commit 886548ab38f95aa4e8fbe17d978e5a03de9cb22a
author Holmes Chou <holmeschou@google.com> Mon May 30 03:33:25 2022 +0000
committer Holmes Chou <holmeschou@google.com> Mon May 30 03:33:25 2022 +0000
tree c48da6f0c84697d9fe21d56d4b26870aa2b03200
parent f5df353bb7ad4a24c67ce4cc7a05a3a42c086e8d

LWIS: Correct struct sched_param value when set thread priority

The sched_param.sched_priority value can be 1 to 99.
1 is lower and 99 is higher priority.

Bug: 233231079
Test: GCA, CTS, ps -eo pid,cmd,pcy,sch,pr,pri,ni
Change-Id: Ie68b39c1a4a30329e68f71c0a8e42c801a0032e0

lwis_util.c

diff --git a/lwis_util.c b/lwis_util.c
index d23a85b..3e8c37e 100644
--- a/lwis_util.c
+++ b/lwis_util.c
@@ -137,7 +137,7 @@
 	}
 	if (priority < MAX_RT_PRIO) {
 		policy = SCHED_FIFO;
-		param.sched_priority = priority;
+		param.sched_priority = MAX_RT_PRIO - priority;
 	} else {
 		policy = SCHED_NORMAL;
 		param.sched_priority = 0;