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tracing: Remove special traces

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Special traces type was only used by sysprof. Lets remove it now
that sysprof ftrace plugin has been dropped.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Soeren Sandmann <sandmann@daimi.au.dk>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Li Zefan <lizf@cn.fujitsu.com>
This commit is contained in:
Frederic Weisbecker
2010-07-16 00:50:03 +02:00
parent f376bf5ffb
commit eb7beb5c09
7 changed files with 0 additions and 163 deletions
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55
kernel/trace/trace.c
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@@ -1331,61 +1331,6 @@ static void __trace_userstack(struct trace_array *tr, unsigned long flags)
#endif /* CONFIG_STACKTRACE */
static void
ftrace_trace_special(void *__tr,
unsigned long arg1, unsigned long arg2, unsigned long arg3,
int pc)
{
struct ftrace_event_call *call = &event_special;
struct ring_buffer_event *event;
struct trace_array *tr = __tr;
struct ring_buffer *buffer = tr->buffer;
struct special_entry *entry;
event = trace_buffer_lock_reserve(buffer, TRACE_SPECIAL,
sizeof(*entry), 0, pc);
if (!event)
return;
entry = ring_buffer_event_data(event);
entry->arg1 = arg1;
entry->arg2 = arg2;
entry->arg3 = arg3;
if (!filter_check_discard(call, entry, buffer, event))
trace_buffer_unlock_commit(buffer, event, 0, pc);
}
void
__trace_special(void *__tr, void *__data,
unsigned long arg1, unsigned long arg2, unsigned long arg3)
{
ftrace_trace_special(__tr, arg1, arg2, arg3, preempt_count());
}
void
ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
{
struct trace_array *tr = &global_trace;
struct trace_array_cpu *data;
unsigned long flags;
int cpu;
int pc;
if (tracing_disabled)
return;
pc = preempt_count();
local_irq_save(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
if (likely(atomic_inc_return(&data->disabled) == 1))
ftrace_trace_special(tr, arg1, arg2, arg3, pc);
atomic_dec(&data->disabled);
local_irq_restore(flags);
}
/**
* trace_vbprintk - write binary msg to tracing buffer
*