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https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/
commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773
We use this function also when "MemAvailable" returns 0 (possibly a
kernel bug, see: https://github.com/giampaolo/psutil/issues/1915).
In that case this routine matches "free" CLI tool result ("available"
column).
XXX: on recent kernels this calculation may differ by ~1.5% compared
to "MemAvailable:", as it's calculated slightly differently.
It is still way more realistic than doing (free + cached) though.
See:
* https://gitlab.com/procps-ng/procps/issues/42
* https://github.com/famzah/linux-memavailable-procfs/issues/2
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The returned values are supposed to match both "free" and "vmstat -s"
CLI tools.
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rÕ c C s^ t ƒ } t| ƒ td| ƒ}| ¡ ¡ }W 5 Q R X |dttjƒd … }dd„ |D ƒ}t|Ž S )zíReturn a named tuple representing the following system-wide
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rŒ r c S s g | ]}t |ƒt ‘qS r? ©ÚfloatÚ CLOCK_TICKSr r? r? r@ r¯ o s z cpu_times..)r rš r r“ r{ r” r’ Ú_fields)r– r— r˜ r™ r? r? r@ Ú cpu_timesc s rÚ c
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local endpoint/path, not the one it's connected to.
According to [1] it would be possible but not easily.
[1] http://serverfault.com/a/417946
c C s˜ dt jt jf}dt jt jf}dt jt jf}dt jt jf}dt jd f}|||||f||f|f|f||f|f|f|f||||f||f||fdœ | _d | _d S )NÚtcpÚtcp6ÚudpÚudp6Úunix) Úallr Útcp4r r
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rä tƒ sÞt‚n‚ Y nX t ||¡S ) a† Accept an "ip:port" address as displayed in /proc/net/*
and convert it into a human readable form, like:
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The IP address portion is a little or big endian four-byte
hexadecimal number; that is, the least significant byte is listed
first, so we need to reverse the order of the bytes to convert it
to an IP address.
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Reference:
http://linuxdevcenter.com/pub/a/linux/2000/11/16/LinuxAdmin.html
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|f||< q2|S )zsReturn network I/O statistics for every network interface
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ÿ ÿÿ ÿ
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„ Z dS )ÚRootFsDeviceFinderaF disk_partitions() may return partitions with device == "/dev/root"
or "rootfs". This container class uses different strategies to try to
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https://bootlin.com/blog/find-root-device/
https://www.systutorials.com/how-to-find-the-disk-where-root-is-on-in-bash-on-linux/.
ÚmajorÚminorc C s( t d¡j}t |¡| _t |¡| _d S )Nr† )ry rw Úst_devr‚ rƒ )r Údevr? r? r@ r ô s zRootFsDeviceFinder.__init__c
C sº t dtƒ ƒ¢}| ¡ dd … D ]Š}| ¡ }t|ƒdk r:q |d ¡ rRt|d ƒnd }|d ¡ rnt|d ƒnd }|d }|| jkr || jkr |r d| W 5 Q R £ S q W 5 Q R X d S )Nz
%s/partitionsr9 rÐ r r r: ú/dev/%s) r r r[ r{ r” Úisdigitr¸ r‚ rƒ )r r— r¾ r™ r‚ rƒ rŠ r? r? r@ Úask_proc_partitionsù s z&RootFsDeviceFinder.ask_proc_partitionsc
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r< r= r> rW Ú __slots__r rˆ rŠ r r r? r? r? r@ r ê s
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r² c sà t ƒ ‰ ‡ fdd„} dd„ t t¡D ƒ}|s.dS tj tt|ƒd ¡}| |d |d ƒ}| |d |d
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r t j} Y nX n.|dk rÌt|d ƒ} | dk rÒt j} nt j} t || |¡S ) a Return battery information.
Implementation note: it appears /sys/class/power_supply/BAT0/
directory structure may vary and provide files with the same
meaning but under different names, see:
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c sR | D ]H}t |ˆ d}|ˆ krzt|ƒW S tk
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þz#sensors_battery..Nr z /energy_nowz /charge_nowz
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C s¦ t | ¡sdS zpdtƒ | f }t|ƒP}|D ]8}| d¡r,t| ¡ d ƒ}|| k W 5 Q R £ W S q,td| ƒ‚W 5 Q R X W n" ttfk
r | t ƒ k Y S X dS )zcCheck for the existence of a unix PID. Linux TIDs are not
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rT Y qX | d¡}||d d… ¡ }t|d ƒ}|| |< q| S )zsObtain a {pid: ppid, ...} dict for all running processes in
one shot. Used to speed up Process.children().
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rË c s t ˆ ¡‡ fdd„ƒ}|S )zlDecorator which translates bare OSError and IOError exceptions
into NoSuchProcess and AccessDenied.
c s¤ zˆ | f|ž|ŽW S t k
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úÿÿzProcess.io_countersc C sh | ¡ }t|d ƒt }t|d ƒt }t|d ƒt }t|d ƒt }t|d ƒt }t|||||ƒS )Nrà râ rä rå rë )rì r× rØ rn )r r˜ rà râ rä rå rs r? r? r@ rÚ ‡ s zProcess.cpu_timesc C s t | ¡ d ƒS )zWhat CPU the process is on.ré ©r¸ rì rÛ r? r? r@ ré ‘ s zProcess.cpu_numNc C s t | j|| j¡S r) )r Zwait_pidr¥ rÍ )r Útimeoutr? r? r@ Úwait– s z Process.waitc C s& t | ¡ d ƒ}tptƒ }|t | S )Nrç )r× rì r rà rØ )r ÚctimeZbtr? r? r@ rç š s
zProcess.create_timec C s` t d| j| jf ƒ2}dd„ | ¡ ¡ d d… D ƒ\}}}}}}}W 5 Q R X t|||||||ƒS )Nz %s/%s/statmc s s | ]}t |ƒt V qd S r) )r¸ r¹ r r? r? r@ Ú ³ s z&Process.memory_info..rM )r r r¥ r“ r{ rc ) r r— Zvmsri rW ÚtextÚlibrŽ Zdirtyr? r? r@ Ú memory_info¥ s
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zProcess._parse_smaps_rollups \nPrivate.*:\s+(\d+)s \nPss\:\s+(\d+)s \nSwap\:\s+(\d+)c C sZ | ¡ }ttt| |¡ƒƒd }ttt| |¡ƒƒd }ttt| |¡ƒƒd }|||fS )Nr )rï rï r] r¸ Úfindall)r Z _private_reZ_pss_reZ_swap_reZ
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tuples. Fields are explained in 'man proc'; here is an updated
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/proc/{PID}/smaps does not exist on kernels < 2.6.14 or if
CONFIG_MMU kernel configuration option is not enabled.
c s s¦ i }| D ]Š}| d d¡}|d d¡s@| ¡ |fV | |¡ qz t|d ƒd ||d < W q tk
r |d d¡r€Y qn td| ƒ‚Y qX q| ¡ |fV d S )Né r rù r r s VmFlags:z#don't know how to interpret line %r)r{ r| Úpopr• r¸ rá r« )r^ Ú
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*zProcess._get_eligible_cpusc
C sª zt | j|¡ W n’ ttfk
r¤ } zpt|tƒs>|jtjkr’| ¡ }t t
t t ƒ ƒƒƒ}|D ]4}||krxtd||f ƒ‚||kr\td||f ƒ‚q\‚ W 5 d }~X Y nX d S )Nz(invalid CPU number %r; choose between %sz0CPU number %r is not eligible; choose between %s)
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