Questions tagged [instruments]

An Apple development tool to monitor processes

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Instruments: record a process that has not started yet

I want to record a process using Instruments that has not started yet, but I will start via bash. It seems the Instruments UI only allows choosing an already running process. How can I record a ...
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Xcode Instruments is throwing an error about non-existent iOS app extension

This is the error I'm getting when I try to run an Instruments network trace on my iPhone: This extension is part of the the Wide Protect app, which I've deleted. I've already tried restarting the ...
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1answer
1k views

A specific Safari WebKit page on iOS - how to see memory usage graph in Instruments?

I've set up Xcode/Instruments so that I'm monitoring an iPhone 6s's memory usage altogether. I've got a specific com.apple.WebKit Process that I would like to see very finetuned information on - as ...
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1k views

Profiling code with XCode

I am trying to use time profiler. It worked in the past with an older version of the same code but now it looks like it is not working anymore. From Xcode, I go on profile and select time profiler ...
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2answers
2k views

GarageBand 10.1.1 Removed MainStage Instruments

After updating to GarageBand 10.1.1, all the instruments I've downloaded from MainStage 3 have disappeared from the instrument library. They still seem to be in /Library/Application Support/GarageBand/...
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1answer
590 views

How do I zoom without a trackpad in Xcode Instruments Time Profiler?

When using Xcode Instruments Time Profiler on my MacBook, I'm able to pinch to zoom in on the CPU measurements in the Swim-lane. However I cannot figure out how to do the equivalent on my iMac with no ...
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0answers
1k views

Get rid of the “Instruments wants permission to analyze” prompt, from command line, in Yosemite

In our jenkins build automation environment we have several OSX nodes, now all updated to Yosemite, where we run ios simulator tests. The problem is that on any newly introduced node simulator tests ...
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5answers
22k views

Is my iPhone 5S draining battery too fast (and is it due to process mediaServerD?)

My iPhone 5s has always had less good battery life than my previous iPhone (4S), but I'd always assumed that it was due to the increased speed of the CPU/GPU and the increased screen size. It also ...
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3answers
3k views

Rolling back to a previous version of OS X Mavericks

I installed the latest version of Mavericks and it broke some stuff (instruments) which I cannot afford to have broken. Is there a way to roll back to my previous release? Am currently on 10.9.2 and ...