blocks|key|40406|text|我只需要重启我的手机(不是我的苹果电脑)，然后错误就消失了(Xcode9.2，iPhone+X运行11.2.6)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|40407|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I only had to reboot my phone (not my Mac), and then the error went away
(Xcode 9.2, iPhone X running 11.2.6).

blocks|key|4775190|text|我遇到了这个问题，并通过以下方式解决了它|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4775191|4775192|拔掉我的设备|ordered-list-item|4775193|关闭我的设备|4775194|重新启动我的mac|4775195|，重新打开设备，并在重新登录后连接到计算机。|4775196|4775197|现在它出现在乐器上。我试着拔下设备，重启xcode，但都不起作用。对我来说，重启所有东西才是成功之道。|4775198|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|R|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|S|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|T|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|U|8|@]|9|@]|A|$]]|$1|J|3|K|5|E|7|V|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|P|$]]

i was having this issue and resolved it by

<ol>
<li>Unplugging my device</li>
<li>Turning my device off</li>
<li>Rebooted my mac</li>
<li>Turned device back on and plugged into computer after logging back in. </li>
</ol>

now it shows up in instruments. I tried unplugging device, restarting xcode, but that didn't work. rebooting everything is what did the trick for me.

blocks|key|4775375|text|我遇到了这个问题。Xcode(版本9.3.1+(9E501))、iPhone7和我强行退出了仪器。这是工作|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4775376|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I met the this problem. Xcode(Version 9.3.1 (9E501)), iphone 7, And I forcely quit the Instrument. It's work

blocks|key|1952680|text|我今天在iPhone+7.2.1，iOS+9.2.1，xcode6Sp上遇到了同样的问题。已通过重新启动我的苹果电脑、手表和iPhone解决。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1952681|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I came across same problem today on xcode7.2.1, iOS 9.2.1, iPhone 6Sp. Resolved by rebooted my mac, my watch and the iPhone.

blocks|key|2662131|text|如果您的工作区包含多个项目和/或多个目标，则XCode似乎不知道要分析哪个二进制文件。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2662132|只需使用Edit+your+scheme+->+Profile+->+Choose+an+Executable，它应该会启用性能分析选项。|offset|length|style|CODE|2662133|entityMap^0|0|4|1F|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

If your workspace contains several projects and/or several targets, it seems that XCode doesn't know which binary to profile.

Just <code>Edit your scheme -&gt; Profile -&gt; Choose an Executable</code> and it should enable the profiling option.

blocks|key|2662340|text|我也有同样的问题，个人资料是灰色的。原来我在顶部将设备选项设置为通用iOS设备|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2662341|​|2662342|📷|atomic|offset|length|2662343|//这将使配置文件灰显|2662344|一旦我将其切换到实际的模拟器设备，或者我的实际设备配置文件不再灰显|2662345|2662346|2662347|2662348|另一种选择是在Xcode中，在顶部转到Help+>+search+Edit+Scheme并选择它>在屏幕左侧选择Profile+>+change+Executable下拉至your_project's_name.app|style|CODE|2662349|2662350|2662351|2662352|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/df82b3972fb0a1f65749b0ab4dd64170.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/e66f597cb6fed215c34449c7e4260670.png|2|https://ask.qcloudimg.com/http-save/yehe-900000/efa7e36e958b553d05ec2c489199d2e2.png^0|0|0|0|1|0|0|0|0|0|0|1|1|0|0|J|4|X|B|1K|7|21|A|2E|N|0|0|0|1|2|0|0^^$0|@$1|2|3|4|5|6|7|19|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1A|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|1B|8|@]|9|@$G|1C|H|1D|1|1E]]|A|$]]|$1|I|3|J|5|6|7|1F|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|1G|8|@]|9|@]|A|$]]|$1|M|3|C|5|6|7|1H|8|@]|9|@]|A|$]]|$1|N|3|E|5|F|7|1I|8|@]|9|@$G|1J|H|1K|1|1L]]|A|$]]|$1|O|3|C|5|6|7|1M|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1N|8|@$G|1O|H|1P|R|S]|$G|1Q|H|1R|R|S]|$G|1S|H|1T|R|S]|$G|1U|H|1V|R|S]|$G|1W|H|1X|R|S]]|9|@]|A|$]]|$1|T|3|C|5|6|7|1Y|8|@]|9|@]|A|$]]|$1|U|3|E|5|F|7|1Z|8|@]|9|@$G|20|H|21|1|22]]|A|$]]|$1|V|3|C|5|6|7|23|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|24|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13|14|-4]]|15|$5|Z|10|11|A|$12|16|14|-4]]|17|$5|Z|10|11|A|$12|18|14|-4]]]]

I had the same problem where Profile was greyed out. It turned out to be I had the device option at the top set to Generic iOS Device

<a href="https://i.stack.imgur.com/HrfMQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HrfMQ.png" alt="enter image description here"></a> // this will make Profile greyed out

Once I switched it to an actual simulator device or my actual device Profile was no longer greyed out

<a href="https://i.stack.imgur.com/HqIkn.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HqIkn.png" alt="enter image description here"></a>

One other option can be to in Xcode at the top go to <code>Help</code> > search <code>Edit Scheme</code> and select it > on the left side of the screen select <code>Profile</code> > change <code>Executable</code> drop down to <code>your_project's_name.app</code>

<a href="https://i.stack.imgur.com/x7UfL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/x7UfL.png" alt="enter image description here"></a>

blocks|key|1946880|text|我不知道哪个进程有帮助，但我在活动监视器中强制退出了AppleMobileDeviceHelper和DTServiceHub，然后它又开始工作了(我可以不用重启就可以选择我的手机)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1946881|entityMap^0|Q|N|1E|C|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

I don't know which process helped but I force quit <code>AppleMobileDeviceHelper</code> and <code>DTServiceHub</code> in the Activity Monitor and then it started working again (I was able to select my phone without rebooting).

blocks|key|4775404|text|最近，我在Xcode版本10.1+(10B61)、iPhone7和Mac+10.14.1+(18B75)上再次遇到了这个问题。我通过将部署从8.0升级到10.1解决了这个问题。事实上，我遇到过很多由这个版本引起的奇怪的Xcode+bug，我喜欢这个(xcode+gpu+shader+profiler)。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4775405|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/50802533/xcode-gpu-shader-profiler^0|3H|P|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Recently, I confronted the question again on Xcode Version 10.1 (10B61), iphone 7 and Mac 10.14.1 (18B75). I resolved it by upgrading the deployment from 8.0 to 10.1. In fact, I have meet many strange Xcode bugs caused by the version, liking this one(<a href="https://stackoverflow.com/questions/50802533/xcode-gpu-shader-profiler">xcode gpu shader profiler</a>)

blocks|key|1952781|text|事实证明，我的iPhone不信任我的计算机。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1952782|如何重新信任计算机，请参阅：https://www.wikihow.com/Trust-a-Computer-on-an-iPhone|offset|length|1952783|简而言之，你应该在设置中重新设置位置和隐私，然后再次插入你的iPhone。您将再次看到“信任此计算机”。|1952784|entityMap|0|LINK|mutability|MUTABLE|url|https://www.wikihow.com/Trust-a-Computer-on-an-iPhone^0|0|E|1H|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@$D|R|E|S|1|T]]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

It turned out that my iPhone is not trusted my computer.

How to re-trust computers, see: 
<a href="https://www.wikihow.com/Trust-a-Computer-on-an-iPhone" rel="nofollow noreferrer">https://www.wikihow.com/Trust-a-Computer-on-an-iPhone</a>

In short, you should reset Location and Privacy in settings, and then plug-in your iPhone again. And you will see 'Trust this computer' again.

blocks|key|40492|text|我的问题是，它要求我每次插上电源时都要信任电脑。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|40493|要修复它，我必须打开热点，然后再将其关闭。|40494|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

My issue what that it was asking me to trust the computer every time I plugged it in.
To fix it, I had to turn on the Hotspot then turn it back off.

I'm running an app on my iOS device but, in Instruments, that device is greyed out. 

This also means I can't attach the process (<a href="https://stackoverflow.com/questions/6348403/cant-launch-ios-app-with-instruments-on-device">Cant launch iOS app with Instruments on device</a>). Is it anything to do with my earlier question: <a href="https://stackoverflow.com/questions/28913537/instruments-profile-revoke-and-request">Instruments &gt; Profile - Revoke and request</a> 

Xcode: 6.1.1
iOS: 7.1.2

Any idea why?

Instruments > device grayed out

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在我的iOS设备上运行了一个应用程序，但在Instruments中，该设备显示为灰色。这也意味着我不能附加进程()。这与我之前的问题有关吗：Xcode: 6.1.1 iOS: 7.1.2知道为什么吗？

问Instruments > device灰显
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问Instruments > device灰显
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