Date: Sun, 23 Jul 2023 19:27:24 GMT From: Jan Beich <jbeich@FreeBSD.org> To: ports-committers@FreeBSD.org, dev-commits-ports-all@FreeBSD.org, dev-commits-ports-branches@FreeBSD.org Subject: git: 2ff9ebccfa41 - 2023Q3 - x11-wm/kwinft: support mac_priority(4) on Wayland Message-ID: <202307231927.36NJROeQ058986@gitrepo.freebsd.org>
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The branch 2023Q3 has been updated by jbeich: URL: https://cgit.FreeBSD.org/ports/commit/?id=2ff9ebccfa41712c5d4498a08a510e22d977fe24 commit 2ff9ebccfa41712c5d4498a08a510e22d977fe24 Author: Jan Beich <jbeich@FreeBSD.org> AuthorDate: 2023-07-15 08:31:14 +0000 Commit: Jan Beich <jbeich@FreeBSD.org> CommitDate: 2023-07-23 19:26:10 +0000 x11-wm/kwinft: support mac_priority(4) on Wayland https://blog.martin-graesslin.com/blog/2017/09/kwinwayland-goes-real-time/ (cherry picked from commit 9bb1dbe677724f5a7a6bb29e6978842468387670) --- x11-wm/kwinft/Makefile | 2 +- x11-wm/kwinft/files/patch-main__wayland.cpp | 36 +++++++++++++++++++++++++++++ x11-wm/kwinft/pkg-message | 7 ++++++ 3 files changed, 44 insertions(+), 1 deletion(-) diff --git a/x11-wm/kwinft/Makefile b/x11-wm/kwinft/Makefile index 4c84f53db734..7ff6452443dd 100644 --- a/x11-wm/kwinft/Makefile +++ b/x11-wm/kwinft/Makefile @@ -1,7 +1,7 @@ PORTNAME= kwinft DISTVERSIONPREFIX= ${PORTNAME}@ DISTVERSION= 5.27.0 -PORTREVISION= 1 +PORTREVISION= 2 CATEGORIES= x11-wm wayland MAINTAINER= jbeich@FreeBSD.org diff --git a/x11-wm/kwinft/files/patch-main__wayland.cpp b/x11-wm/kwinft/files/patch-main__wayland.cpp new file mode 100644 index 000000000000..df6a92432f05 --- /dev/null +++ b/x11-wm/kwinft/files/patch-main__wayland.cpp @@ -0,0 +1,36 @@ +- Emulate SCHED_RESET_ON_FORK via pthread_atfork +- Switch to pthread_setschedparam as Linux sched_setscheduler + operates on threads contrary to POSIX + +--- main_wayland.cpp.orig 2023-02-17 14:50:58 UTC ++++ main_wayland.cpp +@@ -58,7 +58,7 @@ along with this program. If not, see <http://www.gnu. + #include <QDebug> + #include <QWindow> + +-#include <sched.h> ++#include <pthread.h> + #include <sys/resource.h> + + #include <iostream> +@@ -122,12 +122,17 @@ void gainRealTime() + namespace { + void gainRealTime() + { +-#if HAVE_SCHED_RESET_ON_FORK + const int minPriority = sched_get_priority_min(SCHED_RR); + sched_param sp; + sp.sched_priority = minPriority; +- sched_setscheduler(0, SCHED_RR | SCHED_RESET_ON_FORK, &sp); +-#endif ++ if (pthread_setschedparam(pthread_self(), SCHED_RR, &sp)) ++ return; ++ ++ pthread_atfork(NULL, NULL, []() { ++ sched_param sp; ++ sp.sched_priority = 0; ++ pthread_setschedparam(pthread_self(), SCHED_OTHER, &sp); ++ }); + } + } + diff --git a/x11-wm/kwinft/pkg-message b/x11-wm/kwinft/pkg-message index 68e3a0e9b0dd..969f9444a619 100644 --- a/x11-wm/kwinft/pkg-message +++ b/x11-wm/kwinft/pkg-message @@ -36,6 +36,13 @@ Replace KWin in Plasma Desktop: $ pkg set -o x11-wm/plasma5-kwin:x11-wm/kwinft $ pkg upgrade -f kwinft $ pkg lock kwinft + +Improve Wayland responsiveness under high load: + + $ sysrc kld_list+=mac_priority + $ service kld restart + $ pw groupmod realtime -m <user> + $ exit # log out to refresh group permissions EOM } ]
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