xcode-instruments | 易学教程

Is there a way to remove the authorization prompt from command-line instances of Instruments (XCode)?

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问题 I am currently using Instruments via a bash script to initiate the command-line interface to start up runs of the Automation plug-in. With 4.2, this worked well enough, however with the upgrade to Xcode 4.3, I am now being prompted for an authorized user to 'analyze other processes'. No user is ever actually authenticated, even if the correct credentials are granted. I get the following error: Failed to authorize rights (0x20) with status: -60007. 2012-02-27 19:30:37.232 instruments[54151

instruments with iOS: Why does Memory Monitor disagree with Allocations?

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As can been seen in this screen shot from instruments, Allocations thinks my application (Ongo) is only using 7.55 MBs of memory, while Memory Monitor says 53.30. Further more the free system memory has little to no correlation to the amount of memory that the app is using. Does anyone know why there is such a big disagreement between these two tools? Additionally is it possible to find the source of the low system memory or how to keep it from running out so quickly? My app doesn't appear to be leaking memory but somehow it's exhausting the system resources. Thanks For those who sees this

Alternative to DTSendSignalFlag to identify key events in Instruments?

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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