sched/cputime: Push time to account_system_time() in nsecs

This is one more step toward converting cputime accounting to pure nsecs.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Link: http://lkml.kernel.org/r/1485832191-26889-25-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

4 files changed, 18 insertions, 16 deletions

diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 5dc801d97790..f15bca4776a7 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -21,6 +21,7 @@
 #include <linux/timex.h>
 #include <linux/timekeeper_internal.h>
 #include <linux/platform_device.h>
+#include <linux/cputime.h>
 
 #include <asm/machvec.h>
 #include <asm/delay.h>
@@ -64,29 +65,29 @@ extern cputime_t cycle_to_cputime(u64 cyc);
 void vtime_flush(struct task_struct *tsk)
 {
 	struct thread_info *ti = task_thread_info(tsk);
-	cputime_t delta;
+	u64 delta;
 
 	if (ti->utime)
 		account_user_time(tsk, cputime_to_nsecs(cycle_to_cputime(ti->utime)));
 
 	if (ti->gtime)
-		account_guest_time(tsk, cycle_to_cputime(ti->gtime));
+		account_guest_time(tsk, cputime_to_nsecs(cycle_to_cputime(ti->gtime)));
 
 	if (ti->idle_time)
 		account_idle_time(cputime_to_nsecs(cycle_to_cputime(ti->idle_time)));
 
 	if (ti->stime) {
-		delta = cycle_to_cputime(ti->stime);
+		delta = cputime_to_nsecs(cycle_to_cputime(ti->stime));
 		account_system_index_time(tsk, delta, CPUTIME_SYSTEM);
 	}
 
 	if (ti->hardirq_time) {
-		delta = cycle_to_cputime(ti->hardirq_time);
+		delta = cputime_to_nsecs(cycle_to_cputime(ti->hardirq_time));
 		account_system_index_time(tsk, delta, CPUTIME_IRQ);
 	}
 
 	if (ti->softirq_time) {
-		delta = cycle_to_cputime(ti->softirq_time);
+		delta = cputime_to_nsecs(cycle_to_cputime(ti->softirq_time));
 		account_system_index_time(tsk, delta, CPUTIME_SOFTIRQ);
 	}
 
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 739897a10fd3..01f53bfe100b 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -57,6 +57,7 @@
 #include <linux/clk-provider.h>
 #include <linux/suspend.h>
 #include <linux/rtc.h>
+#include <linux/cputime.h>
 #include <asm/trace.h>
 
 #include <asm/io.h>
@@ -72,7 +73,6 @@
 #include <asm/smp.h>
 #include <asm/vdso_datapage.h>
 #include <asm/firmware.h>
-#include <asm/cputime.h>
 #include <asm/asm-prototypes.h>
 
 /* powerpc clocksource/clockevent code */
@@ -399,7 +399,7 @@ void vtime_flush(struct task_struct *tsk)
 		tsk->utimescaled += cputime_to_nsecs(acct->utime_scaled);
 
 	if (acct->gtime)
-		account_guest_time(tsk, acct->gtime);
+		account_guest_time(tsk, cputime_to_nsecs(acct->gtime));
 
 	if (acct->steal_time)
 		account_steal_time(cputime_to_nsecs(acct->steal_time));
@@ -408,16 +408,17 @@ void vtime_flush(struct task_struct *tsk)
 		account_idle_time(cputime_to_nsecs(acct->idle_time));
 
 	if (acct->stime)
-		account_system_index_time(tsk, acct->stime, CPUTIME_SYSTEM);
-
+		account_system_index_time(tsk, cputime_to_nsecs(acct->stime),
+					  CPUTIME_SYSTEM);
 	if (acct->stime_scaled)
 		tsk->stimescaled += cputime_to_nsecs(acct->stime_scaled);
 
 	if (acct->hardirq_time)
-		account_system_index_time(tsk, acct->hardirq_time, CPUTIME_IRQ);
-
+		account_system_index_time(tsk, cputime_to_nsecs(acct->hardirq_time),
+					  CPUTIME_IRQ);
 	if (acct->softirq_time)
-		account_system_index_time(tsk, acct->softirq_time, CPUTIME_SOFTIRQ);
+		account_system_index_time(tsk, cputime_to_nsecs(acct->softirq_time),
+					  CPUTIME_SOFTIRQ);
 
 	acct->utime = 0;
 	acct->utime_scaled = 0;
diff --git a/arch/s390/kernel/idle.c b/arch/s390/kernel/idle.c
index 99f1d8185ae2..5c0e08e761c3 100644
--- a/arch/s390/kernel/idle.c
+++ b/arch/s390/kernel/idle.c
@@ -12,7 +12,7 @@
 #include <linux/notifier.h>
 #include <linux/init.h>
 #include <linux/cpu.h>
-#include <asm/cputime.h>
+#include <linux/cputime.h>
 #include <asm/nmi.h>
 #include <asm/smp.h>
 #include "entry.h"
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 1e7023c6ef23..b4a3e9e06ef2 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -6,13 +6,13 @@
  */
 
 #include <linux/kernel_stat.h>
+#include <linux/cputime.h>
 #include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/timex.h>
 #include <linux/types.h>
 #include <linux/time.h>
 
-#include <asm/cputime.h>
 #include <asm/vtimer.h>
 #include <asm/vtime.h>
 #include <asm/cpu_mf.h>
@@ -115,7 +115,7 @@ static void account_system_index_scaled(struct task_struct *p,
 					enum cpu_usage_stat index)
 {
 	p->stimescaled += cputime_to_nsecs(scaled);
-	account_system_index_time(p, cputime, index);
+	account_system_index_time(p, cputime_to_nsecs(cputime), index);
 }
 
 /*
@@ -171,7 +171,7 @@ static int do_account_vtime(struct task_struct *tsk)
 	}
 
 	if (guest) {
-		account_guest_time(tsk, guest);
+		account_guest_time(tsk, cputime_to_nsecs(guest));
 		tsk->utimescaled += cputime_to_nsecs(scale_vtime(guest));
 	}