diff options
-rwxr-xr-x | scripts/ninja-ts | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/scripts/ninja-ts b/scripts/ninja-ts new file mode 100755 index 0000000..7c6b1cf --- /dev/null +++ b/scripts/ninja-ts @@ -0,0 +1,33 @@ +#!/usr/bin/perl +# ninja-ts - wsa's Add A Time Stamp Filter V1.1 +# written by Wolfram Sang, (C) 2009 Pengutronix, (C) 2022 Sang Engineering +# free software - no warranty - WTFPL V2, see http://sam.zoy.org/wtfpl/ + +use warnings; +use strict; +use Time::HiRes qw(gettimeofday tv_interval); + +my $arg = defined($ARGV[0]) ? $ARGV[0] : '(?=foo)bar'; # false-branch is a regexp that never matches +if ($arg eq '--help' or $arg eq '-h') { + print "ninja-ts [regexp] - a filter which prepends a timestamp to every line of STDOUT; time will be reset if [regexp] matches\n"; + print " Example: picocom <picocom_options> | ninja-ts 'Starting kernel ...'\n"; + exit 0; +} + +my $old; +my $base; +$| = 1; # Flush output immediately + +sub reset_time { + $old = 0; + $base = [gettimeofday()]; +} + +reset_time; +while (<STDIN>) { + reset_time if (/$arg/o); + my $new = tv_interval($base); + my $diff = $new - $old; + printf("[%10.6f] <%10.6f> $_", $new, $diff); + $old = $new; +} |