iOS内存崩溃，但内存使用率似乎很低

时间：2015-08-18 08:43:18

标签： ios memory crash crash-reports

我们的应用程序由于记忆而崩溃，但这些数字没有意义......

我们使用XCode内存，Activity Monitor仪器和VM Monitor仪器跟踪应用程序，它们都显示相对较低的内存使用量（200-300 MB）。然后应用程序崩溃，没有看到任何内存增加。当我们在XCode中收到内存错误时，内存使用量仍然显示为200-300 MB。

现在，当我们查看崩溃日志时，数字也不会加起来：

enter image description here

你可以看到rpages是166,401（总是相同的数字，我想这是每个进程的限制），但是生命周期最大只有82,558页。这是什么意思？如何使用的页面高于生命周期最大值？考虑到崩溃前一切似乎都很好，有关如何调试这个的想法吗？

编辑：整个日志

Incident Identifier: 224F591A-4DAD-4E3B-94B0-7841F79DC939
CrashReporter Key:   2cdbe65d7adaca53c47419ec2a91fb865acf7752
Hardware Model:      iPhone7,2
OS Version:          iPhone OS 8.3 (12F70)
Kernel Version:      Darwin Kernel Version 14.0.0: Sun Mar 29 19:42:54 PDT 2015; root:xnu-2784.20.34~2/RELEASE_ARM64_T7000
Date:                2015-08-18 10:39:42 +0300
Time since snapshot: 153 ms

Free pages:                              14939
Active pages:                            98258
Inactive pages:                          36410
Speculative pages:                       3972
Throttled pages:                         0
Purgeable pages:                         0
Wired pages:                             43937
File-backed pages:                       50961
Anonymous pages:                         87679
Compressions:                            13469254
Decompressions:                          5264206
Compressor Size:                         59296
Uncompressed Pages in Compressor:        157628
Page Size:                               16384
Largest process:   swar

Processes
     Name       |            <UUID>                |     CPU Time|     rpages|       purgeable| recent_max| lifetime_max| fds |  [reason]         | (state)

           tipsd <ac746a1f2b6234279134a8ddae94b6fe>         0.032         226                0           -           764   50                       (daemon) (idle)
        recentsd <47bd382ae85b3fc8928ee5c749f82fd9>         0.480         466                0           -          1381   50                       (daemon) (idle)
 lsuseractivityd <8b2d13f5c3f2320eb2a4f76cec459d76>         1.475         465                0           -          1896   50                       (daemon) (idle)
   nanoregistryd <7b5314f368b334f490b9b5a4dc7d7b18>         0.948         515                0           -          1852   50                       (daemon) (idle)
            afcd <0495404ae525381dbeccebd20688a26d>         0.054         129                0           -           337   50                       (daemon) (idle)
         healthd <0a91b13bb79b340eac092805d49a8a4a>         4.712         680                0           -          1665   50                       (daemon) (idle)
           amfid <1da345782c1e3485955b8994f5a0d380>         0.379         166                0           -           724   50                       (daemon) (idle)
DuetHeuristic-BM <20f527867a0930bfa1cb1018f8deace4>         6.950         345                0           -           812   50                       (daemon) (idle)
    StocksWidget <34ffd44b6c453e16950714d45e428822>         1.513        1474                0           -          3141   50                       (suspended)
            awdd <1d6edd46b3ea3f0280f5364d39a31af6>         0.075         259                0           -           985   50                       (daemon) (idle)
WirelessRadioMan <8cfea3380d1d3e928bda2532eb06bc7e>         0.064         282                0           -           897   50                       (daemon) (idle)
            geod <92817fccef953baa9cdceafd4c7525ff>        23.703         744                0           -          1399   50                       (daemon) (idle)
com.apple.Stream <fb9bd8e2b6fb3b3db4b19e36505994df>       384.461         178                0           -           687   50                       (daemon) (idle)
        profiled <d7fb0e3e5a913b8fa87c15f8c0a6b7bd>         1.971         526                0           -          1835   50                       (daemon) (idle)
containermanager <2711536b7f0937b297d0bbe967e75990>         7.924         320                0           -           826   50                       (daemon) (idle)
             pkd <dd1fe40eb69a3a8aa562894d48ff6e4c>         1.389         373                0           -           640   50                       (daemon) (idle)
        installd <e0d8a573ad3d3cca9079d8071cfb6f4f>        20.440         584                0           -          2227   50                       (daemon) (idle)
         assetsd <bae0a17845ad3f67ba1a411952fe110a>         0.451         646                0           -          1959   50                       (daemon) (idle)
      aosnotifyd <270321e35a5b3813a69005715d1e53ad>         4.120         296                0           -          1051   50                       (daemon) (idle)
   findmydeviced <4d9d7db245583abb8cc63048f47bc81d>         1.769         359                0           -          1230   50                       (daemon) (idle)
            swcd <21b30b48e2c23d2da451c486c81fd7fd>         0.098         168                0           -           519   50                       (daemon) (idle)
            bird <24998ba1f9cc3b0290bbe7a60e19ca8d>         0.808         349                0           -          1118   50                       (daemon) (idle)
        nehelper <8c4dd6ac8405393592f307ac25b40bc6>         0.773         238                0           -           718   50                       (daemon) (idle)
mobile_installat <539c48d34bbf38a990893658bdc35c9e>        10.021         333                0           -           894   50                       (daemon) (idle)
             atc <1786925dab253512afbbe190a809fde2>        16.176        1528                0           -          4310   50                       (daemon) (idle)
  mobactivationd <e4768d24f3b63a3b8dea47f98730e35d>         1.729         212                0           -           698   50                       (daemon) (idle)
streaming_zip_co <e3ca632324193e87a3bf813843db6996>       488.599         280                0           -           973   50                       (daemon) (idle)
assistant_servic <46edeb480a1c30f09b058aa0958382db>         5.329        1009                0           -          3493   50                       (daemon) (idle)
      assistantd <73bc187a9374301dbb7bcf1b4c6d2867>         5.631        1213                0           -          2076   50                       (daemon) (idle)
 gamecontrollerd <792b9aa8c6e03c66a222b695a46d2f5a>         0.033         256                0           -          1056   50                       (daemon) (idle)
        routined <2f5f98267fb639b19cc19de5c048bbe9>        17.483         650                0           -          1769   50                       (daemon) (idle)
       securityd <45745b7adb2330a0ba1c1c32c0501e80>        37.823         728                0           -          1428   50                       (daemon) (idle)
        sandboxd <841b9a4124be3a1ea60b2b8075283db1>         0.590         158                0           -           610   50                       (daemon) (idle)
        misagent <7be2720f415930c3af52d7b9b267b702>         2.200         656                0           -           399   50                       (daemon) (idle)
       coreduetd <a2d44574d75d3e87b97014747811328e>        83.155        1208                0           -          2277   50                       (daemon) (idle)
       accountsd <9edc4e6d313832bcaba2afd137da6f90>        13.491        1090                0           -          4070   50                       (daemon) (idle)
    mediaremoted <65a3c03147663dc790c80a060e6d1c17>         2.736         441                0           -          1769   50                       (daemon) (idle)
     pasteboardd <6f9aa8e941ce3e2893513205f5a73ca0>         0.024         125                0           -           420   50                       (daemon) (idle)
coresymbolicatio <028c280ccb6737688602e6f3203c66b9>         0.197         104                0           -           377   50                       (daemon) (idle)
     diagnosticd <ebb6f638b1b13aedabaaf9690bb18c62>         0.225         125                0           -           215   50                       (daemon) (idle)
   nsurlsessiond <6d55c4fc44fa3c96acf44cdaf58815b5>       176.461         686                0           -          1853   50                       (daemon)
            seld <bb0fbcebb3cd3f04a571df35ef3d5cb6>         1.246         254                0           -          1020   50                       (daemon)
            nfcd <f0e3498c9e253ceebc5f7c67b56717a5>         0.763         217                0           -           704   50                       (daemon)
           passd <be4bad55b2363eb39629c7891067105f>         6.577         743                0           -          2425   50                       (daemon)
    itunescloudd <991319c425033b0fb12ecc983bf74781>         1.664        1212                0           -          2556   50                       (daemon)
com.apple.dt.ins <ba8dcb4ceeb33a2b92ae58283ef393b3>        20.492         257                0           -           745   50                       (daemon)
            afcd <0495404ae525381dbeccebd20688a26d>         0.426         142                0           -           341   50                       (daemon)
 companion_proxy <05c4afee46a5377d9ca1bc14d07d76ae>         0.207         260                0           -           885   50                       (daemon)
notification_pro <21284498a1973ddf8dfc72d4835189a6>         0.647         144                0           -           444   50                       (daemon)
   biometrickitd <f32f0f5360623ec5b2f4d76718544027>         1.827         254                0           -           728   50                       (daemon)
     debugserver <adf18cd25921364198631aa0bfc40946>         0.034         144                0           -           414   50                       (daemon)
      MobileMail <5a8957c4d74f3e94873f7add08fc606b>         3.743        1952                0           -          4518   50                       (resume) (continuous)
             lsd <2f0b3813a37b31e0b37d0ba054bd6723>        16.210         511                0           -          1545   50                       (daemon)
            tccd <d966d737dd6c3686aed9b8310b475a94>         1.394         382                0           -           869   50                       (daemon)
             kbd <c01e51bbdd733ed6804968afb25d74b4>         6.440        1312                0           -          2931   50                       (daemon)
            swar <68f1bcb5b35430d0a16361d243ff19a1>        47.191      164353                0           -         75418  200  [per-process-limit]  (audio) (frontmost) (resume)
            ptpd <910f2f7edc493e8fbaac4fd689a179e8>         1.242         756                0           -          1933   50                       (daemon)
        BTServer <bbb2e7f408fd3c0b91c671db280bb4fd>         3.509         489                0           -          1760   50                       (daemon)
           wifid <d3d7d48d59a13235b6c4180f70b8bebd>        86.079         628                0           -          1784   50                       (daemon)
       lockdownd <83499bfcfbd93fbebf1fbe8b36ebae67>        59.743         350                0           -           979   50                       (daemon)
      discoveryd <ead6c2ea8a3c31849b09f2988a4b6279>       113.997         666                0           -          1413  100                       (daemon)
       locationd <195e79011afd327c91dc10ee6dd2d944>       962.308        3210                0           -          4575   50                       (daemon)
         syslogd <325431ec29e9358e9995898a8af11979>        84.495         249                0           -           401   50                       (daemon)
identityservices <6dda716fc3503fc2bd15c23c4b8fa50c>        15.329         863                0           -          2061   50                       (daemon)
         imagent <de0c095babad32698448900bda266890>        11.375         550                0           -          1508   50                       (daemon)
        cfprefsd <18d97c4dba8c3002a05a8ce85f6b16e0>        35.036         458                0           -           811   50                       (daemon)
    mediaserverd <b379cb48bc4f3a9b93be0a501f06eea4>       939.712        2102                0           -          4409   50                       (daemon)
   iaptransportd <72b3ef68b33a3e5ab584b919d6c111bb>        13.424         418                0           -          1339   50                       (daemon)
          powerd <81f6770902523cafaa3788f6457ad480>        34.075         291                0           -           540   50                       (daemon)
           timed <e4e07eafac283892a107fa150c3886b5>        89.524         449                0           -          1358   50                       (daemon)
            apsd <21d421c46a1c30969c70adb9056d3609>        26.262         773                0           -          2018   50                       (daemon)
        networkd <79274f337988346eaa6af3fadac635c4>        80.504         720                0           -          1741   50                       (daemon)
             vmd <cd05d8c9199038e79edb1d1f3c22e8ee>         0.121         454                0           -          2006   50                       (daemon)
     dataaccessd <9f9d3beb74123a42842a96eafa114b21>        22.728        1681                0           -          4138   50                       (daemon)
        sharingd <0ff12aa500f53a958a9fd1b51801d1aa>         2.610         744                0           -          2439   50                       (daemon)
         searchd <41b7b55fdc343454a64bebe5e6228fb7>         5.881        1049                0           -          3225   50                       (daemon)
    itunesstored <91589b72fbbe362a9533e256b4b10479>       102.327        2845                0           -          4314  100                       (daemon)
    syslog_relay <89bc831557c532a98d54277f6a11a5d3>         6.239         119                0           -           240   50                       (daemon)
     SpringBoard <dc9dbb9e6a6a3f41b8ed05a3daefa35b>      1266.942        7176                0         +23         16698   50                      
      backboardd <5e756a7f855435d3a213a3b23d3fb2e6>      6419.347       11314                0           -          4358   50                       (daemon)
  UserEventAgent <7a849d042cf23564b393016f82832ccd>       574.828        1186                0           -          2316  200                       (daemon)
       fseventsd <af7bd0467f083a3297af450e6e7d3e32>        18.810         332                0           -           713   50                       (daemon)
         configd <66e303bfd8dd366fac03bc9f132fbf48>        80.325         564                0           -          1472   50                       (daemon)
    fairplayd.H2 <1f809b2f4d683908bb01d9a8c46fafbe>         9.185         163                0           -          1442   50                       (daemon)
   wirelessproxd <60d34b5bd84339eeb3b0e9d40f657d08>         0.188         235                0           -           964   50                       (daemon)
      aggregated <f480a4d55fc23561913102f52b49cfbb>      1018.613        1346                0           -          2442   50                       (daemon)
      assertiond <f41737263bbe36be9cdb7aa4ef6cb94e>        13.476         346                0           -           954   50                       (daemon)
       distnoted <e485ac96b8b0303a866c9d97b5677d21>         2.883         203                0           -           325   50                       (daemon)
filecoordination <66d2f8c2520431a8ac3153ddcacf5f94>         4.018         290                0           -           926   50                       (daemon)
      DTMobileIS <53394376105337f4a56fd02b851940a7>       849.606       16945                0           -         50621   50                       (daemon)
       gputoolsd <e1972467611430818f1ad36f8c71a37e>         2.072         706                0           -          1670   50                       (daemon)
   nsurlstoraged <64561d059b9e32a68d79bea9c76a11ad>        44.223         885                0           -          1406   50                       (daemon)
      CommCenter <ebded28c16df39fa9918ef17e9c7f69f>       540.175        1519                0           -          4966   50                       (daemon)
         notifyd <5401847189ab3eb0af2a5c0c969ac3e7>        56.653         372                0           -           428   50                       (daemon)
     ReportCrash <52d16041a96631deb5552ff0582b5223>         0.282        5298                0           -         16642   50                       (daemon)

**End**

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