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Fix deadlocks during initialization (#167)

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- More to come in later commit, below is just tidying some stuff up
  - clang-tidy
  - mpi_gotcha quiet about not finding funcs
  - update to new papi config
  - sampling block_samples / unblock_samples
    - disable calling component's sample functions within sampler
  - release doesn't strip library
  - remove HSA and ROCP env variables from modulefile / setup-env
- preliminary support for LD_PRELOAD usage
- default sampling rate is 300 interrupts / second
- fixes various deadlock issues at startup
This commit is contained in:
Jonathan R. Madsen
2022-09-26 07:52:14 -05:00
committed by GitHub
parent 90ff7188f8
commit 8f36620e29
49 changed files with 866 additions and 342 deletions
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source/lib/omnitrace/library/thread_info.cpp
+13 -13
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@@ -47,9 +47,9 @@ get_index_data(int64_t _tid)
}
auto
init_index_data(bool _offset = false)
init_index_data(int64_t _tid, bool _offset = false)
{
auto& itr = get_index_data(utility::get_thread_index());
auto& itr = get_index_data(_tid);
if(!itr)
{
threading::offset_this_id(_offset);
@@ -76,20 +76,20 @@ const auto unknown_thread = std::optional<thread_info>{};
const std::optional<thread_info>&
thread_info::init(bool _offset)
{
auto& _instances = thread_info_data_t::instances();
auto _tid = utility::get_thread_index();
auto _init = [&] {
static thread_local bool _once = false;
auto& _instances = thread_info_data_t::instances();
auto _tid = utility::get_thread_index();
if(!_once && (_once = true))
{
threading::offset_this_id(_offset);
std::optional<thread_info>& _info = _instances.at(_tid);
_info = thread_info{};
_info->is_offset = threading::offset_this_id();
_info->index_data = init_index_data(_info->is_offset);
auto& _info = _instances.at(_tid);
_info = thread_info{};
_info->is_offset = threading::offset_this_id();
_info->index_data = init_index_data(_tid, _info->is_offset);
_info->lifetime.first = tim::get_clock_real_now<uint64_t, std::nano>();
if(_info->is_offset) set_thread_state(ThreadState::Disabled);
};
static thread_local std::once_flag _once{};
std::call_once(_once, _init);
}
return _instances.at(_tid);
}