---

yaml --- r: 91441 b: refs/heads/master c: 96366a8 h: refs/heads/master i: 91439: f7f39a1 v: v3
git-mirror · Mar 25, 2008 · 085ce59 · 085ce59
1 parent 35bef0e
commit 085ce59
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 71e91a0abb839f8d2372236d8fe0513c295ec717
+refs/heads/master: 96366a8d3f17ee964802378d4a1f51fda86f070e
diff --git a/trunk/arch/powerpc/platforms/pseries/setup.c b/trunk/arch/powerpc/platforms/pseries/setup.c
@@ -393,13 +393,15 @@ static void pseries_dedicated_idle_sleep(void)
 { 
 	unsigned int cpu = smp_processor_id();
 	unsigned long start_snooze;
+	unsigned long in_purr, out_purr;
 
 	/*
 	 * Indicate to the HV that we are idle. Now would be
 	 * a good time to find other work to dispatch.
 	 */
 	get_lppaca()->idle = 1;
 	get_lppaca()->donate_dedicated_cpu = 1;
+	in_purr = mfspr(SPRN_PURR);
 
 	/*
 	 * We come in with interrupts disabled, and need_resched()
@@ -432,6 +434,8 @@ static void pseries_dedicated_idle_sleep(void)
 
 out:
 	HMT_medium();
+	out_purr = mfspr(SPRN_PURR);
+	get_lppaca()->wait_state_cycles += out_purr - in_purr;
 	get_lppaca()->donate_dedicated_cpu = 0;
 	get_lppaca()->idle = 0;
 }