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a83c4f05dd
Fix the reported error in Bug 1743713 plus a linker error. Differential Revision: https://phabricator.services.mozilla.com/D132913
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "mozmemory.h"
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/*
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* Print the configured size classes which we can then use to update
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* documentation.
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*/
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int main() {
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jemalloc_stats_t stats;
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const size_t num_bins = jemalloc_stats_num_bins();
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const size_t MAX_NUM_BINS = 100;
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if (num_bins > MAX_NUM_BINS) {
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fprintf(stderr, "Exceeded maximum number of jemalloc stats bins");
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return 1;
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}
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jemalloc_bin_stats_t bin_stats[MAX_NUM_BINS] = {{0}};
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jemalloc_stats(&stats, bin_stats);
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printf("Page size: %5zu\n", stats.page_size);
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printf("Chunk size: %5zuKiB\n", stats.chunksize / 1024);
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printf("Quantum: %5zu\n", stats.quantum);
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printf("Quantum max: %5zu\n", stats.quantum_max);
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printf("Sub-page max: %5zu\n", stats.page_size / 2);
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printf("Large max: %5zuKiB\n", stats.large_max / 1024);
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printf("\nBin stats:\n");
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for (unsigned i = 0; i < num_bins; i++) {
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auto& bin = bin_stats[i];
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if (bin.size) {
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printf(" Bin %5zu has runs of %3zuKiB\n", bin.size,
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bin.bytes_per_run / 1024);
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}
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}
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return EXIT_SUCCESS;
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}
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