I got the following on compile:
cd ~/work/kernels/svn/linux_realtime_ernie/
make
CHK include/linux/version.h
make[1]: `arch/i386/kernel/asm-offsets.s' is up to date.
CHK include/asm-i386/asm_offsets.h
CHK include/linux/compile.h
CHK usr/initramfs_list
CC kernel/latency.o
kernel/latency.c: In function 'check_critical_timing':
kernel/latency.c:1298: warning: 'flags' may be used uninitialized in this
function
kernel/latency.c: In function '__start_critical_timing':
kernel/latency.c:1444: error: too few arguments to function '____trace'
kernel/latency.c: In function '__stop_critical_timing':
kernel/latency.c:1462: error: too few arguments to function '____trace'
make[1]: *** [kernel/latency.o] Error 1
make: *** [kernel] Error 2
Here's a patch. I'm assuming this is what you want with flags. I
haven't looked too deep into it ____trace. (I only look down a few '_'
not 4 of them :-)
-- Steve
Signed-off-by: Steven Rostedt
Index: linux_realtime_ernie/kernel/latency.c
===================================================================
--- linux_realtime_ernie/kernel/latency.c (revision 293)
+++ linux_realtime_ernie/kernel/latency.c (working copy)
@@ -1295,7 +1295,7 @@
{
unsigned long latency, t0, t1;
cycles_t T0, T1, T2, delta;
- unsigned long flags;
+ unsigned long flags = 0;
if (trace_user_triggered)
return;
@@ -1441,7 +1441,7 @@
_trace_cmdline(cpu, tr);
raw_local_save_flags(flags);
- ____trace(cpu, TRACE_FN, tr, eip, parent_eip, 0, 0, 0);
+ ____trace(cpu, TRACE_FN, tr, eip, parent_eip, 0, 0, 0, flags);
atomic_dec(&tr->disabled);
}
@@ -1459,7 +1459,7 @@
atomic_inc(&tr->disabled);
raw_local_save_flags(flags);
- ____trace(cpu, TRACE_FN, tr, eip, parent_eip, 0, 0, 0);
+ ____trace(cpu, TRACE_FN, tr, eip, parent_eip, 0, 0, 0, flags);
check_critical_timing(cpu, tr, eip);
tr->critical_start = 0;
atomic_dec(&tr->disabled);
-
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