15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2003, Google Inc. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Redistribution and use in source and binary forms, with or without 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// modification, are permitted provided that the following conditions are 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// met: 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions of source code must retain the above copyright 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notice, this list of conditions and the following disclaimer. 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions in binary form must reproduce the above 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// copyright notice, this list of conditions and the following disclaimer 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the documentation and/or other materials provided with the 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// distribution. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Neither the name of Google Inc. nor the names of its 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contributors may be used to endorse or promote products derived from 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this software without specific prior written permission. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --- 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Author: Sanjay Ghemawat 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// MallocExtension::MarkThreadIdle() testing 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stdio.h> 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "config_for_unittests.h" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <gperftools/malloc_extension.h> 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "tests/testutil.h" // for RunThread() 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Helper routine to do lots of allocations 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void TestAllocation() { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const int kNum = 100; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* ptr[kNum]; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int size = 8; size <= 65536; size*=2) { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < kNum; i++) { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ptr[i] = malloc(size); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < kNum; i++) { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) free(ptr[i]); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Routine that does a bunch of MarkThreadIdle() calls in sequence 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// without any intervening allocations 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void MultipleIdleCalls() { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < 4; i++) { 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MallocExtension::instance()->MarkThreadIdle(); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Routine that does a bunch of MarkThreadIdle() calls in sequence 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// with intervening allocations 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void MultipleIdleNonIdlePhases() { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < 4; i++) { 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestAllocation(); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MallocExtension::instance()->MarkThreadIdle(); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Get current thread cache usage 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static size_t GetTotalThreadCacheSize() { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t result; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(MallocExtension::instance()->GetNumericProperty( 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "tcmalloc.current_total_thread_cache_bytes", 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &result)); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Check that MarkThreadIdle() actually reduces the amount 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// of per-thread memory. 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void TestIdleUsage() { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const size_t original = GetTotalThreadCacheSize(); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) TestAllocation(); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const size_t post_allocation = GetTotalThreadCacheSize(); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_GT(post_allocation, original); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MallocExtension::instance()->MarkThreadIdle(); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const size_t post_idle = GetTotalThreadCacheSize(); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_LE(post_idle, original); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Log after testing because logging can allocate heap memory. 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(0, "Original usage: %"PRIuS"\n", original); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(0, "Post allocation: %"PRIuS"\n", post_allocation); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) VLOG(0, "Post idle: %"PRIuS"\n", post_idle); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int main(int argc, char** argv) { 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunThread(&TestIdleUsage); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunThread(&TestAllocation); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunThread(&MultipleIdleCalls); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RunThread(&MultipleIdleNonIdlePhases); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) printf("PASS\n"); 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 109