commit 43bf3fdddfd6b0ac65ef59bec3c79d9f9064e8bd
Author: GeunSik,Lim <leemgs1@xxxxxxxxx>
Date: Thu May 14 13:39:18 2009 +0900
ftrace: fix typo in ftrace.txt file.
Fix typo about chart to map the kernel priority to
user land priorities.
About sched_setscheduler(2)
Processes scheduled under SCHED_FIFO or SCHED_RR
can have a static priority in the range 1 to 99.
Signed-off-by: GeunSik Lim <geunsik.lim@xxxxxxxxxxx>
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index fd9a3e6..0e17632 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -518,9 +518,14 @@ priority with zero (0) being the highest priority and the nice
values starting at 100 (nice -20). Below is a quick chart to map
the kernel priority to user land priorities.
- Kernel priority: 0 to 99 ==> user RT priority 99 to 0
- Kernel priority: 100 to 139 ==> user nice -20 to 19
- Kernel priority: 140 ==> idle task priority
+ Kernel priority: 0(high) to 99(low) ==> user RT priority 99(high) to 1(low)
+ Kernel priority: 100(high) to 139(low) ==> user nice -20(high) to 19(low)
+ Kernel priority: 140 ==> idle task priority
+
+Processes scheduled with SCHED_OTHER or SCHED_BATCH must be assigned
+the static priority 0. Processes scheduled under SCHED_FIFO or SCHED_RR
+can have a static priority in the range 1 to 99.
+ (reference: $> man 2 sched_setscheduler)
The task states are:
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GeunSik Lim (ELS - OS Group - S/W Lab - SAIT - SAMSUNG)
e-Mail :1) geunsik.lim@xxxxxxxxxxx
2) leemgs@xxxxxxxxx , leemgs1@xxxxxxxxx
HomePage: http://intomail.dnip.net/invain/me/
-----------------------------------------------
commit 43bf3fdddfd6b0ac65ef59bec3c79d9f9064e8bd
Author: GeunSik,Lim <leemgs1@xxxxxxxxx>
Date: Thu May 14 13:39:18 2009 +0900
ftrace: fix typo in ftrace.txt file.
Fix typo about chart to map the kernel priority to
user land priorities.
About sched_setscheduler(2)
Processes scheduled under SCHED_FIFO or SCHED_RR
can have a static priority in the range 1 to 99.
Signed-off-by: GeunSik Lim <geunsik.lim@xxxxxxxxxxx>
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index fd9a3e6..0e17632 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -518,9 +518,14 @@ priority with zero (0) being the highest priority and the nice
values starting at 100 (nice -20). Below is a quick chart to map
the kernel priority to user land priorities.
- Kernel priority: 0 to 99 ==> user RT priority 99 to 0
- Kernel priority: 100 to 139 ==> user nice -20 to 19
- Kernel priority: 140 ==> idle task priority
+ Kernel priority: 0(high) to 99(low) ==> user RT priority 99(high) to 1(low)
+ Kernel priority: 100(high) to 139(low) ==> user nice -20(high) to 19(low)
+ Kernel priority: 140 ==> idle task priority
+
+Processes scheduled with SCHED_OTHER or SCHED_BATCH must be assigned
+the static priority 0. Processes scheduled under SCHED_FIFO or SCHED_RR
+can have a static priority in the range 1 to 99.
+ (reference: $> man 2 sched_setscheduler)
The task states are:
