citadel/poky/meta/classes/buildstats-summary.bbclass

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# Summarize sstate usage at the end of the build
python buildstats_summary () {
import collections
import os.path
bsdir = e.data.expand("${BUILDSTATS_BASE}/${BUILDNAME}")
if not os.path.exists(bsdir):
return
sstatetasks = (e.data.getVar('SSTATETASKS') or '').split()
built = collections.defaultdict(lambda: [set(), set()])
for pf in os.listdir(bsdir):
taskdir = os.path.join(bsdir, pf)
if not os.path.isdir(taskdir):
continue
tasks = os.listdir(taskdir)
for t in sstatetasks:
no_sstate, sstate = built[t]
if t in tasks:
no_sstate.add(pf)
elif t + '_setscene' in tasks:
sstate.add(pf)
header_printed = False
for t in sstatetasks:
no_sstate, sstate = built[t]
if no_sstate | sstate:
if not header_printed:
header_printed = True
bb.note("Build completion summary:")
sstate_count = len(sstate)
no_sstate_count = len(no_sstate)
total_count = sstate_count + no_sstate_count
bb.note(" {0}: {1:.1f}% sstate reuse({2} setscene, {3} scratch)".format(
t, round(100 * sstate_count / total_count, 1), sstate_count, no_sstate_count))
}
addhandler buildstats_summary
buildstats_summary[eventmask] = "bb.event.BuildCompleted"