cvs commit: src/sys/dev/acpica acpi_cpu.c src/share/man/man4 acpi.4

Nate Lawson njl at
Sat Jun 5 07:02:33 GMT 2004

njl         2004/06/05 07:02:18 GMT

  FreeBSD src repository

  Modified files:
    sys/dev/acpica       acpi_cpu.c 
    share/man/man4       acpi.4 
  Rework acpi_cpu_idle() to select the next idle state before sleeping, not
  after.  Unify the paths for all Cx states.  Remove cpu_idle_busy and
  instead do the little profiling we need before re-enabling interrupts.
  Use 1 quantum as estimate for C1 sleep duration since the timer interrupt
  is the main reason we wake.
  While here, change the cx_history sysctl to cx_usage and report statistics
  for which idle states were used in terms of percent.  This seems more
  intuitive than counters.  Remove the cx_stats structure since it's no
  longer used.  Update the man page.
  Change various types which do not need explicit size.
  Revision  Changes    Path
  1.35      +4 -5      src/share/man/man4/acpi.4
  1.39      +79 -110   src/sys/dev/acpica/acpi_cpu.c

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