cvs commit: src/sys/dev/acpica acpi_cpu.c src/share/man/man4
njl at FreeBSD.org
Sat Jun 5 07:02:33 GMT 2004
njl 2004/06/05 07:02:18 GMT
FreeBSD src repository
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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