xref: /OK3568_Linux_fs/yocto/poky/meta/classes/buildstats-summary.bbclass (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1# Summarize sstate usage at the end of the build
2python buildstats_summary () {
3    import collections
4    import os.path
5
6    bsdir = e.data.expand("${BUILDSTATS_BASE}/${BUILDNAME}")
7    if not os.path.exists(bsdir):
8        return
9
10    sstatetasks = (e.data.getVar('SSTATETASKS') or '').split()
11    built = collections.defaultdict(lambda: [set(), set()])
12    for pf in os.listdir(bsdir):
13        taskdir = os.path.join(bsdir, pf)
14        if not os.path.isdir(taskdir):
15            continue
16
17        tasks = os.listdir(taskdir)
18        for t in sstatetasks:
19            no_sstate, sstate = built[t]
20            if t in tasks:
21                no_sstate.add(pf)
22            elif t + '_setscene' in tasks:
23                sstate.add(pf)
24
25    header_printed = False
26    for t in sstatetasks:
27        no_sstate, sstate = built[t]
28        if no_sstate | sstate:
29            if not header_printed:
30                header_printed = True
31                bb.note("Build completion summary:")
32
33            sstate_count = len(sstate)
34            no_sstate_count = len(no_sstate)
35            total_count = sstate_count + no_sstate_count
36            bb.note("  {0}: {1:.1f}% sstate reuse({2} setscene, {3} scratch)".format(
37                t, round(100 * sstate_count / total_count, 1), sstate_count, no_sstate_count))
38}
39addhandler buildstats_summary
40buildstats_summary[eventmask] = "bb.event.BuildCompleted"
41