#define THREAD_POLICY_STATE 6
#define THREAD_POLICY_STATE_FLAG_STATIC_PARAM 0x1
integer_t effective;
integer_t pending;
integer_t flags;
- integer_t reserved[12];
+ uint64_t thps_requested_policy;
+ uint64_t thps_effective_policy;
+ uint32_t thps_user_promotions;
+ uint32_t thps_user_promotion_basepri;
+ uint32_t thps_ipc_overrides;
+ uint32_t reserved32;
+ uint64_t reserved[2];
};
-typedef struct thread_policy_state thread_policy_state_data_t;
-typedef struct thread_policy_state *thread_policy_state_t;
+typedef struct thread_policy_state thread_policy_state_data_t;
+typedef struct thread_policy_state *thread_policy_state_t;
-#define THREAD_POLICY_STATE_COUNT ((mach_msg_type_number_t) \
+#define THREAD_POLICY_STATE_COUNT ((mach_msg_type_number_t) \
(sizeof (thread_policy_state_data_t) / sizeof (integer_t)))
/*
#define THREAD_QOS_POLICY 9
#define THREAD_QOS_POLICY_OVERRIDE 10
+typedef uint8_t thread_qos_t;
#define THREAD_QOS_UNSPECIFIED 0
#define THREAD_QOS_DEFAULT THREAD_QOS_UNSPECIFIED /* Temporary rename */
#define THREAD_QOS_MAINTENANCE 1
#define THREAD_QOS_LAST 7
-#define THREAD_QOS_MIN_TIER_IMPORTANCE (-15)
+#define THREAD_QOS_MIN_TIER_IMPORTANCE (-15)
/*
* Overrides are inputs to the task/thread policy engine that
* either be a memory allocation in userspace, or the pthread_t of the
* overrider if no allocation was used.
*
- * THREAD_QOS_OVERRIDE_TYPE_DISPATCH_ASYNCHRONOUS_OVERRIDE are used to
- * override the QoS of a thread currently draining a serial dispatch
- * queue, so that it can get to a block of higher QoS than its
- * predecessors. The override is applied by a thread enqueueing work
- * with resource=&queue, and reset by the thread that was overriden
- * once it has drained the queue. Since the ++ and reset are
- * asynchronous, there is the possibility of a ++ after the target
- * thread has issued a reset, in which case the workqueue thread may
- * issue a reset-all in its outermost scope before deciding whether it
- * should return to dequeueing work from the global concurrent queues,
- * or return to the kernel.
+ * THREAD_QOS_OVERRIDE_TYPE_WILDCARD is a catch-all which will reset every
+ * resource matching the resource value. Passing
+ * THREAD_QOS_OVERRIDE_RESOURCE_WILDCARD as well will reset everything.
*/
-#define THREAD_QOS_OVERRIDE_TYPE_UNKNOWN (0)
-#define THREAD_QOS_OVERRIDE_TYPE_PTHREAD_MUTEX (1)
-#define THREAD_QOS_OVERRIDE_TYPE_PTHREAD_RWLOCK (2)
-#define THREAD_QOS_OVERRIDE_TYPE_PTHREAD_EXPLICIT_OVERRIDE (3)
-#define THREAD_QOS_OVERRIDE_TYPE_DISPATCH_ASYNCHRONOUS_OVERRIDE (4)
+#define THREAD_QOS_OVERRIDE_TYPE_UNKNOWN (0)
+#define THREAD_QOS_OVERRIDE_TYPE_PTHREAD_MUTEX (1)
+#define THREAD_QOS_OVERRIDE_TYPE_PTHREAD_RWLOCK (2)
+#define THREAD_QOS_OVERRIDE_TYPE_PTHREAD_EXPLICIT_OVERRIDE (3)
+#define THREAD_QOS_OVERRIDE_TYPE_WILDCARD (5)
/* A special resource value to indicate a resource wildcard */
#define THREAD_QOS_OVERRIDE_RESOURCE_WILDCARD (~((user_addr_t)0))
typedef struct thread_qos_policy *thread_qos_policy_t;
#define THREAD_QOS_POLICY_COUNT ((mach_msg_type_number_t) \
- (sizeof (thread_qos_policy_data_t) / sizeof (integer_t)))
+ (sizeof (thread_qos_policy_data_t) / sizeof (integer_t)))
+
+#endif /* PRIVATE */
+
+#ifdef PRIVATE
+
+/*
+ * Internal bitfields are privately exported for revlocked tracing tools like msa to decode tracepoints.
+ *
+ * These struct definitions *will* change in the future.
+ * When they do, we will update THREAD_POLICY_INTERNAL_STRUCT_VERSION.
+ */
+
+#define THREAD_POLICY_INTERNAL_STRUCT_VERSION 6
+
+struct thread_requested_policy {
+ uint64_t thrp_int_darwinbg :1, /* marked as darwinbg via setpriority */
+ thrp_ext_darwinbg :1,
+ thrp_int_iotier :2, /* IO throttle tier */
+ thrp_ext_iotier :2,
+ thrp_int_iopassive :1, /* should IOs cause lower tiers to be throttled */
+ thrp_ext_iopassive :1,
+ thrp_latency_qos :3, /* Timer latency QoS */
+ thrp_through_qos :3, /* Computation throughput QoS */
+
+ thrp_pidbind_bg :1, /* task i'm bound to is marked 'watchbg' */
+ thrp_qos :3, /* thread qos class */
+ thrp_qos_relprio :4, /* thread qos relative priority (store as inverse, -10 -> 0xA) */
+ thrp_qos_override :3, /* thread qos class override */
+ thrp_qos_promote :3, /* thread qos class from promotion */
+ thrp_qos_kevent_override:3, /* thread qos class from kevent override */
+ thrp_terminated :1, /* heading for termination */
+ thrp_qos_workq_override :3, /* thread qos class override (workq) */
+ thrp_qos_wlsvc_override :3, /* workloop servicer qos class override */
+
+ thrp_reserved :26;
+};
+
+struct thread_effective_policy {
+ uint64_t thep_darwinbg :1, /* marked as 'background', and sockets are marked bg when created */
+ thep_io_tier :2, /* effective throttle tier */
+ thep_io_passive :1, /* should IOs cause lower tiers to be throttled */
+ thep_all_sockets_bg :1, /* All existing sockets in process are marked as bg (thread: all created by thread) */
+ thep_new_sockets_bg :1, /* Newly created sockets should be marked as bg */
+ thep_terminated :1, /* all throttles have been removed for quick exit or SIGTERM handling */
+ thep_qos_ui_is_urgent :1, /* bump UI-Interactive QoS up to the urgent preemption band */
+ thep_latency_qos :3, /* Timer latency QoS level */
+ thep_through_qos :3, /* Computation throughput QoS level */
+
+ thep_qos :3, /* thread qos class */
+ thep_qos_relprio :4, /* thread qos relative priority (store as inverse, -10 -> 0xA) */
+ thep_qos_promote :3, /* thread qos class used for promotion */
+ thep_promote_above_task :1, /* thread is promoted above task-level clamp */
+
+ thep_reserved :39;
+};
#endif /* PRIVATE */
-#endif /* _MACH_THREAD_POLICY_H_ */
+
+#endif /* _MACH_THREAD_POLICY_H_ */
projects / apple / xnu.git / blobdiff