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Powersaving, governor, required latency, etc. c O s� t t | � j | | � t | _ d | _ t | _ t | _ t | _ t | _ t | _ d | _ d | _ d | _ i | _ t � | _ d S( Nt x86_64( t superR t __init__t Truet _has_pm_qost _archt Falset _is_x86t _is_intelt _is_amdt _has_energy_perf_biast _has_intel_pstatet Nonet _min_perf_pct_savet _max_perf_pct_savet _no_turbo_savet _governors_mapR t _cmd( t selft argst kwargs( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyR s c C sU t | _ t � | _ x- | j j d � D] } | j j | j � q( Wt � | _ d S( Nt cpu( R t _devices_supportedt sett _free_devicest _hardware_inventoryt get_devicest addt sys_namet _assigned_devices( R t device( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _init_devices( s c C s& g | D] } | j j d | � ^ q S( NR ( R t get_device( R t devicest x( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_device_objects1 s c C sJ i d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6S( Ng�������?t load_thresholdid t latency_lowi� t latency_hight force_latencyt governort sampling_down_factort energy_perf_biast min_perf_pctt max_perf_pctt no_turbo( R ( R ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_config_options4 s c C s� d d d d d g } t j � | _ | j | k r� t j � } | j j d � } | d k ri t | _ n- | d k s� | d k r� t | _ n t | _ t j d | � n t j d | j � | j t k r� | j � | j � n d S( NR t i686t i585t i486t i386t vendor_idt GenuineIntelt AuthenticAMDt HygonGenuines$ We are running on an x86 %s platforms We are running on %s (non x86)( t platformt machineR t procfst cpuinfot tagst getR R R t logt infot _check_energy_perf_biast _check_intel_pstate( R t intel_archsR t vendor( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _check_archC s c C s t | _ d } | j j d d g d t j | g �d } | d k rR t | _ n) | d k rn t j d � n t j d � d S( Ni t x86_energy_perf_policys -rt no_errorsi sg unable to run x86_energy_perf_policy tool, ignoring CPU energy performance bias, is the tool installed?sX your CPU doesn't support MSR_IA32_ENERGY_PERF_BIAS, ignoring CPU energy performance bias( R R R t executet errnot ENOENTR RA t warning( R t retcode_unsupportedt retcode( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyRC ^ s + c C s2 t j j d � | _ | j r. t j d � n d S( Ns$ /sys/devices/system/cpu/intel_pstates intel_pstate detected( t ost patht existsR RA RB ( R ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyRD i s c C s. t | � } | j j t | � j d d � � S( NR t ( t strR t is_cpu_onlinet replace( R R" t sd( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _is_cpu_onlinen s c C s t j j d | � S( Ns3 /sys/devices/system/cpu/%s/cpufreq/scaling_governor( RP RQ RR ( R R" ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _cpu_has_scaling_governorr s c C sL | j | � s$ t j d | � t S| j | � sH t j d | � t St S( Ns '%s' is not online, skippings. there is no scaling governor fo '%s', skipping( RX RA t debugR RY R ( R R" ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _check_cpu_can_change_governoru s c C s t | _ t | _ t | j j � � d | k r� t | _ y t j t j t j � | _ Wn. t k r� t j d t j � t | _ n Xd | _ | j d d k r� | j j d d � | _ t | _ n d | _ | j � n t | _ t j d | j � t | j � d | _ d S( Ni s- Unable to open '%s', disabling PM_QoS controlR+ t loadsI Latency settings from non-first CPU plugin instance '%s' will be ignored.( R t _has_static_tuningR t _has_dynamic_tuningt listt _instancest valuest _first_instanceRP t opent constst PATH_CPU_DMA_LATENCYt O_WRONLYt _cpu_latency_fdt OSErrorRA t errorR R t _latencyt optionst _monitors_repositoryt createt _load_monitorRG RB t namet assigned_devicest _first_device( R t instance( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _instance_init~ s$ c C sQ | j rM | j r% t j | j � n | j d k rM | j j | j � qM n d S( N( Rb R RP t closeRg Rn R Rl t delete( R Rr ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _instance_cleanup� s c C s | j j d | d � j � S( Ns' /sys/devices/system/cpu/intel_pstate/%s( R t read_fileR t strip( R t attr( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_intel_pstate_attr� s c C s* | d k r& | j j d | | � n d S( Ns' /sys/devices/system/cpu/intel_pstate/%s( R R t write_to_file( R Ry t val( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _set_intel_pstate_attr� s c C s3 | d k r d S| j | � } | j | | � | S( N( R Rz R} ( R Ry t valuet v( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _getset_intel_pstate_attr� s c C s� t t | � j | � | j s# d S| j d } | d k rL | j | � n | j r� | j d | j d � | _ | j d | j d � | _ | j d | j d � | _ n d S( NR+ R/ R0 R1 ( R R t _instance_apply_staticRb Rk R t _set_latencyR R� R R R ( R Rr t force_latency_value( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyR� � s c C sk t t | � j | | � | j rg | j rg | j d | j � | j d | j � | j d | j � n d S( NR/ R0 R1 ( R R t _instance_unapply_staticRb R R} R R R ( R Rr t full_rollback( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyR� � s c C s | j | | � d S( N( t _instance_update_dynamic( R Rr R" ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _instance_apply_dynamic� s c C sw | j s t � | | j k r" d S| j j � d } | | j d k r_ | j | j d � n | j | j d � d S( Nt systemR( R* R) ( Rb t AssertionErrorRq Rn t get_loadRk R� ( R Rr R" R\ ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyR� � s c C s d S( N( ( R Rr R" ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _instance_unapply_dynamic� s c C sj t | � } | j rf | j | k rf t j d | � t j d | � } t j | j | � | | _ n d S( Ns setting new cpu latency %dt i( t intR Rj RA RB t structt packRP t writeRg ( R t latencyt latency_bin( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyR� � s c C s | j j d | � j � j � S( Ns> /sys/devices/system/cpu/%s/cpufreq/scaling_available_governors( R Rw Rx t split( R R" ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_available_governors� s R, t per_devicec C s, | j | � s d St | � } | j d � } g | D] } | j � ^ q5 } x1 | D]) } t | � d k rT t j d � d SqT W| j | � } x� | D]m } | | k r� | s� t j d | | f � | j j d | | � n Pq� | s� t j d | | f � q� q� Wt j d d j | � � d } | S( Nt |i s. The 'governor' option contains an empty value.s! setting governor '%s' on cpu '%s's3 /sys/devices/system/cpu/%s/cpufreq/scaling_governors7 Ignoring governor '%s' on cpu '%s', it is not supporteds. None of the scaling governors is supported: %ss , ( R[ R RT R� Rx t lenRA Ri R� RB R R{ RZ t warnt join( R t governorsR" t simR, t available_governors( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _set_governor� s2 c C sz d } | j | � s d S| j j d | d | �j � } t | � d k rV | } n | d k rv t j d | � n | S( Ns3 /sys/devices/system/cpu/%s/cpufreq/scaling_governort no_errori s* could not get current governor on cpu '%s'( R R[ R Rw Rx R� RA Ri ( R R" t ignore_missingR, t data( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_governor� s " t ondemandc C s d | S( Ns7 /sys/devices/system/cpu/cpufreq/%s/sampling_down_factor( ( R R, ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _sampling_down_factor_path s R- t priorityi c C s d } | | j k r% | j j � n d | j | <| j | � } | d k rb t j d | � d S| t | j j � � k r| | j | <| j | � } t j j | � s� t j d | | f � d St | � } | st j d | | f � | j j | | � qn | S( NsI ignoring sampling_down_factor setting for CPU '%s', cannot match governorsT ignoring sampling_down_factor setting for CPU '%s', governor '%s' doesn't support its6 setting sampling_down_factor to '%s' for governor '%s'( R R t clearR� RA RZ R_ Ra R� RP RQ RR RT RB R R{ ( R R- R" R� R| R, RQ ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _set_sampling_down_factor s& c C s` | j | d | �} | d k r% d S| j | � } t j j | � sJ d S| j j | � j � S( NR� ( R� R R� RP RQ RR R Rw Rx ( R R" R� R, RQ ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_sampling_down_factor) s c C s= | j j d d | t | � g d t �\ } } } | | f S( NRH s -ct return_err( R RJ RT R ( R t cpu_idR~ RO t outt err_msg( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _try_set_energy_perf_bias3 s R. c C s" | j | � s$ t j d | � d S| j r| s| j d � } | j d � } x� | D]� } | j � } t j d | | f � | j | | � \ } } | d k r� t j d | | f � PqX | d k r� t j d | � PqX t j d | | f � qX Wt j d | � n t | � Sd Sd S( Ns %s is not online, skippingR R� s2 Trying to set energy_perf_bias to '%s' on cpu '%s'i s5 energy_perf_bias successfully set to '%s' on cpu '%s's" Failed to set energy_perf_bias: %ssH Could not set energy_perf_bias to '%s' on cpu '%s', trying another valuesP Failed to set energy_perf_bias on cpu '%s'. Is the value in the profile correct?( RX RA RZ R R t lstripR� Rx R� RB Ri RT ( R R. R" R� R� t valsR| RO R� ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _set_energy_perf_bias< s6 c C sY y t | � } WnB t k rT } y t | d � } WqU t k rP } | } qU Xn X| S( Ni ( R� t ValueError( R t sR t e( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _try_parse_num] s c C s. i d d 6d d 6d d 6j | j | � | � S( Nt performancei t normali t powersavei ( R@ R� ( R R� ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _energy_perf_policy_to_humanh s c C s< i d d 6d d 6d d 6d d 6d d 6j | j | � | � S( NR� i s balance-performancei R� i s balance-poweri t poweri ( R@ R� ( R R� ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _energy_perf_policy_to_human_v2l s c C s� d } | j | � s* t j d | � d S| j r� | j d � } | j j d d | d g � \ } } | d k r� xu | j � D]d } | j � } t | � d k r� | j | d � } Pq t | � d k r | j | d � } Pq q Wq� n | S( Ns %s is not online, skippingR RH s -cs -ri i i i ( R RX RA RZ R R� R RJ t splitlinesR� R� R� R� ( R R" R� R. R� RO t linest linet l( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_energy_perf_biast s" $ () t __name__t __module__t __doc__R R# R' t classmethodR2 RG RC RD RX RY R[ Rs Rv Rz R} R� R� R R� R� R� R� R� R� t command_setR R� t command_getR� R� R� R� R� R� R� R� R� R� ( ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyR sJ ! ! ( RS R t decoratorst tuned.logst tunedt tuned.utils.commandsR t tuned.constsRd RP R� RK R; R= t logsR@ RA t PluginR ( ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt <module> s