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- // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- // This is a unit test for exercising fragmentation of large (over 1
- // meg) page spans. It makes sure that allocations/releases of
- // increasing memory chunks do not blowup memory
- // usage. See also https://code.google.com/p/gperftools/issues/detail?id=368
- #include <stddef.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include "base/logging.h"
- #include "common.h"
- #include <gperftools/malloc_extension.h>
- int main (int argc, char** argv) {
- for (int pass = 1; pass <= 3; pass++) {
- size_t size = 100*1024*1024;
- while (size < 500*1024*1024) {
- void *ptr = malloc(size);
- free(ptr);
- size += 20000;
- size_t heap_size = static_cast<size_t>(-1);
- MallocExtension::instance()->GetNumericProperty("generic.heap_size",
- &heap_size);
- CHECK_LT(heap_size, 1*1024*1024*1024);
- }
- }
- printf("PASS\n");
- return 0;
- }
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