From 0069c06cc9c929de7e7d29b0381fcb36049a4401 Mon Sep 17 00:00:00 2001 From: Martin Jansa Date: Fri, 13 Jun 2014 09:45:05 -0700 Subject: buildstats-summary.bbclass: Import useful bbclass from meta-mentor This class summarizes sstate reuse at the end of the build, so you know how much of your build was done from scratch. Signed-off-by: Martin Jansa Signed-off-by: Christopher Larson Signed-off-by: Richard Purdie --- meta/classes/buildstats-summary.bbclass | 39 +++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 meta/classes/buildstats-summary.bbclass (limited to 'meta/classes/buildstats-summary.bbclass') diff --git a/meta/classes/buildstats-summary.bbclass b/meta/classes/buildstats-summary.bbclass new file mode 100644 index 0000000000..c8fbb2f1a1 --- /dev/null +++ b/meta/classes/buildstats-summary.bbclass @@ -0,0 +1,39 @@ +# Summarize sstate usage at the end of the build +python buildstats_summary () { + if not isinstance(e, bb.event.BuildCompleted): + return + + 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 -- cgit v1.2.3