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review.blissroms.org / platform_packages_modules_DnsResolver / 42a735327fcf9773e25dca0e4ab86de02cb7eb00
commit42a735327fcf9773e25dca0e4ab86de02cb7eb00[log] [tgz]
authorMike Yu <yumike@google.com>Tue Jan 04 20:13:58 2022 +0800
committerMike Yu <yumike@google.com>Thu Jan 06 13:27:47 2022 +0000
tree593b86753ac2923ddd9f1ff9bd81a2612af8f12d
parent9b748ee32cc6118c5c24b49ff938a99554d8f599 [diff]
DoH: Change to use runtime with current thread scheduler in doh_query()

Perfetto shows that using runtime with multi-thread scheduler
in doh_query() results in 8 threads created and terminated every time
doh_query() is called, which takes approximately 2 ms. So,
change the code to use a runtime with current thread scheduler.
This approximately reduces the time overhead of doh_query()
from 2 ms to 0.5 ms.

Bug: 212364676
Test: cd packages/modules/DnsResolver && atest
Change-Id: I7652e6982b1485ee435b6399798b19badd264500
1 file changed
tree: 593b86753ac2923ddd9f1ff9bd81a2612af8f12d
  1. aidl_api/
  2. apex/
  3. binder/
  4. doh/
  5. include/
  6. tests/
  7. .clang-format ⇨ ../../../build/soong/scripts/system-clang-format
  8. rustfmt.toml ⇨ ../../../build/soong/scripts/rustfmt.toml
  9. .editorconfig
  10. Android.bp
  11. cbindgen.toml
  12. Dns64Configuration.cpp
  13. Dns64Configuration.h
  14. DnsProxyListener.cpp
  15. DnsProxyListener.h
  16. DnsQueryLog.cpp
  17. DnsQueryLog.h
  18. DnsQueryLogTest.cpp
  19. DnsResolver.cpp
  20. DnsResolver.h
  21. DnsResolverService.cpp
  22. DnsResolverService.h
  23. DnsStats.cpp
  24. DnsStats.h
  25. DnsStatsTest.cpp
  26. DnsTlsDispatcher.cpp
  27. DnsTlsDispatcher.h
  28. DnsTlsQueryMap.cpp
  29. DnsTlsQueryMap.h
  30. DnsTlsServer.cpp
  31. DnsTlsServer.h
  32. DnsTlsSessionCache.cpp
  33. DnsTlsSessionCache.h
  34. DnsTlsSocket.cpp
  35. DnsTlsSocket.h
  36. DnsTlsSocketFactory.h
  37. DnsTlsTransport.cpp
  38. DnsTlsTransport.h
  39. doh.h
  40. Experiments.cpp
  41. Experiments.h
  42. ExperimentsTest.cpp
  43. getaddrinfo.cpp
  44. getaddrinfo.h
  45. gethnamaddr.cpp
  46. gethnamaddr.h
  47. hostent.h
  48. IDnsTlsSocket.h
  49. IDnsTlsSocketFactory.h
  50. IDnsTlsSocketObserver.h
  51. IPrivateDnsServer.h
  52. libnetd_resolv.map.txt
  53. LockedQueue.h
  54. NOTICE
  55. OperationLimiter.h
  56. OperationLimiterTest.cpp
  57. OWNERS
  58. params.h
  59. PREUPLOAD.cfg
  60. PrivateDnsCommon.h
  61. PrivateDnsConfiguration.cpp
  62. PrivateDnsConfiguration.h
  63. PrivateDnsConfigurationTest.cpp
  64. PrivateDnsValidationObserver.h
  65. README-DoT.md
  66. README.md
  67. res_cache.cpp
  68. res_comp.cpp
  69. res_comp.h
  70. res_debug.cpp
  71. res_debug.h
  72. res_mkquery.cpp
  73. res_query.cpp
  74. res_send.cpp
  75. res_send.h
  76. res_stats.cpp
  77. resolv_cache.h
  78. resolv_private.h
  79. resolv_rust_test_config_template.xml
  80. resolv_test_config_template.xml
  81. ResolverController.cpp
  82. ResolverController.h
  83. ResolverEventReporter.cpp
  84. ResolverEventReporter.h
  85. ResolverStats.h
  86. sethostent.cpp
  87. stats.h
  88. stats.proto
  89. TEST_MAPPING
  90. util.cpp
  91. util.h
README.md

Logging

This code uses LOG(X) for logging. Log levels are VERBOSE,DEBUG,INFO,WARNING and ERROR. The default setting is WARNING and logs relate to WARNING and ERROR will be shown. If you want to enable the DEBUG level logs, using following command. adb shell service call dnsresolver 10 i32 1 VERBOSE 0 DEBUG 1 INFO 2 WARNING 3 ERROR 4 Verbose resolver logs could contain PII -- do NOT enable in production builds.