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-t, --trace Print each line to sys.stdout before it is executed.
-c, --count Count the number of times each line is executed
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See also `--coverdir', `--file', `--no-report' below.
-l, --listfuncs Keep track of which functions are executed at least
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-T, --trackcalls Keep track of caller/called pairs and write the
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-r, --report Generate a report from a counts file; do not execute
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-f, --file=<file> File to accumulate counts over several runs.
-R, --no-report Do not generate the coverage report files.
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-C, --coverdir=<dir> Directory where the report files. The coverage
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<dir>/<package>/<module>.cover.
-m, --missing Annotate executable lines that were not executed
with '>>>>>> '.
-s, --summary Write a brief summary on stdout for each file.
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-g, --timing Prefix each line with the time since the program started.
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--ignore-module=<mod> Ignore the given module(s) and its submodules
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