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qemu / qemu / 3f42906c9ab2c777a895b48b87b8107167e4a275
commit3f42906c9ab2c777a895b48b87b8107167e4a275[log] [tgz]
authorIdan Horowitz <idan.horowitz@gmail.com>Fri Jan 14 02:43:58 2022 +0200
committerRichard Henderson <richard.henderson@linaro.org>Tue Jun 21 09:24:34 2022 -0700
treecec32653c9fb4186f83926f26fac3489fc815aca
parent18b8c47f8e66c1c45a0fb59cfd6ed4dfeb25c6f6 [diff]
qemu-timer: Skip empty timer lists before locking in qemu_clock_deadline_ns_all

This decreases qemu_clock_deadline_ns_all's share from 23.2% to 13% in a
profile of icount-enabled aarch64-softmmu.

Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220114004358.299534-2-idan.horowitz@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
1 file changed
tree: cec32653c9fb4186f83926f26fac3489fc815aca
  1. .github/
  2. .gitlab/
  3. .gitlab-ci.d/
  4. accel/
  5. audio/
  6. authz/
  7. backends/
  8. block/
  9. bsd-user/
  10. chardev/
  11. common-user/
  12. configs/
  13. contrib/
  14. crypto/
  15. disas/
  16. docs/
  17. dump/
  18. ebpf/
  19. fpu/
  20. fsdev/
  21. gdb-xml/
  22. hw/
  23. include/
  24. io/
  25. libdecnumber/
  26. linux-headers/
  27. linux-user/
  28. migration/
  29. monitor/
  30. nbd/
  31. net/
  32. pc-bios/
  33. plugins/
  34. po/
  35. python/
  36. qapi/
  37. qga/
  38. qobject/
  39. qom/
  40. replay/
  41. roms/
  42. scripts/
  43. scsi/
  44. semihosting/
  45. softmmu/
  46. storage-daemon/
  47. stubs/
  48. subprojects/
  49. target/
  50. tcg/
  51. tests/
  52. tools/
  53. trace/
  54. ui/
  55. util/
  56. dtc
  57. meson
  58. slirp
  59. .cirrus.yml
  60. .dir-locals.el
  61. .editorconfig
  62. .exrc
  63. .gdbinit
  64. .gitattributes
  65. .gitignore
  66. .gitlab-ci.yml
  67. .gitmodules
  68. .gitpublish
  69. .mailmap
  70. .patchew.yml
  71. .readthedocs.yml
  72. .travis.yml
  73. block.c
  74. blockdev-nbd.c
  75. blockdev.c
  76. blockjob.c
  77. configure
  78. COPYING
  79. COPYING.LIB
  80. cpu.c
  81. cpus-common.c
  82. disas.c
  83. event-loop-base.c
  84. gdbstub.c
  85. gitdm.config
  86. hmp-commands-info.hx
  87. hmp-commands.hx
  88. iothread.c
  89. job-qmp.c
  90. job.c
  91. Kconfig
  92. Kconfig.host
  93. LICENSE
  94. MAINTAINERS
  95. Makefile
  96. memory_ldst.c.inc
  97. meson.build
  98. meson_options.txt
  99. module-common.c
  100. os-posix.c
  101. os-win32.c
  102. page-vary-common.c
  103. page-vary.c
  104. qemu-bridge-helper.c
  105. qemu-edid.c
  106. qemu-img-cmds.hx
  107. qemu-img.c
  108. qemu-io-cmds.c
  109. qemu-io.c
  110. qemu-keymap.c
  111. qemu-nbd.c
  112. qemu-options.hx
  113. qemu.nsi
  114. qemu.sasl
  115. README.rst
  116. replication.c
  117. trace-events
  118. VERSION
  119. version.rc