[PATCH 12/17] scripts/code_cov_parse_info: add support for compressed files
Mauro Carvalho Chehab
mauro.chehab at linux.intel.com
Thu Feb 15 10:27:21 UTC 2024
From: Mauro Carvalho Chehab <mchehab at kernel.org>
Code coverage files are big. Add support for read/write gzipped
files, in order to save I/O, and, depending on the disk, speeding
up the tool.
Signed-off-by: Mauro Carvalho Chehab <mchehab at kernel.org>
---
scripts/code_cov_parse_info | 56 ++++++++++++++++++++++++++-----------
1 file changed, 40 insertions(+), 16 deletions(-)
mode change 100644 => 100755 scripts/code_cov_parse_info
diff --git a/scripts/code_cov_parse_info b/scripts/code_cov_parse_info
old mode 100644
new mode 100755
index 8180b9c1f82e..50d10a30d7f9
--- a/scripts/code_cov_parse_info
+++ b/scripts/code_cov_parse_info
@@ -6,6 +6,8 @@ use Getopt::Long;
BEGIN { $Pod::Usage::Formatter = 'Pod::Text::Termcap'; }
use Pod::Usage;
use Pod::Man;
+use IO::File;
+use IO::Zlib;
my $prefix = qr ".*?(linux)\w*/";
@@ -341,8 +343,14 @@ sub read_json($)
}
# Read JSON data
- open IN, $file or die "can't open $file";
- while (<IN>) {
+ my $fh;
+ if ($file =~ m/\.gz$/) {
+ $fh = IO::Zlib->new($file, "rb") or die "can't open $file";
+ } else {
+ $fh = IO::File->new($file) or die "can't open $file";
+ }
+ print "reading $file...\n" if ($verbose);
+ while (<$fh>) {
my $json = eval {
Cpanel::JSON::XS::decode_json($_)
};
@@ -362,7 +370,7 @@ sub read_json($)
die "Unknown JSON format on file $file\n";
}
}
- close IN;
+ $fh->close() or die "Failed to close file $file";
}
sub read_info($)
@@ -377,11 +385,16 @@ sub read_info($)
# First step: parse data
- print "reading $file...\n" if ($verbose);
- open IN, $file or die "can't open $file";
# For details on .info file format, see "man geninfo"
# http://ltp.sourceforge.net/coverage/lcov/geninfo.1.php
- while (<IN>) {
+ my $fh;
+ if ($file =~ m/\.gz$/) {
+ $fh = IO::Zlib->new($file, "rb") or die "can't open $file";
+ } else {
+ $fh = IO::File->new($file) or die "can't open $file";
+ }
+ print "reading $file...\n" if ($verbose);
+ while (<$fh>) {
# TN:<test name>
if (m/^TN:(.*)/) {
if ($1 ne $cur_test) {
@@ -568,7 +581,7 @@ sub read_info($)
printf("Warning: invalid line: $_");
}
- close IN or die;
+ $fh->close() or die "Failed to close file $file";
}
sub sort_where($$)
@@ -598,9 +611,15 @@ sub write_json_file($)
Cpanel::JSON::XS::encode_json(\%record)
};
- open OUT, ">$fname" or die "Can't open $fname";
- print OUT $data or die "Failed to write to $fname";
- close OUT or die "Failed to close to $fname";
+ if ($fname =~ m/\.gz$/) {
+ my $fh = IO::Zlib->new($fname, "wb") or die "can't open $fname";
+ print $fh $data or die "Failed to write to $fname";
+ $fh->close or die "Failed to write to $fname";
+ } else {
+ open OUT, ">$fname" or die "Can't open $fname";
+ print OUT $data or die "Failed to write to $fname";
+ close OUT or die "Failed to close to $fname";
+ }
}
sub write_info_file($)
@@ -648,12 +667,17 @@ sub write_info_file($)
$data .= "BRDA:$ln,0,$i,$taken\n";
}
}
-
$data .= "end_of_record\n";
}
- open OUT, ">$fname" or die "Can't open $fname";
- print OUT $data or die "Failed to write to $fname";
- close OUT or die "Failed to close to $fname";
+ if ($fname =~ m/\.gz$/) {
+ my $fh = IO::Zlib->new($fname, "wb") or die "can't open $fname";
+ print $fh $data or die "Failed to write to $fname";
+ $fh->close or die "Failed to write to $fname";
+ } else {
+ open OUT, ">$fname" or die "Can't open $fname";
+ print OUT $data or die "Failed to write to $fname";
+ close OUT or die "Failed to close to $fname";
+ }
}
sub print_code_coverage($$$)
@@ -1354,7 +1378,7 @@ if ($ignore_unused) {
}
foreach my $f (@ARGV) {
- if ($f =~ /.json$/) {
+ if ($f =~ /\.json(\.gz)?$/) {
read_json($f);
} else {
read_info($f);
@@ -1435,7 +1459,7 @@ if ($show_files) {
}
if ($output_file) {
- if ($output_file =~ /.json$/) {
+ if ($output_file =~ /.json(.gz)?$/) {
write_json_file($output_file);
} else {
write_info_file($output_file);
--
2.43.0
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