Make the inclusion of sched_trace_XXX() and TRACE() a configurable option.

This allows us to remove the debugging code from benchmarking kernels.

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 0dfee81281..da6f1e964f 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1210,6 +1210,7 @@ config KPROBES
           a probepoint and specifies the callback.  Kprobes is useful
           for kernel debugging, non-intrusive instrumentation and testing.
           If in doubt, say "N".
+
 endmenu
 
 source "arch/i386/Kconfig.debug"
@@ -1259,3 +1260,30 @@ config X86_TRAMPOLINE
 config KTIME_SCALAR
         bool
         default y
+
+
+menu "LITMUS^RT"
+
+
+config SCHED_TASK_TRACE
+        bool "Trace real-time tasks"
+        default y       
+        help
+          Include support for the sched_trace_XXX() tracing functions. This
+          allows the collection of real-time task events such as job 
+          completions, job releases, early completions, etc. This results in  a
+          small overhead in the scheduling code. Disable if the overhead is not
+          acceptable (e.g., benchmarking).
+
+config SCHED_DEBUG_TRACE
+        bool "TRACE() debugging"
+        default y       
+        help
+          Include support for sched_trace_log_messageg(), which is used to 
+          implement TRACE(). If disabled, no TRACE() messages will be included
+          in the kernel, and no overheads due to debugging statements will be
+          incurred by the scheduler. Disable if the overhead is not acceptable
+          (e.g. benchmarking).
+
+
+endmenu