34 lines
1.0 KiB
Swift
34 lines
1.0 KiB
Swift
import Foundation
|
|
|
|
/// Utility to measure the time spent in each custom rule.
|
|
public final class CustomRuleTimer {
|
|
private let lock = NSLock()
|
|
private var ruleIDForTimes = [String: [TimeInterval]]()
|
|
private var shouldRecord = false
|
|
|
|
/// Singleton.
|
|
public static let shared = CustomRuleTimer()
|
|
|
|
/// Tell the timer it should record time spent in rules.
|
|
public func activate() {
|
|
shouldRecord = true
|
|
}
|
|
|
|
/// Return all time spent for each custom rule, keyed by rule ID.
|
|
public func dump() -> [String: TimeInterval] {
|
|
ruleIDForTimes.mapValues { $0.reduce(0, +) }
|
|
}
|
|
|
|
/// Register time spent evaluating a rule with the specified ID.
|
|
///
|
|
/// - parameter time: The time interval spent evaluating this rule ID.
|
|
/// - parameter ruleID: The ID of the rule that was evaluated.
|
|
func register(time: TimeInterval, forRuleID ruleID: String) {
|
|
guard shouldRecord else { return }
|
|
|
|
lock.lock()
|
|
defer { lock.unlock() }
|
|
ruleIDForTimes[ruleID, default: []].append(time)
|
|
}
|
|
}
|