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fuchsia / third_party / android / platform / system / core / 6499e5ec4abe535d97931affc3b1a937fe2f6185
commit6499e5ec4abe535d97931affc3b1a937fe2f6185[log] [tgz]
authorSuren Baghdasaryan <surenb@google.com>Fri Apr 13 12:43:41 2018 -0700
committerSuren Baghdasaryan <surenb@google.com>Sun Apr 15 07:54:03 2018 +0000
tree38f4383b3d6a85117ab06e53091c479969ae30c7
parent66b685ef3fe4f66d82fac4005286d53b94f831f2 [diff]
lmkd: Optimize frequent file reads by keeping file descriptors open

To check system memory state lmkd is using same files every time vmpressure
event is received. Instead of opening and closing these files every time
we store the file descriptor and use pread() to reread the file from
the beginning.


Bug: 77299493
Bug: 75322373
Merged-In: I8e27f8b9526e82e3cc313a02fce215c2e4dd3d29
Change-Id: I8e27f8b9526e82e3cc313a02fce215c2e4dd3d29
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
1 file changed
tree: 38f4383b3d6a85117ab06e53091c479969ae30c7
  1. adb/
  2. adf/
  3. base/
  4. bootstat/
  5. cpio/
  6. debuggerd/
  7. demangle/
  8. diagnose_usb/
  9. fastboot/
  10. fs_mgr/
  11. gatekeeperd/
  12. healthd/
  13. include/
  14. init/
  15. libappfuse/
  16. libasyncio/
  17. libbacktrace/
  18. libbinderwrapper/
  19. libcrypto_utils/
  20. libcutils/
  21. libdiskconfig/
  22. libgrallocusage/
  23. libion/
  24. libkeyutils/
  25. liblog/
  26. libmemtrack/
  27. libmemunreachable/
  28. libmetricslogger/
  29. libnativebridge/
  30. libnativeloader/
  31. libnetutils/
  32. libpackagelistparser/
  33. libpixelflinger/
  34. libprocessgroup/
  35. libprocinfo/
  36. libqtaguid/
  37. libsparse/
  38. libsuspend/
  39. libsync/
  40. libsystem/
  41. libsysutils/
  42. libunwindstack/
  43. libusbhost/
  44. libutils/
  45. libvndksupport/
  46. libziparchive/
  47. lmkd/
  48. logcat/
  49. logd/
  50. logwrapper/
  51. mkbootimg/
  52. property_service/
  53. qemu_pipe/
  54. reboot/
  55. rootdir/
  56. run-as/
  57. sdcard/
  58. shell_and_utilities/
  59. storaged/
  60. toolbox/
  61. trusty/
  62. usbd/
  63. .clang-format ⇨ .clang-format-4
  64. .clang-format-2
  65. .clang-format-4
  66. .gitignore
  67. Android.bp
  68. Android.mk
  69. CleanSpec.mk
  70. MODULE_LICENSE_APACHE2
  71. NOTICE
  72. OWNERS
  73. platform_tools_tool_version.mk
  74. PREUPLOAD.cfg