From: Thomas Gleixner Date: Wed, 16 Jul 2014 21:04:50 +0000 (+0000) Subject: arm: bL_switcher:k Use ktime_get_real_ns() X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=41fa4215f8e8150bdc5d2a5f8704915f1b059fa8;p=deliverable%2Flinux.git arm: bL_switcher:k Use ktime_get_real_ns() 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 Signed-off-by: John Stultz --- diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c index 490f3dced749..6eaddc47c43d 100644 --- a/arch/arm/common/bL_switcher.c +++ b/arch/arm/common/bL_switcher.c @@ -57,16 +57,6 @@ static int read_mpidr(void) return id & MPIDR_HWID_BITMASK; } -/* - * 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_cluster_id) */ 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_cluster_id) 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 mpidr) 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)