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#!/usr/bin/python3
import sys
import pandas as pd
# The script does the following:
# (a) If dso is not present in perf.csv, it adds a dummy dso column.
# (b) We don't have dso entry present for binary and libraries, so create a dummy one.
# (c) Strip whitespace in dso name.
def main():
assert len(sys.argv) == 2
df = pd.read_csv(sys.argv[1])
if "dso" not in list(df.columns.values):
df["dso"] = "na"
df = df.fillna("na")
df["dso"] = df["dso"].str.strip()
# When all benchmarks have failed, perf.csv is empty, and this messes up
# order of columns while merging. Rearrange the columns to "expected order"
# with benchmark,symbol appearing first.
# The order of columns shouldn't really be an issue, but we need
# (or needed at some point) for benchmark to be the first metric, and thus
# assert for it in merge-metric-csvs.py. This needs to be re-checked after
# we move away from csvs2table.py.
df = df[["benchmark", "symbol", "sample", "dso"]]
df.to_csv(sys.stdout, index=False)
if __name__ == "__main__":
main()
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