From: Frederic Weisbecker <fweisbec@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Tony Luck <tony.luck@intel.com>,
Wanpeng Li <wanpeng.li@hotmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Thomas Gleixner <tglx@linutronix.de>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@kernel.org>,
Fenghua Yu <fenghua.yu@intel.com>, Rik van Riel <riel@redhat.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Stanislaw Gruszka <sgruszka@redhat.com>
Subject: [PATCH 10/37] x86: Convert obsolete cputime type to nsecs
Date: Sun, 22 Jan 2017 19:19:46 +0100 [thread overview]
Message-ID: <1485109213-8561-11-git-send-email-fweisbec@gmail.com> (raw)
In-Reply-To: <1485109213-8561-1-git-send-email-fweisbec@gmail.com>
Use the new nsec based cputime accessors as part of the whole cputime
conversion from cputime_t to nsecs.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
arch/x86/kernel/apm_32.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 89c84fc..4a7080c 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -905,21 +905,21 @@ static int apm_cpu_idle(struct cpuidle_device *dev,
{
static int use_apm_idle; /* = 0 */
static unsigned int last_jiffies; /* = 0 */
- static unsigned int last_stime; /* = 0 */
- cputime_t stime, utime;
+ static u64 last_stime; /* = 0 */
+ u64 stime, utime;
int apm_idle_done = 0;
unsigned int jiffies_since_last_check = jiffies - last_jiffies;
unsigned int bucket;
recalc:
- task_cputime_t(current, &utime, &stime);
+ task_cputime(current, &utime, &stime);
if (jiffies_since_last_check > IDLE_CALC_LIMIT) {
use_apm_idle = 0;
} else if (jiffies_since_last_check > idle_period) {
unsigned int idle_percentage;
- idle_percentage = cputime_to_jiffies(stime - last_stime);
+ idle_percentage = nsecs_to_jiffies(stime - last_stime);
idle_percentage *= 100;
idle_percentage /= jiffies_since_last_check;
use_apm_idle = (idle_percentage > idle_threshold);
--
2.7.4
next prev parent reply other threads:[~2017-01-22 18:21 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-22 18:19 [PATCH 00/37] cputime: Convert core use of cputime_t to nsecs v3 Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 01/37] jiffies: Reuse TICK_NSEC instead of NSEC_PER_JIFFY Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 02/37] time: Introduce jiffies64_to_nsecs() Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 03/37] sched: Remove unused INIT_CPUTIME macro Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 04/37] cputime: Convert kcpustat to nsecs Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 05/37] macintosh/rack-meter: Remove cputime_t internal use Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 06/37] cputime: Convert guest time accounting to nsecs Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 07/37] cputime: Special API to return old-typed cputime Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 08/37] cputime: Convert task/group cputime to nsecs Frederic Weisbecker
2017-01-28 11:57 ` Stanislaw Gruszka
2017-01-28 15:28 ` Frederic Weisbecker
2017-01-30 13:54 ` Stanislaw Gruszka
2017-01-30 15:38 ` Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 09/37] alpha: Convert obsolete cputime_t " Frederic Weisbecker
2017-01-22 18:19 ` Frederic Weisbecker [this message]
2017-01-22 18:19 ` [PATCH 11/37] isdn: Convert obsolete cputime type " Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 12/37] binfmt: " Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 13/37] acct: " Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 14/37] delaycct: " Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 15/37] tsacct: " Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 16/37] signal: " Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 17/37] cputime: Increment kcpustat directly on irqtime account Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 18/37] posix-timers: Use TICK_NSEC instead of a dynamically ad-hoc calculated version Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 19/37] posix-timers: Convert internals to use nsecs Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 20/37] itimer: Convert internal cputime_t units to nsec Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 21/37] sched: Remove temporary cputime_t accessors Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 22/37] cputime: Push time to account_user_time() in nsecs Frederic Weisbecker
2017-01-22 18:19 ` [PATCH 23/37] cputime: Push time to account_steal_time() " Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 24/37] cputime: Push time to account_idle_time() " Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 25/37] cputime: Push time to account_system_time() " Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 26/37] cputime: Complete nsec conversion of tick based accounting Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 27/37] vtime: Return nsecs instead of cputime_t to account Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 28/37] cputime: Remove jiffies based cputime Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 29/37] ia64: Move nsecs based cputime headers to the last arch using it Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 30/37] ia64: Convert vtime to use nsec units directly Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 31/37] ia64: Remove unused cputime definitions Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 32/37] s390: Make arch_cpu_idle_time() to return nsecs Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 33/37] powerpc: Remove unused cputime definitions Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 34/37] s390: " Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 35/37] cputime: Remove unused nsec_to_cputime Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 36/37] cputime: Remove asm generic headers Frederic Weisbecker
2017-01-22 18:20 ` [PATCH 37/37] s390: Prevent from cputime leaks Frederic Weisbecker
2017-01-23 9:44 ` Martin Schwidefsky
2017-01-25 15:25 ` Frederic Weisbecker
2017-01-25 15:40 ` Martin Schwidefsky
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