@@ -12,33 +12,33 @@ import QuartzCore
1212let TASK_VM_INFO_COUNT = mach_msg_type_number_t ( MemoryLayout < task_vm_info_data_t > . size / MemoryLayout < integer_t > . size)
1313let TASK_VM_INFO_REV1_COUNT = mach_msg_type_number_t ( MemoryLayout . offset ( of: \task_vm_info_data_t . min_address) ! / MemoryLayout< integer_t> . size)
1414
15- internal enum MachError : Error {
15+ public enum MachError : Error {
1616 case task_info( return: kern_return_t )
1717 case task_threads( return: kern_return_t )
1818 case thread_info( return: kern_return_t )
1919}
2020
2121/// Aggregate metric values and compute `min`, `max`, `sum`, `avg`, and `count`.
22- internal class MetricAggregator < T> where T: Numeric {
23- internal struct Aggregation {
24- let min : T
25- let max : T
26- let sum : T
27- let count : Int
28- let avg : Double
22+ public class MetricAggregator < T> where T: Numeric {
23+ public struct Aggregation {
24+ public let min : T
25+ public let max : T
26+ public let sum : T
27+ public let count : Int
28+ public let avg : Double
2929 }
3030
3131 private var mutex = pthread_mutex_t ( )
3232 private var _aggregation : Aggregation ?
3333
34- var aggregation : Aggregation ? {
34+ public var aggregation : Aggregation ? {
3535 pthread_mutex_lock ( & mutex)
3636 defer { pthread_mutex_unlock ( & mutex) }
3737 return _aggregation
3838 }
3939
4040 /// Resets the minimum frame rate to `nil`.
41- func reset( ) {
41+ public func reset( ) {
4242 pthread_mutex_lock ( & mutex)
4343 _aggregation = nil
4444 pthread_mutex_unlock ( & mutex)
@@ -53,7 +53,7 @@ extension MetricAggregator where T: BinaryInteger {
5353 /// Records a `BinaryInteger` value.
5454 ///
5555 /// - Parameter value: The value to record.
56- func record( value: T ) {
56+ public func record( value: T ) {
5757 pthread_mutex_lock ( & mutex)
5858 _aggregation = _aggregation. map {
5959 let sum = $0. sum + value
@@ -74,7 +74,7 @@ extension MetricAggregator where T: BinaryFloatingPoint {
7474 /// Records a `BinaryFloatingPoint` value.
7575 ///
7676 /// - Parameter value: The value to record.
77- func record( value: T ) {
77+ internal func record( value: T ) {
7878 pthread_mutex_lock ( & mutex)
7979 _aggregation = _aggregation. map {
8080 let sum = $0. sum + value
@@ -94,7 +94,7 @@ extension MetricAggregator where T: BinaryFloatingPoint {
9494/// Collect Memory footprint metric.
9595///
9696/// Based on a timer, the `Memory` aggregator will periodically record the memory footprint.
97- internal final class Memory : MetricAggregator < Double > {
97+ public final class Memory : MetricAggregator < Double > {
9898 /// Dispatch source object for monitoring timer events.
9999 private let timer : DispatchSourceTimer
100100
@@ -107,7 +107,7 @@ internal final class Memory: MetricAggregator<Double> {
107107 /// - queue: The queue on which to execute the timer handler.
108108 /// - interval: The timer interval, default to 100 ms.
109109 /// - leeway: The timer leeway, default to 10 ms.
110- required init (
110+ public required init (
111111 queue: DispatchQueue ,
112112 every interval: DispatchTimeInterval = . milliseconds( 100 ) ,
113113 leeway: DispatchTimeInterval = . milliseconds( 10 )
@@ -158,7 +158,7 @@ internal final class Memory: MetricAggregator<Double> {
158158/// Collect CPU usage metric.
159159///
160160/// Based on a timer, the `CPU` aggregator will periodically record the CPU usage.
161- internal final class CPU : MetricAggregator < Double > {
161+ public final class CPU : MetricAggregator < Double > {
162162 /// Dispatch source object for monitoring timer events.
163163 private let timer : DispatchSourceTimer
164164
@@ -171,7 +171,7 @@ internal final class CPU: MetricAggregator<Double> {
171171 /// - queue: The queue on which to execute the timer handler.
172172 /// - interval: The timer interval, default to 100 ms.
173173 /// - leeway: The timer leeway, default to 10 ms.
174- init (
174+ public required init (
175175 queue: DispatchQueue ,
176176 every interval: DispatchTimeInterval = . milliseconds( 100 ) ,
177177 leeway: DispatchTimeInterval = . milliseconds( 10 )
@@ -241,7 +241,7 @@ internal final class CPU: MetricAggregator<Double> {
241241}
242242
243243/// Collect Frame rate metric based on ``CADisplayLinker`` timer.
244- internal final class FPS : MetricAggregator < Int > {
244+ public final class FPS : MetricAggregator < Int > {
245245 private class CADisplayLinker {
246246 weak var fps : FPS ?
247247
@@ -260,7 +260,7 @@ internal final class FPS: MetricAggregator<Int> {
260260
261261 private var displayLink : CADisplayLink
262262
263- override init ( ) {
263+ override public init ( ) {
264264 let linker = CADisplayLinker ( )
265265 displayLink = CADisplayLink ( target: linker, selector: #selector( CADisplayLinker . tick ( link: ) ) )
266266 super. init ( )
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