diff options
Diffstat (limited to 'tools/power/cpupower/man')
| -rw-r--r-- | tools/power/cpupower/man/cpupower-monitor.1 | 13 | ||||
| -rw-r--r-- | tools/power/cpupower/man/cpupower-set.1 | 38 |
2 files changed, 41 insertions, 10 deletions
diff --git a/tools/power/cpupower/man/cpupower-monitor.1 b/tools/power/cpupower/man/cpupower-monitor.1 index 8ee737eefa5c..89af019f8dc4 100644 --- a/tools/power/cpupower/man/cpupower-monitor.1 +++ b/tools/power/cpupower/man/cpupower-monitor.1 @@ -81,11 +81,6 @@ Measure idle and frequency characteristics of an arbitrary command/workload. The executable \fBcommand\fP is forked and upon its exit, statistics gathered since it was forked are displayed. .RE -.PP -\-v -.RS 4 -Increase verbosity if the binary was compiled with the DEBUG option set. -.RE .SH MONITOR DESCRIPTIONS .SS "Idle_Stats" @@ -172,9 +167,11 @@ displayed. "BIOS and Kernel Developer’s Guide (BKDG) for AMD Family 14h Processors" https://support.amd.com/us/Processor_TechDocs/43170.pdf -"Intel® Turbo Boost Technology -in Intel® Core™ Microarchitecture (Nehalem) Based Processors" -http://download.intel.com/design/processor/applnots/320354.pdf +"What Is Intel® Turbo Boost Technology?" +https://www.intel.com/content/www/us/en/gaming/resources/turbo-boost.html + +"Power Management - Technology Overview" +https://cdrdv2.intel.com/v1/dl/getContent/637748 "Intel® 64 and IA-32 Architectures Software Developer's Manual Volume 3B: System Programming Guide" diff --git a/tools/power/cpupower/man/cpupower-set.1 b/tools/power/cpupower/man/cpupower-set.1 index 2bcc696f4496..500653ef98c7 100644 --- a/tools/power/cpupower/man/cpupower-set.1 +++ b/tools/power/cpupower/man/cpupower-set.1 @@ -3,7 +3,7 @@ cpupower\-set \- Set processor power related kernel or hardware configurations .SH SYNOPSIS .ft B -.B cpupower set [ \-b VAL ] +.B cpupower set [ \-b VAL | \-e POLICY | \-m MODE | \-t BOOL ] .SH DESCRIPTION @@ -19,7 +19,7 @@ described in the Options sections. Use \fBcpupower info \fP to read out current settings and whether they are supported on the system at all. -.SH Options +.SH OPTIONS .PP \-\-perf-bias, \-b .RS 4 @@ -56,6 +56,40 @@ Use \fBcpupower -c all info -b\fP to verify. This options needs the msr kernel driver (CONFIG_X86_MSR) loaded. .RE +.PP +\-\-epp, \-e +.RS 4 +Sets the energy performance policy preference on supported Intel or AMD +processors which use the Intel or AMD P-State cpufreq driver respectively. + +Available policies can be found with +\fBcat /sys/devices/system/cpu/cpufreq/policy0/energy_performance_available_preferences\fP : +.RS 4 +default performance balance_performance balance_power power +.RE + +.RE + +.PP +\-\-amd\-pstate\-mode, \-m +.RS 4 +Sets the AMD P-State mode for supported AMD processors. +Available modes are "active", "guided" or "passive". + +Refer to the AMD P-State kernel documentation for further information. + +.RE + +.PP +\-\-turbo\-boost, \-t +.RS 4 +This option is used to enable or disable the turbo boost feature on +supported Intel and AMD processors. + +This option takes as parameter either \fB1\fP to enable, or \fB0\fP to disable the feature. + +.RE + .SH "SEE ALSO" cpupower-info(1), cpupower-monitor(1), powertop(1) .PP |