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Code Editor : procfs.cpython-36.pyc
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One can obtain the available fields by 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 @l �pidr �stateZppidZpgrpZsessionZtty_nrZtpgid�flagsZminfltZcminfltZmajfltZcmajflt�utimeZstimeZcutimeZcstimeZpriority�niceZ num_threadsZ itrealvalueZ starttimeZvsizeZrssZrlimZ startcodeZendcodeZ startstackZkstkespZkstkeip�signalZblockedZ sigignoreZsigcatchZwchanZnswapZcnswapZ exit_signal� processor� rt_priorityZpolicyZdelayacct_blkio_ticks�environ�/procc C s0 || _ y| j|� W n tk r* � Y nX d S )N)r �load�FileNotFoundError)�selfr �basedirr r r �__init__~ s zpidstat.__init__c C s | j | S )N)�fields)r+ � fieldnamer r r � __getitem__� s zpidstat.__getitem__c C s t | jj� �S )N)�listr. �keys)r+ r r r r2 � s z pidstat.keysc C s t | jj� �S )N)r1 r. �values)r+ r r r r3 � s zpidstat.valuesc C s || j kS )N)r. )r+ r/ r r r �has_key� s zpidstat.has_keyc C s | j S )N)r. )r+ r r r �items� s z pidstat.itemsc C s || j kS )N)r. )r+ r/ r r r � __contains__� s zpidstat.__contains__c C s� yt |� d| j� d��}W n tk r0 � Y nX |j� j� jd�}|j� |d jd�|d j� }i | _tt |�t | j ��}xft |�D ]Z}| j | }|| }|dkr�|jd�| jd< q�yt |�| j|< W q� || j|< Y q�X q�W d S ) N�/z/statz) r z (r r z()) �openr r* �readliner �split�closer. �min�len�proc_stat_fieldsr �int)r+ r, �fr. � nr_fields�iZattrname�valuer r r r) � s$ z pidstat.loadc C s t | jd | j@ �S )z� Returns true if this process has a fixed smp affinity mask, not allowing it to be moved to a different set of CPUs. r! )r r. �PF_THREAD_BOUND)r+ r r r �is_bound_to_cpu� s zpidstat.is_bound_to_cpuc C sN g }xDt | �D ]8}|dd� dkr$qt| |�}|| jd @ r|j|� qW |S )a� 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 N� ZPF_r! )�dir�getattrr. �append)r+ Zsflags�attrrC r r r � process_flags� s & zpidstat.process_flagsN)r( )r( )3�__name__� __module__� __qualname__�__doc__Z PF_ALIGNWARNZ PF_STARTINGZ PF_EXITINGZ PF_EXITPIDONEZPF_VCPUZ PF_WQ_WORKERZ PF_FORKNOEXECZPF_MCE_PROCESSZ PF_SUPERPRIVZ PF_DUMPCOREZ PF_SIGNALEDZ PF_MEMALLOCZPF_NPROC_EXCEEDEDZ PF_FLUSHERZ PF_USED_MATHZ PF_USED_ASYNCZ PF_NOFREEZEZ PF_FROZENZ PF_FSTRANSZ PF_KSWAPDZPF_MEMALLOC_NOIOZ PF_SWAPOFFZPF_LESS_THROTTLEZ PF_KTHREADZ PF_RANDOMIZEZ PF_SWAPWRITEZPF_SPREAD_PAGEZPF_SPREAD_SLABrD �PF_NO_SETAFFINITYZ PF_MCE_EARLYZ PF_MEMPOLICYZPF_MUTEX_TESTERZPF_FREEZER_SKIPZPF_FREEZER_NOSIGZPF_SUSPEND_TASKr> r- r0 r2 r3 r4 r5 r6 r) rE rK r r r r r * st r c C s2 d}y t t| j| d d �|@ �S dS d S )Ni r r! T)r r? � processes)r+ r rP r r r �cannot_set_affinity� s rR c C s8 d}y$t t| j| j| d d �|@ �S dS d S )Ni r r! T)r r? rQ �threads)r+ r �tidrP r r r �cannot_set_thread_affinity� s rU c @ sT e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z ddd�Z dS )� pidstatusa 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 by 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. �/procc C s || _ | j|� d S )N)r r) )r+ r r, r r r r- ! s zpidstatus.__init__c C s | j | S )N)r. )r+ r/ r r r r0 % s zpidstatus.__getitem__c C s t | jj� �S )N)r1 r. r2 )r+ r r r r2 ( s zpidstatus.keysc C s t | jj� �S )N)r1 r. r3 )r+ r r r r3 + s zpidstatus.valuesc C s || j kS )N)r. )r+ r/ r r r r4 . s zpidstatus.has_keyc C s | j S )N)r. )r+ r r r r5 1 s zpidstatus.itemsc C s || j kS )N)r. )r+ r/ r r r r6 4 s zpidstatus.__contains__c C s� i | _ t|� d| j� d���n}xf|j� D ]Z}|jd�}t|�dkrDq(|d }|d j� }yt|�| j |< W q( || j |< Y q(X q(W W d Q R X d S )Nr7 z/status�:r r r )r. r8 r � readlinesr: r= r r? )r+ r, r@ �liner. �namerC r r r r) 7 s zpidstatus.loadN)rW )rW ) rL rM rN rO r- r0 r2 r3 r4 r5 r6 r) r r r r rV � s & rV c @ sR e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dS )�processa+ 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. �/procc C s || _ || _d S )N)r r, )r+ r r, r r r r- N s zprocess.__init__c C s� t | |�s�|dkrX|dkr t}nt}yt| ||| j| j�� W q� tk rT � Y q�X nF|dkrj| j� n4|dkr|| j� n"|dkr�| j � n|dkr�| j � t | |�S )Nr �statusr rS �cgroupsr' )r r^ ) �hasattrr rV �setattrr r, r* � load_cmdline� load_threads� load_cgroups� load_environrH )r+ rJ Zsclassr r r r0 R s$ zprocess.__getitem__c C s t | |�S )N)r` )r+ rJ r r r r4 j s zprocess.has_keyc C s t | |�S )N)r` )r+ rJ r r r r6 m s zprocess.__contains__c C sv y>t d| j� d���"}|j� j� jd�d d� | _W d Q R X W n2 tk rX d | _Y n tk rp d | _Y nX d S )Nz/proc/z/cmdline� r ���)r8 r r9 r r: r r* �UnicodeDecodeError)r+ r@ r r r rb p s * zprocess.load_cmdlinec C s" t d| j� d��| _| j| j= d S )Nz/proc/z/task/)�pidstatsr rS )r+ r r r rc { s zprocess.load_threadsc C st d| _ td| j� d���R}xJt|j� �D ]:}t| j �dkrT| j d |d d� | _ q(|d d� | _ q(W W d Q R X d S ) N� z/proc/z/cgroupr �,r rg rg )r_ r8 r �reversedrY r= )r+ r@ rZ r r r rd � s zprocess.load_cgroupsc C sh i | _ td| j� d���F}x>|j� jd�D ],}t|�dkr*|jd�}|d | j |d < q*W W dQ R X dS )aD 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 >>> z/proc/z/environrf r �=r N)r' r8 r r9 r: r= )r+ r@ �x�yr r r re � s zprocess.load_environN)r] ) rL rM rN rO r- r0 r4 r6 rb rc rd re r r r r r\ F s r\ c @ s� e Zd ZdZd$dd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#S )%ri a# Provides access to all the processes in the system, to get a picture of how many processes there are at any given moment. The entries can be accessed as a dictionary, keyed by pid. Also there are methods to find processes that match a given COMM or regular expression. �/procc C s || _ i | _| j� d S )N)r, rQ �reload)r+ r, r r r r- � s zpidstats.__init__c C s | j | S )N)rQ )r+ �keyr r r r0 � s zpidstats.__getitem__c C s y | j |= W n Y nX d S )N)rQ )r+ rr r r r � __delitem__� s zpidstats.__delitem__c C s t | jj� �S )N)r1 rQ r2 )r+ r r r r2 � s z pidstats.keysc C s t | jj� �S )N)r1 rQ r3 )r+ r r r r3 � s zpidstats.valuesc C s || j kS )N)rQ )r+ rr r r r r4 � s zpidstats.has_keyc C s | j S )N)rQ )r+ r r r r5 � s zpidstats.itemsc C s || j kS )N)rQ )r+ rr r r r r6 � s zpidstats.__contains__c C sV | ` i | _ tj| j�}x:|D ]2}y t|�}W n w Y nX t|| j�| j |< q W dS )a' This operation will throw away the current dictionary contents, if any, and read all the pid files from /proc/, instantiating a 'process' instance for each of them. This is a high overhead operation, and should be avoided if the perf python binding can be used to detect when new threads appear and existing ones terminate. In RHEL it is found in the python-perf rpm package. More information about the perf facilities can be found in the 'perf_event_open' man page. N)rQ �os�listdirr, r? r\ )r+ �pidsZspidr r r r rq � s zpidstats.reloadc C sh g }xHt | jj� �D ]6}y| j| j� W q tk rH |j|� Y qX qW x|D ] }| j|= qTW d S )N)r1 rQ r2 rc �OSErrorrI )r+ Z to_remover r r r �reload_threads� s zpidstats.reload_threadsc C sn |d d� }g }xXt | jj� �D ]F}y$|| j| d d krF|j|� W q tk rd | j|= Y q X q W |S )N� r r )r1 rQ r2 rI �IOError)r+ r[ rv r r r r � find_by_name� s zpidstats.find_by_namec C sd g }xZt | jj� �D ]H}y&|j| j| d d �r<|j|� W q tk rZ | j|= Y qX qW |S )Nr r )r1 rQ r2 �matchrI rz )r+ �regexrv r r r r � find_by_regex s zpidstats.find_by_regexc C s` g }xVt | jj� �D ]D}y"|jt| j| ��r8|j|� W q tk rV | j|= Y qX qW |S )N)r1 rQ r2 r| r rI rz )r+ r} rv r r r r �find_by_cmdline_regex s z pidstats.find_by_cmdline_regexc s� d}d}g � x�|� d|� �}| j |�}| sFt� fdd�|D ��dkrHP xF|D ]>}y || j| d d � 7 }W qN tk r� | j|= Y qNX qNW � |7 � |d7 }qW |jd �}|S ) Nr rj r7 c s g | ]}|� kr|�qS r r )�.0�n)�processed_pidsr r � <listcomp>' s z0pidstats.get_per_cpu_rtprios.<locals>.<listcomp>r r& r rk )r{ r= rQ rz r )r+ �basename�cpu� prioritiesr[ rv r r )r� r �get_per_cpu_rtprios s" z pidstats.get_per_cpu_rtpriosc s� d}d}g � x�| j |�}| s8t� fdd�|D ��dkr:P xF|D ]>}y || j| d d � 7 }W q@ tk r| | j|= Y q@X q@W � |7 � |d7 }qW |jd�}|S ) Nr rj c s g | ]}|� kr|�qS r r )r� r� )r� r r r� = s z(pidstats.get_rtprios.<locals>.<listcomp>r r& r rk )r{ r= rQ rz r )r+ r[ r� r� rv r r )r� r � get_rtprios7 s zpidstats.get_rtpriosc C s | j | d j� S )zQ Checks if a given pid can't have its SMP affinity mask changed. r )rQ rE )r+ r r r r rE M s zpidstats.is_bound_to_cpuN)rp )rL rM rN rO r- r0 rs r2 r3 r4 r5 r6 rq rx r{ r~ r r� r� rE r r r r ri � s" ri c @ sp e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� ZdS )� interruptsam 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� rq )r+ r r r r- m s zinterrupts.__init__c C s | j t|� S )N)r� �str)r+ rr r r r r0 q s zinterrupts.__getitem__c C s t | jj� �S )N)r1 r� r2 )r+ r r r r2 t s zinterrupts.keysc C s t | jj� �S )N)r1 r� r3 )r+ r r r r3 w s zinterrupts.valuesc C s t |�| jkS )N)r� r� )r+ rr r r r r4 z s zinterrupts.has_keyc C s | j S )N)r� )r+ r r r r5 } s zinterrupts.itemsc C s t |�| jkS )N)r� r� )r+ rr r r r r6 � s zinterrupts.__contains__c C s� | ` i | _ td���}x�|j� D ]�}|j� }|j� }|d d d� dkrRt|�| _q |d jd�}i | j |< | j|dd � |�| j |< y t|�}W n w Y nX | j |�| j | d< q W W d Q R X d S )Nz/proc/interruptsr rF ZCPUrX r Zaffinity) r� r8 rY r r: r= �nr_cpus� parse_entryr? �parse_affinity)r+ r@ rZ r. �irqZnirqr r r rq � s" zinterrupts.reloadc C s� i }g |d< |d j t|d �� t|�}|| jkr�|d dd� |d| j� D �7 < || jkr�|| j |d< || jd kr�dd� ||d jd�D �|d < ng |d < |S ) Nr� r c S s g | ] }t |��qS r )r? )r� rB r r r r� � s z*interrupts.parse_entry.<locals>.<listcomp>r �typec S s g | ] }|j � �qS r )r )r� r r r r r� � s rk �users)rI r? r= r� r: )r+ r. rZ �dictrA r r r r� � s $ zinterrupts.parse_entryc C sL y0t d|� d���}|j� }W d Q R X t|| j�S tk rF dgS X d S )Nz /proc/irq/z /smp_affinityr )r8 r9 r r� rz )r+ r� r@ rZ r r r r� � s zinterrupts.parse_affinityc C s@ x:t | jj� �D ](}d| j| kr|| j| d kr|S qW dS )a� 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)r1 r� r2 )r+ �userrB r r r � find_by_user� s zinterrupts.find_by_userc C s^ g }xTt | jj� �D ]B}d| j| kr(qx,| j| d D ]}|j|�r8|j|� P q8W qW |S )a� 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� )r1 r� r2 r| rI )r+ r} ZirqsrB r� r r r �find_by_user_regex� s z interrupts.find_by_user_regexN)rL rM rN rO r- r0 r2 r3 r4 r5 r6 rq r� r� r� r� r r r r r� T s r� c @ s@ e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dS )r a9 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)�options�parse)r+ r r r r- � s zcmdline.__init__c C sj t d��X}xP|j� j� j� D ]<}|jd�}t|�dkrFd| j|d < q |d | j|d < q W W d Q R X d S )Nz /proc/cmdlinerm r Tr )r8 r9 r r: r= r� )r+ r@ Zoptionr. r r r r� � s z cmdline.parsec C s | j | S )N)r� )r+ rr r r r r0 s zcmdline.__getitem__c C s t | jj� �S )N)r1 r� r2 )r+ r r r r2 s z cmdline.keysc C s t | jj� �S )N)r1 r� r3 )r+ r r r r3 s zcmdline.valuesc C s | j S )N)r� )r+ r r r r5 s z cmdline.itemsN) rL rM rN rO r- r� r0 r2 r3 r5 r r r r r � s r c @ sB e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dS )�cpuinfoa� 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 >>> � /proc/cpuinfoc C s i | _ d| _g | _| j|� d S )Nr )�tagsr� �socketsr� )r+ �filenamer r r r- . s zcpuinfo.__init__c C s | j |j� S )N)r� �lower)r+ rr r r r r0 4 s zcpuinfo.__getitem__c C s t | jj� �S )N)r1 r� r2 )r+ r r r r2 7 s z cpuinfo.keysc C s t | jj� �S )N)r1 r� r3 )r+ r r r r3 : s zcpuinfo.valuesc C s | j S )N)r� )r+ r r r r5 = s z cpuinfo.itemsc C s( t |���}x�|j� D ]�}|j� }|s&q|jd�}|d j� j� }|dkrX| jd7 _qt� rv|dkrv| jd7 _q|dkr�q|d j� | j|< |dkr| j| }|| jkr| jj |� qW W d Q R X | jr�t | j�p�| jd| jkr�t | jd �p�d | _ d | jk�rt | jd ��pd| j | _ d S ) NrX r r% r z cpu numberzcore idz physical idZsiblingsz cpu cores)r8 rY r r: r� r� r r� r� rI r= r? Z nr_socketsZnr_cores)r+ r� r@ rZ r. ZtagnameZ socket_idr r r r� @ s2 z cpuinfo.parseN)r� ) rL rM rN rO r- r0 r2 r3 r5 r� r r r r r� s r� c @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) � smaps_libat 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 � }dd� |d j d�D �\| _| _|d | _t|d d�| _|d j d �\| _| _t|d �| _t |�d kr�|d | _ nd | _ i | _ x^|dd � D ]N}|j � }|d d d � j � }yt|d �| j |< W q� || j |< Y q�X q�W d S ) Nr c S s g | ]}t |d ��qS )r )r? )r� r r r r r� j s z&smaps_lib.__init__.<locals>.<listcomp>�-r r r rF rX r � rg ) r: �vm_startZvm_endZpermsr? �offset�major�minor�inoder= r[ r� r� )r+ �linesr. rZ �tagr r r r- h s" zsmaps_lib.__init__c C s | j |j� S )N)r� r� )r+ rr r r r r0 } s zsmaps_lib.__getitem__c C s t | jj� �S )N)r1 r� r2 )r+ r r r r2 � s zsmaps_lib.keysc C s t | jj� �S )N)r1 r� r3 )r+ r r r r3 � s zsmaps_lib.valuesc C s | j S )N)r� )r+ r r r r5 � s zsmaps_lib.itemsN) rL rM rN rO r- r0 r2 r3 r5 r r r r r� \ s r� c @ s@ e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dS )�smapsa~ 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 �entriesrq )r+ r r r r r- � s zsmaps.__init__c C sx g }|s|j � j� }|s d S |j|� x<|j � }|s6P |j� }|j� d d dkr^|j|� q(P q(W | jjt|�� |S )Nr r rX rg )r9 r rI r: r� r� )r+ r@ rZ r� r r r r� � s zsmaps.parse_entryc C s t | j�S )N)r= r� )r+ r r r �__len__� s z smaps.__len__c C s | j | S )N)r� )r+ �indexr r r r0 � s zsmaps.__getitem__c C sJ d }t d| j� d��� }x| j||�}|sP qW W d Q R X t| j�| _d S )Nz/proc/z/smaps)r8 r r� r= r� � nr_entries)r+ rZ r@ r r r rq � s z smaps.reloadc C sN g }xDt | j�D ]6}| j| jr| j| jj|�dkr|j| j| � qW |S )Nr )r r� r� r[ �findrI )r+ Zfragment�resultrB r r r �find_by_name_fragment� s zsmaps.find_by_name_fragmentN) rL rM rN rO r- r� r� r0 rq r� r r r r r� � s r� c @ s e Zd ZdZdd� Zdd� ZdS )�cpustatz� 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 st |d | _ dd� |dd� D �\| _| _| _| _| _| _| _t|�dkrpt |d �| _ t|�dkrpt |d �| _ d S )Nr c S s g | ] }t |��qS r )r? )r� rB r r r r� � s z$cpustat.__init__.<locals>.<listcomp>r r � ) r[ r� r# �system�idle�iowaitr� �softirqr= r? �steal�guest)r+ r. r r r r- � s 2 zcpustat.__init__c C sx d| j � d| j� d| j� d| j� d| j� d| j� d| j� �}t| d�rV|d | j� �7 }t| d �rp|d | j � �7 }|d S ) Nz< user: z, nice: z , system: z, idle: z , iowait: z, irq: z , softirq: r� z , steal: r� z , guest: �>) r� r# r� r� r� r� r� r` r� r� )r+ �sr r r �__repr__� s < zcpustat.__repr__N)rL rM rN rO r- r� r r r r r� � s r� c @ sR e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dS )� cpusstatsaN 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. � /proc/statc C s* i | _ d | _tjd�| _|| _| j� d S )Nr )r� �timert �sysconf�hertzr� rq )r+ r� r r r r- � s zcpusstats.__init__c C s t | j�S )N)�iterr� )r+ r r r �__iter__ s zcpusstats.__iter__c C s | j | S )N)r� )r+ rr r r r r0 s zcpusstats.__getitem__c C s t t| jj� ��S )N)r= r1 r� r2 )r+ r r r r� s zcpusstats.__len__c C s t | jj� �S )N)r1 r� r2 )r+ r r r r2 s zcpusstats.keysc C s t | jj� �S )N)r1 r� r3 )r+ r r r r3 s zcpusstats.valuesc C s | j S )N)r� )r+ r r r r5 s zcpusstats.itemsc C s: | j }i | _ t| j��v}xn|j� D ]b}|j� j� }|d d d� j� dkrLq"t|�}|jdkrdd}nt |jdd � �d }|| j |< q"W W d Q R X | j }t j � | _ |�r6| j | }|| j } xxt | j j � �D ]f} | |kr�d| _q�| j | } || } | j| j | j| j | j| j } | | d | _t| jd�| _q�W d S )Nr rF r� r �d )r� r8 r� rY r r: r� r� r[ r? r� r� r1 r2 Zusager� r# r� r< )r+ Z last_entriesr@ rZ r. �c�idxZ last_timeZ delta_secZ interval_hzr� Zcurr�prevZdeltar r r rq s6 zcpusstats.reloadN)r� ) rL rM rN rO r- r� r0 r� r2 r3 r5 rq r r r r r� � s r� �__main__z: z cpuinfo data: z processorsrm zsmaps: r� �( r z#x� r ZSize� z ----------)3rt r r r� � functoolsr Z six.movesr Zprocfs.utilistr �VERSIONr r r rR rU rV r\ ri r� r r� r� r� r� r� rL �sysZintsr1 r2 rB �printr� �or� r� r� r? �argvr� r� r� r� r[ r� r ZpsZcsZsleeprq r r r r �<module> sj > Me * .N.K B *
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