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| author | Martin Liska <mliska@suse.cz> | 2018-09-17 10:49:09 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-09-17 08:49:09 +0000 |
| commit | d6683f89123f4badb0396d5c9adcc81f46494b0b (patch) | |
| tree | 2c313b8db0db95ac676f624a871d05e5636412e6 /gcc/doc/gcov.texi | |
| parent | 7dc58b50536223fefe18c38cde7c759ae528f934 (diff) | |
| download | gcc-d6683f89123f4badb0396d5c9adcc81f46494b0b.zip gcc-d6683f89123f4badb0396d5c9adcc81f46494b0b.tar.gz gcc-d6683f89123f4badb0396d5c9adcc81f46494b0b.tar.bz2 | |
gcov: emit hotness colors to easily find hot code.
2018-09-17 Martin Liska <mliska@suse.cz>
* doc/gcov.texi: Document new option --use-hotness-colors.
* gcov.c (struct source_info): Declare new field.
(source_info::source_info): Set default for maximum_count.
(print_usage): Add new -q option.
(process_args): Process it.
(accumulate_line_info): Save src->maximum_count.
(output_line_beginning): Make color line number if
flag_use_hotness_colors is set.
(output_line_details): Pass default argument value.
(output_lines): Pass src->maximum_count.
From-SVN: r264360
Diffstat (limited to 'gcc/doc/gcov.texi')
| -rw-r--r-- | gcc/doc/gcov.texi | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/doc/gcov.texi b/gcc/doc/gcov.texi index 98f4a87..3b1b38a 100644 --- a/gcc/doc/gcov.texi +++ b/gcc/doc/gcov.texi @@ -132,6 +132,7 @@ gcov [@option{-v}|@option{--version}] [@option{-h}|@option{--help}] [@option{-n}|@option{--no-output}] [@option{-o}|@option{--object-directory} @var{directory|file}] [@option{-p}|@option{--preserve-paths}] + [@option{-q}|@option{--use-hotness-colors}] [@option{-r}|@option{--relative-only}] [@option{-s}|@option{--source-prefix} @var{directory}] [@option{-t}|@option{--stdout}] @@ -264,7 +265,6 @@ Use colors for lines of code that have zero coverage. We use red color for non-exceptional lines and cyan for exceptional. Same colors are used for basic blocks with @option{-a} option. - @item -l @itemx --long-file-names Create long file names for included source files. For example, if the @@ -305,6 +305,12 @@ removed and unremoveable @file{..} components renamed to @samp{^}. This is useful if sourcefiles are in several different directories. +@item -q +@itemx --use-hotness-colors + +Emit perf-like colored output for hot lines. Legend of the color scale +is printed at the very beginning of the output file. + @item -r @itemx --relative-only Only output information about source files with a relative pathname |