[profile]: [10/23] ia64 profiling cleanups

[William Lee Irwin III]

Convert ia64 to use profiling_on() and profile_tick().

Index: prof-2.6.7/arch/ia64/kernel/time.c
===================================================================
--- prof-2.6.7.orig/arch/ia64/kernel/time.c	2004-06-15 22:19:01.000000000 -0700
+++ prof-2.6.7/arch/ia64/kernel/time.c	2004-06-22 07:25:51.482336664 -0700
@@ -19,7 +19,6 @@
 #include <linux/time.h>
 #include <linux/interrupt.h>
 #include <linux/efi.h>
-#include <linux/profile.h>
 #include <linux/timex.h>
 
 #include <asm/machvec.h>
@@ -203,7 +202,7 @@
 	if (user_mode(regs))
 		return;
 
-	if (!prof_buffer)
+	if (!profiling_on())
 		return;
 
 	ip = instruction_pointer(regs);
@@ -217,19 +216,8 @@
 	 * Only measure the CPUs specified by /proc/irq/prof_cpu_mask.
 	 * (default is all CPUs.)
 	 */
-	if (!cpu_isset(smp_processor_id(), prof_cpu_mask))
-		return;
-
-	ip -= (unsigned long) &_stext;
-	ip >>= prof_shift;
-	/*
-	 * Don't ignore out-of-bounds IP values silently,
-	 * put them into the last histogram slot, so if
-	 * present, they will show up as a sharp peak.
-	 */
-	if (ip > prof_len-1)
-		ip = prof_len-1;
-	atomic_inc((atomic_t *)&prof_buffer[ip]);
+	if (cpu_isset(smp_processor_id(), prof_cpu_mask))
+		profile_tick(ip);
 }
 
 static irqreturn_t
-
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