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perf test: Be tolerant of missing json metric none value

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print_metric_only_json and print_metric_end in stat-display.c may
create a metric value of "none" which fails validation as isfloat. Add
a helper to properly validate metric numeric values.

Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2025-11-12 11:53:08 -08:00 committed by Namhyung Kim
parent 38367a22ab
commit c335b7a960
1 changed files with 4 additions and 1 deletions
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5
tools/perf/tests/shell/lib/perf_json_output_lint.py
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@ -43,6 +43,9 @@ def isint(num):
def is_counter_value(num):
return isfloat(num) or num == '<not counted>' or num == '<not supported>'
def is_metric_value(num):
return isfloat(num) or num == 'none'
def check_json_output(expected_items):
checks = {
'counters': lambda x: isfloat(x),
@ -57,7 +60,7 @@ def check_json_output(expected_items):
'event-runtime': lambda x: isfloat(x),
'interval': lambda x: isfloat(x),
'metric-unit': lambda x: True,
'metric-value': lambda x: isfloat(x),
'metric-value': lambda x: is_metric_value(x),
'metric-threshold': lambda x: x in ['unknown', 'good', 'less good', 'nearly bad', 'bad'],
'metricgroup': lambda x: True,
'node': lambda x: True,