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-rw-r--r--tools/power/cpupower/man/cpupower-set.131
1 files changed, 1 insertions, 30 deletions
diff --git a/tools/power/cpupower/man/cpupower-set.1 b/tools/power/cpupower/man/cpupower-set.1
index 9dbd536518ab..2bcc696f4496 100644
--- a/tools/power/cpupower/man/cpupower-set.1
+++ b/tools/power/cpupower/man/cpupower-set.1
@@ -3,7 +3,7 @@
3cpupower\-set \- Set processor power related kernel or hardware configurations 3cpupower\-set \- Set processor power related kernel or hardware configurations
4.SH SYNOPSIS 4.SH SYNOPSIS
5.ft B 5.ft B
6.B cpupower set [ \-b VAL ] [ \-s VAL ] [ \-m VAL ] 6.B cpupower set [ \-b VAL ]
7 7
8 8
9.SH DESCRIPTION 9.SH DESCRIPTION
@@ -55,35 +55,6 @@ Use \fBcpupower -c all info -b\fP to verify.
55 55
56This options needs the msr kernel driver (CONFIG_X86_MSR) loaded. 56This options needs the msr kernel driver (CONFIG_X86_MSR) loaded.
57.RE 57.RE
58.PP
59\-\-sched\-mc, \-m [ VAL ]
60.RE
61\-\-sched\-smt, \-s [ VAL ]
62.RS 4
63\-\-sched\-mc utilizes cores in one processor package/socket first before
64processes are scheduled to other processor packages/sockets.
65
66\-\-sched\-smt utilizes thread siblings of one processor core first before
67processes are scheduled to other cores.
68
69The impact on power consumption and performance (positiv or negativ) heavily
70depends on processor support for deep sleep states, frequency scaling and
71frequency boost modes and their dependencies between other thread siblings
72and processor cores.
73
74Taken over from kernel documentation:
75
76Adjust the kernel's multi-core scheduler support.
77
78Possible values are:
79.RS 2
800 - No power saving load balance (default value)
81
821 - Fill one thread/core/package first for long running threads
83
842 - Also bias task wakeups to semi-idle cpu package for power
85savings
86.RE
87 58
88.SH "SEE ALSO" 59.SH "SEE ALSO"
89cpupower-info(1), cpupower-monitor(1), powertop(1) 60cpupower-info(1), cpupower-monitor(1), powertop(1)