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Bug 1805606 - Pretty print jemalloc_info output r=glandium

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Differential Revision: https://phabricator.services.mozilla.com/D164629
This commit is contained in:
Paul Bone
2025-05-12 06:27:54 +00:00
committed by pbone@mozilla.com
parent cb25734e25
commit 0ed9928804
1 changed files with 9 additions and 4 deletions
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13
memory/mozjemalloc_info/MozjemallocInfo.cpp
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@@ -25,20 +25,25 @@ int main() {
jemalloc_bin_stats_t bin_stats[MAX_NUM_BINS] = {{0}};
jemalloc_stats(&stats, bin_stats);
printf("\n");
printf("Parameters\n");
printf("----------\n\n");
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");
printf("\n");
printf("Run layout for each bin size\n");
printf("----------------------------\n\n");
printf(" Size | Run size\n");
printf("------|----------\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);
printf("%5zu | %5zuKiB\n", bin.size, bin.bytes_per_run / 1024);
}
}