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Add a clean rewrite of arc_summary.py in Python 3 #6873

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scotws opened this issue Nov 15, 2017 · 0 comments
Closed

Add a clean rewrite of arc_summary.py in Python 3 #6873

scotws opened this issue Nov 15, 2017 · 0 comments

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@scotws
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scotws commented Nov 15, 2017

Background. arc_summary.py is a Python script to report basic information on the ZFS cache system. The original version was written 2008 by Ben Rockwood in Perl for Solaris machines (see http://cuddletech.com/?p=454 for his original blog posting). It has since been ported to Python and Linux (see https://github.com/zfsonlinux/zfs/blob/master/cmd/arc_summary/arc_summary.py)

The Problem. The current version of arc_summary.py must work with various distributions, some of which use ancient versions of Python (e.g. CentOS 6, which seems to be using Python 2.6.6, now seven years old; see https://danieleriksson.net/2017/02/08/how-to-install-latest-python-on-centos/ for details). This means it is stuck with (for example) the getopt library instead of argparse, and primitive subprocess code. At the same time, it must work with Python 3. Also, despite various rewrites by many people, it still betrays its Perl roots with downright un-Pythonic code, making it harder to understand, maintain and enhance. This will only get worse as Python 2 approaches EOL in now only slightly more than two years (see https://pythonclock.org/).

Suggestion. To fix this, we could add a version of arc_summary.py rewritten, mostly from scratch, in pure Python 3, possibly with the name arc_summary3.py. It would be included in the same folder as the existing script, which would be kept and maintained for backward use. The hope is that more Pythonic code will make it easier for more people to add to and improve upon the new version.

Complications. Any rewrite of this scale would almost certainly introduce bugs. The ZoL test suites would have to be retooled to accept a Python 3 program even though it could only run on a subgroup of systems. It can be assumed that fewer people will show an interest in working on the older version of arc_summary.py if there is a newer version around, possibly orphaning the original, still important version.

Who would write this? I have spent the last couple of weeks with the current arc_summary.py version (see PRs) and also have written a (very experimental) partial port in Go (golang) at https://github.com/scotws/arc_summary_go. I could put together an initial version of arc_summary3.py as a code base; however I have no idea how to include this in the build and tests systems of ZoL. Also, I'm sure any Python code I write could be improved upon.
scotws added a commit to scotws/zfs that referenced this issue Nov 22, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
d39abdc 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite. Developed for Python 3.5.

Add new options:

        -g/--graph    - Display crude graphic respresentation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print one single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Now prints information if sections such as L2ARC and VDEV
are skipped instead of failing silently.

Note arc_summary3.py is not included in Makefile.am at this
point.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Nov 22, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
9691b1c 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite. Developed for Python 3.5.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page is depreciated.

Note arc_summary3.py is not included in Makefile.am at this
point.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Nov 22, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
640712c 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Note arc_summary3.py is not included in Makefile.am at this
point. Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
@scotws scotws mentioned this issue Nov 22, 2017
Merged
13 tasks
scotws added a commit to scotws/zfs that referenced this issue Nov 22, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
79155b5 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Note arc_summary3.py is not included in Makefile.am at this
point. Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Nov 22, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
e30a5e6 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Note arc_summary3.py is not included in Makefile.am at this
point. Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Nov 28, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
5269222 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests.

Note arc_summary3.py is not included in Makefile.am at this
point. Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Dec 4, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
e214562 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests.

Note arc_summary3.py is not included in Makefile.am at this
point. Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Dec 5, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
cf12e29 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests.

Note arc_summary3.py is not included in Makefile.am at this
point. Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Dec 6, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
51cb4bc 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests. Note the associated test file
currently opts out of flake8 testing.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Dec 7, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
6afa29b 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests. Note the associated test file
currently opts out of flake8 testing.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Dec 8, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
0280938 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests. Note the associated test file
currently opts out of flake8 testing.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Dec 12, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
1c78460 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests. Note the associated test file
currently opts out of flake8 testing.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
akatrevorjay added a commit to akatrevorjay/zfs that referenced this issue Dec 14, 2017
@akatrevorjay
Merge branch 'scotws-python3'
861f443 
* scotws-python3:
  Add Python 3 rewrite of arc_summary.py (openzfs#6873)
scotws added a commit to scotws/zfs that referenced this issue Dec 15, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
f9e6edc 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests. Note the associated test file
currently opts out of flake8 testing.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Dec 16, 2017
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
648e947 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests. Note the associated test file
currently opts out of flake8 testing.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
akatrevorjay pushed a commit to akatrevorjay/zfs that referenced this issue Dec 16, 2017
@scotws @akatrevorjay
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
984ac31 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873). Add test_arc_summary3.py
as (incomplete) unittest test suite.

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.
Adds first (trivial) tests. Note the associated test file
currently opts out of flake8 testing.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
akatrevorjay added a commit to akatrevorjay/zfs that referenced this issue Dec 16, 2017
@akatrevorjay
Merge branch 'patch-kingdom' of github.com:akatrevorjay/zfs into patc…
b0f65b5 
…h-kingdom

* 'patch-kingdom' of github.com:akatrevorjay/zfs:
  Add Python 3 rewrite of arc_summary.py (openzfs#6873)
  Add dbuf hash and dbuf cache kstats
  Use Multi-buffer sha256 support from SPL
  mutex tracking: disable tracking of ARC and dbuf hashmap locks
  Fix distribution detection so that Ubuntu does not identify as Debian
  Support ashift=13 to support 8KB SSD page sizes
akatrevorjay added a commit to akatrevorjay/zfs that referenced this issue Dec 16, 2017
@akatrevorjay
Merge remote-tracking branch 'akatrevorjay/patch-kingdom' into upstream
30dded3 
* akatrevorjay/patch-kingdom: (27 commits)
  merge
  Add Python 3 rewrite of arc_summary.py (openzfs#6873)
  Use Multi-buffer sha256 support from SPL
  Add dbuf hash and dbuf cache kstats
  Fix distribution detection so that Ubuntu does not identify as Debian
  Support ashift=13 to support 8KB SSD page sizes
  mutex tracking: disable tracking of ARC and dbuf hashmap locks
  Review feedback 2
  Remove vdev_raidz_map_alloc()
  Review feedback
  Update and add additional TRIM test cases
  Want manual trim feature to skip never-allocated space
  Deadlockiness in autotrim due to recent changes.
  Matt Ahrens' review comments, round 5.
  Deadlockiness associated with doing postponing trimming on a metaslab wanting to condense.
  Matt Ahren's review comments round 4:
  Tim Chase's review comments, round 2.
  Matt Ahrens' review comments, round 3.
  Matt Ahrens' review comments.
  Fix abd_alloc_sametype() panic
  ...
akatrevorjay added a commit to akatrevorjay/zfs that referenced this issue Dec 16, 2017
@akatrevorjay
Merge branch 'upstream' of github.com:akatrevorjay/zfs
e0f9795 
* 'upstream' of github.com:akatrevorjay/zfs: (27 commits)
  merge
  Add Python 3 rewrite of arc_summary.py (openzfs#6873)
  Use Multi-buffer sha256 support from SPL
  Add dbuf hash and dbuf cache kstats
  Fix distribution detection so that Ubuntu does not identify as Debian
  Support ashift=13 to support 8KB SSD page sizes
  mutex tracking: disable tracking of ARC and dbuf hashmap locks
  Review feedback 2
  Remove vdev_raidz_map_alloc()
  Review feedback
  Update and add additional TRIM test cases
  Want manual trim feature to skip never-allocated space
  Deadlockiness in autotrim due to recent changes.
  Matt Ahrens' review comments, round 5.
  Deadlockiness associated with doing postponing trimming on a metaslab wanting to condense.
  Matt Ahren's review comments round 4:
  Tim Chase's review comments, round 2.
  Matt Ahrens' review comments, round 3.
  Matt Ahrens' review comments.
  Fix abd_alloc_sametype() panic
  ...
akatrevorjay added a commit to akatrevorjay/zfs that referenced this issue Dec 16, 2017
@akatrevorjay
Merge branch 'scotws-python3'
51c312b 
* scotws-python3:
  Add Python 3 rewrite of arc_summary.py (openzfs#6873)
akatrevorjay added a commit to akatrevorjay/zfs that referenced this issue Dec 16, 2017
@akatrevorjay
Merge remote-tracking branch 'akatrevorjay/patch-kingdom' into upstream
5f73fc1 
* akatrevorjay/patch-kingdom: (27 commits)
  merge
  Add Python 3 rewrite of arc_summary.py (openzfs#6873)
  Use Multi-buffer sha256 support from SPL
  Add dbuf hash and dbuf cache kstats
  Fix distribution detection so that Ubuntu does not identify as Debian
  Support ashift=13 to support 8KB SSD page sizes
  mutex tracking: disable tracking of ARC and dbuf hashmap locks
  Review feedback 2
  Remove vdev_raidz_map_alloc()
  Review feedback
  Update and add additional TRIM test cases
  Want manual trim feature to skip never-allocated space
  Deadlockiness in autotrim due to recent changes.
  Matt Ahrens' review comments, round 5.
  Deadlockiness associated with doing postponing trimming on a metaslab wanting to condense.
  Matt Ahren's review comments round 4:
  Tim Chase's review comments, round 2.
  Matt Ahrens' review comments, round 3.
  Matt Ahrens' review comments.
  Fix abd_alloc_sametype() panic
  ...
akatrevorjay added a commit to akatrevorjay/zfs that referenced this issue Dec 16, 2017
@akatrevorjay
Merge branch 'upstream' of github.com:akatrevorjay/zfs
42edc0b 
* 'upstream' of github.com:akatrevorjay/zfs: (27 commits)
  merge
  Add Python 3 rewrite of arc_summary.py (openzfs#6873)
  Use Multi-buffer sha256 support from SPL
  Add dbuf hash and dbuf cache kstats
  Fix distribution detection so that Ubuntu does not identify as Debian
  Support ashift=13 to support 8KB SSD page sizes
  mutex tracking: disable tracking of ARC and dbuf hashmap locks
  Review feedback 2
  Remove vdev_raidz_map_alloc()
  Review feedback
  Update and add additional TRIM test cases
  Want manual trim feature to skip never-allocated space
  Deadlockiness in autotrim due to recent changes.
  Matt Ahrens' review comments, round 5.
  Deadlockiness associated with doing postponing trimming on a metaslab wanting to condense.
  Matt Ahren's review comments round 4:
  Tim Chase's review comments, round 2.
  Matt Ahrens' review comments, round 3.
  Matt Ahrens' review comments.
  Fix abd_alloc_sametype() panic
  ...
scotws added a commit to scotws/zfs that referenced this issue Jan 13, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
0b2601f 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 17, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
be9a07b 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 20, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
2bb581c 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 20, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
8948f09 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 24, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
c6e1087 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 27, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
8b153a0 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 28, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
64469cf 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 28, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
5427f83 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 28, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
ce35a02 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 28, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
b6f5d46 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 31, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
cca4fc0 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Jan 31, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
06c59fb 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 1, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
572f7b5 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 2, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
a49d75e 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 4, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
16208a7 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 5, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
ad8718e 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 6, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
3bedf7d 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 8, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
c66fa11 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 8, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
6872572 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 25, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
c2accd3 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 27, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
2a97637 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 27, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
652b23a 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
scotws added a commit to scotws/zfs that referenced this issue Feb 27, 2018
@scotws
Add Python 3 rewrite of arc_summary.py (openzfs#6873)
6195483 
Add new script arc_summary3.py as a complete rewrite of the
arc_summary.py tool (see issue openzfs#6873)

Add new options:

        -g/--graph    - Display crude graphic representation
                        of ARC status and quit
        -r/--raw      - Print all available information as
                        minimally formatted list (for grep)
        -s/--section  - Print a single section. This
                        replaces -p/--page, which is kept for
                        backwards use but marked as
                        depreciated

Add new sections with information on ZIL and SPL. Notify user
if sections L2ARC and VDEV are skipped instead of failing
silently. Add warning that -p/--page option is depreciated.

Developed for Python 3.5.

Signed-off-by: Scot W. Stevenson <scot.stevenson@gmail.com>
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