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report_power_stats: number of entries returned always matches number of reporters

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Previously, only reports that were generated were returned. With this
commit, there will be an entry for each active reporter in the returned
list. If a reporter did not produce a valid report, the entry will be
None.

This ensures consistent output, even if a run time issue causes a
reporter not to produce a report  (e.g. if cpufreq events were not
enabled).
This commit is contained in:
Sergei Trofimov
2016-05-09 10:07:36 +01:00
parent 5773da0d08
commit fe7f98a98b
2 changed files with 6 additions and 3 deletions
wlauto
result_processors
cpustate.py
utils
power.py

3
wlauto/utils/power.py

@ -644,8 +644,7 @@ def report_power_stats(trace_file, idle_state_names, core_names, core_clusters,
reports = []
for reporter in reporters:
report = reporter.report()
if report:
reports.append(report)
reports.append(report)
return reports