From b5f9fd0f8a05c9bafb91a9a85b9110938d8e585b Mon Sep 17 00:00:00 2001 From: Jason Baron Date: Wed, 11 Feb 2009 13:57:25 -0500 Subject: tracing: convert c/p state power tracer to use tracepoints Convert the c/p state "power" tracer to use tracepoints. Avoids a function call when the tracer is disabled. Signed-off-by: Jason Baron Acked-by: Ingo Molnar Signed-off-by: Steven Rostedt --- arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 2 ++ arch/x86/kernel/process.c | 3 +++ 2 files changed, 5 insertions(+) (limited to 'arch') diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 7ed925edf4d2..c5d737cdb365 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -70,6 +70,8 @@ struct acpi_cpufreq_data { static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data); +DEFINE_TRACE(power_mark); + /* acpi_perf_data is a pointer to percpu data. */ static struct acpi_processor_performance *acpi_perf_data; diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 026819ffcb0c..e0d0fd7ab514 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -19,6 +19,9 @@ EXPORT_SYMBOL(idle_nomwait); struct kmem_cache *task_xstate_cachep; +DEFINE_TRACE(power_start); +DEFINE_TRACE(power_end); + int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { *dst = *src; -- cgit v1.2.2