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gecko-dev/python/psutil/HISTORY

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Bug tracker at http://code.google.com/p/psutil/issues
0.7.1 - 2013-05-03
------------------
BUG FIXES:
* #325: [BSD] psutil.virtual_memory() can raise SystemError.
(patch by Jan Beich)
* #370: [BSD] Process.get_connections() requires root. (patch by John Baldwin)
* #372: [BSD] different process methods raise NoSuchProcess instead of
AccessDenied.
0.7.0 - 2013-04-12
------------------
NEW FEATURES
* #233: code migrated to Mercurial (yay!)
* #246: psutil.error module is deprecated and scheduled for removal.
* #328: [Windows] process IO nice/priority support.
* #359: psutil.get_boot_time()
* #361: [Linux] psutil.cpu_times() now includes new 'steal', 'guest' and
'guest_nice' fields available on recent Linux kernels.
Also, psutil.cpu_percent() is more accurate.
* #362: cpu_times_percent() (per-CPU-time utilization as a percentage)
BUG FIXES
* #234: [Windows] disk_io_counters() fails to list certain disks.
* #264: [Windows] use of psutil.disk_partitions() may cause a message box to
appear.
* #313: [Linux] psutil.virtual_memory() and psutil.swap_memory() can crash on
certain exotic Linux flavors having an incomplete /proc interface.
If that's the case we now set the unretrievable stats to 0 and raise a
RuntimeWarning.
* #315: [OSX] fix some compilation warnings.
* #317: [Windows] cannot set process CPU affinity above 31 cores.
* #319: [Linux] process get_memory_maps() raises KeyError 'Anonymous' on Debian
squeeze.
* #321: [UNIX] Process.ppid property is no longer cached as the kernel may set
the ppid to 1 in case of a zombie process.
* #323: [OSX] disk_io_counters()'s read_time and write_time parameters were
reporting microseconds not milliseconds. (patch by Gregory Szorc)
* #331: Process cmdline is no longer cached after first acces as it may change.
* #333: [OSX] Leak of Mach ports on OS X (patch by rsesek@google.com)
* #337: [Linux] process methods not working because of a poor /proc
implementation will raise NotImplementedError rather than RuntimeError
and Process.as_dict() will not blow up. (patch by Curtin1060)
* #338: [Linux] disk_io_counters() fails to find some disks.
* #339: [FreeBSD] get_pid_list() can allocate all the memory on system.
* #341: [Linux] psutil might crash on import due to error in retrieving system
terminals map.
* #344: [FreeBSD] swap_memory() might return incorrect results due to
kvm_open(3) not being called. (patch by Jean Sebastien)
* #338: [Linux] disk_io_counters() fails to find some disks.
* #351: [Windows] if psutil is compiled with mingw32 (provided installers for
py2.4 and py2.5 are) disk_io_counters() will fail. (Patch by m.malycha)
* #353: [OSX] get_users() returns an empty list on OSX 10.8.
* #356: Process.parent now checks whether parent PID has been reused in which
case returns None.
* #365: Process.set_nice() should check PID has not been reused by another
process.
* #366: [FreeBSD] get_memory_maps(), get_num_fds(), get_open_files() and
getcwd() Process methods raise RuntimeError instead of AccessDenied.
API CHANGES
* Process.cmdline property is no longer cached after first access.
* Process.ppid property is no longer cached after first access.
* [Linux] Process methods not working because of a poor /proc implementation
will raise NotImplementedError instead of RuntimeError.
* psutil.error module is deprecated and scheduled for removal.
0.6.1 - 2012-08-16
------------------
NEW FEATURES
* #316: process cmdline property now makes a better job at guessing the process
executable from the cmdline.
BUG FIXES
* #316: process exe was resolved in case it was a symlink.
* #318: python 2.4 compatibility was broken.
API CHANGES
* process exe can now return an empty string instead of raising AccessDenied.
* process exe is no longer resolved in case it's a symlink.
0.6.0 - 2012-08-13
------------------
NEW FEATURES
* #216: [POSIX] get_connections() UNIX sockets support.
* #220: [FreeBSD] get_connections() has been rewritten in C and no longer
requires lsof.
* #222: [OSX] add support for process cwd.
* #261: process extended memory info.
* #295: [OSX] process executable path is now determined by asking the OS
instead of being guessed from process cmdline.
* #297: [OSX] the Process methods below were always raising AccessDenied for
any process except the current one. Now this is no longer true. Also
they are 2.5x faster.
- name
- get_memory_info()
- get_memory_percent()
- get_cpu_times()
- get_cpu_percent()
- get_num_threads()
* #300: examples/pmap.py script.
* #301: process_iter() now yields processes sorted by their PIDs.
* #302: process number of voluntary and involuntary context switches.
* #303: [Windows] the Process methods below were always raising AccessDenied
for any process not owned by current user. Now this is no longer true:
- create_time
- get_cpu_times()
- get_cpu_percent()
- get_memory_info()
- get_memory_percent()
- get_num_handles()
- get_io_counters()
* #305: add examples/netstat.py script.
* #311: system memory functions has been refactorized and rewritten and now
provide a more detailed and consistent representation of the system
memory. New psutil.virtual_memory() function provides the following
memory amounts:
- total
- available
- percent
- used
- active [POSIX]
- inactive [POSIX]
- buffers (BSD, Linux)
- cached (BSD, OSX)
- wired (OSX, BSD)
- shared [FreeBSD]
New psutil.swap_memory() provides:
- total
- used
- free
- percent
- sin (no. of bytes the system has swapped in from disk (cumulative))
- sout (no. of bytes the system has swapped out from disk (cumulative))
All old memory-related functions are deprecated.
Also two new example scripts were added: free.py and meminfo.py.
* #312: psutil.network_io_counters() namedtuple includes 4 new fields:
errin, errout dropin and dropout, reflecting the number of packets
dropped and with errors.
BUGFIXES
* #298: [OSX and BSD] memory leak in get_num_fds().
* #299: potential memory leak every time PyList_New(0) is used.
* #303: [Windows] potential heap corruption in get_num_threads() and
get_status() Process methods.
* #305: [FreeBSD] psutil can't compile on FreeBSD 9 due to removal of utmp.h.
* #306: at C level, errors are not checked when invoking Py* functions which
create or manipulate Python objects leading to potential memory related
errors and/or segmentation faults.
* #307: [FreeBSD] values returned by psutil.network_io_counters() are wrong.
* #308: [BSD / Windows] psutil.virtmem_usage() wasn't actually returning
information about swap memory usage as it was supposed to do. It does
now.
* #309: get_open_files() might not return files which can not be accessed
due to limited permissions. AccessDenied is now raised instead.
API CHANGES
* psutil.phymem_usage() is deprecated (use psutil.virtual_memory())
* psutil.virtmem_usage() is deprecated (use psutil.swap_memory())
* psutil.phymem_buffers() on Linux is deprecated (use psutil.virtual_memory())
* psutil.cached_phymem() on Linux is deprecated (use psutil.virtual_memory())
* [Windows and BSD] psutil.virtmem_usage() now returns information about swap
memory instead of virtual memory.
0.5.1 - 2012-06-29
------------------
NEW FEATURES
* #293: [Windows] process executable path is now determined by asking the OS
instead of being guessed from process cmdline.
BUGFIXES
* #292: [Linux] race condition in process files/threads/connections.
* #294: [Windows] Process CPU affinity is only able to set CPU #0.
0.5.0 - 2012-06-27
------------------
NEW FEATURES
* #195: [Windows] number of handles opened by process.
* #209: psutil.disk_partitions() now provides also mount options.
* #229: list users currently connected on the system (psutil.get_users()).
* #238: [Linux, Windows] process CPU affinity (get and set).
* #242: Process.get_children(recursive=True): return all process
descendants.
* #245: [POSIX] Process.wait() incrementally consumes less CPU cycles.
* #257: [Windows] removed Windows 2000 support.
* #258: [Linux] Process.get_memory_info() is now 0.5x faster.
* #260: process's mapped memory regions. (Windows patch by wj32.64, OSX patch
by Jeremy Whitlock)
* #262: [Windows] psutil.disk_partitions() was slow due to inspecting the
floppy disk drive also when "all" argument was False.
* #273: psutil.get_process_list() is deprecated.
* #274: psutil no longer requires 2to3 at installation time in order to work
with Python 3.
* #278: new Process.as_dict() method.
* #281: ppid, name, exe, cmdline and create_time properties of Process class
are now cached after being accessed.
* #282: psutil.STATUS_* constants can now be compared by using their string
representation.
* #283: speedup Process.is_running() by caching its return value in case the
process is terminated.
* #284: [POSIX] per-process number of opened file descriptors.
* #287: psutil.process_iter() now caches Process instances between calls.
* #290: Process.nice property is deprecated in favor of new get_nice() and
set_nice() methods.
BUGFIXES
* #193: psutil.Popen constructor can throw an exception if the spawned process
terminates quickly.
* #240: [OSX] incorrect use of free() for Process.get_connections().
* #244: [POSIX] Process.wait() can hog CPU resources if called against a
process which is not our children.
* #248: [Linux] psutil.network_io_counters() might return erroneous NIC names.
* #252: [Windows] process getcwd() erroneously raise NoSuchProcess for
processes owned by another user. It now raises AccessDenied instead.
* #266: [Windows] psutil.get_pid_list() only shows 1024 processes.
(patch by Amoser)
* #267: [OSX] Process.get_connections() - an erroneous remote address was
returned. (Patch by Amoser)
* #272: [Linux] Porcess.get_open_files() - potential race condition can lead to
unexpected NoSuchProcess exception. Also, we can get incorrect reports
of not absolutized path names.
* #275: [Linux] Process.get_io_counters() erroneously raise NoSuchProcess on
old Linux versions. Where not available it now raises
NotImplementedError.
* #286: Process.is_running() doesn't actually check whether PID has been
reused.
* #314: Process.get_children() can sometimes return non-children.
API CHANGES
* Process.nice property is deprecated in favor of new get_nice() and set_nice()
methods.
* psutil.get_process_list() is deprecated.
* ppid, name, exe, cmdline and create_time properties of Process class are now
cached after being accessed, meaning NoSuchProcess will no longer be raised
in case the process is gone in the meantime.
* psutil.STATUS_* constants can now be compared by using their string
representation.
0.4.1 - 2011-12-14
------------------
BUGFIXES
* #228: some example scripts were not working with python 3.
* #230: [Windows / OSX] memory leak in Process.get_connections().
* #232: [Linux] psutil.phymem_usage() can report erroneous values which are
different than "free" command.
* #236: [Windows] memory/handle leak in Process's get_memory_info(),
suspend() and resume() methods.
0.4.0 - 2011-10-29
------------------
NEW FEATURES
* #150: network I/O counters. (OSX and Windows patch by Jeremy Whitlock)
* #154: [FreeBSD] add support for process getcwd()
* #157: [Windows] provide installer for Python 3.2 64-bit.
* #198: Process.wait(timeout=0) can now be used to make wait() return
immediately.
* #206: disk I/O counters. (OSX and Windows patch by Jeremy Whitlock)
* #213: examples/iotop.py script.
* #217: Process.get_connections() now has a "kind" argument to filter
for connections with different criteria.
* #221: [FreeBSD] Process.get_open_files has been rewritten in C and no longer
relies on lsof.
* #223: examples/top.py script.
* #227: examples/nettop.py script.
BUGFIXES
* #135: [OSX] psutil cannot create Process object.
* #144: [Linux] no longer support 0 special PID.
* #188: [Linux] psutil import error on Linux ARM architectures.
* #194: [POSIX] psutil.Process.get_cpu_percent() now reports a percentage over
100 on multicore processors.
* #197: [Linux] Process.get_connections() is broken on platforms not supporting
IPv6.
* #200: [Linux] psutil.NUM_CPUS not working on armel and sparc architectures
and causing crash on module import.
* #201: [Linux] Process.get_connections() is broken on big-endian
architectures.
* #211: Process instance can unexpectedly raise NoSuchProcess if tested for
equality with another object.
* #218: [Linux] crash at import time on Debian 64-bit because of a missing line
in /proc/meminfo.
* #226: [FreeBSD] crash at import time on FreeBSD 7 and minor.
0.3.0 - 2011-07-08
------------------
NEW FEATURES
* #125: system per-cpu percentage utilization and times.
* #163: per-process associated terminal (TTY).
* #171: added get_phymem() and get_virtmem() functions returning system
memory information (total, used, free) and memory percent usage.
total_* avail_* and used_* memory functions are deprecated.
* #172: disk usage statistics.
* #174: mounted disk partitions.
* #179: setuptools is now used in setup.py
BUGFIXES
* #159: SetSeDebug() does not close handles or unset impersonation on return.
* #164: [Windows] wait function raises a TimeoutException when a process
returns -1 .
* #165: process.status raises an unhandled exception.
* #166: get_memory_info() leaks handles hogging system resources.
* #168: psutil.cpu_percent() returns erroneous results when used in
non-blocking mode. (patch by Philip Roberts)
* #178: OSX - Process.get_threads() leaks memory
* #180: [Windows] Process's get_num_threads() and get_threads() methods can
raise NoSuchProcess exception while process still exists.
0.2.1 - 2011-03-20
------------------
NEW FEATURES
* #64: per-process I/O counters.
* #116: per-process wait() (wait for process to terminate and return its exit
code).
* #134: per-process get_threads() returning information (id, user and kernel
times) about threads opened by process.
* #136: process executable path on FreeBSD is now determined by asking the
kernel instead of guessing it from cmdline[0].
* #137: per-process real, effective and saved user and group ids.
* #140: system boot time.
* #142: per-process get and set niceness (priority).
* #143: per-process status.
* #147: per-process I/O nice (priority) - Linux only.
* #148: psutil.Popen class which tidies up subprocess.Popen and psutil.Process
in a unique interface.
* #152: [OSX] get_process_open_files() implementation has been rewritten
in C and no longer relies on lsof resulting in a 3x speedup.
* #153: [OSX] get_process_connection() implementation has been rewritten
in C and no longer relies on lsof resulting in a 3x speedup.
BUGFIXES
* #83: process cmdline is empty on OSX 64-bit.
* #130: a race condition can cause IOError exception be raised on
Linux if process disappears between open() and subsequent read() calls.
* #145: WindowsError was raised instead of psutil.AccessDenied when using
process resume() or suspend() on Windows.
* #146: 'exe' property on Linux can raise TypeError if path contains NULL
bytes.
* #151: exe and getcwd() for PID 0 on Linux return inconsistent data.
API CHANGES
* Process "uid" and "gid" properties are deprecated in favor of "uids" and
"gids" properties.
0.2.0 - 2010-11-13
------------------
NEW FEATURES
* #79: per-process open files.
* #88: total system physical cached memory.
* #88: total system physical memory buffers used by the kernel.
* #91: per-process send_signal() and terminate() methods.
* #95: NoSuchProcess and AccessDenied exception classes now provide "pid",
"name" and "msg" attributes.
* #97: per-process children.
* #98: Process.get_cpu_times() and Process.get_memory_info now return
a namedtuple instead of a tuple.
* #103: per-process opened TCP and UDP connections.
* #107: add support for Windows 64 bit. (patch by cjgohlke)
* #111: per-process executable name.
* #113: exception messages now include process name and pid.
* #114: process username Windows implementation has been rewritten in pure
C and no longer uses WMI resulting in a big speedup. Also, pywin32 is no
longer required as a third-party dependancy. (patch by wj32)
* #117: added support for Windows 2000.
* #123: psutil.cpu_percent() and psutil.Process.cpu_percent() accept a
new 'interval' parameter.
* #129: per-process number of threads.
BUGFIXES
* #80: fixed warnings when installing psutil with easy_install.
* #81: psutil fails to compile with Visual Studio.
* #94: suspend() raises OSError instead of AccessDenied.
* #86: psutil didn't compile against FreeBSD 6.x.
* #102: orphaned process handles obtained by using OpenProcess in C were
left behind every time Process class was instantiated.
* #111: path and name Process properties report truncated or erroneous
values on UNIX.
* #120: cpu_percent() always returning 100% on OS X.
* #112: uid and gid properties don't change if process changes effective
user/group id at some point.
* #126: ppid, uid, gid, name, exe, cmdline and create_time properties are
no longer cached and correctly raise NoSuchProcess exception if the process
disappears.
API CHANGES
* psutil.Process.path property is deprecated and works as an alias for "exe"
property.
* psutil.Process.kill(): signal argument was removed - to send a signal to the
process use send_signal(signal) method instead.
* psutil.Process.get_memory_info() returns a nametuple instead of a tuple.
* psutil.cpu_times() returns a nametuple instead of a tuple.
* New psutil.Process methods: get_open_files(), get_connections(),
send_signal() and terminate().
* ppid, uid, gid, name, exe, cmdline and create_time properties are no longer
cached and raise NoSuchProcess exception if process disappears.
* psutil.cpu_percent() no longer returns immediately (see issue 123).
* psutil.Process.get_cpu_percent() and psutil.cpu_percent() no longer returns
immediately by default (see issue 123).
0.1.3 - 2010-03-02
------------------
NEW FEATURES
* #14: per-process username
* #51: per-process current working directory (Windows and Linux only)
* #59: Process.is_running() is now 10 times faster
* #61: added supoprt for FreeBSD 64 bit
* #71: implemented suspend/resume process
* #75: python 3 support
BUGFIXES
* #36: process cpu_times() and memory_info() functions succeeded also for
dead processes while a NoSuchProcess exception is supposed to be raised.
* #48: incorrect size for mib array defined in getcmdargs for BSD
* #49: possible memory leak due to missing free() on error condition on
* #50: fixed getcmdargs() memory fragmentation on BSD
* #55: test_pid_4 was failing on Windows Vista
* #57: some unit tests were failing on systems where no swap memory is
available
* #58: is_running() is now called before kill() to make sure we are going
to kill the correct process.
* #73: virtual memory size reported on OS X includes shared library size
* #77: NoSuchProcess wasn't raised on Process.create_time if kill() was
used first.
0.1.2 - 2009-05-06
------------------
NEW FEATURES
* #32: Per-process CPU user/kernel times
* #33: Process create time
* #34: Per-process CPU utilization percentage
* #38: Per-process memory usage (bytes)
* #41: Per-process memory utilization (percent)
* #39: System uptime
* #43: Total system virtual memory
* #46: Total system physical memory
* #44: Total system used/free virtual and physical memory
BUGFIXES
* #36: [Windows] NoSuchProcess not raised when accessing timing methods.
* #40: test_get_cpu_times() failing on FreeBSD and OS X.
* #42: [Windows] get_memory_percent() raises AccessDenied.
0.1.1 - 2009-03-06
------------------
NEW FEATURES
* #4: FreeBSD support for all functions of psutil
* #9: Process.uid and Process.gid now retrieve process UID and GID.
* #11: Support for parent/ppid - Process.parent property returns a
Process object representing the parent process, and Process.ppid returns
the parent PID.
* #12 & 15:
NoSuchProcess exception now raised when creating an object
for a nonexistent process, or when retrieving information about a process
that has gone away.
* #21: AccessDenied exception created for raising access denied errors
from OSError or WindowsError on individual platforms.
* #26: psutil.process_iter() function to iterate over processes as
Process objects with a generator.
* #?: Process objects can now also be compared with == operator for equality
(PID, name, command line are compared).
BUGFIXES
* #16: [Windows] Special case for "System Idle Process" (PID 0) which
otherwise would return an "invalid parameter" exception.
* #17: get_process_list() ignores NoSuchProcess and AccessDenied
exceptions during building of the list.
* #22: [Windows] Process(0).kill() was failing with an unset exception.
* #23: Special case for pid_exists(0)
* #24: [Windows] Process(0).kill() now raises AccessDenied exception instead of
WindowsError.
* #30: psutil.get_pid_list() was returning two instances of PID 0 on OS
X and FreeBSD platforms.
0.1.0 - 2009-01-27
------------------
* Initial release.
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