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Record single metric sample value zero #86

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Nov 13, 2024
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5 changes: 3 additions & 2 deletions python/toolbox/metrics.py
Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,7 @@ def log_sample(this_file_id: str, desc: object, names: object, sample: object):
metric_data_fh[file_id] = lzma.open(metric_data_file, "wt")
stored_sample[idx] = sample.copy()

def finish_samples():
def finish_samples(dont_delete=False):
"""
Write the final metric data to disk and reset the global variables.

Expand All @@ -174,7 +174,8 @@ def finish_samples():
# All of the stored samples need to be written
for idx in range(0, len(stored_sample)):
if file_id in metric_data_fh.keys():
if stored_sample[idx]['value'] == 0 and idx not in num_written_samples.keys():
if (stored_sample[idx]['value'] == 0 and idx not in num_written_samples.keys() and
and dont_delete is False):
# This metric has only 1 sample and the value is 0, so it "did not do any work". Therefore, we can just
# not create this metric at all.
# TODO: This optimization might be better if the metric source/type could opt in/out of this.
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