SRS 6.0-b0 源码 + danmaku 后端（排除 objs/3rdparty/测试媒体）

2026-08-27 21:46:20 +08:00
commit 41b5da7c7e
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+.PHONY: default clean
+
+default: heap_profiler
+
+heap_profiler: heap_profiler.cc Makefile
+	g++ -o heap_profiler heap_profiler.cc -g -O0 -ansi \
+        -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free \
+        -I../../../objs/gperf/include ../../../objs/gperf/lib/libtcmalloc_and_profiler.a -lpthread
+clean:
+	rm -f heap_profiler srs.*.heap ./*.dSYM
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+//
+// Copyright (c) 2013-2025 Winlin
+//
+// SPDX-License-Identifier: MIT
+//
+/**
+@see: https://gperftools.github.io/gperftools/heapprofile.html
+config srs with gperf(to make gperftools):
+    ./configure --with-gperf --jobs=3
+set the pprof path if not set:
+    export PPROF_PATH=`pwd`/../../../objs/pprof
+to do mem profile:
+    make && rm -f srs.*.heap && env HEAPPROFILE=./srs ./heap_profiler
+    $PPROF_PATH --text heap_profiler ./*.heap
+*/
+#include <stdio.h>
+#include <unistd.h>
+#include <signal.h>
+#include <stdlib.h>
+
+#include <gperftools/heap-profiler.h>
+
+void memory_alloc_profile_imp() {
+    for (int i = 0; i < 2; ++i) {
+        char* p = new char[110 * 1024 * 1024];
+        for (int j = 0; j < 110 * 1024 * 1024; ++j) {
+            p[j] = j;
+        }
+        printf("mem profile, increase 110MB\n");
+        printf("press CTRL+C if you want to abort the program.\n");
+        sleep(5);
+    }
+}
+void memory_alloc_profile() {
+    memory_alloc_profile_imp();
+}
+
+int main(int argc, char** argv) {
+    // must start profiler manually.
+    HeapProfilerStart(NULL);
+    
+    memory_alloc_profile();
+    // not neccessary to call stop.
+    //HeapProfilerStop();
+    
+    return 0;
+}
+