Copying qemu-block, because it could be of interest for block I/O accounting.
"Dr. David Alan Gilbert (git)" <dgilb...@redhat.com> writes: > From: "Dr. David Alan Gilbert" <dgilb...@redhat.com> > > Hi, > This is an attempt at a generic rolling statistics utility to > allow data (e.g. bandwidth usage, times etc) to be collected > easily. They hold some basic values (min/max/mean/weighted mean) > and the last 'n' raw values. I'd like to use this > maybe in fault-tolerance code. > > This is a first cut, and I think I probably need to rework it > as a qapi type somehow, but I'm interested in thoughts. > > Dave > > > Dr. David Alan Gilbert (2): > Rolling statistics utilities > Tests for rolling statistics code > > include/qemu/rolling-stats.h | 101 +++++++++++ > include/qemu/typedefs.h | 1 + > tests/Makefile | 3 + > tests/test-rolling-stats.c | 161 ++++++++++++++++++ > util/Makefile.objs | 1 + > util/rolling-stats.c | 393 > +++++++++++++++++++++++++++++++++++++++++++ > 6 files changed, 660 insertions(+) > create mode 100644 include/qemu/rolling-stats.h > create mode 100644 tests/test-rolling-stats.c > create mode 100644 util/rolling-stats.c
