perf intel-pt: Factor out common sample preparation for re-use

	       pt->num_events++ < pt->synth_opts.initial_skip;

}

static void intel_pt_prep_a_sample(struct intel_pt_queue *ptq,

				   union perf_event *event,

				   struct perf_sample *sample)

{

	event->sample.header.type = PERF_RECORD_SAMPLE;

	event->sample.header.size = sizeof(struct perf_event_header);

	sample->pid = ptq->pid;

	sample->tid = ptq->tid;

	sample->cpu = ptq->cpu;

	sample->insn_len = ptq->insn_len;

	memcpy(sample->insn, ptq->insn, INTEL_PT_INSN_BUF_SZ);

}

static void intel_pt_prep_b_sample(struct intel_pt *pt,

				   struct intel_pt_queue *ptq,

				   union perf_event *event,

				   struct perf_sample *sample)

{

	intel_pt_prep_a_sample(ptq, event, sample);

	if (!pt->timeless_decoding)

		sample->time = tsc_to_perf_time(ptq->timestamp, &pt->tc);

	sample->ip = ptq->state->from_ip;

	sample->cpumode = intel_pt_cpumode(pt, sample->ip);

	sample->pid = ptq->pid;

	sample->tid = ptq->tid;

	sample->addr = ptq->state->to_ip;

	sample->period = 1;

	sample->cpu = ptq->cpu;

	sample->flags = ptq->flags;

	sample->insn_len = ptq->insn_len;

	memcpy(sample->insn, ptq->insn, INTEL_PT_INSN_BUF_SZ);

	event->sample.header.type = PERF_RECORD_SAMPLE;

	event->sample.header.misc = sample->cpumode;

	event->sample.header.size = sizeof(struct perf_event_header);

}

static int intel_pt_inject_event(union perf_event *event,