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Re: [PATCH v2 6/7] trace2: remove use of ALLOC_GROW()

From
Elijah Newren <newren@gmail.com>
Date
Aug 25, 2026, 22:14 UTC
Message-ID
<CABPp-BFsSPJutOKManq-55ri=ddBpWLfN16xSNVs9O7+c2z0cg@mail.gmail.com>
In-Reply-To
<120cf1967bde4e719a781c391b285c718553ad58.1787684181.git.gitgitgadget@gmail.com>

On Tue, Aug 25, 2026 at 11:57 AM Derrick Stolee via GitGitGadget <gitgitgadget@gmail.com> wrote:

Show 15 quoted lines
>
> From: Derrick Stolee <stolee@gmail.com>
>
> The ALLOC_GROW() helper can call die() on a failed memory allocation.
> We need to remove this from the trace2 API code to prevent a recursive
> die() handler.
>
> This helper is used to track the nested region stack. Use a new
> skipped_regions member to track how many times a region was entered
> without being added to the stack, and decrease that amount as we leave
> each region. This allows us to avoid a failure and instead stop
> deepening the stack, giving as much nesting behavior as possible without
> failing the entire process.
>
> Signed-off-by: Derrick Stolee <stolee@gmail.com>
Checking out this commit and running
   GIT_TRACE2_PERF=1 ./bin-wrappers/git status
dies with
   no open regions in thread 'main'
Seems to be fixed by 7/7, though.  Maybe a bad splitting?
Previous: Derrick Stolee via GitGitGadgetNext: Derrick Stolee via GitGitGadget
Message 28 of 43 in “trace2: tolerate failed timestamp formatting”
  1. trace2: tolerate failed timestamp formattingDerrick Stolee via GitGitGadget, Jul 15, 2026
  2. Taylor BlauJul 17, 2026
  3. Derrick StoleeJul 18, 2026
  4. Junio C HamanoJul 20, 2026
  5. Taylor BlauJul 20, 2026
  6. Junio C HamanoJul 29, 2026
  7. Derrick StoleeJul 31, 2026
  8. Junio C HamanoJul 31, 2026
  9. 0/7 trace2: stop allowing die()Derrick Stolee via GitGitGadget, Aug 25, 2026
  10. 1/7 banned-die: create header for banning of functionsDerrick Stolee via GitGitGadget, Aug 25, 2026
  11. Junio C HamanoAug 25, 2026
  12. Derrick StoleeAug 31, 2026
  13. Patrick SteinhardtAug 31, 2026
  14. Elijah NewrenAug 25, 2026
  15. Derrick StoleeAug 31, 2026
  16. Jeff KingAug 27, 2026
  17. Derrick StoleeAug 31, 2026
  18. 2/7 trace2: tolerate failed timestamp formattingDerrick Stolee via GitGitGadget, Aug 25, 2026
  19. 3/7 trace2: remove use of xstrdup()Derrick Stolee via GitGitGadget, Aug 25, 2026
  20. Elijah NewrenAug 25, 2026
  21. Derrick StoleeAug 31, 2026
  22. 4/7 trace2: remove use of ALLOC_ARRAY()Derrick Stolee via GitGitGadget, Aug 25, 2026
  23. 5/7 trace2: remove use of xstrfmt()Derrick Stolee via GitGitGadget, Aug 25, 2026
  24. Elijah NewrenAug 25, 2026
  25. Junio C HamanoAug 25, 2026
  26. Derrick StoleeAug 31, 2026
  27. 6/7 trace2: remove use of ALLOC_GROW()Derrick Stolee via GitGitGadget, Aug 25, 2026
  28. Elijah NewrenAug 25, 2026
  29. 7/7 trace2: remove use of xcalloc()Derrick Stolee via GitGitGadget, Aug 25, 2026
  30. Jeff KingAug 27, 2026
  31. Derrick StoleeAug 31, 2026
  32. Jeff KingSep 1, 2026
  33. Jeff KingSep 1, 2026
  34. Derrick StoleeSep 1, 2026
  35. 0/7 trace2: stop allowing die()Derrick Stolee via GitGitGadget, Aug 31, 2026
  36. 1/7 banned-die: create header for banning of functionsDerrick Stolee via GitGitGadget, Aug 31, 2026
  37. 2/7 trace2: tolerate failed timestamp formattingDerrick Stolee via GitGitGadget, Aug 31, 2026
  38. 3/7 trace2: remove use of xstrdup()Derrick Stolee via GitGitGadget, Aug 31, 2026
  39. 4/7 trace2: remove use of ALLOC_ARRAY()Derrick Stolee via GitGitGadget, Aug 31, 2026
  40. 5/7 trace2: remove use of xstrfmt()Derrick Stolee via GitGitGadget, Aug 31, 2026
  41. 6/7 trace2: remove use of ALLOC_GROW()Derrick Stolee via GitGitGadget, Aug 31, 2026
  42. 7/7 trace2: remove use of xcalloc()Derrick Stolee via GitGitGadget, Aug 31, 2026
  43. Derrick StoleeOct 6, 2026

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