1.添加内存申请释放记录代码。

CMakeLists.txt

@@ -26,7 +26,7 @@ set(ZLMediaKit_ROOT /opt/aarch64-v01c01-linux-gnu-gcc/lib/ZLMediaKit)
 set(ZLMediaKit_INCLUDE_DIR ${ZLMediaKit_ROOT}/include)
 set(ZLMediaKit_LIBRARY_DIRS ${ZLMediaKit_ROOT}/lib)
 
-if(${CROSS_BUILD})
+if(CROSS_BUILD)
   add_subdirectory(Main)
 endif()
 add_subdirectory(Tools)

Tools/LeakTracer/MemoryAllocationStackTracer.cpp

@@ -1,4 +1,6 @@
 #include "MemoryAllocationStackTracer.h"
+#include "DateTime.h"
+#include <boost/stacktrace/detail/addr_base.hpp>
 #include <fstream>
 #include <iostream>
 #include <sstream>
@@ -10,7 +12,8 @@ void *__wrap_malloc(size_t size) {
     void *address = __real_malloc(size);
     auto self = MemoryAllocationStackTracer::instance();
     if (address != nullptr && self->enabled()) {
-        self->push(reinterpret_cast<uint64_t>(address), MemoryAllocationStackTracer::Frame());
+        self->push(reinterpret_cast<uint64_t>(address),
+                   MemoryAllocationStackTracer::Frame(1, static_cast<std::size_t>(-1)));
     }
     //    printf("%p = malloc(%zu)\n", address, size);
     return address;
@@ -26,9 +29,13 @@ void __wrap_free(void *__ptr) {
 }
 
 void *operator new(std::size_t size) {
-    // printf("void *operator new(std::size_t size),%zu\n", size);
+    void *address = __real_malloc(size);
-
+    auto self = MemoryAllocationStackTracer::instance();
-    return malloc(size);
+    if (address != nullptr && self->enabled()) {
+        self->push(reinterpret_cast<uint64_t>(address),
+                   MemoryAllocationStackTracer::Frame(1, static_cast<std::size_t>(-1)));
+    }
+    return address;
 }
 
 void operator delete(void *p) noexcept {
@@ -37,8 +44,13 @@ void operator delete(void *p) noexcept {
 }
 
 void *operator new[](std::size_t count) {
-    //    printf("%s", "void *operator new[](std::size_t count)\n");
+    void *address = __real_malloc(count);
-    return malloc(count);
+    auto self = MemoryAllocationStackTracer::instance();
+    if (address != nullptr && self->enabled()) {
+        self->push(reinterpret_cast<uint64_t>(address),
+                   MemoryAllocationStackTracer::Frame(1, static_cast<std::size_t>(-1)));
+    }
+    return address;
 }
 
 void operator delete[](void *ptr) noexcept {
@@ -46,24 +58,39 @@ void operator delete[](void *ptr) noexcept {
     return free(ptr);
 }
 
-MemoryAllocationStackTracer *MemoryAllocationStackTracer::m_instance = nullptr;
+void operator delete(void *ptr, std::size_t sz, std::align_val_t al) noexcept {
-
+    return free(ptr);
-void MemoryAllocationStackTracer::start() {
+}
-    if (!m_enabled) {
+void operator delete[](void *ptr, std::size_t sz, std::align_val_t al) noexcept {
-        m_enabled = true;
+    return free(ptr);
-    }
 }
 
+MemoryAllocationStackTracer *MemoryAllocationStackTracer::m_instance = nullptr;
+
 void MemoryAllocationStackTracer::push(uint64_t address, Frame &&stacktrace) {
+    if (stacktrace.empty()) return;
+    auto beginFrame = stacktrace.cbegin()->address();
+    if (m_counts.count(beginFrame) <= 0) {
+        m_counts.insert({beginFrame, 1});
+    } else {
+        m_counts[beginFrame]++;
+    }
+
     Infomation info;
     info.time = std::chrono::system_clock::now();
     info.frame = std::move(stacktrace);
     m_stacktraces.insert({address, info});
-    // m_stacktraces.insert({address, stacktrace});
 }
 
 void MemoryAllocationStackTracer::pop(uint64_t address) {
     if (m_stacktraces.count(address) > 0) {
+        auto &info = m_stacktraces.at(address);
+        auto beginFrame = info.frame.cbegin()->address();
+        if (m_counts.count(beginFrame) > 0) {
+            if (m_counts.at(beginFrame) > 0) {
+                m_counts[beginFrame]--;
+            }
+        }
         m_stacktraces.erase(address);
     }
 }
@@ -77,22 +104,65 @@ MemoryAllocationStackTracer *MemoryAllocationStackTracer::instance() {
     }
     return m_instance;
 }
-void MemoryAllocationStackTracer::dump() {
+
+std::string MemoryAllocationStackTracer::dump() {
     using namespace std::chrono;
     m_enabled = false;
-    std::cout << "size: " << m_stacktraces.size() << std::endl;
+    std::ostringstream oss;
+    oss << "size: " << m_stacktraces.size() << std::endl;
     int index = 0;
     auto now = std::chrono::system_clock::now();
-    std::ofstream ofs("test.txt");
     for (auto &info : m_stacktraces) {
-        std::ostringstream oss;
         auto duration = duration_cast<seconds>(now - info.second.time);
         oss << "-----index[" << index << "] duration: " << duration.count() << "s:-----" << std::endl;
         oss << info.second.frame << std::endl;
-        auto content = oss.str();
-        ofs << content;
-        std::cout << content;
         index++;
     }
+    // aarch64-linux-gnu-addr2line -e build/Tools/LeakTracer/LeakTracer 0x55caea8e4f62
+
+    for (auto &count : m_counts) {
+        auto addr_base = boost::stacktrace::detail::get_own_proc_addr_base(count.first);
+        oss << "address: " << std::hex << (count.first - addr_base) << ", count: " << count.second << std::endl;
+    }
     m_enabled = true;
+    return oss.str();
 }
+
+void MemoryAllocationStackTracer::run() {
+    using namespace std::chrono;
+    using namespace std::chrono_literals;
+    while (!m_exit) {
+        auto start = system_clock::now();
+
+        while (!m_exit) {
+            std::this_thread::sleep_for(50ms);
+            auto now = system_clock::now();
+            auto elapsed = duration_cast<milliseconds>(now - start);
+            if (elapsed <= m_intervals) continue;
+
+            std::ostringstream oss;
+            oss << m_path << "/" << m_applicationName << "_" << DateTime(start).toString("%Y%m%d%H%M%S") << "-"
+                << DateTime::currentDateTime().toString("%Y%m%d%H%M%S") << ".dump";
+
+            std::ofstream ofs(oss.str());
+            ofs << dump();
+            break;
+        }
+    }
+}
+
+void MemoryAllocationStackTracer::stop() {
+    if (!m_exit) {
+        m_exit = true;
+        if (m_thread.joinable()) m_thread.join();
+    }
+    if (m_enabled) {
+        m_enabled = false;
+    }
+    m_stacktraces.clear();
+    m_counts.clear();
+}
+
+MemoryAllocationStackTracer::~MemoryAllocationStackTracer() {
+    stop();
+}

Tools/LeakTracer/MemoryAllocationStackTracer.h

@@ -3,6 +3,7 @@
 
 #include <boost/stacktrace/stacktrace.hpp>
 #include <chrono>
+#include <thread>
 #include <unordered_map>
 
 extern "C" {
@@ -62,26 +63,62 @@ public:
 class MemoryAllocationStackTracer {
 public:
     using Frame = boost::stacktrace::basic_stacktrace<DebugAllocator<boost::stacktrace::frame>>;
+    using String = std::basic_string<char, std::char_traits<char>, DebugAllocator<char>>;
+    using OutStringStream = std::basic_ostringstream<char, std::char_traits<char>, DebugAllocator<char>>;
     class Infomation {
     public:
         std::chrono::system_clock::time_point time;
         Frame frame;
     };
+    ~MemoryAllocationStackTracer();
     static MemoryAllocationStackTracer *instance();
     inline bool enabled() const {
         return m_enabled;
     }
-    void start();
+
-    void dump();
+    template <class Rep, class Period>
+    void start(const std::string &path, const std::string &applicationName,
+               const std::chrono::duration<Rep, Period> &intervals) {
+        if (m_exit) {
+            m_exit = false;
+            m_thread = std::thread(&MemoryAllocationStackTracer::run, this);
+        }
+        m_intervals = std::chrono::duration_cast<std::chrono::milliseconds>(intervals);
+
+        if (!m_enabled) {
+            m_enabled = true;
+        }
+        m_path = path;
+        m_applicationName = applicationName;
+    }
+
+    void stop();
+
+    std::string dump();
     void push(uint64_t address, Frame &&stacktrace);
     void pop(uint64_t address);
 
+protected:
+    void run();
+
 private:
     std::unordered_map<uint64_t, Infomation, std::hash<uint64_t>, std::equal_to<uint64_t>,
                        DebugAllocator<std::pair<const uint64_t, Infomation>>>
         m_stacktraces;
 
+    std::unordered_map<boost::stacktrace::frame::native_frame_ptr_t, uint32_t,
+                       std::hash<boost::stacktrace::frame::native_frame_ptr_t>,
+                       std::equal_to<boost::stacktrace::frame::native_frame_ptr_t>,
+                       DebugAllocator<std::pair<const boost::stacktrace::frame::native_frame_ptr_t, uint32_t>>>
+        m_counts;
+
     static MemoryAllocationStackTracer *m_instance;
+    std::string m_path;
+    std::string m_applicationName;
+    bool m_exit = true;
+    std::thread m_thread;
+    std::chrono::milliseconds m_intervals;
+
     bool m_enabled = false;
 };