On Mon, Oct 14, 2024 at 11:14 PM David Hunter <david.hunter.linux@xxxxxxxxx> wrote: > > Include a debugging tool that can help developers find out about a > particular config option. > > It can be challenging to find out what is going on behind the scenes of > the script due to the vast amount of config options and the ways the > config options interact with each other. > > Signed-off-by: David Hunter <david.hunter.linux@xxxxxxxxx> > --- This is not suitable for upstream. Indeed, this tool is broken, and hard to figure out what is happening, but you can add print-debug when needed. > scripts/kconfig/streamline_config.pl | 49 ++++++++++++++++++++++++++++ > 1 file changed, 49 insertions(+) > > diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl > index f5a07b3a1922..bbcd5a6e9726 100755 > --- a/scripts/kconfig/streamline_config.pl > +++ b/scripts/kconfig/streamline_config.pl > @@ -713,4 +713,53 @@ foreach my $module (keys(%modules)) { > } > } > > +# the following tool can be used to check a particular config option. > +# You can read the output if the variable "debugprint" is set to "1." > +# Here is a sample way to use the tool: > +# dprintvar("INET_ESP"); > +# > +sub dprintvar { > + if ($debugprint) { > + my $dconfig = $_[0]; > + my $fconfig = "CONFIG_$dconfig"; > + my $con_found = ""; > + my $dep_found = ""; > + my $def_found = ""; > + my $sel_found = ""; > + my $prom_found = ""; > + my $ori_found = ""; > + my $proc_found = ""; > + > + if (defined($configs{$fconfig})) { > + $con_found = $configs{$fconfig}; > + } > + if (defined($depends{$dconfig})) { > + $dep_found = $depends{$dconfig}; > + } > + if (defined($defaults{$dconfig})) { > + $def_found = $defaults{$dconfig}; > + } > + if (defined($selects{$dconfig})) { > + $sel_found = $selects{$dconfig}; > + } > + if (defined($prompts{$dconfig})) { > + $prom_found = $prompts{$dconfig}; > + } > + if (defined($orig_configs{$fconfig})) { > + $ori_found = $orig_configs{$fconfig}; > + } > + if (defined($process_selects{$dconfig})) { > + $proc_found = $process_selects{$dconfig}; > + } > + > + dprint "config: $dconfig\n"; > + dprint "config found: $con_found\n"; > + dprint "depends: $dep_found\n"; > + dprint "defaults: $def_found\n"; > + dprint "selects: $sel_found\n"; > + dprint "prompts: $prom_found\n"; > + dprint "in original config: $ori_found\n"; > + dprint "process selected: $proc_found\n"; > + } > +} > # vim: softtabstop=4 > -- > 2.43.0 > -- Best Regards Masahiro Yamada