3 À<×eúã@s‚ddlZddlmZddlTddlZddlTddlmZddl j Z ddlZddlZej jƒZddgZdd gZGd d„dejƒZdS)éNé)Úbase)Ú*)ÚcommandsZbase_reachable_timeZretrans_timez /run/sysctl.dz /etc/sysctl.dcs€eZdZdZ‡fdd„Zdd„Zdd„Zdd „Zd d„Ze j fdd „Zdd„Zdd„Z dd„Zdd„Zdd„Zddd„Z‡ZS)ÚSysctlPluginaI `sysctl`:: Sets various kernel parameters at runtime. + This plug-in is used for applying custom `sysctl` settings and should only be used to change system settings that are not covered by other *TuneD* plug-ins. If the settings are covered by other *TuneD* plug-ins, use those plug-ins instead. + The syntax for this plug-in is `_key_=_value_`, where `_key_` is the same as the key name provided by the `sysctl` utility. + .Adjusting the kernel runtime kernel.sched_min_granularity_ns value ==== ---- [sysctl] kernel.sched_min_granularity_ns=3000000 ---- ==== cs$tt|ƒj||Žd|_tƒ|_dS)NT)ÚsuperrÚ__init__Z_has_dynamic_optionsrÚ_cmd)ÚselfÚargsÚkwargs)Ú __class__©ú#/usr/lib/python3.6/plugin_sysctl.pyr*szSysctlPlugin.__init__cCshd|_d|_|j|jƒ}|jj|iƒ|_t|jƒdkr\tj dƒ|j |ƒi|_|jj|ƒ|j|_ dS)NFTrz0recovering old sysctl settings from previous run)Z_has_dynamic_tuningZ_has_static_tuningÚ_storage_keyÚnameÚ_storageÚgetÚ_sysctl_originalÚlenÚlogÚinfoÚ_instance_unapply_staticÚunsetZoptionsÚ_sysctl)r ÚinstanceÚstorage_keyrrrÚ_instance_init/s zSysctlPlugin._instance_initcCs|j|jƒ}|jj|ƒdS)N)rrrr)r rrrrrÚ_instance_cleanup?szSysctlPlugin._instance_cleanupcCsÄxzt|jjƒƒD]h\}}|j|ƒ}|dkr:tjd|ƒq|jj|jj |ƒƒ}|j ||ƒ}|dk r||j|<|j||ƒqW|j |jƒ}|jj||jƒ|jjtjtjƒrÀtjdƒ|j|jƒdS)NzDsysctl option %s will not be set, failed to read the original value.zreapplying system sysctl)ÚlistrÚitemsÚ_read_sysctlrÚerrorÚ _variablesÚexpandr ZunquoteÚ_process_assignment_modifiersrÚ _write_sysctlrrrÚsetZ_global_cfgZget_boolÚconstsZCFG_REAPPLY_SYSCTLZCFG_DEF_REAPPLY_SYSCTLrÚ_apply_system_sysctl)r rÚoptionÚvalueÚoriginal_valueZ new_valuerrrrÚ_instance_apply_staticCs" z#SysctlPlugin._instance_apply_staticcCsvd}d}xht|jjƒƒD]V\}}|j|ƒ}|j|jj|ƒ|ƒ}|dk r|j||jj |ƒ|jj |ƒ|ƒdkrd}qW|S)NTF) rrr r!r%r#r$Z _verify_valuer Z remove_ws)r rÚignore_missingZdevicesÚretr*r+Zcurr_valrrrÚ_instance_verify_staticYs $z$SysctlPlugin._instance_verify_staticcCs,x&t|jjƒƒD]\}}|j||ƒqWdS)N)rrr r&)r rZrollbackr*r+rrrresz%SysctlPlugin._instance_unapply_staticc Cs¨i}x\tD]T}ytj|ƒ}Wntk r2w YnXx(|D] }|jdƒsJq:||kr:|||<q:Wq Wx4t|jƒƒD]$}||}d||f}|j||ƒqpW|jd|ƒdS)Nz.confz%s/%sz/etc/sysctl.conf)ÚSYSCTL_CONFIG_DIRSÚosÚlistdirÚOSErrorÚendswithÚsortedÚkeysÚ_apply_sysctl_config_file)r Úinstance_sysctlÚfilesÚdÚflistZfnameÚpathrrrr)is z!SysctlPlugin._apply_system_sysctlcCs¬tjd|ƒyPt|dƒ.}x&t|dƒD]\}}|j||||ƒq(WWdQRXtjd|ƒWnHttfk r¦}z(|jtjkr–tj d|t |ƒfƒWYdd}~XnXdS)Nz%Applying sysctl settings from file %sÚrrz.Finished applying sysctl settings from file %sz.Error reading sysctl settings from file %s: %s)rÚdebugÚopenÚ enumerateÚ_apply_sysctl_config_liner4ÚIOErrorÚerrnoÚENOENTr"Ústr)r r=r9ÚfÚlinenoÚlineÚerrrr8|sz&SysctlPlugin._apply_sysctl_config_filec Csà|jƒ}t|ƒdks,|ddks,|ddkr0dS|jddƒ}t|ƒdkr^tjd||fƒdS|\}}|jƒ}t|ƒdkrtjd||fƒdS|jƒ}||krÌ|jj||ƒ}||krÌtjd|||fƒ|j||d d dS)Nrú#ú;ú=réz Syntax error in file %s, line %dz2Overriding sysctl parameter '%s' from '%s' to '%s'T)r.) ÚstriprÚsplitrr"r#r$rr&) r r=rHrIr9Ztmpr*r+Zinstance_valuerrrrB‰s*$z&SysctlPlugin._apply_sysctl_config_linecCsd|jj|ddƒS)Nz/proc/sys/%sz./z/.)r Ztr)r r*rrrÚ_get_sysctl_path szSysctlPlugin._get_sysctl_pathcCsÎ|j|ƒ}yht|dƒB}d}x.t|ƒD]"\}}|dkr&tjd|ƒdSq&W|jƒ}WdQRXtjd||fƒ|Sttfk rÈ}z6|j t j kr¤tjd|ƒntjd|t|ƒfƒdSd}~XnXdS)Nr>ÚrzGFailed to read sysctl parameter '%s', multi-line values are unsupportedz&Value of sysctl parameter '%s' is '%s'zBFailed to read sysctl parameter '%s', the parameter does not existz(Failed to read sysctl parameter '%s': %s)rQr@rArr"rOr?r4rCrDrErF)r r*r=rGrIÚir+rJrrrr!§s( zSysctlPlugin._read_sysctlFcCsÒ|j|ƒ}tjj|ƒtkr,tjd|ƒdSy6tjd||fƒt|dƒ}|j |ƒWdQRXdSt tfk rÌ}zJ|jtj kr¦|rŽtjntj}|d||fƒntjd||t|ƒfƒdSd}~XnXdS)Nz+Refusing to set deprecated sysctl option %sFz%Setting sysctl parameter '%s' to '%s'ÚwTzIFailed to set sysctl parameter '%s' to '%s', the parameter does not existz/Failed to set sysctl parameter '%s' to '%s': %s)rQr2r=ÚbasenameÚDEPRECATED_SYSCTL_OPTIONSrr"r?r@Úwriter4rCrDrErF)r r*r+r.r=rGrJZlog_funcrrrr&¾s& zSysctlPlugin._write_sysctl)F)Ú__name__Ú __module__Ú__qualname__Ú__doc__rrrr-r0r(Z ROLLBACK_SOFTrr)r8rBrQr!r&Ú __classcell__rr)r rrs r)ÚrerRrZ decoratorsZ tuned.logsZtunedÚ subprocessZtuned.utils.commandsrZtuned.constsr(rDr2ZlogsrrrVr1ZPluginrrrrrÚs