{"id":4224,"date":"2014-03-30T09:24:37","date_gmt":"2014-03-30T09:24:37","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/iphone-memory-leak-a-lot-of-allocations-collection-of-common-programming-errors\/"},"modified":"2014-03-30T09:24:37","modified_gmt":"2014-03-30T09:24:37","slug":"iphone-memory-leak-a-lot-of-allocations-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/iphone-memory-leak-a-lot-of-allocations-collection-of-common-programming-errors\/","title":{"rendered":"iPhone memory leak (a lot of allocations)-Collection of common programming errors"},"content":{"rendered":"<p>I tested my app in Instruments. No leaks found, but app crashes (not immediately &#8211; after ~20 minutes [depends on user&#8217;s activity] of working). I viewed Allocations. It reports:<\/p>\n<pre><code>Category | Live Bytes | Count Live | # Living | # Transitory | Overall Bytes | # Allocations (Net \/ Overall)\nMalloc 16 Bytes | 235088 | 14693 | 0 | 235088 | 14693 | 1.00\n<\/code><\/pre>\n<p>All records (when I view detailed info for &#8220;Malloc 16 Bytes&#8221;) are made for only one object:<\/p>\n<pre><code># | Object Address | Category | Creation Time | Live | Size | Responsible Library | Responsible Caller\n0 | 0x104b50 | 817461248 | . | dyld | _dyld_start\n<\/code><\/pre>\n<p>(&#8230;and 14693 records with same fields data, except, of course, #).<\/p>\n<p>Stack Trace:<\/p>\n<pre><code>   0 CoreFoundation __CFAllocatorSystemAllocate\n   1 CoreFoundation CFAllocatorAllocate\n   2 CoreFoundation __CFGetConverter\n   3 CoreFoundation CFStringEncodingGetConverter\n   4 CoreFoundation CFStringGetSystemEncoding\n   5 CoreFoundation __CFStringInitializeSystemEncoding\n   6 CoreFoundation __CFInitialize\n   7 dyld ImageLoaderMachO::doImageInit(ImageLoader::LinkContext const&amp;)\n   8 dyld ImageLoaderMachO::doInitialization(ImageLoader::LinkContext const&amp;)\n   9 dyld ImageLoader::recursiveInitialization(ImageLoader::LinkContext const&amp;, unsigned int, ImageLoader::InitializerTimingList&amp;)\n  10 dyld ImageLoader::recursiveInitialization(ImageLoader::LinkContext const&amp;, unsigned int, ImageLoader::InitializerTimingList&amp;)\n  11 dyld ImageLoader::runInitializers(ImageLoader::LinkContext const&amp;, ImageLoader::InitializerTimingList&amp;)\n  12 dyld dyld::initializeMainExecutable()\n  13 dyld dyld::_main(macho_header const*, unsigned long, int, char const**, char const**, char const**)\n  14 dyld dyldbootstrap::start(macho_header const*, int, char const**, long, macho_header const*)\n  15 dyld _dyld_start\n<\/code><\/pre>\n<p>I can&#8217;t paste all code here (app is not a few lines). But, please, give me some advice &#8211; where to search for memory leak or smth. else&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I tested my app in Instruments. No leaks found, but app crashes (not immediately &#8211; after ~20 minutes [depends on user&#8217;s activity] of working). I viewed Allocations. It reports: Category | Live Bytes | Count Live | # Living | # Transitory | Overall Bytes | # Allocations (Net \/ Overall) Malloc 16 Bytes | [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4224","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=4224"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4224\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=4224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=4224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=4224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}