From mboxrd@z Thu Jan 1 00:00:00 1970 From: tglx@linutronix.de (Thomas Gleixner) Date: Fri, 11 Jul 2014 13:44:59 -0000 Subject: [patch 41/55] arm: bL_switcher:k Use ktime_get_real_ns() References: <20140711133623.530368377@linutronix.de> Message-ID: <20140711133708.760127423@linutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Use the nanoseconds based interface instead of converting from a timespec. Signed-off-by: Thomas Gleixner Cc: Russell King Cc: linux-arm-kernel at lists.infradead.org --- arch/arm/common/bL_switcher.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) Index: tip/arch/arm/common/bL_switcher.c =================================================================== --- tip.orig/arch/arm/common/bL_switcher.c +++ tip/arch/arm/common/bL_switcher.c @@ -58,16 +58,6 @@ static int read_mpidr(void) } /* - * Get a global nanosecond time stamp for tracing. - */ -static s64 get_ns(void) -{ - struct timespec ts; - getnstimeofday(&ts); - return timespec_to_ns(&ts); -} - -/* * bL switcher core code. */ @@ -224,7 +214,7 @@ static int bL_switch_to(unsigned int new */ local_irq_disable(); local_fiq_disable(); - trace_cpu_migrate_begin(get_ns(), ob_mpidr); + trace_cpu_migrate_begin(ktime_get_real_ns(), ob_mpidr); /* redirect GIC's SGIs to our counterpart */ gic_migrate_target(bL_gic_id[ib_cpu][ib_cluster]); @@ -267,7 +257,7 @@ static int bL_switch_to(unsigned int new tdev->evtdev->next_event, 1); } - trace_cpu_migrate_finish(get_ns(), ib_mpidr); + trace_cpu_migrate_finish(ktime_get_real_ns(), ib_mpidr); local_fiq_enable(); local_irq_enable(); @@ -558,7 +548,7 @@ int bL_switcher_get_logical_index(u32 mp static void bL_switcher_trace_trigger_cpu(void *__always_unused info) { - trace_cpu_migrate_current(get_ns(), read_mpidr()); + trace_cpu_migrate_current(ktime_get_real_ns(), read_mpidr()); } int bL_switcher_trace_trigger(void) From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754308AbaGKNpG (ORCPT ); Fri, 11 Jul 2014 09:45:06 -0400 Received: from www.linutronix.de ([62.245.132.108]:56240 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753634AbaGKNpC (ORCPT ); Fri, 11 Jul 2014 09:45:02 -0400 Message-Id: <20140711133708.760127423@linutronix.de> User-Agent: quilt/0.63-1 Date: Fri, 11 Jul 2014 13:44:59 -0000 From: Thomas Gleixner To: LKML Cc: John Stultz , Peter Zijlstra , Russell King , linux-arm-kernel@lists.infradead.org Subject: [patch 41/55] arm: bL_switcher:k Use ktime_get_real_ns() References: <20140711133623.530368377@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=arm-bL_switcher-use-ktime_get_ns.patch X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the nanoseconds based interface instead of converting from a timespec. Signed-off-by: Thomas Gleixner Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org --- arch/arm/common/bL_switcher.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) Index: tip/arch/arm/common/bL_switcher.c =================================================================== --- tip.orig/arch/arm/common/bL_switcher.c +++ tip/arch/arm/common/bL_switcher.c @@ -58,16 +58,6 @@ static int read_mpidr(void) } /* - * Get a global nanosecond time stamp for tracing. - */ -static s64 get_ns(void) -{ - struct timespec ts; - getnstimeofday(&ts); - return timespec_to_ns(&ts); -} - -/* * bL switcher core code. */ @@ -224,7 +214,7 @@ static int bL_switch_to(unsigned int new */ local_irq_disable(); local_fiq_disable(); - trace_cpu_migrate_begin(get_ns(), ob_mpidr); + trace_cpu_migrate_begin(ktime_get_real_ns(), ob_mpidr); /* redirect GIC's SGIs to our counterpart */ gic_migrate_target(bL_gic_id[ib_cpu][ib_cluster]); @@ -267,7 +257,7 @@ static int bL_switch_to(unsigned int new tdev->evtdev->next_event, 1); } - trace_cpu_migrate_finish(get_ns(), ib_mpidr); + trace_cpu_migrate_finish(ktime_get_real_ns(), ib_mpidr); local_fiq_enable(); local_irq_enable(); @@ -558,7 +548,7 @@ int bL_switcher_get_logical_index(u32 mp static void bL_switcher_trace_trigger_cpu(void *__always_unused info) { - trace_cpu_migrate_current(get_ns(), read_mpidr()); + trace_cpu_migrate_current(ktime_get_real_ns(), read_mpidr()); } int bL_switcher_trace_trigger(void)