Re: [PATCH 0/2] V3 Disk space monitoring

[Robert Yang <liezhi.yang@windriver.com>]

Sorry, please ignore this one, I sent the wrong version, I will
send another one sooner.

// Robert

On 02/20/2012 04:01 PM, Robert Yang wrote:
> Hi Richard,
>
> Here is V3, the main changes are:
> 1) Can set each directory's threshold separately
> 2) Can choose the action when the disk space is running low:
>     a) Warn
>     b) No new task
>     c) Abort
> 3) Change the time interval to disk space(or inode) interval, the reason
>     is:
>     If we use the time interval, then we need a timer, and the timer
>     should be actived when the runqueue starts, and it should combine
>     closely with the runqueue since it it needs controll the task(no new
>     task), and the timer should in the subprocess, otherewise it would
>     block the runqueue, it seems hard to terminate to pass the Ctrl-C
>     to the subprocess since the Ctrl-C is captured by the ui, so I change
>     the time interval to the disk space(or inode) interval, this seems
>     more reasonable than the time interval, it would only warn when the
>     disk space reduce more than the interval, for example, if the interval
>     is 10M, it would warn when the space is lower than the threshold, and
>     warn again when the space reduce more than 10M.
>
> 4) The testing result: (The action would be executed when the space or inode
>     is lower than the threshold):
>     a) When the space is running low:
>        BB_DISKMON_DIRS = "${TMPDIR},130G,20M"
>        i) BB_DISKMON_ACTION = "WARN"
>           WARNING: The free space of /dev/sdb4 is running low (119.700GB left)
>           ...
>
>           The build will go on, and will warn again when the disk space reduces
>           more than interval.
>
>       ii) BB_DISKMON_ACTION = "NO_NEW_TASK"
>           WARNING: The free space of /dev/sdb4 is running low (119.689GB left)
>           WARNING: No new tasks can be excuted since BB_DISKMON_ACTION = "NO_NEW_TASK"!
>
>           The build will stop after other tasks has been done
>
>      iii) WARNING: The free space of /dev/sdb4 is running low (119.689GB left)
>           ERROR: Immediately abort since BB_DISKMON_ACTION = "ABORT"!
>
>          The build will stop immediately.
>
>     b) The similar to the inode, and also the similar to more than one disks
>         are monitored.
>
> // Robert
>
> The following changes since commit 41a83ccfe50ec69425a4828fb5836d38d3f99e67:
>
>    guile: fix cross configure failure (2012-02-10 17:01:42 +0000)
>
> are available in the git repository at:
>    git://git.pokylinux.org/poky-contrib robert/disk-space-monitor
>    http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=robert/disk-space-monitor
>
> Robert Yang (2):
>    Disk space monitoring
>    Add config sample for disk space monitoring
>
>   bitbake/bin/bitbake               |    1 +
>   bitbake/lib/bb/monitordisk.py     |  177 +++++++++++++++++++++++++++++++++++++
>   bitbake/lib/bb/runqueue.py        |   65 +++++++++++++-
>   meta-yocto/conf/local.conf.sample |   29 ++++++
>   4 files changed, 269 insertions(+), 3 deletions(-)
>   create mode 100644 bitbake/lib/bb/monitordisk.py
>