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In several cases the flags entries in ompt_frame_t are not initialized.
According to @jdelsign the address provided as reenter and exit address
is the canonical frame address (cfa) rather than a "framepointer". This
patch makes sure that the flags entry is always initialized and changes
the value from ompt_frame_framepointer to ompt_frame_cfa.
The assertion in the tests makes sure that the flags are always set,
when a tool (callback.h in this case) looks at the value.
Fixes #89058
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The `openmp` runtime failed to build on LoP with LLVM18 on LoP due to
the addition of `-Wvla-cxx-extension` as
```
llvm-project/openmp/runtime/src/ompt-general.cpp:711:15: error: variable length arrays in C++ are a Clang extension [-Werror,-Wvla-cxx-extension]
711 | int tmp_ids[ids_size];
| ^~~~~~~~
llvm-project/openmp/runtime/src/ompt-general.cpp:711:15: note: function parameter 'ids_size' with unknown value cannot be used in a constant expression
llvm-project/openmp/runtime/src/ompt-general.cpp:704:65: note: declared here
704 | OMPT_API_ROUTINE int ompt_get_place_proc_ids(int place_num, int ids_size,
| ^
1 error generated.
```
This patch is to ignore the checking against this usage.
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Removes a few uninitialized variables, possible resource leaks, and
redundant code.
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callback. (#96371)
Even if the device init callback is not registered, a tool should be
allowed to register other callbacks.
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target submit, and target regions.
This patch adds support for invoking target callbacks but does not yet
invoke them. A new structure OmptInterface has been added that tracks
thread local states including correlation ids. This structure defines
methods that will be called from the device independent target library
with information related to a target entry point for which a callback
is invoked. These methods in turn use the callback functions maintained
by OmptDeviceCallbacksTy to invoke the tool supplied callbacks.
Depends on D124652
Patch from John Mellor-Crummey <johnmc@rice.edu>
With contributions from:
Dhruva Chakrabarti <Dhruva.Chakrabarti@amd.com>
Differential Revision: https://reviews.llvm.org/D127365
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Added support in the generic plugin to invoke registered callbacks.
Depends on D124070
Patch from John Mellor-Crummey <johnmc@rice.edu>
(With contributions from Dhruva Chakrabarti <Dhruva.Chakrabarti@amd.com>)
Differential Revision: https://reviews.llvm.org/D124652
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callbacks between libraries.
This is part of a set of patches implementing OMPT target callback support and has been split out of the originally submitted https://reviews.llvm.org/D113728. The overall design can be found in https://rice.app.box.com/s/pf3gix2hs4d4o1aatwir1set05xmjljc
The purpose of this patch is to provide a way to register tool-provided callbacks into libomp when libomptarget is loaded.
Introduced a cmake variable LIBOMPTARGET_OMPT_SUPPORT that can be used to control OMPT target support. It follows host OMPT support, controlled by LIBOMP_HAVE_OMPT_SUPPORT.
Added a connector that can be used to communicate between OMPT implementations in libomp and libomptarget or libomptarget and a plugin.
Added a global constructor in libomptarget that uses the connector to force registration of tool-provided callbacks in libomp. A pair of init and fini functions are provided to libomp as part of the connect process which will be used to register the tool-provided callbacks in libomptarget.
Patch from John Mellor-Crummey <johnmc@rice.edu>
(With contributions from Dhruva Chakrabarti <Dhruva.Chakrabarti@amd.com>)
Reviewed By: dreachem, jhuber6
Differential Revision: https://reviews.llvm.org/D123572
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OMPT callbacks between libraries."
This reverts commit f94c2679cb1db92ce4103487bf0247eca6e4d722.
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callbacks between libraries.
This is part of a set of patches implementing OMPT target callback support and has been split out of the originally submitted https://reviews.llvm.org/D113728. The overall design can be found in https://rice.app.box.com/s/pf3gix2hs4d4o1aatwir1set05xmjljc
The purpose of this patch is to provide a way to register tool-provided callbacks into libomp when libomptarget is loaded.
Introduced a cmake variable LIBOMPTARGET_OMPT_SUPPORT that can be used to control OMPT target support. It follows host OMPT support, controlled by LIBOMP_HAVE_OMPT_SUPPORT.
Added a connector that can be used to communicate between OMPT implementations in libomp and libomptarget or libomptarget and a plugin.
Added a global constructor in libomptarget that uses the connector to force registration of tool-provided callbacks in libomp. A pair of init and fini functions are provided to libomp as part of the connect process which will be used to register the tool-provided callbacks in libomptarget.
Depends on D123429
Patch from John Mellor-Crummey <johnmc@rice.edu>
(With contributions from Dhruva Chakrabarti <Dhruva.Chakrabarti@amd.com>)
Reviewed By: dreachem
Differential Revision: https://reviews.llvm.org/D123572
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This patch parameterizes the affinity initialization code to allow multiple
affinity settings. Almost all global affinity settings are consolidated
and put into a structure kmp_affinity_t. This is in anticipation of the
addition of hidden helper affinity which will have the same syntax and
semantics as KMP_AFFINITY only for the hidden helper team.
Differential Revision: https://reviews.llvm.org/D135109
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Reviewers: jlpeyton, jdoerfert
Reviewed-By: jlpeyton
Differential-Revision: https://reviews.llvm.org/D126408
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Introduce KMP_COMPILER_ICX macro to represent compilation with oneAPI
compiler.
Fixup flag detection and compiler ID detection in CMake. Older CMake's
detect IntelLLVM as Clang.
Fix compiler warnings.
Fixup many of the tests to have non-empty parallel regions as they are
elided by oneAPI compiler.
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Reverting initial OMPT for target implementation in favor of a
different implementation.
This reverts commit 3bc8ce5dd718beef0031bf4b070ac4026e6910d7.
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According to dlsym description, the value of symbol could be NULL,
and there is no error in this case. Thus dlerror will also return NULL in
this case. We need to check the value returned by dlerror before printing it.
Differential Revision: https://reviews.llvm.org/D112174
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When loading libomptarget, the init function in libomptarget/src/rtl.cpp
will search for the libomptarget_start_tool function using libdl.
libomptarget_start_tool will pass those OMPT callbacks related to target
constructs to libomptarget
Differential Revision: https://reviews.llvm.org/D99803
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This is the first of seven patches that implements OMPD, a debugging interface to support debugging of OpenMP programs.
It contains support code required in "openmp/runtime" for OMPD implementation.
Reviewed By: @hbae
Differential Revision: https://reviews.llvm.org/D100181
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Also fixed typo in the verbose message.
Differential Revision: https://reviews.llvm.org/D100414
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-- Added or moved checks to appropriate places.
-- Removed ineffective null check where the pointer is already being
dereferenced around the code.
-- Initialized variables that can be used without definitions.
-- Added call to dlclose/FreeLibrary in OMPT tool activation.
-- Added a new build compiler definition.
Differential Revision: https://reviews.llvm.org/D98584
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Same script as D95318. Test files are excluded.
Reviewed By: AndreyChurbanov
Differential Revision: https://reviews.llvm.org/D97088
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Also, return NULL from unsuccessful OMPT function lookup.
Differential Revision: https://reviews.llvm.org/D95277
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OpenMP 5.1 introduces the new env variable
OMP_TOOL_VERBOSE_INIT=(disabled|stdout|stderr|<filename>) to enable verbose
loading and initialization of OMPT tools.
This env variable helps to understand the cause when loading of a tool fails
(e.g., undefined symbols or dependency not in LD_LIBRARY_PATH)
Output of OMP_TOOL_VERBOSE_INIT is added for OMP_DISPLAY_ENV
Tests for this patch are integrated into the different existing tool loading
tests, making these tests more verbose. An Archer specific verbose test is
integrated into an existing Archer test.
Patch prepared by: Isabel Thärigen
Differential Revision: https://reviews.llvm.org/D91464
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The tool provides TSAN annotations for OpenMP synchronization. The tool
is activated if no other OMPT tool is loaded.
The tool detects whether the application was built with TSan and rejects
activation according to the OMPT protocol if there is no TSan-rt.
Differential Revision: https://reviews.llvm.org/D45890
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The implementation status can only be one of
ompt_event_UNIMPLEMENTED = ompt_set_never = 1
ompt_event_MAY_ALWAYS = ompt_set_always = 5
In both cases, the condition was already true, so just remove
the check.
Differential Revision: https://reviews.llvm.org/D65869
llvm-svn: 369001
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This change adds implementation to ompt_finalize_tool() and
ompt_get_task_memory().
Patch by Hansang Bae
Differential Revision: https://reviews.llvm.org/D61657
llvm-svn: 361309
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OpenMP 5.0 says that the callback for the events initial-task-begin and
initial-task-end has to be ompt_callback_implicit_task.
Patch by Tim Cramer
Differential Revision: https://reviews.llvm.org/D58776
llvm-svn: 361157
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Redo after revert by hans. The wrong include in one test is fixed.
Make sure that OMPT is enabled in runtime entry points that access internals
of the runtime. Else, return an appropiate value indicating an error or that
the data is not available.
Patch provided by @sconvent
Reviewers: jlpeyton, omalyshe, hbae, Hahnfeld, joachim.protze
Reviewed By: joachim.protze
Tags: #openmp, #ompt
Differential Revision: https://reviews.llvm.org/D47717
llvm-svn: 352611
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to reflect the new license. These used slightly different spellings that
defeated my regular expressions.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351648
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internals of the runtime"
and also the follow-up r351315.
The new test is failing on the buildbots.
> Make sure that OMPT is enabled in runtime entry points that access internals
> of the runtime. Else, return an appropiate value indicating an error or that
> the data is not available.
>
> Patch provided by @sconvent
>
> Reviewers: jlpeyton, omalyshe, hbae, Hahnfeld, joachim.protze
>
> Reviewed By: joachim.protze
>
> Tags: #openmp, #ompt
>
> Differential Revision: https://reviews.llvm.org/D47717
llvm-svn: 351431
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llvm-svn: 351315
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Make sure that OMPT is enabled in runtime entry points that access internals
of the runtime. Else, return an appropiate value indicating an error or that
the data is not available.
Patch provided by @sconvent
Reviewers: jlpeyton, omalyshe, hbae, Hahnfeld, joachim.protze
Reviewed By: joachim.protze
Tags: #openmp, #ompt
Differential Revision: https://reviews.llvm.org/D47717
llvm-svn: 351311
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The omp-tools.h file is generated from the OpenMP spec to ensure that the interface
is implemented as specified.
The other changes are necessary to update the interface implementation to the
final version as published in 5.0.
The omp-tools.h header was previously called ompt.h, currently a copy under this name
is installed for legacy tools.
Patch partially perpared by @sconvent
Reviewers: AndreyChurbanov, hbae, Hahnfeld
Reviewed By: hbae
Tags: #openmp, #ompt
Differential Revision: https://reviews.llvm.org/D55579
llvm-svn: 351197
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This patch updates the implementation of the ompt_frame_t, ompt_wait_id_t
and ompt_state_t. The final version of the OpenMP 5.0 spec added the "t"
for these types.
Furthermore the structure for ompt_frame_t changed and allows to specify
that the reenter frame belongs to the runtime.
Patch partially prepared by Simon Convent
Reviewers: hbae
llvm-svn: 349458
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This change includes miscellaneous improvements as follows:
1) Added ompt_get_proc_id() implementation for Windows
2) Added parser and print tool for omp-tool-var, just in case it needs
to be printed (OMP_DISPLAY_ENV)
3) omp_control_tool is exported on Windows
Patch by Hansang Bae
Differential Revision: https://reviews.llvm.org/D50538
llvm-svn: 343137
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Some types and callback signatures have changed from TR6 to TR7.
Major changes (only adding signatures and stubs):
(-remove idle callback) done by D48362
-add reduction and dispatch callback
-add get_task_memory and finalize_tool runtime entry points
-ompt_invoker_t becomes ompt_parallel_flag_t
-more types of sync_regions
Patch provided by Simon Convent
Reviewers: hbae, protze.joachim
Differential Revision: https://reviews.llvm.org/D50774
llvm-svn: 341834
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This patch cleans up unused functions, variables, sign compare issues, and
addresses some -Warning flags which are now enabled including -Wcast-qual.
Not all the warning flags in LibompHandleFlags.cmake are enabled, but some
are with this patch.
Some __kmp_gtid_from_* macros in kmp.h are switched to static inline functions
which allows us to remove the awkward definition of KMP_DEBUG_ASSERT() and
KMP_ASSERT() macros which used the comma operator. This had to be done for the
innumerable -Wunused-value warnings related to KMP_DEBUG_ASSERT()
Differential Revision: https://reviews.llvm.org/D49105
llvm-svn: 339393
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Rename ompt_wait_id to omp_wait_id, as defined in the spec.
Differential Revision: https://reviews.llvm.org/D46530
llvm-svn: 333368
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Rename ompt_frame_t to omp_frame_t, as defined in the spec.
Differential Revision: https://reviews.llvm.org/D43568
llvm-svn: 333367
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llvm-svn: 329928
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Applying clang-format to the /runtime/src/ folder
Differential Revision: https://reviews.llvm.org/D42169
llvm-svn: 325424
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Only use ompt_ functions when testing OMPT in api_calls testcase.
Add size parameter to print_list.
Fix small bug in implementation of ompt_get_partition_place_nums(): return correct length.
Differential Revision: https://reviews.llvm.org/D42162
llvm-svn: 325422
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If tool initialization returns 0, OMPT should not be active. The current
implementation provided some callback invocations in this case.
Differential Revision: https://reviews.llvm.org/D42709
llvm-svn: 324320
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The defintion is not part of the spec and thus should not have the prefix
"ompt_" but rather a prefix that indicates that this is implementation
specific.
Differential Revision: https://reviews.llvm.org/D41166
llvm-svn: 322621
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threads
When the current thread is not an (initialized) OpenMP thread, the runtime
entry points return values that correspond to "not available" or similar
Differential Revision: https://reviews.llvm.org/D41167
llvm-svn: 322620
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This function is defined in OpenMP-TR6 section 4.1.5.1.6
The functions was not implemented yet.
Since ompt-functions can only be called after the runtime was initialized and
has loaded a tool, it can assume the runtime to be initialized. In contrast
to omp_get_num_procs which needs to check whether the runtime is initialized.
Differential Revision: https://reviews.llvm.org/D40949
llvm-svn: 321269
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We use the bitmap ompt_enabled thoughout the runtime, to avoid loading the
vector of callback functions when testing if specific code should be executed.
Before invoking an event callback function, the pointer is tested for NULL.
This revision resets the corresponding bit in ompt_enabled to 0 if
NULL is passed in set_callback.
Differential Revision: https://reviews.llvm.org/D41171
llvm-svn: 321264
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Traditionally, the library had a weak symbol for ompt_start_tool()
that served as fallback and disabled OMPT if called. Tools could
provide their own version and replace the default implementation
to register callbacks and lookup functions. This mechanism has
worked reasonably well on Linux systems where this interface was
initially developed.
On Darwin / Mac OS X the situation is a bit more complicated and
the weak symbol doesn't work out-of-the-box. In my tests, the
library with the tool needed to link against the OpenMP runtime
to make the process work. This would effectively mean that a tool
needed to choose a runtime library whereas one design goal of the
interface was to allow tools that are agnostic of the runtime.
The solution is to use dlsym() with the argument RTLD_DEFAULT so
that static implementations of ompt_start_tool() are found in the
main executable. This works because the linker on Mac OS X includes
all symbols of an executable in the global symbol table by default.
To use the same code path on Linux, the application would need to
be built with -Wl,--export-dynamic. To avoid this restriction, we
continue to use weak symbols on Linux systems as before.
Finally this patch extends the existing test to cover all possible
ways of initializing the tool as described by the standard. It
also fixes ompt_finalize() to not call omp_get_thread_num() when
the library is shut down which resulted in hangs on Darwin.
The changes have been tested on Linux to make sure that it passes
the current tests as well as the newly extended one.
Differential Revision: https://reviews.llvm.org/D39801
llvm-svn: 317980
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Allocated memory is typically not 'const' if it needs to be freed.
This patch removes around 50 wrong const attributes, modifies the
corresponding functions and finally gets rid of some const_casts.
These have especially been strange for __kmp_str_fname_free() that
added a 'const' to call __kmp_str_free() which removed it again.
Two minor cleanups that I performed in this process:
* __kmp_tool_libraries now lives in kmp_settings.cpp as it is
used nowhere else.
* __kmp_msg_empty was removed as it was never used and Clang
now complained that it was assigned a string literal that
is 'const char *'.
Differential Revision: https://reviews.llvm.org/D39755
llvm-svn: 317797
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1) Get rid of xaliasify, xexpand and xversionify for KMP_EXPAND_NAME and
KMP_VERSION_SYMBOL. KMP_VERSION_SYMBOL is a combination of xaliasify and
xversionify.
2) Put all attribute and __declspec definitions in kmp_os.h
Differential Revision: https://reviews.llvm.org/D39516
llvm-svn: 317636
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llvm-svn: 317480
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