linux-kernel - [for-next][PATCH 6/8] ktest.pl: Turn off buffering to the log file

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Message-ID: <20200701231756.447829309@goodmis.org>
Date:   Wed, 01 Jul 2020 19:17:23 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     "John Warthog9 Hawley" <warthog9@...nel.org>
Subject: [for-next][PATCH 6/8] ktest.pl: Turn off buffering to the log file

From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>

The log file should be up to date to whatever is happening in ktest.
Disable buffering to the LOG output file handle.

Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 tools/testing/ktest/ktest.pl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index f20a81bb3abe..e90e2e7cb72c 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -11,6 +11,7 @@ use File::Path qw(mkpath);
 use File::Copy qw(cp);
 use FileHandle;
 use FindBin;
+use IO::Handle;
 
 my $VERSION = "0.2";
 
@@ -4091,6 +4092,7 @@ if (defined($opt{"LOG_FILE"})) {
 	unlink $opt{"LOG_FILE"};
     }
     open(LOG, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}";
+    LOG->autoflush(1);
 }
 
 doprint "\n\nSTARTING AUTOMATED TESTS\n\n";
-- 
2.26.2