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getVar() now defaults to expanding by default, thus remove the True
option from getVar() calls with a regex search and replace.
Search made with the following regex: getVar ?\(( ?[^,()]*), True\)
Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Some virtualized environments like Linux-VServer do not have the
entries under /proc that the new system usage sampling expected,
leading to an exception when trying to open the files.
Now the presence of these files is checked once before enabling the
corresponding data collection. When a file is missing, the
corresponding log file is not written either and pybootchart will not
draw the chart that normally displays the data.
Errors while reading or writing of data samples is intentionally still
a fatal error, because that points towards a bigger problem that
should not be ignored.
Reported-by: Andreas Oberritter <obi@opendreambox.org>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Pre-processing /proc data during the build considerably reduces the
amount of data written to disk: 176KB instead of 4.7MB for a 20
minuted build. Parsing also becomes faster.
The disk monitor log added another 16KB in that example build. The
overall buildstat was 20MB, so the overhead for monitoring system
utilization is small enough that it can be enabled by default.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Hooks into the new monitordisk.py event and records the used space for
each volume. That is probably the only relevant value when it comes to
visualizing the build and recording more would only increase disk
usage.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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/proc/[diskstats|meminfo|stat] get sampled and written to the same
proc_<filename>.log files as during normal bootchat logging. This will
allow rendering the CPU, disk and memory usage charts.
Right now sampling happens once a second, triggered by the heartbeat
event.That produces quite a bit of data for long builds, which will be
addressed in a separate commit by storing the data in a more compact
form.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Joshua Lock
Patrick Ohly