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cpuidle: add a repeating pattern detector to the menu governor
[safe/jmp/linux-2.6]
/
init
/
calibrate.c
diff --git
a/init/calibrate.c
b/init/calibrate.c
index
7963e3f
..
6eb48e5
100644
(file)
--- a/
init/calibrate.c
+++ b/
init/calibrate.c
@@
-123,23
+123,26
@@
void __cpuinit calibrate_delay(void)
{
unsigned long ticks, loopbit;
int lps_precision = LPS_PREC;
{
unsigned long ticks, loopbit;
int lps_precision = LPS_PREC;
+ static bool printed;
if (preset_lpj) {
loops_per_jiffy = preset_lpj;
if (preset_lpj) {
loops_per_jiffy = preset_lpj;
- printk(KERN_INFO
- "Calibrating delay loop (skipped) preset value.. ");
- } else if ((smp_processor_id() == 0) && lpj_fine) {
+ if (!printed)
+ pr_info("Calibrating delay loop (skipped) "
+ "preset value.. ");
+ } else if ((!printed) && lpj_fine) {
loops_per_jiffy = lpj_fine;
loops_per_jiffy = lpj_fine;
- printk(KERN_INFO
- "Calibrating delay loop (skipped), "
+ pr_info("Calibrating delay loop (skipped), "
"value calculated using timer frequency.. ");
} else if ((loops_per_jiffy = calibrate_delay_direct()) != 0) {
"value calculated using timer frequency.. ");
} else if ((loops_per_jiffy = calibrate_delay_direct()) != 0) {
- printk(KERN_INFO
- "Calibrating delay using timer specific routine.. ");
+ if (!printed)
+ pr_info("Calibrating delay using timer "
+ "specific routine.. ");
} else {
loops_per_jiffy = (1<<12);
} else {
loops_per_jiffy = (1<<12);
- printk(KERN_INFO "Calibrating delay loop... ");
+ if (!printed)
+ pr_info("Calibrating delay loop... ");
while ((loops_per_jiffy <<= 1) != 0) {
/* wait for "start of" clock tick */
ticks = jiffies;
while ((loops_per_jiffy <<= 1) != 0) {
/* wait for "start of" clock tick */
ticks = jiffies;
@@
-170,7
+173,10
@@
void __cpuinit calibrate_delay(void)
loops_per_jiffy &= ~loopbit;
}
}
loops_per_jiffy &= ~loopbit;
}
}
- printk(KERN_INFO "%lu.%02lu BogoMIPS (lpj=%lu)\n",
+ if (!printed)
+ pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ)) % 100, loops_per_jiffy);
loops_per_jiffy/(500000/HZ),
(loops_per_jiffy/(5000/HZ)) % 100, loops_per_jiffy);
+
+ printed = true;
}
}