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tsan: include internal allocator info in mem profile

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We allocate things from the internal allocator,
it's useful to know how much it consumes.

Depends on D110150.

Reviewed By: melver, vitalybuka

Differential Revision: https://reviews.llvm.org/D110151
This commit is contained in:
Dmitry Vyukov 2021-09-21 11:38:52 +02:00
parent 58a157cd3b
commit b8aa9b0c37
1 changed files with 15 additions and 11 deletions
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26
compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
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@ -127,20 +127,24 @@ void WriteMemoryProfile(char *buf, uptr buf_size) {
StackDepotStats *stacks = StackDepotGetStats();
uptr nthread, nlive;
ctx->thread_registry.GetNumberOfThreads(&nthread, &nlive);
uptr internal_stats[AllocatorStatCount];
internal_allocator()->GetStats(internal_stats);
// All these are allocated from the common mmap region.
mem[MemMmap] -= meta.mem_block + meta.sync_obj + stacks->allocated;
mem[MemMmap] -= meta.mem_block + meta.sync_obj + stacks->allocated +
internal_stats[AllocatorStatMapped];
if (s64(mem[MemMmap]) < 0)
mem[MemMmap] = 0;
internal_snprintf(buf, buf_size,
"RSS %zd MB: shadow:%zd meta:%zd file:%zd mmap:%zd"
" trace:%zd heap:%zd other:%zd memblocks:%zd syncobj:%zu"
" stacks=%zd[%zd] nthr=%zd/%zd\n",
mem[MemTotal] >> 20, mem[MemShadow] >> 20,
mem[MemMeta] >> 20, mem[MemFile] >> 20, mem[MemMmap] >> 20,
mem[MemTrace] >> 20, mem[MemHeap] >> 20,
mem[MemOther] >> 20, meta.mem_block >> 20,
meta.sync_obj >> 20, stacks->allocated >> 20,
stacks->n_uniq_ids, nlive, nthread);
internal_snprintf(
buf, buf_size,
"RSS %zd MB: shadow:%zd meta:%zd file:%zd mmap:%zd"
" trace:%zd heap:%zd other:%zd intalloc:%zd memblocks:%zd syncobj:%zu"
" stacks=%zd[%zd] nthr=%zd/%zd\n",
mem[MemTotal] >> 20, mem[MemShadow] >> 20, mem[MemMeta] >> 20,
mem[MemFile] >> 20, mem[MemMmap] >> 20, mem[MemTrace] >> 20,
mem[MemHeap] >> 20, mem[MemOther] >> 20,
internal_stats[AllocatorStatMapped] >> 20, meta.mem_block >> 20,
meta.sync_obj >> 20, stacks->allocated >> 20, stacks->n_uniq_ids, nlive,
nthread);
}
# if SANITIZER_LINUX