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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
//
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// Copyright (c) 2013-2021 Winlin
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//
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// SPDX-License-Identifier: MIT
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//
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/**
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@see: http://google-perftools.googlecode.com/svn/trunk/doc/heapprofile.html
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config srs with gperf(to make gperftools):
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./configure --with-gperf --jobs=3
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set the pprof path if not set:
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export PPROF_PATH=`pwd`/../../../objs/pprof
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to do mem profile:
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make && rm -f srs.*.heap && env HEAPPROFILE=./srs ./heap_profiler
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$PPROF_PATH --text heap_profiler ./*.heap
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <gperftools/heap-profiler.h>
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void memory_alloc_profile_imp() {
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for (int i = 0; i < 2; ++i) {
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char* p = new char[110 * 1024 * 1024];
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for (int j = 0; j < 110 * 1024 * 1024; ++j) {
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p[j] = j;
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}
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printf("mem profile, increase 110MB\n");
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printf("press CTRL+C if you want to abort the program.\n");
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sleep(5);
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}
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}
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void memory_alloc_profile() {
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memory_alloc_profile_imp();
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}
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int main(int argc, char** argv) {
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// must start profiler manually.
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HeapProfilerStart(NULL);
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memory_alloc_profile();
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// not neccessary to call stop.
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//HeapProfilerStop();
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return 0;
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}
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