import Foundation
import os

enum Perf {
    private static let log = OSLog(subsystem: "app.wake", category: "performance")

    static func event(_ name: StaticString) {
        os_signpost(.event, log: log, name: name)
    }

    @discardableResult
    static func begin(_ name: StaticString) -> OSSignpostID {
        let id = OSSignpostID(log: log)
        os_signpost(.begin, log: log, name: name, signpostID: id)
        return id
    }

    static func end(_ name: StaticString, id: OSSignpostID) {
        os_signpost(.end, log: log, name: name, signpostID: id)
    }
}