gecko-dev/memory/mozjemalloc_info/MozjemallocInfo.cpp

40 строки
1.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include <stdlib.h>
#include "mozmemory.h"
/*
* Print the configured size classes which we can then use to update
* documentation.
*/
int main() {
jemalloc_stats_t stats;
jemalloc_bin_stats_t bin_stats[JEMALLOC_MAX_STATS_BINS];
jemalloc_stats(&stats, bin_stats);
printf("Page size: %5zu\n", stats.page_size);
printf("Chunk size: %5zuKiB\n", stats.chunksize / 1024);
printf("Quantum: %5zu\n", stats.quantum);
printf("Quantum max: %5zu\n", stats.quantum_max);
printf("Sub-page max: %5zu\n", stats.page_size / 2);
printf("Large max: %5zuKiB\n", stats.large_max / 1024);
printf("\nBin stats:\n");
for (auto& bin : bin_stats) {
if (bin.size) {
printf(" Bin %5zu has runs of %3zuKiB\n", bin.size,
bin.bytes_per_run / 1024);
}
}
return EXIT_SUCCESS;
}