C++ (Cpp) ds_resume_bts Examples

Example #1

File: trace_hw_branches.c Project: antonywcl/AR-5315u_PLD

/*
 * Collect the trace on the current cpu and write it into the ftrace buffer.
 *
 * pre: bts_tracer_lock must be locked
 */
static void trace_bts_cpu(void *arg)
{
	struct trace_array *tr = (struct trace_array *) arg;
	const struct bts_trace *trace;
	unsigned char *at;

	if (unlikely(!tr))
		return;

	if (unlikely(atomic_read(&tr->data[raw_smp_processor_id()]->disabled)))
		return;

	if (unlikely(!this_tracer))
		return;

	ds_suspend_bts(this_tracer);
	trace = ds_read_bts(this_tracer);
	if (!trace)
		goto out;

	for (at = trace->ds.top; (void *)at < trace->ds.end;
	     at += trace->ds.size)
		trace_bts_at(trace, at);

	for (at = trace->ds.begin; (void *)at < trace->ds.top;
	     at += trace->ds.size)
		trace_bts_at(trace, at);

out:
	ds_resume_bts(this_tracer);
}

Example #2

File: trace_hw_branches.c Project: 458941968/mini2440-kernel-2.6.29

static void trace_bts_cpu(void *arg)
{
	struct trace_array *tr = (struct trace_array *) arg;
	const struct bts_trace *trace;
	unsigned char *at;

	if (!this_tracer)
		return;

	ds_suspend_bts(this_tracer);
	trace = ds_read_bts(this_tracer);
	if (!trace)
		goto out;

	for (at = trace->ds.top; (void *)at < trace->ds.end;
	     at += trace->ds.size)
		trace_bts_at(tr, trace, at);

	for (at = trace->ds.begin; (void *)at < trace->ds.top;
	     at += trace->ds.size)
		trace_bts_at(tr, trace, at);

out:
	ds_resume_bts(this_tracer);
}

Example #3

static void bts_trace_start(struct trace_array *tr)
{
	int cpu;

	get_online_cpus();
	for_each_online_cpu(cpu)
    if (likely(per_cpu(hwb_tracer, cpu)))
        ds_resume_bts(per_cpu(hwb_tracer, cpu));
	trace_hw_branches_suspended = 0;
	put_online_cpus();
}

Example #4

static void trace_bts_prepare(struct trace_iterator *iter)
{
	int cpu;

	get_online_cpus();
	for_each_online_cpu(cpu)
		if (likely(per_cpu(tracer, cpu)))
			ds_suspend_bts(per_cpu(tracer, cpu));
	
	on_each_cpu(trace_bts_cpu, iter->tr, 1);

	for_each_online_cpu(cpu)
		if (likely(per_cpu(tracer, cpu)))
			ds_resume_bts(per_cpu(tracer, cpu));
	put_online_cpus();
}

Example #5

File: ds_selftest.c Project: 325116067/semc-qsd8x50

static int ds_resume_bts_wrap(struct bts_tracer *tracer)
{
	ds_resume_bts(tracer);
	return 0;
}