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11.2 Invoking gcov-tool
gcov-tool [global-options] SUB_COMMAND [sub_command-options] profile_dir
gcov-tool
accepts the following options:
-
-h
-
--help
-
Display help about using
gcov-tool
(on the standard output), and exit without doing any further processing. -
-v
-
--version
-
Display the
gcov-tool
version number (on the standard output), and exit without doing any further processing. -
merge
-
Merge two profile directories.
-
-o directory
-
--output directory
-
Set the output profile directory. Default output directory name is merged_profile.
-
-v
-
--verbose
-
Set the verbose mode.
-
-w w1,w2
-
--weight w1,w2
-
Set the merge weights of the directory1 and directory2, respectively. The default weights are 1 for both.
-
-
rewrite
-
Read the specified profile directory and rewrite to a new directory.
-
-n long_long_value
-
--normalize <long_long_value>
-
Normalize the profile. The specified value is the max counter value in the new profile.
-
-o directory
-
--output directory
-
Set the output profile directory. Default output name is rewrite_profile.
-
-s float_or_simple-frac_value
-
--scale float_or_simple-frac_value
-
Scale the profile counters. The specified value can be in floating point value, or simple fraction value form, such 1, 2, 2/3, and 5/3.
-
-v
-
--verbose
-
Set the verbose mode.
-
-
overlap
-
Computer the overlap score between the two specified profile directories. The overlap score is computed based on the arc profiles. It is defined as the sum of min (p1_counter[i] / p1_sum_all, p2_counter[i] / p2_sum_all), for all arc counter i, where p1_counter[i] and p2_counter[i] are two matched counters and p1_sum_all and p2_sum_all are the sum of counter values in profile 1 and profile 2, respectively.
-
-f
-
--function
-
Print function level overlap score.
-
-F
-
--fullname
-
Print full gcda filename.
-
-h
-
--hotonly
-
Only print info for hot objects/functions.
-
-o
-
--object
-
Print object level overlap score.
-
-t float
-
--hot_threshold <float>
-
Set the threshold for hot counter value.
-
-v
-
--verbose
-
Set the verbose mode.
-
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