ios - 从设备崩溃日志调试 iPhone 应用程序

Question

我正在尝试调试 iPhone 应用程序上难以重现的崩溃。到目前为止，我所掌握的唯一信息是来 self 的客户设备的以下日志:

Incident Identifier: 7A3417A-4F27-44E3-97A3-AF811A79C88ECrashReporter Key:   13d8ee7a1052506be1ae7b4bbcb3439d1c86df85Hardware Model:      iPhone4,1OS Version:          iPhone OS 6.0 (10A403)Kernel Version:      Darwin Kernel Version 13.0.0: Sun Aug 19 00:28:05 PDT 2012; root:xnu-2107.2.33~4/RELEASE_ARM_S5L8940XDate:                2012-10-24 08:11:29 +0200Time since snapshot: 7156 msFree pages:        793Active pages:      3323Inactive pages:    2043Throttled pages:   88283Purgeable pages:   144Wired pages:       33372Largest process:   NLinBusinessProcesses     Name                                           rpages       recent_max       [reason]          (state)             lsd           172              172         [vm]         (daemon) (idle)     MobilePhone          1015             1015         [vm]         (resume) (continuous)            tccd           170              170         [vm]         (daemon)    NLinBusiness         51246            51246         [vm]         (frontmost) (resume)      calaccessd           288              288                      (daemon)    mediaserverd          2319             2319                      (daemon)           wifid           570              570                      (daemon)       locationd          1312             1312                      (daemon)         syslogd           171              171                      (daemon)      aosnotifyd           684              684                      (daemon)     dataaccessd          2504             2504                      (daemon)   iaptransportd           235              235                      (daemon)     SpringBoard         23545            23545                           backboardd          5779             5779                      (daemon)        networkd           210              210                      (daemon)        BTServer           240              240                      (daemon)         configd           804              804                      (daemon)   fairplayd.N94           161              161                      (daemon)       fseventsd           499              499                      (daemon)         imagent           703              703                      (daemon)   mDNSResponder           306              306                      (daemon)  UserEventAgent           601              601                      (daemon)    mediaremoted           225              225                      (daemon)           amfid           136              136                      (daemon)   syncdefaultsd           294              294                      (daemon)             ubd           456              456                      (daemon)        recentsd           859              859                      (daemon)        SCHelper           146              146                      (daemon)        twitterd           636              636                      (daemon)   absinthed.N94           104              104                      (daemon)         sociald           885              885                      (daemon)filecoordination           202              202                      (daemon)       distnoted           129              129                      (daemon)            apsd           348              348                      (daemon)      aggregated           103              103                      (daemon)       lockdownd           349              349                      (daemon)          powerd           189              189                      (daemon)       securityd           389              389                      (daemon)      CommCenter          1045             1045                      (daemon)         notifyd           210              210                      (daemon)     ReportCrash           332              332                      (daemon)**End**

此日志中是否有任何有关崩溃的有用信息？

Answer 1

事实上，这个日志内容非常丰富。有问题的应用程序并没有崩溃——它是被 Jetsam/memorystatus 杀死的。我们在 My app crashes and closes down and there is very little information as to why 中对此进行了解释。

就您而言，NLinBusiness 应用程序(我猜是您的？)使用了太多内存 - 请记住 iOS 没有交换区。可用页面计数较低，从而触发内存不足的情况，并且您的应用程序会被终止。通过响应低内存事件，您可以避免被杀死。