Damien Lespiau
087a8d1c63
stats: Add header gards
...
Sigh.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27 16:04:07 +01:00
Damien Lespiau
515cec1210
stats: Add a way to retrieve the standard deviation
...
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27 16:03:27 +01:00
Damien Lespiau
05c10f940f
stats: Use an algorithm popularised by Knuth to compute mean and variance
...
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27 16:03:27 +01:00
Damien Lespiau
e55a11d3eb
stats: Be more precise and talk about mean, not average
...
There are several types of averages eg. mean, median and mode.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-27 16:03:27 +01:00
Damien Lespiau
06f5f7065f
lib: Add a tiny utility function to compute averages
...
The master plan would be to get a bit more stats in it, at least the
standard deviation and confidence interval. Just need the average for
now.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
2015-06-25 17:22:03 +01:00
