Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/classes/buildstats-summary.bbclass b/meta/classes/buildstats-summary.bbclass
new file mode 100644
index 0000000..05ead9f
--- /dev/null
+++ b/meta/classes/buildstats-summary.bbclass
@@ -0,0 +1,37 @@
+# Summarize sstate usage at the end of the build
+python buildstats_summary () {
+ import collections
+ import os.path
+
+ bn = get_bn(e)
+ bsdir = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), bn)
+ if not os.path.exists(bsdir):
+ return
+
+ sstatetasks = (e.data.getVar('SSTATETASKS', True) 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:")
+
+ bb.note(" {0}: {1}% sstate reuse ({2} setscene, {3} scratch)".format(t, 100*len(sstate)/(len(sstate)+len(no_sstate)), len(sstate), len(no_sstate)))
+}
+addhandler buildstats_summary
+buildstats_summary[eventmask] = "bb.event.BuildCompleted"