[Tarantool-patches] [PATCH luajit 0/8][v3] Fix profilers issues

[Sergey Bronnikov via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

The patch series fixes a number of issues related to profilers:

- Make an error messages more specific and descriptive.
- Introduces default profiling mode in sysprof and default output
  file in memprof.
- Added fixes of descriptions in sysprof testcases.
- Set default path to memprof output file.
- Add an specific error message for disabled profilers.

Branch: https://github.com/tarantool/luajit/tree/ligurio/gh-xxxx-fix-sysprof-opts-processing

Changes v3:

- Added fixes according to comments by Sergey Kaplun.

Changes v2:

- The patch that fixes a problem with wrong error message on stop
  not running profiler has been moved to a separate patch series.
- Added patch that align test title with sysprof test filename.
- Added patch that set default path to memprof output file.
- Added patch that adds a workflow with disabled profilers.
- Added patch that changes a error message for disabled profilers.
- Added fixes according to comments by Sergey Kaplun.

Sergey Bronnikov (8):
  test: add descriptions to sysprof testcases
  test: align test title with test filename
  sysprof: fix typo in the comment
  sysprof: introduce specific errors and default mode
  test: introduce flag LUAJIT_DISABLE_MEMPROF
  ci: add workflow with disabled profilers
  misc: specific message for disabled profilers
  memprof: set default path to profiling output file

 .github/workflows/exotic-builds-testing.yml   |   6 +-
 src/lib_misc.c                                | 107 ++++++++++++------
 src/lj_errmsg.h                               |   6 +
 test/tarantool-tests/CMakeLists.txt           |   4 +
 .../gh-5994-memprof-human-readable.test.lua   |   1 +
 ...misclib-memprof-lapi-default-file.test.lua |  37 ++++++
 .../misclib-memprof-lapi-disabled.test.lua    |  22 ++++
 .../profilers/misclib-memprof-lapi.test.lua   |  17 +--
 .../misclib-sysprof-lapi-disabled.test.lua    |  29 +++++
 .../profilers/misclib-sysprof-lapi.test.lua   | 105 +++++++++++++----
 10 files changed, 273 insertions(+), 61 deletions(-)
 create mode 100644 test/tarantool-tests/profilers/misclib-memprof-lapi-default-file.test.lua
 create mode 100644 test/tarantool-tests/profilers/misclib-memprof-lapi-disabled.test.lua
 create mode 100644 test/tarantool-tests/profilers/misclib-sysprof-lapi-disabled.test.lua

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2.43.0