From e0c3b5f9a5f46fa1a29a83393a50acc74d545981 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marko=20M=C3=A4kel=C3=A4?= Date: Thu, 18 Mar 2021 16:28:09 +0200 Subject: [PATCH] MDEV-24883 fixup: Avoid io_uring in ./mtr --rr Until https://github.com/rr-debugger/rr/issues/2613 has been addressed, ./mtr --rr will fail to start up the server if it has been configured with liburing. To make the ./mtr --rr option work out of the box, we will disable native asynchronous I/O. Note: libaio never worked under rr, but it failed more gracefully: the emulated io_setup() call would always return an error. --- mysql-test/lib/My/Debugger.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mysql-test/lib/My/Debugger.pm b/mysql-test/lib/My/Debugger.pm index 0854a1c436323..8003d1eebb76b 100644 --- a/mysql-test/lib/My/Debugger.pm +++ b/mysql-test/lib/My/Debugger.pm @@ -74,7 +74,7 @@ my %debuggers = ( options => '-f -o {log} {exe} {args}', }, rr => { - options => '_RR_TRACE_DIR={log} rr record {exe} {args}', + options => '_RR_TRACE_DIR={log} rr record {exe} {args} --loose-skip-innodb-use-native-aio', run => 'env', pre => sub { ::mtr_error('rr requires kernel.perf_event_paranoid <= 1')