MINI MINI MANI MO
ó
© =[c @ s• d d l m Z d d l Td d l Z d d l m Z d d l j Z d d l Z d d l
Z
d d l Z e j j
ƒ Z d e j f d „ ƒ YZ d S( i ( t base( t *iÿÿÿÿN( t commandst CPULatencyPluginc B s£ e Z d Z d „ Z d „ Z d „ Z e d „ ƒ Z d „ Z d „ Z d „ Z
d „ Z d „ Z d
„ Z
d „ Z d „ Z d
„ Z d „ Z d „ Z e d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z e d d e ƒd „ ƒ Z e d ƒ e d „ ƒ Z d d „ Z e d d e d d ƒd „ ƒ Z e d ƒ e d „ ƒ Z! d! „ Z" e d" d e ƒd# „ ƒ Z# d$ „ Z$ d% „ Z% d& „ Z& e d" ƒ e d' „ ƒ Z' RS(( sP
Plugin for tuning CPU options. Powersaving, governor, required latency, etc.
c O sh t t | ƒ j | | Ž t | _ t | _ t | _ d | _ d | _
d | _ i | _ t
ƒ | _ d S( N( t superR t __init__t Truet _has_pm_qost _has_energy_perf_biast Falset _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 ƒ | _ x- | j j d ƒ D] } | j j | j ƒ q( Wt ƒ | _ 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 | ƒ ^ 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_objects+ 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( Ngš™™™™™É?t load_thresholdid t latency_lowiè 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_options. s c C s t | _ d } | j j d d g d t j | g ƒd } | d k rR t | _ n) | d k rn t j d ƒ n
t j d ƒ 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 t logt warning( R t retcode_unsupportedt retcode( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _check_energy_perf_bias= s + c C s2 t j j d ƒ | _ | j r. t j d ƒ n d S( Ns$ /sys/devices/system/cpu/intel_pstates intel_pstate detected( t ost patht existsR
R3 t info( R ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _check_intel_pstateH s c C s. t | ƒ } | j j t | ƒ j d d ƒ ƒ 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_onlineM s c C s t j j d | ƒ S( Ns3 /sys/devices/system/cpu/%s/cpufreq/scaling_governor( R8 R9 R: ( R R ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _cpu_has_scaling_governorQ s c C sL | j | ƒ s$ t j d | ƒ t S| j | ƒ sH t j d | ƒ t St S( Ns '%s' is not online, skippings. there is no scaling governor fo '%s', skipping( RB R3 t debugR RC R ( R R ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _check_cpu_can_change_governorT s c C s! t | _ t | _ t | j j ƒ ƒ d | k rê t | _ y t j t
j t j ƒ | _
Wn. t k
r‰ t j d t
j ƒ t | _ n Xd | _ | j d d k rÊ | j j d d ƒ | _ t | _ n d | _ | j ƒ | j ƒ n t | _ t j d | j ƒ t | j ƒ 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_instanceR8 t opent constst PATH_CPU_DMA_LATENCYt O_WRONLYt _cpu_latency_fdt OSErrorR3 t errorR R t _latencyt optionst _monitors_repositoryt createt
_load_monitorR7 R< R; t nameR t
_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 ƒ n | j d k rM | j j | j ƒ qM n d S( N( RL R R8 t closeRQ RX R RV t delete( R R[ ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _instance_cleanup{ s
c C s | j j d | d ƒ j ƒ 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 | | ƒ n d S( Ns' /sys/devices/system/cpu/intel_pstate/%s( R R t
write_to_file( R Rb 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 | ƒ } | j | | ƒ | S( N( R Rc Rf ( R Rb 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 | ƒ j | ƒ | j s# d S| j d } | d k rL | j | ƒ n | j r¬ | j d | j d ƒ | _ | j d | j d ƒ | _
| j d | j d ƒ | _ n d S( NR& R* R+ R, ( R R t _instance_apply_staticRL RU R t _set_latencyR
Ri R R
R ( R R[ t force_latency_value( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyRj s
c C sk t t | ƒ j | | ƒ | j rg | j rg | j d | j ƒ | j d | j ƒ | j d | j ƒ n d S( NR* R+ R, ( R R t _instance_unapply_staticRL R
Rf R R
R ( R R[ t
full_rollback( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyRm ž s
c C s | j | | ƒ d S( N( t _instance_update_dynamic( R R[ 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 ƒ d } | | j d k r_ | j | j d ƒ n | j | j d ƒ d S( Nt systemR# R% R$ ( RL t AssertionErrorRZ RX t get_loadRU Rk ( R R[ R RF ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyRo © s c C s d S( N( ( R R[ R ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _instance_unapply_dynamic´ s c C sj t | ƒ } | j rf | j | k rf t j d | ƒ t j d | ƒ } t j | j | ƒ | | _ n d S( Ns setting new cpu latency %dt i(
t intR RT R3 R; t structt packR8 t writeRQ ( R t latencyt latency_bin( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyRk · s c C s | j j d | ƒ j ƒ j ƒ S( Ns> /sys/devices/system/cpu/%s/cpufreq/scaling_available_governors( R R` Ra 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 | ƒ s d S| | j | ƒ k rL | sH t j d | | f ƒ n d S| s‰ t j d | | f ƒ | j j d | t | ƒ ƒ n t | ƒ S( Ns7 ignoring governor '%s' on cpu '%s', it is not supporteds! setting governor '%s' on cpu '%s's3 /sys/devices/system/cpu/%s/cpufreq/scaling_governor( RE R R} R3 R; R Rd R> ( R R' R t sim( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt
_set_governor s c C sz d } | j | ƒ s d S| j j d | d | ƒj ƒ } t | ƒ d k rV | } n | d k rv t j d | ƒ n | S( Ns3 /sys/devices/system/cpu/%s/cpufreq/scaling_governort no_errori s* could not get current governor on cpu '%s'( R RE R R` Ra t lenR3 RS ( R R t ignore_missingR' t data( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt
_get_governorÏ 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_pathÝ s R( t priorityi
c C s d } | | j k r% | j j ƒ n d | j | <| j | ƒ } | d k rb t j d | ƒ d S| t | j j ƒ ƒ k r| | j | <| j | ƒ } t j
j | ƒ sÆ t j d | | f ƒ d St | ƒ } | st j
d | | f ƒ | j j | | ƒ 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… R3 RD RI RK R‡ R8 R9 R: R> R; R Rd ( R R( R R Re R' R9 ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _set_sampling_down_factorà s&
c C s` | j | d | ƒ} | d k r% d S| j | ƒ } t j j | ƒ sJ d S| j j | ƒ j ƒ S( NRƒ ( R… R R‡ R8 R9 R: R R` Ra ( R R Rƒ R' R9 ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_sampling_down_factorû s c C s= | j j d d | t | ƒ g d t ƒ\ } } } | | f S( NR. s -ct
return_err( R R0 R> R ( R t cpu_idRg R6 t outt err_msg( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _try_set_energy_perf_bias s R) c C s" | j | ƒ s$ t j d | ƒ d S| j r| s| j d ƒ } | j d ƒ } x¼ | D] } | j ƒ } t j d | | f ƒ | j | | ƒ \ } } | d k rÀ t j d | | f ƒ PqX | d k rá t j
d | ƒ PqX t j d | | f ƒ qX Wt j
d | ƒ n t | ƒ Sd Sd S(
Ns %s is not online, skippingR t |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?( RB R3 RD R R t lstripR| Ra R R; RS R> ( R R) R R R t valsRe R6 R ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _set_energy_perf_bias s6
c C sY y t | ƒ } WnB t k
rT } y t | d ƒ } WqU t k
rP } | } qU Xn X| S( Ni ( Rv t
ValueError( R t sRh 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 | ƒ | ƒ S( Nt performancei t normali t powersavei ( t getR˜ ( R R– ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _energy_perf_policy_to_human: s c C s< i d d 6d d 6d d 6d d 6d d
6j | j | ƒ | ƒ S( NR™ i s balance-performancei Rš i s
balance-poweri t poweri ( Rœ R˜ ( R R– ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _energy_perf_policy_to_human_v2> s
c C sñ d } | j | ƒ s* t j d | ƒ d S| j rí | j d ƒ } | j j d d | d g ƒ \ } } | d k rí xu | j ƒ D]d } | j ƒ } t
| ƒ d k rº | j | d ƒ } Pq t
| ƒ d k r | j | d ƒ } Pq q Wqí n | S(
Ns %s is not online, skippingR R. s -cs -ri i i i (
R RB R3 RD R R’ R R0 t
splitlinesR| R‚ R RŸ ( R R Rƒ R) R R6 t linest linet l( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt _get_energy_perf_biasF s" $ (( t __name__t
__module__t __doc__R R R" t classmethodR- R7 R< RB RC RE R\ R_ Rc Rf Ri Rj R Rm Rp Ro Rt Rk R} t command_setR R€ t command_getR… R‡ RŠ R‹ R R” R˜ R RŸ R¤ ( ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyR sH
! ! ( R= R t
decoratorst
tuned.logst tunedt tuned.utils.commandsR t tuned.constsRN R8 Rw R1 t logsRœ R3 t PluginR ( ( ( s< /usr/lib/python2.7/site-packages/tuned/plugins/plugin_cpu.pyt <module> s
OHA YOOOO