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Edit File: procfs.pyo
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GHe � Z% xO e& r�e j' d! � e% j( � x# e% D] Z d% e j! e j) f GHq�Wd2 GHq�Wn d S(3 i����Ns 0.3c C s0 | d r$ t d � | d � j � S| d d S( s� Returns the process command line, if available in the given `process' class, if not available, falls back to using the comm (short process name) in its pidstat key. t cmdlinec S s | d | S( Ns %s( ( t at b( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt <lambda> s t statt comm( t reducet strip( t pid_info( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt process_cmdline s t pidstatc + B s� e Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z d Z! d Z" d Z# d Z$ d Z% d Z& d! d" d# d$ d% d& d' d( d) d* d+ d, d- d. d/ d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 d: d; d< d= d> d? d@ dA dB dC dD dE dF dG dH dI dJ dK g+ Z' dL dM � Z( dN � Z) dO � Z* dP � Z+ dQ � Z, dR � Z- dS � Z. dL dT � Z/ dU � Z0 dV � Z1 RS(W s Provides a dictionary to access the fields in the per process /proc/PID/stat files. One can obtain the available fields asking for the keys of the dictionary, e.g.: >>> p = procfs.pidstat(1) >>> print p.keys() ['majflt', 'rss', 'cnswap', 'cstime', 'pid', 'session', 'startstack', 'startcode', 'cmajflt', 'blocked', 'exit_signal', 'minflt', 'nswap', 'environ', 'priority', 'state', 'delayacct_blkio_ticks', 'policy', 'rt_priority', 'ppid', 'nice', 'cutime', 'endcode', 'wchan', 'num_threads', 'sigcatch', 'comm', 'stime', 'sigignore', 'tty_nr', 'kstkeip', 'utime', 'tpgid', 'itrealvalue', 'kstkesp', 'rlim', 'signal', 'pgrp', 'flags', 'starttime', 'cminflt', 'vsize', 'processor'] And then access the various process properties using it as a dictionary: >>> print p['comm'] systemd >>> print p['priority'] 20 >>> print p['state'] S Please refer to the 'procfs(5)' man page, by using: $ man 5 procfs To see information for each of the above fields, it is part of the 'man-pages' RPM package. i i i i i i i@ i� i i i i i i i @ i � i i i i i i i @ i � i i i i i i i @I � t pidR t statet ppidt pgrpt sessiont tty_nrt tpgidt flagst minfltt cminfltt majfltt cmajfltt utimet stimet cutimet cstimet priorityt nicet num_threadst itrealvaluet starttimet vsizet rsst rlimt startcodet endcodet startstackt kstkespt kstkeipt signalt blockedt sigignoret sigcatcht wchant nswapt cnswapt exit_signalt processort rt_priorityt policyt delayacct_blkio_tickst environs /procc C s | | _ | j | � d S( N( R t load( t selfR t basedir( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt __init__r s c C s | j | S( N( t fields( R6 t fieldname( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt __getitem__v s c C s | j j � S( N( R9 t keys( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< y s c C s | j j � S( N( R9 t values( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= | s c C s | j j | � S( N( R9 t has_key( R6 R: ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR> s c C s | j S( N( R9 ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt items� s c C s | | j k S( N( R9 ( R6 R: ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt __contains__� s c C s t d | | j f � } | j � j � j d � } | j � | d j d � | d j � } i | _ t t | � t | j � � } x~ t | � D]p } | j | } | | } | d k r� | j d � | j d <q� y t | � | j | <Wq� | | j | <q� Xq� Wd S( Ns %s/%d/stats ) i s (i R s ()( t openR t readlineR t splitt closeR9 t mint lent proc_stat_fieldst ranget int( R6 R7 t fR9 t nr_fieldst it attrnamet value( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR5 � s ! c C s | j d | j @r t p t S( s� Returns true if this process has a fixed smp affinity mask, not allowing it to be moved to a different set of CPUs. R ( R9 t PF_THREAD_BOUNDt Truet False( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt is_bound_to_cpu� s c C sg g } xZ t | � D]L } | d d k r/ q n t | | � } | | j d @r | j | � q q W| S( s. Returns a list with all the process flags known, details depend on kernel version, declared in the file include/linux/sched.h in the kernel sources. As of v4.2-rc7 these include (from include/linux/sched.h comments): PF_EXITING Getting shut down PF_EXITPIDONE Pi exit done on shut down PF_VCPU I'm a virtual CPU PF_WQ_WORKER I'm a workqueue worker PF_FORKNOEXEC Forked but didn't exec PF_MCE_PROCESS Process policy on mce errors PF_SUPERPRIV Used super-user privileges PF_DUMPCORE Dumped core PF_SIGNALED Killed by a signal PF_MEMALLOC Allocating memory PF_NPROC_EXCEEDED Set_user noticed that RLIMIT_NPROC was exceeded PF_USED_MATH If unset the fpu must be initialized before use PF_USED_ASYNC Used async_schedule*(), used by module init PF_NOFREEZE This thread should not be frozen PF_FROZEN Frozen for system suspend PF_FSTRANS Inside a filesystem transaction PF_KSWAPD I am kswapd PF_MEMALLOC_NOIO Allocating memory without IO involved PF_LESS_THROTTLE Throttle me less: I clean memory PF_KTHREAD I am a kernel thread PF_RANDOMIZE Randomize virtual address space PF_SWAPWRITE Allowed to write to swap PF_NO_SETAFFINITY Userland is not allowed to meddle with cpus_allowed PF_MCE_EARLY Early kill for mce process policy PF_MUTEX_TESTER Thread belongs to the rt mutex tester PF_FREEZER_SKIP Freezer should not count it as freezable PF_SUSPEND_TASK This thread called freeze_processes and should not be frozen i t PF_R ( t dirt getattrR9 t append( R6 t sflagst attrRN ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt process_flags� s %(2 t __name__t __module__t __doc__t PF_ALIGNWARNt PF_STARTINGt PF_EXITINGt PF_EXITPIDONEt PF_VCPUt PF_WQ_WORKERt PF_FORKNOEXECt PF_MCE_PROCESSt PF_SUPERPRIVt PF_DUMPCOREt PF_SIGNALEDt PF_MEMALLOCt PF_NPROC_EXCEEDEDt PF_FLUSHERt PF_USED_MATHt PF_USED_ASYNCt PF_NOFREEZEt PF_FROZENt PF_FSTRANSt PF_KSWAPDt PF_MEMALLOC_NOIOt PF_SWAPOFFt PF_LESS_THROTTLEt PF_KTHREADt PF_RANDOMIZEt PF_SWAPWRITEt PF_SPREAD_PAGEt PF_SPREAD_SLABRO t PF_NO_SETAFFINITYt PF_MCE_EARLYt PF_MEMPOLICYt PF_MUTEX_TESTERt PF_FREEZER_SKIPt PF_FREEZER_NOSIGt PF_SUSPEND_TASKRG R8 R; R< R= R> R? R@ R5 RR RY ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR # st t pidstatusc B s\ e Z d Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z RS( s� Provides a dictionary to access the fields in the per process /proc/PID/status files. This provides additional information about processes and threads to what can be obtained with the procfs.pidstat() class. One can obtain the available fields asking for the keys of the dictionary, e.g.: >>> import procfs >>> p = procfs.pidstatus(1) >>> print p.keys() ['VmExe', 'CapBnd', 'NSpgid', 'Tgid', 'NSpid', 'VmSize', 'VmPMD', 'ShdPnd', 'State', 'Gid', 'nonvoluntary_ctxt_switches', 'SigIgn', 'VmStk', 'VmData', 'SigCgt', 'CapEff', 'VmPTE', 'Groups', 'NStgid', 'Threads', 'PPid', 'VmHWM', 'NSsid', 'VmSwap', 'Name', 'SigBlk', 'Mems_allowed_list', 'VmPeak', 'Ngid', 'VmLck', 'SigQ', 'VmPin', 'Mems_allowed', 'CapPrm', 'Seccomp', 'VmLib', 'Cpus_allowed', 'Uid', 'SigPnd', 'Pid', 'Cpus_allowed_list', 'TracerPid', 'CapInh', 'voluntary_ctxt_switches', 'VmRSS', 'FDSize'] >>> print p["Pid"] 1 >>> print p["Threads"] 1 >>> print p["VmExe"] 1248 kB >>> print p["Cpus_allowed"] f >>> print p["SigQ"] 0/30698 >>> print p["VmPeak"] 320300 kB >>> Please refer to the 'procfs(5)' man page, by using: $ man 5 procfs To see information for each of the above fields, it is part of the 'man-pages' RPM package. In the man page there will be references to further documentation, like referring to the "getrlimit(2)" man page when explaining the "SigQ" line/field. s /procc C s | | _ | j | � d S( N( R R5 ( R6 R R7 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 � s c C s | j | S( N( R9 ( R6 R: ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; � s c C s | j j � S( N( R9 R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< � s c C s | j j � S( N( R9 R= ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= s c C s | j j | � S( N( R9 R> ( R6 R: ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR> s c C s | j S( N( R9 ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR? s c C s | | j k S( N( R9 ( R6 R: ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR@ s c C s� t d | | j f � } i | _ x� | j � D]u } | j d � } t | � d k r\ q/ n | d } | d j � } y t | � | j | <Wq/ | | j | <q/ Xq/ W| j � d S( Ns %s/%d/statust :i i i ( RA R R9 t readlinesRC RF R RI RD ( R6 R7 RJ t lineR9 t nameRN ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR5 s ( RZ R[ R\ R8 R; R< R= R> R? R@ R5 ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s $ t processc B sY e Z d Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s Information about a process with a given pid, provides a dictionary with two entries, instances of different wrappers for /proc/ process related meta files: "stat" and "status", see the documentation for procfs.pidstat and procfs.pidstatus for further info about those classes. s /procc C s | | _ | | _ d S( N( R R7 ( R6 R R7 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 $ s c C s� t | | � s� | d k rX | d k r0 t } n t } t | | | | j | j � � q� | d k rq | j � q� | d k r� | j � q� | d k r� | j � q� | d k r� | j � q� n t | | � S( NR t statusR t threadst cgroupsR4 ( s statR� ( t hasattrR R� t setattrR R7 t load_cmdlinet load_threadst load_cgroupst load_environRU ( R6 RX t sclass( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; ( s " c C s t | | � S( N( R� ( R6 RX ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR> < s c C s t | | � S( N( R� ( R6 RX ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR@ ? s c C sC t d | j � } | j � j � j d � d | _ | j � d S( Ns /proc/%d/cmdlinet i����( t fileR RB R RC R RD ( R6 RJ ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� B s "c C s' t d | j � | _ | j | j =d S( Ns /proc/%d/task/( t pidstatsR R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� G s c C s~ t d | j � } d | _ xQ t | j � � D]= } t | j � r_ | j d | d | _ q/ | d | _ q/ W| j � d S( Ns /proc/%d/cgroupt t ,i����( R� R R� t reversedR� RF RD ( R6 RJ R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� L s c C s� i | _ t d | j � } xV | j � j d � D]? } t | � d k r2 | j d � } | d | j | d <q2 q2 W| j � d S( s� Loads the environment variables for this process. The entries then become available via the 'environ' member, or via the 'environ' dict key when accessing as p["environ"]. E.g.: >>> all_processes = procfs.pidstats() >>> firefox_pid = all_processes.find_by_name("firefox") >>> firefox_process = all_processes[firefox_pid[0]] >>> print firefox_process["environ"]["PWD"] /home/acme >>> print len(firefox_process.environ.keys()) 66 >>> print firefox_process["environ"]["SHELL"] /bin/bash >>> print firefox_process["environ"]["USERNAME"] acme >>> print firefox_process["environ"]["HOME"] /home/acme >>> print firefox_process["environ"]["MAIL"] /var/spool/mail/acme >>> s /proc/%d/environR� i t =i N( R4 R� R RB RC RF RD ( R6 RJ t xt y( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� V s ( RZ R[ R\ R8 R; R> R@ R� R� R� R� ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� s R� c B s� e Z d Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s Provides access to all the processes in the system, to get a picture of how many processes there are at any given moment. The entries can be accessed as a dictionary, keyed by pid. Also there are methods to find processes that match a given COMM or regular expression. s /procc C s | | _ i | _ | j � d S( N( R7 t processest reload( R6 R7 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 � s c C s | j | S( N( R� ( R6 t key( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; � s c C s y | j | =Wn n Xd S( N( R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt __delitem__� s c C s | j j � S( N( R� R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< � s c C s | j j � S( N( R� R= ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= � s c C s | j j | � S( N( R� R> ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR> � s c C s | j S( N( R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR? � s c C s | | j k S( N( R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR@ � s c C sl | ` i | _ t j | j � } xD | D]< } y t | � } Wn q( n Xt | | j � | j | <q( Wd S( s� This operation will throw away the current dictionary contents, if any, and read all the pid files from /proc/, instantiating a 'process' instance for each of them. This is a high overhead operation, and should be avoided if the perf python binding can be used to detect when new threads appear and existing ones terminate. In RHEL it is found in the python-perf rpm package. More information about the perf facilities can be found in the 'perf_event_open' man page. N( R� t ost listdirR7 RI R� ( R6 t pidst spidR ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s c C sQ xJ | j j � D]9 } y | j | j � Wq t k rH | j | =q Xq Wd S( N( R� R< R� t OSError( R6 R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt reload_threads� s c C s{ | d } g } xd | j j � D]S } y/ | | j | d d k rT | j | � n Wq t k rr | j | =q Xq W| S( Ni R R ( R� R< RV t IOError( R6 R� R� R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt find_by_name� s c C st g } xg | j j � D]V } y2 | j | j | d d � rM | j | � n Wq t k rk | j | =q Xq W| S( NR R ( R� R< t matchRV R� ( R6 t regexR� R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt find_by_regex� s c C sr g } xe | j j � D]T } y0 | j t | j | � � rK | j | � n Wq t k ri | j | =q Xq W| S( N( R� R< R� R RV R� ( R6 R� R� R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt find_by_cmdline_regex� s c C s� d } d } g } x� t r� d | | f } | j | � } | sr t g | D] } | | k rK | ^ qK � d k rv Pn xM | D]E } y! | d | j | d d 7} Wq} t k r� | j | =q} Xq} W| | 7} | d 7} q W| j d � } | S( Ni R� s %s/%ds %s,R R1 i R� ( RP R� RF R� R� R ( R6 t basenamet cput prioritiest processed_pidsR� R� t nR ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt get_per_cpu_rtprios� s" 8 ! c C s� d } d } g } x� t r� | j | � } | sb t g | D] } | | k r; | ^ q; � d k rf Pn xM | D]E } y! | d | j | d d 7} Wqm t k r� | j | =qm Xqm W| | 7} | d 7} q W| j d � } | S( Ni R� s %s,R R1 i R� ( RP R� RF R� R� R ( R6 R� R� R� R� R� R� R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt get_rtprios s 8 ! c C s | j | d j � S( sE Checks if a given pid can't have its SMP affinity mask changed. R ( R� RR ( R6 R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyRR s ( RZ R[ R\ R8 R; R� R< R= R> R? R@ R� R� R� R� R� R� R� RR ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� x s" t interruptsc B sz e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s4 Information about IRQs in the system. A dictionary keyed by IRQ number will have as its value another dictionary with "cpu", "type" and "users" keys, with the SMP affinity mask, type of IRQ and the drivers associated with each interrupt. The information comes from the /proc/interrupts file, documented in 'man procfs(5)', for instance, the 'cpu' dict is an array with one entry per CPU present in the sistem, each value being the number of interrupts that took place per CPU. E.g.: >>> import procfs >>> interrupts = procfs.interrupts() >>> thunderbolt_irq = interrupts.find_by_user("thunderbolt") >>> print thunderbolt_irq 34 >>> thunderbolt = interrupts[thunderbolt_irq] >>> print thunderbolt {'affinity': [0, 1, 2, 3], 'type': 'PCI-MSI', 'cpu': [3495, 0, 81, 0], 'users': ['thunderbolt']} >>> c C s i | _ | j � d S( N( R� R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 4 s c C s | j t | � S( N( R� t str( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; 8 s c C s | j j � S( N( R� R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< ; s c C s | j j � S( N( R� R= ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= > s c C s | j j t | � � S( N( R� R> R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR> A s c C s | j S( N( R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR? D s c C s t | � | j k S( N( R� R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR@ G s c C s� | ` i | _ t d � } x� | j � D]� } | j � } | j � } | d d d k ro t | � | _ q( n | d j d � } i | j | <| j | d | � | j | <y t | � } Wn q( n X| j | � | j | d <q( W| j � d S( Ns /proc/interruptsi i t CPUR� i t affinity( R� RA R� R RC RF t nr_cpust parse_entryRI t parse_affinityRD ( R6 RJ R� R9 t irqt nirq( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� J s$ c C s� i } g | d <| d j t | d � � t | � } | | j k r� | d c g | d | j !D] } t | � ^ qa 7<| | j k r� | | j | d <| | j d k r� g | | d j d � D] } | j � ^ q� | d <q� g | d <q� n | S( NR� i i t typeR� t users( RV RI RF R� RC R ( R6 R9 R� t dictRK RL R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� ` s 37c C sY y= t d | � } | j � } | j � t j | | j � SWn t k rT d g SXd S( Ns /proc/irq/%s/smp_affinityi ( R� RB RD t utilistt bitmasklistR� R� ( R6 R� RJ R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� p s c C sO xH | j j � D]7 } | j | j d � r | | j | d k r | Sq Wd S( s� Looks up a interrupt number by the name of one of its users" E.g.: >>> import procfs >>> interrupts = procfs.interrupts() >>> thunderbolt_irq = interrupts.find_by_user("thunderbolt") >>> print thunderbolt_irq 34 >>> thunderbolt = interrupts[thunderbolt_irq] >>> print thunderbolt {'affinity': [0, 1, 2, 3], 'type': 'PCI-MSI', 'cpu': [3495, 0, 81, 0], 'users': ['thunderbolt']} >>> R� N( R� R< R> t None( R6 t userRL ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt find_by_usery s c C s| g } xo | j j � D]^ } | j | j d � s8 q n x9 | j | d D]& } | j | � rJ | j | � PqJ qJ Wq W| S( s� Looks up a interrupt number by a regex that matches names of its users" E.g.: >>> import procfs >>> import re >>> interrupts = procfs.interrupts() >>> usb_controllers = interrupts.find_by_user_regex(re.compile(".*hcd")) >>> print usb_controllers ['22', '23', '31'] >>> print [ interrupts[irq]["users"] for irq in usb_controllers ] [['ehci_hcd:usb4'], ['ehci_hcd:usb3'], ['xhci_hcd']] >>> R� ( R� R< R> R� RV ( R6 R� t irqsRL R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt find_by_user_regex� s ( RZ R[ R\ R8 R; R< R= R> R? R@ R� R� R� R� R� ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� s R c B sD e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s Parses the kernel command line (/proc/cmdline), turning it into a dictionary." Useful to figure out if some kernel boolean knob has been turned on, as well as to find the value associated to other kernel knobs. It can also be used to find out about parameters passed to the init process, such as 'BOOT_IMAGE', etc. E.g.: >>> import procfs >>> kcmd = procfs.cmdline() >>> print kcmd.keys() ['LANG', 'BOOT_IMAGE', 'quiet', 'rhgb', 'rd.lvm.lv', 'ro', 'root'] >>> print kcmd["BOOT_IMAGE"] /vmlinuz-4.3.0-rc1+ >>> c C s i | _ | j � d S( N( t optionst parse( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 � s c C s� t d � } xj | j � j � j � D]P } | j d � } t | � d k r` t | j | d <q% | d | j | d <q% W| j � d S( Ns /proc/cmdlineR� i i ( R� RB R RC RF RP R� RD ( R6 RJ t optionR9 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s c C s | j | S( N( R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; � s c C s | j j � S( N( R� R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< � s c C s | j j � S( N( R� R= ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= � s c C s | j S( N( R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR? � s ( RZ R[ R\ R8 R� R; R< R= R? ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR � s t cpuinfoc B sG e Z d Z d d � Z d � Z d � Z d � Z d � Z d � Z RS( s� Dictionary with information about CPUs in the system. Please refer to 'man procfs(5)' for further information about the '/proc/cpuinfo' file, that is the source of the information provided by this class. The 'man lscpu(1)' also has information about a program that uses the '/proc/cpuinfo' file. Using this class one can obtain the number of CPUs in a system: >>> cpus = procfs.cpuinfo() >>> print cpus.nr_cpus 4 It is also possible to figure out aspects of the CPU topology, such as how many CPU physical sockets exists, i.e. groups of CPUs sharing components such as CPU memory caches: >>> print len(cpus.sockets) 1 Additionally dictionary with information common to all CPUs in the system is available: >>> print cpus["model name"] Intel(R) Core(TM) i7-3667U CPU @ 2.00GHz >>> print cpus["cache size"] 4096 KB >>> s /proc/cpuinfoc C s, i | _ d | _ g | _ | j | � d S( Ni ( t tagsR� t socketsR� ( R6 t filename( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 � s c C s | j | j � S( N( R� t lower( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; � s c C s | j j � S( N( R� R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< s c C s | j j � S( N( R� R= ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= s c C s | j S( N( R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR? s c C s~ t | � } x� | j � D]� } | j � } t | � d k rC q n | j d � } | d j � j � } | d k r� | j d 7_ q n | d k r� q n | d j � | j | <| d k r | j | } | | j k r� | j j | � q� q q W| j � | j rt | j � pB| j d | j k r>t | j d � pAd | _ d | j k rjt | j d � pmd | j | _ d S( Ni R� R0 i s core ids physical idt siblingss cpu cores( R� R� R RF RC R� R� R� R� RV RD RI t nr_socketst nr_cores( R6 R� RJ R� R9 t tagnamet socket_id( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� s* 2( RZ R[ R\ R8 R; R< R= R? R� ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s t smaps_libc B s; e Z d Z d � Z d � Z d � Z d � Z d � Z RS( s^ Representation of an mmap in place for a process. Can be used to figure out which processes have an library mapped, etc. The 'perm' member can be used to figure out executable mmaps, i.e. libraries. The 'vm_start' and 'vm_end' in turn can be used when trying to resolve processor instruction pointer addresses to a symbol name in a library. c C s/ | d j � } t d � | d j d � � \ | _ | _ | d | _ t | d d � | _ | d j d � \ | _ | _ t | d � | _ t | � d k r� | d | _ n d | _ i | _ xd | d D]X } | j � } | d d j � } y t | d � | j | <Wq� | | j | <q� Xq� Wd S( Ni c S s t | d � S( Ni ( RI ( R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR - s t -i i i i R� i i i����( RC t mapt vm_startt vm_endt permsRI t offsett majort minort inodeRF R� R� R� R� ( R6 t linesR9 R� t tag( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 + s" + c C s | j | j � S( N( R� R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; @ s c C s | j j � S( N( R� R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< C s c C s | j j � S( N( R� R= ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= F s c C s | j S( N( R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR? I s ( RZ R[ R\ R8 R; R< R= R? ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� ! s t smapsc B sD e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z RS( sl List of libraries mapped by a process. Parses the lines in the /proc/PID/smaps file, that is further documented in the procfs(5) man page. Example: Listing the executable maps for the 'sshd' process: >>> import procfs >>> processes = procfs.pidstats() >>> sshd = processes.find_by_name("sshd") >>> sshd_maps = procfs.smaps(sshd[0]) >>> for i in range(len(sshd_maps)): ... if 'x' in sshd_maps[i].perms: ... print "%s: %s" % (sshd_maps[i].name, sshd_maps[i].perms) ... /usr/sbin/sshd: r-xp /usr/lib64/libnss_files-2.20.so: r-xp /usr/lib64/librt-2.20.so: r-xp /usr/lib64/libkeyutils.so.1.5: r-xp /usr/lib64/libkrb5support.so.0.1: r-xp /usr/lib64/libfreebl3.so: r-xp /usr/lib64/libpthread-2.20.so: r-xp ... c C s | | _ g | _ | j � d S( N( R t entriesR� ( R6 R ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 f s c C s� g } | s! | j � j � } n | s+ d S| j | � xW t r� | j � } | sW Pn | j � } | j � d d d k r� | j | � q; Pq; W| j j t | � � | S( Ni i����R� ( RB R RV RP RC R� R� ( R6 RJ R� R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� k s c C s t | j � S( N( RF R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt __len__~ s c C s | j | S( N( R� ( R6 t index( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; � s c C sb t d | j � } d } x& t rA | j | | � } | s Pq q W| j � t | j � | _ d S( Ns /proc/%d/smaps( R� R R� RP R� RD RF R� t nr_entries( R6 RJ R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s c C sj g } x] t | j � D]L } | j | j r | j | j j | � d k r | j | j | � q q W| S( Ni ( RH R� R� R� t findRV ( R6 t fragmentt resultRL ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt find_by_name_fragment� s ( RZ R[ R\ R8 R� R� R; R� R� ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� M s t cpustatc B s e Z d Z d � Z d � Z RS( s� CPU statistics, obtained from a line in the '/proc/stat' file, Please refer to 'man procfs(5)' for further information about the '/proc/stat' file, that is the source of the information provided by this class. c C s� | d | _ g | d d !D] } t | � ^ q \ | _ | _ | _ | _ | _ | _ | _ t | � d k r� t | d � | _ t | � d k r� t | d � | _ q� n d S( Ni i i i ( R� RI R� R t systemt idlet iowaitR� t softirqRF t stealt guest( R6 R9 RL ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 � s Pc C s� d | j | j | j | j | j | j | j f } t | d � rW | d | j 7} n t | d � rz | d | j 7} n | d S( NsL < user: %s, nice: %s, system: %s, idle: %s, iowait: %s, irq: %s, softirq: %sR� s , steal: %dR� s , guest: %dt >( R� R R� R� R� R� R� R� R� R� ( R6 t s( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt __repr__� s 1( RZ R[ R\ R8 R� ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s t cpusstatsc B sY e Z d Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s< Dictionary with information about CPUs in the system. First entry in the dictionary gives an aggregate view of all CPUs, each other entry is about separate CPUs. Please refer to 'man procfs(5)' for further information about the '/proc/stat' file, that is the source of the information provided by this class. s /proc/statc C s; i | _ d | _ t j d � | _ | | _ | j � d S( Ni ( R� R� t timeR� t sysconft hertzR� R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR8 � s c C s t | j � S( N( t iterR� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt __iter__� s c C s | j | S( N( R� ( R6 R� ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR; � s c C s t | j j � � S( N( RF R� R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s c C s | j j � S( N( R� R< ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR< � s c C s | j j � S( N( R� R= ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR= � s c C s | j S( N( R� ( R6 ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR? � s c C s� | j } i | _ t | j � } x� | j � D]� } | j � j � } | d d j � d k rf q. n t | � } | j d k r� d } n t | j d � d } | | j | <q. W| j � | j } t j � | _ | r�| j | } | | j } x� | j j � D]� } | | k r%d | _ qn | j | } | | } | j | j | j | j | j | j } | | d | _ | j d k rd | _ qqWn d S( Ni i R� i id ( R� R� R� R� R RC R� R� R� RI RD R� R� R< t usageR� R R� ( R6 t last_entriesRJ R� R9 t ct idxt last_timet delta_sect interval_hzR� t currt prevt delta( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s: ( RZ R[ R\ R8 R� R; R� R< R= R? R� ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyR� � s t __main__s %s: %ss cpuinfo data: %d processorss %s=%ss smaps: R� i( i s %#x %si t Sizes %s: %di ( ( ( ( ( ( ( ( ( ( ( s ----------(* R� R� R� t VERSIONR R R� R� R� R� R R� R� R� R� R� RZ t syst intsR< RL R� t oR� R� R� RI t argvR� RH R� R� R� R� R� R t pst csRP t sleepR� R� ( ( ( s1 /usr/lib/python2.7/site-packages/procfs/procfs.pyt <module> sR $ �K\��/I,J B '