iOS 获取堆栈信息2022-02-23

#include <libkern/OSAtomic.h>
#include <execinfo.h>
tatic void getStackList()
{
    void* callstack[128];
    int frames = backtrace(callstack, 128);
    char **strs = backtrace_symbols(callstack, frames);
    int i;
    NSMutableArray *backtrace = [NSMutableArray arrayWithCapacity:frames];
    for (i = 0;i < 4;i++){
        [backtrace addObject:[NSString stringWithUTF8String:strs[i]]];
    }
    free(strs);
    DDLogDebug(@"=====>>>>>堆栈<<<<<=====\n%@",backtrace);
}
//测试代码
[NSTimer timerWithTimeInterval:5 repeats:YES block:^(NSTimer * _Nonnull timer) {
        getStackList();
    }];