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Add some tunable descriptions about x86 timers.

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Requested by:	arundel
This commit is contained in:
Jung-uk Kim 2011-04-14 00:07:08 +00:00
parent 149ce1025c
commit 5331d61da4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=220613
3 changed files with 4 additions and 3 deletions
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2
sys/dev/acpica/acpi_timer.c
View file

@ -276,7 +276,7 @@ acpi_timer_sysctl_freq(SYSCTL_HANDLER_ARGS)
}
SYSCTL_PROC(_machdep, OID_AUTO, acpi_timer_freq, CTLTYPE_INT | CTLFLAG_RW,
0, sizeof(u_int), acpi_timer_sysctl_freq, "I", "");
0, sizeof(u_int), acpi_timer_sysctl_freq, "I", "ACPI timer frequency");
/*
* Some ACPI timers are known or believed to suffer from implementation

3
sys/x86/isa/clock.c
View file

@ -527,7 +527,8 @@ sysctl_machdep_i8254_freq(SYSCTL_HANDLER_ARGS)
}
SYSCTL_PROC(_machdep, OID_AUTO, i8254_freq, CTLTYPE_INT | CTLFLAG_RW,
0, sizeof(u_int), sysctl_machdep_i8254_freq, "IU", "");
0, sizeof(u_int), sysctl_machdep_i8254_freq, "IU",
"i8254 timer frequency");
static unsigned
i8254_get_timecount(struct timecounter *tc)

2
sys/x86/x86/tsc.c
View file

@ -361,7 +361,7 @@ sysctl_machdep_tsc_freq(SYSCTL_HANDLER_ARGS)
}
SYSCTL_PROC(_machdep, OID_AUTO, tsc_freq, CTLTYPE_U64 | CTLFLAG_RW,
0, 0, sysctl_machdep_tsc_freq, "QU", "");
0, 0, sysctl_machdep_tsc_freq, "QU", "Time Stamp Counter frequency");
static unsigned
tsc_get_timecount(struct timecounter *tc)