From 1c5eb4481e0151d579f738175497f998840f7bbc Mon Sep 17 00:00:00 2001 From: "Steven Rostedt (VMware)" Date: Thu, 9 Jan 2020 18:53:48 -0500 Subject: tracing: Rename trace_buffer to array_buffer As we are working to remove the generic "ring_buffer" name that is used by both tracing and perf, the ring_buffer name for tracing will be renamed to trace_buffer, and perf's ring buffer will be renamed to perf_buffer. As there already exists a trace_buffer that is used by the trace_arrays, it needs to be first renamed to array_buffer. Link: https://lore.kernel.org/r/20191213153553.GE20583@krava Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace_sched_wakeup.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'kernel/trace/trace_sched_wakeup.c') diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c index 617e297f46dc..510fda2fcd24 100644 --- a/kernel/trace/trace_sched_wakeup.c +++ b/kernel/trace/trace_sched_wakeup.c @@ -82,7 +82,7 @@ func_prolog_preempt_disable(struct trace_array *tr, if (cpu != wakeup_current_cpu) goto out_enable; - *data = per_cpu_ptr(tr->trace_buffer.data, cpu); + *data = per_cpu_ptr(tr->array_buffer.data, cpu); disabled = atomic_inc_return(&(*data)->disabled); if (unlikely(disabled != 1)) goto out; @@ -378,7 +378,7 @@ tracing_sched_switch_trace(struct trace_array *tr, unsigned long flags, int pc) { struct trace_event_call *call = &event_context_switch; - struct ring_buffer *buffer = tr->trace_buffer.buffer; + struct ring_buffer *buffer = tr->array_buffer.buffer; struct ring_buffer_event *event; struct ctx_switch_entry *entry; @@ -408,7 +408,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr, struct trace_event_call *call = &event_wakeup; struct ring_buffer_event *event; struct ctx_switch_entry *entry; - struct ring_buffer *buffer = tr->trace_buffer.buffer; + struct ring_buffer *buffer = tr->array_buffer.buffer; event = trace_buffer_lock_reserve(buffer, TRACE_WAKE, sizeof(*entry), flags, pc); @@ -459,7 +459,7 @@ probe_wakeup_sched_switch(void *ignore, bool preempt, /* disable local data, not wakeup_cpu data */ cpu = raw_smp_processor_id(); - disabled = atomic_inc_return(&per_cpu_ptr(wakeup_trace->trace_buffer.data, cpu)->disabled); + disabled = atomic_inc_return(&per_cpu_ptr(wakeup_trace->array_buffer.data, cpu)->disabled); if (likely(disabled != 1)) goto out; @@ -471,7 +471,7 @@ probe_wakeup_sched_switch(void *ignore, bool preempt, goto out_unlock; /* The task we are waiting for is waking up */ - data = per_cpu_ptr(wakeup_trace->trace_buffer.data, wakeup_cpu); + data = per_cpu_ptr(wakeup_trace->array_buffer.data, wakeup_cpu); __trace_function(wakeup_trace, CALLER_ADDR0, CALLER_ADDR1, flags, pc); tracing_sched_switch_trace(wakeup_trace, prev, next, flags, pc); @@ -494,7 +494,7 @@ out_unlock: arch_spin_unlock(&wakeup_lock); local_irq_restore(flags); out: - atomic_dec(&per_cpu_ptr(wakeup_trace->trace_buffer.data, cpu)->disabled); + atomic_dec(&per_cpu_ptr(wakeup_trace->array_buffer.data, cpu)->disabled); } static void __wakeup_reset(struct trace_array *tr) @@ -513,7 +513,7 @@ static void wakeup_reset(struct trace_array *tr) { unsigned long flags; - tracing_reset_online_cpus(&tr->trace_buffer); + tracing_reset_online_cpus(&tr->array_buffer); local_irq_save(flags); arch_spin_lock(&wakeup_lock); @@ -551,7 +551,7 @@ probe_wakeup(void *ignore, struct task_struct *p) return; pc = preempt_count(); - disabled = atomic_inc_return(&per_cpu_ptr(wakeup_trace->trace_buffer.data, cpu)->disabled); + disabled = atomic_inc_return(&per_cpu_ptr(wakeup_trace->array_buffer.data, cpu)->disabled); if (unlikely(disabled != 1)) goto out; @@ -583,7 +583,7 @@ probe_wakeup(void *ignore, struct task_struct *p) local_save_flags(flags); - data = per_cpu_ptr(wakeup_trace->trace_buffer.data, wakeup_cpu); + data = per_cpu_ptr(wakeup_trace->array_buffer.data, wakeup_cpu); data->preempt_timestamp = ftrace_now(cpu); tracing_sched_wakeup_trace(wakeup_trace, p, current, flags, pc); __trace_stack(wakeup_trace, flags, 0, pc); @@ -598,7 +598,7 @@ probe_wakeup(void *ignore, struct task_struct *p) out_locked: arch_spin_unlock(&wakeup_lock); out: - atomic_dec(&per_cpu_ptr(wakeup_trace->trace_buffer.data, cpu)->disabled); + atomic_dec(&per_cpu_ptr(wakeup_trace->array_buffer.data, cpu)->disabled); } static void start_wakeup_tracer(struct trace_array *tr) -- cgit v1.2.3