User API + reorganized lib folders (#30)

* User API + reorganized lib folders

- omnitrace_user_start_trace
- omnitrace_user_stop_trace
- omnitrace_user_start_thread_trace
- omnitrace_user_stop_thread_trace
- omnitrace_user_push_region
- omnitrace_user_pop_region

* New OpenMP examples/tests

* Fix to KokkosP

* OMPT support

- fixed omnitrace instrumenting reporting
- common invoke improvements
- component::user_region

* exclude kmp_threadprivate_

* Separate omnitrace into multiple files

* PTL and timemory submodule updates

* Active guards + USE_OMPT guards in omnitrace-dl

* Tweak transpose default iterations

* omnitrace-precommit build target

* Omnitrace exe restructuring pt 2

- Never instrument functions with less than 4 instructions
- Never instrument ompt_start_tool or nanosleep
- module_function serializes heuristics
- removed hash stuff from omnitrace
- removed instr_procedures lambda
- WAITPID_DEBUG_MESSAGE

* set_state, "_hidden" fix, CI exceptions, backtrace fix

- set_state function
- fixed "_hidden" from appearing in print macros using __FUNCTION__
- OMNITRACE_CI_THROW
- more CI checks in library
- fixed backtrace init value sample issue being ignored

* Tweaks to OMPT tests

* cmake-formatting

* Removed debug output from backtrace processing

* Fix warnings and verbosity

* omnitrace-dl fix for libomp

* omnitrace-avail fixes

- remove second omnitrace_init_library call
- fix -r option not working

* Additional testing

- source/bin/tests
- tests for omnitrace-exe
- tests for omnitrace-avail

* cmake-format

* Reduce runtime of openmp-lu

* Update openmp-lu and tests timeout

* openmp-lu and CI tweaks

- decrease iterations
- OMP_NUM_THREADS=2
- install clang and libomp-dev in linux-ci
- fix data-files in linux-ci

examples/openmp/common/wtime.cpp

@@ -0,0 +1,55 @@
+/*
+MIT License
+
+Copyright (c) 2021 Parallel Applications Modelling Group - GMAP
+    GMAP website: https://gmap.pucrs.br
+
+    Pontifical Catholic University of Rio Grande do Sul (PUCRS)
+    Av. Ipiranga, 6681, Porto Alegre - Brazil, 90619-900
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+------------------------------------------------------------------------------
+
+The original NPB 3.4.1 version was written in Fortran and belongs to:
+    http://www.nas.nasa.gov/Software/NPB/
+
+------------------------------------------------------------------------------
+
+The serial C++ version is a translation of the original NPB 3.4.1
+Serial C++ version: https://github.com/GMAP/NPB-CPP/tree/master/NPB-SER
+
+Authors of the C++ code:
+    Dalvan Griebler <dalvangriebler@gmail.com>
+    Gabriell Araujo <hexenoften@gmail.com>
+    Júnior Löff <loffjh@gmail.com>
+*/
+
+#include "wtime.hpp"
+#include <sys/time.h>
+
+void
+wtime(double* t)
+{
+    static int     sec = -1;
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    if(sec < 0) sec = tv.tv_sec;
+    *t = (tv.tv_sec - sec) + 1.0e-6 * tv.tv_usec;
+}