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Yc @ s d d l Z d d l Z d d l Z d Z d Z d d' d YZ d d( d YZ d d) d YZ d
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d d0 d YZ d d1 d YZ e d k rd d l Z e Z x- e j j D] Z d e e j e f GHq5We
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e e j d! Z x: e e j D]) Z d" e j e j e j e j! f GHqWd d GHx' e j" e j d# D] Z# e# d$ GHqPWe Z$ e$ d! GHe Z% xO e& re j' d! e% j( x# e% D] Z d% e j! e j) f GHqWd2 GHqWn d S(3 iNs 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 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 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 | 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 >> 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 | 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 | >> 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 >> 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
| >> 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 iR ( 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.
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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
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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
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