tcmalloc deadlock #1488
Description
Thread 29 (Thread 0x7ee14ea5d700 (LWP 57194)):
#0 0x000055cee64a4250 in sys_futex ()
#1 0x000055cee64a4401 in base::internal::SpinLockDelay(int volatile*, int, int) ()
#2 0x000055cee64a40c0 in SpinLock::SlowLock() ()
#3 0x000055cee648cce4 in SpinLock::Lock() ()
#4 0x000055cee648cd8c in SpinLockHolder::SpinLockHolder(SpinLock*) ()
#5 0x000055cee6490ea2 in tcmalloc::CentralFreeList::ReleaseToSpans(void*) ()
#6 0x000055cee6490c82 in tcmalloc::CentralFreeList::ReleaseListToSpans(void*) ()
#7 0x000055cee649142e in tcmalloc::CentralFreeList::InsertRange(void*, void*, int) ()
#8 0x000055cee64a28a1 in tcmalloc::ThreadCache::ReleaseToCentralCache(tcmalloc::ThreadCache::FreeList*, unsigned int, int) ()
#9 0x000055cee64a2649 in tcmalloc::ThreadCache::ListTooLong(tcmalloc::ThreadCache::FreeList*, unsigned int) ()
#10 0x000055cee67c0505 in tc_free ()
#11 0x000055cee6119453 in bvar::detail::SamplerCollector::run (this=) at incubator-brpc-0.9.7/src/bvar/detail/sampler.cpp:160
#12 0x000055cee611a019 in bvar::detail::SamplerCollector::sampling_thread (arg=) at bvar/detail/sampler.cpp:103
#13 0x00007f3f8fd1ae45 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f3f8f1ae26d in clone () from /lib64/libc.so.6
Thread 19 (Thread 0x7e81d6db1700 (LWP 57459)):
#0 0x000055cee64a4250 in sys_futex ()
#1 0x000055cee64a4401 in base::internal::SpinLockDelay(int volatile*, int, int) ()
#2 0x000055cee64a40c0 in SpinLock::SlowLock() ()
#3 0x000055cee648cce4 in SpinLock::Lock() ()
#4 0x000055cee648cd8c in SpinLockHolder::SpinLockHolder(SpinLock*) ()
#5 0x000055cee64a2a57 in tcmalloc::ThreadCache::IncreaseCacheLimit() ()
#6 0x000055cee64a2a09 in tcmalloc::ThreadCache::Scavenge() ()
#7 0x000055cee67c055d in tc_free ()
#8 0x000055cee612b19b in butil::ObjectPoolbthread::Butex::LocalPool::delete_local_pool (arg=0x7ee219489a80) at incubator-brpc-0.9.7/src/butil/object_pool_inl.h:141
#9 0x000055cee610fe3a in ~ThreadExitHelper (this=0x7ee2195ce860, __in_chrg=) at incubator-brpc-0.9.7/src/butil/thread_local.cpp:41
#10 butil::detail::helper_exit_global () at incubator-brpc-0.9.7/src/butil/thread_local.cpp:85
#11 0x00007f3f8f0ead49 in __run_exit_handlers () from /lib64/libc.so.6
#12 0x00007f3f8f0ead95 in exit () from /lib64/libc.so.6
#13 0x000055cee64a1eae in ShmSysAllocator::Alloc(unsigned long, unsigned long*, unsigned long) ()
#14 0x000055cee64a18dc in TCMalloc_SystemAlloc(unsigned long, unsigned long*, unsigned long) ()
#15 0x000055cee649c10d in tcmalloc::PageHeap::GrowHeap(unsigned long) ()
#16 0x000055cee649aa91 in tcmalloc::PageHeap::New(unsigned long) ()
#17 0x000055cee649187e in tcmalloc::CentralFreeList::Populate() ()
#18 0x000055cee6491677 in tcmalloc::CentralFreeList::FetchFromOneSpansSafe(int, void**, void**) ()
#19 0x000055cee6491591 in tcmalloc::CentralFreeList::RemoveRange(void**, void**, int) ()
#20 0x000055cee64a24be in tcmalloc::ThreadCache::FetchFromCentralCache(unsigned int, int, void* (*)(unsigned long)) ()
#21 0x000055cee67c00c2 in tc_malloc ()
锁死不动了，多线程使用tcmalloc分配内存，插入数据。