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flutter / third_party / perfetto / 26ff929fa7ca499b604bd260b1ea36b298e687f7
commit26ff929fa7ca499b604bd260b1ea36b298e687f7[log] [tgz]
authorPrimiano Tucci <primiano@google.com>Tue Jan 30 00:37:01 2024 +0000
committerPrimiano Tucci <primiano@google.com>Tue Jan 30 00:38:38 2024 +0000
tree552f8f335efe0ba33a65bbf18dc93a56d6ae7027
parentd06bef7807a8b90de9bce77132e188f68459a714 [diff]
Optimize binary size of syscall tables

The syscall tables were implemented as an array of const char*
strings. Each of them required a relocation entry of 8 bytes each,
wasting both binary size and dirty memory at load time.
This CL stores the syscall table as a single string (per table)
separating each syscall with a \0, and an array of offsets into that
string.

On the standalone arm64 release build this saves
File size:
  -65KB (before:1,034,864 after:969,328)
ELF sections:
 .rela.dyn         before:0x022d58  after:0x016f38 = -48K
 .rodata           before:0x00e34f  after:0x00f36f = +4KB
 .data.rel.ro      before:0x015bf8  after:0x011c98 = -16KB

Bug: 321830256
Change-Id: I555588166b93053322448b962d52e2f4fdbff219
19 files changed
tree: 552f8f335efe0ba33a65bbf18dc93a56d6ae7027
  1. .github/
  2. bazel/
  3. build_overrides/
  4. buildtools/
  5. debian/
  6. docs/
  7. examples/
  8. gn/
  9. include/
  10. infra/
  11. protos/
  12. python/
  13. src/
  14. test/
  15. third_party/
  16. tools/
  17. ui/
  18. .clang-format
  19. .clang-tidy
  20. .git-blame-ignore-revs
  21. .gitattributes
  22. .gitignore
  23. .gn
  24. .style.yapf
  25. Android.bp
  26. Android.bp.extras
  27. BUILD
  28. BUILD.extras
  29. BUILD.gn
  30. CHANGELOG
  31. codereview.settings
  32. DIR_METADATA
  33. heapprofd.rc
  34. LICENSE
  35. meson.build
  36. METADATA
  37. MODULE_LICENSE_APACHE2
  38. OWNERS
  39. perfetto.rc
  40. PerfettoIntegrationTests.xml
  41. PRESUBMIT.py
  42. README.chromium
  43. README.md
  44. TEST_MAPPING
  45. traced_perf.rc
  46. WATCHLISTS
  47. WORKSPACE
README.md

Perfetto - System profiling, app tracing and trace analysis

Perfetto is a production-grade open-source stack for performance instrumentation and trace analysis. It offers services and libraries and for recording system-level and app-level traces, native + java heap profiling, a library for analyzing traces using SQL and a web-based UI to visualize and explore multi-GB traces.

See https://perfetto.dev/docs or the /docs/ directory for documentation.