profiling: Use less strict memory order for sequence_number.
Change-Id: I5eb3a47ad36c0eb7e2f9b91e1e81544bcde5510e
Bug: 119623234
diff --git a/src/profiling/memory/client.cc b/src/profiling/memory/client.cc
index d019af9..9a356ef 100644
--- a/src/profiling/memory/client.cc
+++ b/src/profiling/memory/client.cc
@@ -278,7 +278,8 @@
metadata.stack_pointer = reinterpret_cast<uint64_t>(stacktop);
metadata.stack_pointer_offset = sizeof(AllocMetadata);
metadata.arch = unwindstack::Regs::CurrentArch();
- metadata.sequence_number = ++sequence_number_;
+ metadata.sequence_number =
+ 1 + sequence_number_.fetch_add(1, std::memory_order_acq_rel);
WireMessage msg{};
msg.record_type = RecordType::Malloc;
@@ -296,7 +297,9 @@
void Client::RecordFree(uint64_t alloc_address) {
if (!inited_.load(std::memory_order_acquire))
return;
- free_page_.Add(alloc_address, ++sequence_number_, &socket_pool_);
+ free_page_.Add(alloc_address,
+ 1 + sequence_number_.fetch_add(1, std::memory_order_acq_rel),
+ &socket_pool_);
}
size_t Client::ShouldSampleAlloc(uint64_t alloc_size,
