ANN: psutil 5.9.0 released
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Giampaolo Rodola'
Dec 29, 2021, 4:36:28 PM12/29/21
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Hello all,
I'm glad to announce the release of psutil 5.9.0:
https://github.com/giampaolo/psutil
About
=====
psutil (process and system utilities) is a cross-platform library for retrieving information on running processes and system utilization (CPU, memory, disks, network) in Python. It is useful mainly for system monitoring, profiling and limiting process resources and management of running processes. It implements many functionalities offered by command line tools such as: ps, top, lsof, netstat, ifconfig, who, df, kill, free, nice, ionice, iostat, iotop, uptime, pidof, tty, taskset, pmap. It currently supports Linux, Windows, macOS, Sun Solaris, FreeBSD, OpenBSD, NetBSD and AIX, both 32-bit and 64-bit architectures. Supported Python versions are 2.6, 2.7 and 3.4+. PyPy is also known to work.
What's new
==========
2021-12-29
Enhancements
1851, [Linux]: cpu_freq() is slow on systems with many CPUs. Read current frequency values for all CPUs from /proc/cpuinfo instead of opening many files in /sys fs. (patch by marxin)
1992: NoSuchProcess message now specifies if the PID has been reused.
1992: error classes (NoSuchProcess, AccessDenied, etc.) now have a better formatted and separated __repr__ and __str__ implementations.
1996, [BSD]: add support for MidnightBSD. (patch by Saeed Rasooli)
1999, [Linux]: disk_partitions(): convert /dev/root device (an alias used on some Linux distros) to real root device path.
2005: PSUTIL_DEBUG mode now prints file name and line number of the debug messages coming from C extension modules.
2042: rewrite HISTORY.rst to use hyperlinks pointing to psutil API doc.
Bug fixes
1456, [macOS], [critical]: cpu_freq() min and max are set to 0 if can't be determined (instead of crashing).
1512, [macOS]: sometimes Process.connections() will crash with EOPNOTSUPP for one connection; this is now ignored.
1598, [Windows]: disk_partitions() only returns mountpoints on drives where it first finds one.
1874, [SunOS]: swap output error due to incorrect range.
1892, [macOS]: cpu_freq() broken on Apple M1.
1901, [macOS]: different functions, especially Process.open_files() and Process.connections(), could randomly raise AccessDenied because the internal buffer of proc_pidinfo(PROC_PIDLISTFDS) syscall was not big enough. We now dynamically increase the buffer size until it's big enough instead of giving up and raising AccessDenied, which was a fallback to avoid crashing.
1904, [Windows]: OpenProcess fails with ERROR_SUCCESS due to GetLastError() called after sprintf(). (patch by alxchk)
1913, [Linux]: wait_procs() should catch subprocess.TimeoutExpired exception.
1919, [Linux]: sensors_battery() can raise TypeError on PureOS.
1921, [Windows]: swap_memory() shows committed memory instead of swap.
1940, [Linux]: psutil does not handle ENAMETOOLONG when accessing process file descriptors in procfs. (patch by Nikita Radchenko)
1948, [critical]: memoize_when_activated decorator is not thread-safe. (patch by Xuehai Pan)
1953, [Windows], [critical]: disk_partitions() crashes due to insufficient buffer len. (patch by MaWe2019)
1965, [Windows], [critical]: fix "Fatal Python error: deallocating None" when calling users() multiple times.
1980, [Windows]: 32bit / WoW64 processes fails to read Process.name() longer than 128 characters resulting in AccessDenied. This is now fixed. (patch by PetrPospisil)
1991, [critical]: process_iter() is not thread safe and can raise TypeError if invoked from multiple threads.
1956, [macOS]: Process.cpu_times() reports incorrect timings on M1 machines. (patch by Olivier Dormond)
2023, [Linux]: cpu_freq() return order is wrong on systems with more than 9 CPUs.
I'm glad to announce the release of psutil 5.9.0:
https://github.com/giampaolo/psutil
About
=====
psutil (process and system utilities) is a cross-platform library for retrieving information on running processes and system utilization (CPU, memory, disks, network) in Python. It is useful mainly for system monitoring, profiling and limiting process resources and management of running processes. It implements many functionalities offered by command line tools such as: ps, top, lsof, netstat, ifconfig, who, df, kill, free, nice, ionice, iostat, iotop, uptime, pidof, tty, taskset, pmap. It currently supports Linux, Windows, macOS, Sun Solaris, FreeBSD, OpenBSD, NetBSD and AIX, both 32-bit and 64-bit architectures. Supported Python versions are 2.6, 2.7 and 3.4+. PyPy is also known to work.
What's new
==========
2021-12-29
Enhancements
1851, [Linux]: cpu_freq() is slow on systems with many CPUs. Read current frequency values for all CPUs from /proc/cpuinfo instead of opening many files in /sys fs. (patch by marxin)
1992: NoSuchProcess message now specifies if the PID has been reused.
1992: error classes (NoSuchProcess, AccessDenied, etc.) now have a better formatted and separated __repr__ and __str__ implementations.
1996, [BSD]: add support for MidnightBSD. (patch by Saeed Rasooli)
1999, [Linux]: disk_partitions(): convert /dev/root device (an alias used on some Linux distros) to real root device path.
2005: PSUTIL_DEBUG mode now prints file name and line number of the debug messages coming from C extension modules.
2042: rewrite HISTORY.rst to use hyperlinks pointing to psutil API doc.
Bug fixes
1456, [macOS], [critical]: cpu_freq() min and max are set to 0 if can't be determined (instead of crashing).
1512, [macOS]: sometimes Process.connections() will crash with EOPNOTSUPP for one connection; this is now ignored.
1598, [Windows]: disk_partitions() only returns mountpoints on drives where it first finds one.
1874, [SunOS]: swap output error due to incorrect range.
1892, [macOS]: cpu_freq() broken on Apple M1.
1901, [macOS]: different functions, especially Process.open_files() and Process.connections(), could randomly raise AccessDenied because the internal buffer of proc_pidinfo(PROC_PIDLISTFDS) syscall was not big enough. We now dynamically increase the buffer size until it's big enough instead of giving up and raising AccessDenied, which was a fallback to avoid crashing.
1904, [Windows]: OpenProcess fails with ERROR_SUCCESS due to GetLastError() called after sprintf(). (patch by alxchk)
1913, [Linux]: wait_procs() should catch subprocess.TimeoutExpired exception.
1919, [Linux]: sensors_battery() can raise TypeError on PureOS.
1921, [Windows]: swap_memory() shows committed memory instead of swap.
1940, [Linux]: psutil does not handle ENAMETOOLONG when accessing process file descriptors in procfs. (patch by Nikita Radchenko)
1948, [critical]: memoize_when_activated decorator is not thread-safe. (patch by Xuehai Pan)
1953, [Windows], [critical]: disk_partitions() crashes due to insufficient buffer len. (patch by MaWe2019)
1965, [Windows], [critical]: fix "Fatal Python error: deallocating None" when calling users() multiple times.
1980, [Windows]: 32bit / WoW64 processes fails to read Process.name() longer than 128 characters resulting in AccessDenied. This is now fixed. (patch by PetrPospisil)
1991, [critical]: process_iter() is not thread safe and can raise TypeError if invoked from multiple threads.
1956, [macOS]: Process.cpu_times() reports incorrect timings on M1 machines. (patch by Olivier Dormond)
2023, [Linux]: cpu_freq() return order is wrong on systems with more than 9 CPUs.
Links
=====
- Home page: https://github.com/giampaolo/psutil
- Download: https://pypi.org/project/psutil/#files
- Documentation: http://psutil.readthedocs.io
- What's new: https://github.com/giampaolo/psutil/blob/master/HISTORY.rst
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======
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--
Giampaolo - https://gmpy.dev/about
=====
- Home page: https://github.com/giampaolo/psutil
- Download: https://pypi.org/project/psutil/#files
- Documentation: http://psutil.readthedocs.io
- What's new: https://github.com/giampaolo/psutil/blob/master/HISTORY.rst
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--
Giampaolo - https://gmpy.dev/about
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