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Re: [PATCH 3/9] trace2: defer free of TLS CTX until program exit.

From
Junio C Hamano <gitster@pobox.com>
Date
Dec 21, 2021, 07:30 UTC
Message-ID
<xmqqlf0equs3.fsf@gitster.g>
In-Reply-To
<e0c41e1fc7895ba67d7536115cd8c1598439ded1.1640012469.git.gitgitgadget@gmail.com>
"Jeff Hostetler via GitGitGadget" <gitgitgadget@gmail.com> writes:
Show 9 quoted lines
> From: Jeff Hostetler <jeffhost@microsoft.com>
>
> Defer freeing of the Trace2 thread CTX data until program exit.
> Create a global list of thread CTX data to own the storage.
>
> TLS CTX data is allocated when a thread is created and associated
> with that thread.  Previously, that storage was deleted when the
> thread exited.  Now we simply disassociate the CTX data from the
> thread when it exits and let the global CTX list manage the cleanup.

By the way, TLS CTX sounds embarrassingly close and confusing to some function that we may find in say openssl or some crypto stuff X-<. Was there a strong reason to avoid calling these functions and types something like tr2_thread_ctx instead of tr2tls_thread_ctx?

Previous: Jeff Hostetler via GitGitGadgetNext: Jeff Hostetler
Message 13 of 55 in “Trace2 stopwatch timers and global counters”
  1. 0/9 Trace2 stopwatch timers and global countersJeff Hostetler via GitGitGadget, Dec 20, 2021
  2. 1/9 trace2: use size_t alloc,nr_open_regions in tr2tls_thread_ctxJeff Hostetler via GitGitGadget, Dec 20, 2021
  3. 2/9 trace2: convert tr2tls_thread_ctx.thread_name from strbuf to char*Jeff Hostetler via GitGitGadget, Dec 20, 2021
  4. Ævar Arnfjörð BjarmasonDec 20, 2021
  5. Jeff HostetlerDec 20, 2021
  6. Ævar Arnfjörð BjarmasonDec 20, 2021
  7. Jeff HostetlerDec 22, 2021
  8. Junio C HamanoDec 21, 2021
  9. Junio C HamanoDec 21, 2021
  10. Jeff HostetlerDec 22, 2021
  11. Junio C HamanoDec 22, 2021
  12. 3/9 trace2: defer free of TLS CTX until program exit.Jeff Hostetler via GitGitGadget, Dec 20, 2021
  13. Junio C HamanoDec 21, 2021
  14. Jeff HostetlerDec 22, 2021
  15. Junio C HamanoDec 22, 2021
  16. Jeff HostetlerDec 22, 2021
  17. Johannes SixtDec 23, 2021
  18. Junio C HamanoDec 23, 2021
  19. Jeff HostetlerDec 27, 2021
  20. 4/9 trace2: add thread-name override to event targetJeff Hostetler via GitGitGadget, Dec 20, 2021
  21. 5/9 trace2: add thread-name override to perf targetJeff Hostetler via GitGitGadget, Dec 20, 2021
  22. 6/9 trace2: add timer events to perf and event target formatsJeff Hostetler via GitGitGadget, Dec 20, 2021
  23. Ævar Arnfjörð BjarmasonDec 20, 2021
  24. Jeff HostetlerDec 20, 2021
  25. Derrick StoleeDec 21, 2021
  26. 8/9 trace2: add counter events to perf and event target formatsJeff Hostetler via GitGitGadget, Dec 20, 2021
  27. Ævar Arnfjörð BjarmasonDec 20, 2021
  28. Jeff HostetlerDec 22, 2021
  29. 7/9 trace2: add stopwatch timersJeff Hostetler via GitGitGadget, Dec 20, 2021
  30. Ævar Arnfjörð BjarmasonDec 20, 2021
  31. Jeff HostetlerDec 22, 2021
  32. Derrick StoleeDec 21, 2021
  33. Jeff HostetlerDec 22, 2021
  34. 9/9 trace2: add global countersJeff Hostetler via GitGitGadget, Dec 20, 2021
  35. Ævar Arnfjörð BjarmasonDec 20, 2021
  36. Jeff HostetlerDec 22, 2021
  37. Derrick StoleeDec 21, 2021
  38. Matheus TavaresDec 21, 2021
  39. 0/9 Trace2 stopwatch timers and global countersJeff Hostetler via GitGitGadget, Dec 28, 2021
  40. 1/9 trace2: use size_t alloc,nr_open_regions in tr2tls_thread_ctxJeff Hostetler via GitGitGadget, Dec 28, 2021
  41. Ævar Arnfjörð BjarmasonDec 29, 2021
  42. 2/9 trace2: convert tr2tls_thread_ctx.thread_name from strbuf to flex arrayJeff Hostetler via GitGitGadget, Dec 28, 2021
  43. Ævar Arnfjörð BjarmasonDec 29, 2021
  44. Jeff HostetlerDec 29, 2021
  45. 3/9 trace2: defer free of thread local storage until program exit.Jeff Hostetler via GitGitGadget, Dec 28, 2021
  46. 4/9 trace2: add thread-name override to event targetJeff Hostetler via GitGitGadget, Dec 28, 2021
  47. 7/9 trace2: add stopwatch timersJeff Hostetler via GitGitGadget, Dec 28, 2021
  48. 5/9 trace2: add thread-name override to perf targetJeff Hostetler via GitGitGadget, Dec 28, 2021
  49. Ævar Arnfjörð BjarmasonDec 29, 2021
  50. Jeff HostetlerDec 29, 2021
  51. 6/9 trace2: add timer events to perf and event target formatsJeff Hostetler via GitGitGadget, Dec 28, 2021
  52. 8/9 trace2: add counter events to perf and event target formatsJeff Hostetler via GitGitGadget, Dec 28, 2021
  53. 9/9 trace2: add global countersJeff Hostetler via GitGitGadget, Dec 28, 2021
  54. Ævar Arnfjörð BjarmasonDec 29, 2021
  55. Jeff HostetlerDec 30, 2021

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