Profiling: autostart -log_perfstubs if TAU_EXEC_PATH is in the environment

Merge branch 'jolivet/cleanup' into 'main'

Autumn cleanup

See merge request petsc/petsc!6915

Remove unnecessary spaces

Merge branch 'tisaac/feature-log-nvtx' into 'main'

Profiling: Create PETSCLOGHANDLERNVTX (`-log_view` no longer required for Nsight ranges)

See merge request petsc/petsc!6884

Profiling: Create PETSCLOGHANDLERNVTX

Merge branch 'jacobf/2023-08-09/linter-detect-static-function-candidates' into 'main'

Linter detect possible static functions

See merge request petsc/petsc!6796

Add static to internal functions

Merge branch 'tisaac/feature-malloc-dump-finalize' into 'main'

Sys: Introduce -on_error_malloc_dump and PETSC_ERR_MEM_LEAK

See merge request petsc/petsc!6745

Sys: Introduce -on_error_malloc_dump and PETSC_ERR_MEM_LEAK

To avoid a malloc dump that swamps the error output of another error,
this makes calling `PetscMallocDump()` in the error handlers opt-in,

Sys: Introduce -on_error_malloc_dump and PETSC_ERR_MEM_LEAK

To avoid a malloc dump that swamps the error output of another error,
this makes calling `PetscMallocDump()` in the error handlers opt-in,
with a different flag (`-on_error_malloc_dump`) from the flag for
calling `PetscMallocDump()` in `PetscFinalize()` (just `-malloc_dump`).

The addition of `PETSC_ERR_MEM_LEAK` allows for better error messages:
`~PoolAllocator()` can detect a memory leak even if the system
is not out of memory, so the error message will not say that for
`PETSC_ERR_MEM_LEAK`.

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Merge branch 'tisaac/feature-log-handler' into 'main'

Deglobalize logging into PetscLogHandler and PetscLogState

See merge request petsc/petsc!6709

Profiling: Use PetscOptionsGetViewers() in -log_view

Profiling: Switch logging over to the new PetscLogHandler infrastructure

- Move data structures only needed by the default logger now (Action,
Object) to logdefault.c

- Create petsclogdeprecated.

Profiling: Switch logging over to the new PetscLogHandler infrastructure

- Move data structures only needed by the default logger now (Action,
Object) to logdefault.c

- Create petsclogdeprecated.h and petsc/private/logimpldeprecated.h
for publicly visible symbols that are now deprecated. Yes,
lots of symbols in petsc/private/logimpl.h were not only visible
but had docstrings.

- The macros PetscLogEventBegin(), PetscLogEventEnd(),
PetscLogEventSync(), PetscLogObjectCreate(), and
PetscLogObjectDestroy() now looks through the log handlers
in PetscLogHandlers, sees if they have they appropriate
callbacks (Exposed in PetscLogHandlerHot), and calls them.
Up to 4 log handlers can run simultaneously.

- All queries about the registered things now go through
petsc_log_state.

- Output functions dispatch to the appropriate PetscLogHandler

- There is no need for xmllogevent.c, xmlviewer.c, eventlog.c,
classlog.c, and stagelog.c anymore. Some orphaned functions
(PetscLogSetThreshold(), PetscLogEventSetDof(),
PetscLogEventSetError(), PetscASend(), PetscARecv(), PetscAReduce())

- PetscFEOpenCLLogResidual() did some intrusive things related
to the old logging infrastruture: the private header
for the default log handler is now imported into feopencl.c
so that it can do equivalent things with the new infrastructure.

- PetscLogPauseCurrentEvent_Internal() is replaced with
PetscLogEventsPause()

Deprecated symbols include:

- All functions related to PetscStageLog and the resizable array structs
that it contained.

- The legacy EventBegin()/EventEnd() callbacks.

- PetscLogAllBegin(), which actually reported less information than
PetscLogDefaultBegin() because it was not kept up-to-date with
regards to GPU profiling.

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Profiling: Improve !defined(PETSC_USE_LOG) #defines

- If we cast macro arguments to void, we can avoid unused errors that have
forced lots of conditionally included code like this:

```c
#if def

Profiling: Improve !defined(PETSC_USE_LOG) #defines

- If we cast macro arguments to void, we can avoid unused errors that have
forced lots of conditionally included code like this:

```c
#if defined(PETSC_USE_LOG)
PetscLogEvent event;
#endif
```

- Having global counters like petsc_TotalFlops externed event
if !PetscDefined(USE_LOG) helps to remove a lot of needless
`#ifdef`s around code that can instead be placed in
`if (PetscDefined(USE_LOG)) {}` blocks.

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Merge branch 'jacobf/2023-06-30/enable-doc-lint' into 'main'

Enable docs linting

See merge request petsc/petsc!6667

Manual linter fixes: sys

Lint apply: sys

Merge branch 'jacobf/2023-07-10/cleanup-unused-options' into 'main'

Cleanup Unused Options

See merge request petsc/petsc!6689

Remove -log_summary

Remove -malloc_info

Remove -malloc [no] option

Merge branch 'barry/2023-06-09/fix-petscoptionsgetbool' into 'main'

Fix PetscOptionsGetBool() so it sets ivalue to PETSC_FALSE if the option is not given

See merge request petsc/petsc!6575

Fix PetscOptionsGetBool() so it sets ivalue to PETSC_FALSE if the option is not given

Merge branch 'jose/fix-imbalanced' into 'main'

Fix imbalanced parenthesis

See merge request petsc/petsc!6547

Fix imbalanced parenthesis

Merge branch 'barry/2023-05-26/allow-mpiaij-32bit-large-nz' into 'main'

Allow viewing and loading MATMPIAIJ matrices with a total number of nonzeros greater than PETSC_INT_MAX

See merge request pet

Merge branch 'barry/2023-05-26/allow-mpiaij-32bit-large-nz' into 'main'

Allow viewing and loading MATMPIAIJ matrices with a total number of nonzeros greater than PETSC_INT_MAX

See merge request petsc/petsc!6514

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