Alternative to DTSendSignalFlag to identify key events in Instruments?
问题 There used to be a nice tool, DTSendSignalFlag , part of the DTPerformanceSession framework, by which you could programmatically insert flags into Instruments (see Xcode Instruments trace comparison). This feature stopped working in iOS 7. Has anyone succeeded in getting DTSendSignalFlag to work in iOS 7? Signal flags are (were?) a useful way to programmatically post flags in Instruments via code (really helpful when diagnosing complicated apps in Instruments), but I\'m not seeing my