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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /memory/mozjemalloc_info | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'memory/mozjemalloc_info')
-rw-r--r-- | memory/mozjemalloc_info/MozjemallocInfo.cpp | 46 | ||||
-rw-r--r-- | memory/mozjemalloc_info/moz.build | 39 |
2 files changed, 85 insertions, 0 deletions
diff --git a/memory/mozjemalloc_info/MozjemallocInfo.cpp b/memory/mozjemalloc_info/MozjemallocInfo.cpp new file mode 100644 index 0000000000..0795be8047 --- /dev/null +++ b/memory/mozjemalloc_info/MozjemallocInfo.cpp @@ -0,0 +1,46 @@ +/* -*- 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; + + const size_t num_bins = jemalloc_stats_num_bins(); + const size_t MAX_NUM_BINS = 100; + if (num_bins > MAX_NUM_BINS) { + fprintf(stderr, "Exceeded maximum number of jemalloc stats bins"); + return 1; + } + jemalloc_bin_stats_t bin_stats[MAX_NUM_BINS] = {{0}}; + 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 (unsigned i = 0; i < num_bins; i++) { + auto& bin = bin_stats[i]; + if (bin.size) { + printf(" Bin %5zu has runs of %3zuKiB\n", bin.size, + bin.bytes_per_run / 1024); + } + } + + return EXIT_SUCCESS; +} diff --git a/memory/mozjemalloc_info/moz.build b/memory/mozjemalloc_info/moz.build new file mode 100644 index 0000000000..76dd3c5001 --- /dev/null +++ b/memory/mozjemalloc_info/moz.build @@ -0,0 +1,39 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# 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/. + +Program("mozjemalloc-info") + +SOURCES += [ + "/mfbt/Assertions.cpp", + "/mfbt/RandomNum.cpp", + "/mozglue/misc/StackWalk.cpp", + "MozjemallocInfo.cpp", +] + +# Link replace-malloc and the default allocator. +USE_LIBS += [ + "memory", +] + +# The memory library defines this, so it's needed here too. +DEFINES["IMPL_MFBT"] = True + +if CONFIG["MOZ_NEEDS_LIBATOMIC"]: + OS_LIBS += ["atomic"] + +UNIFIED_SOURCES += [ + "/mfbt/double-conversion/double-conversion/bignum-dtoa.cc", + "/mfbt/double-conversion/double-conversion/bignum.cc", + "/mfbt/double-conversion/double-conversion/cached-powers.cc", + "/mfbt/double-conversion/double-conversion/double-to-string.cc", + "/mfbt/double-conversion/double-conversion/fast-dtoa.cc", + "/mfbt/double-conversion/double-conversion/fixed-dtoa.cc", + "/mozglue/misc/Printf.cpp", +] + +DisableStlWrapping() + +include("/mozglue/build/replace_malloc.mozbuild") |