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- Compute 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.