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* Print header properly when terminal resizesIsaac Huang2014-11-141-6/+15
| | | | | | | | | Added a handler for SIGWINCH, so that one header is printed per screen even when the terminal resizes. Signed-off-by: Isaac Huang <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2847
* Fix inaccurate field descriptionsIsaac Huang2014-11-141-5/+5
| | | | | | | | | | The field descriptions from arcstat.py -v for the demand accesses are inaccurate. They all begin with "Demand Data" yet the fields actually covered both demand data and demand meta-data accesses. Signed-off-by: Isaac Huang <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2842
* sighandler() should take 2 argumentsIsaac Huang2014-03-201-6/+2
| | | | | | | | | | | | | Stopping arcstat.py with ^C always ends up with error: TypeError: sighandler() takes no arguments (2 given) Since no special signal handling was done in sighandler(), it's simpler to just set SIGINT handler to SIG_DFL, which terminates the script. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Isaac Huang <[email protected]> Closes #2179
* Revert "sighandler() should take 2 arguments"Brian Behlendorf2014-03-201-1/+1
| | | | | | | | This reverts commit 0bb89b6c594259829556f6dea5a89e722f214fd3 in favor of a cleaner implementation. Signed-off-by: Brian Behlendorf <[email protected]> Issue #2182
* sighandler() should take 2 argumentsIsaac Huang2014-03-121-1/+1
| | | | | | | | | | | | | | Stopping arcstat.py with ^C always ends up with error: TypeError: sighandler() takes no arguments (2 given) This patch corrects the error by updating the signal handler to take the correct number of arguments. Signed-off-by: Isaac Huang <[email protected]> Signed-off-by: Prakash Surya <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2182
* Make arcstat.py default to one header per screenIsaac Huang2014-03-121-0/+13
| | | | | | | | | | | | Today arcstat.py prints one header every hdr_intr (20 by default) lines. It would be more consistent with out utilities like vmstat if hdr_intr defaulted to terminal window size, i.e. one header per screenful of outputs. Signed-off-by: Isaac Huang <[email protected]> Signed-off-by: Prakash Surya <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2183
* Include l2asize in arcstatcburroughs2014-03-041-0/+2
| | | | | | | | | | | | | For consistency with upstream pull in the l2asize update after reworking it from Perl to Python. References: https://github.com/mharsch/arcstat/pull/11 https://github.com/mharsch/arcstat/pull/12 Signed-off-by: cburroughs <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2122
* Python 3 fixesMatthew Thode2013-11-081-6/+6
| | | | | | | | Future proofing for compatibility with newer versions of Python. Signed-off-by: Matthew Thode <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #1838
* pep8 code readability changesMatthew Thode2013-11-081-12/+11
| | | | | | | | | | | Update the code to follow the pep8 style guide. References: http://www.python.org/dev/peps/pep-0008/ Signed-off-by: Matthew Thode <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #1838
* Add dbufstat.py commandBrian Behlendorf2013-10-251-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The dbufstat.py command was added to provide a conveniant way to easily determine what ZFS is caching. The script consumes the raw /proc/spl/kstat/zfs/dbufs kstat data can consolidates it in to a more human readable form. This was designed primarily as a tool to aid developers but it may also be useful for advanced users who want more visibility in to what the ARC is caching. When run without options dbufstat.py will default to showing a list of all objects with at least one buffer present in the cache. The total cache space consumed by that object will be printed on the right along with the object type. Similar to the arcstats.py command the -x option may used to display additional fields. Two other modes of operation are also supported by dbufstat.py and the expectation is additional display modes may be added as needed. The -t option will summerize the total number of bytes cached for each object type, and the -b option will show every dbuf currently cached. The script was designed to be consistent with arcstat.py and includes most of the same options and funcationality. Signed-off-by: Prakash Surya <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Modified arcstat.py to run on linuxChrist Schlacta2013-06-182-19/+7
| | | | | | | | | * Modified kstat_update() to read arcstats from proc. * Fix shebang. * Added Makefile.am entries for arcstat.py Signed-off-by: Brian Behlendorf <[email protected]> Closes #1506
* Added arcstat.py from FreeNASChrist Schlacta2013-06-181-0/+454
Original source: http://support.freenas.org/browser/nanobsd/Files/usr/local/bin/arcstat.py Signed-off-by: Brian Behlendorf <[email protected]> Issue #1506
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