C++ (Cpp) pci_sw_counter_show Examples

Example #1

static int pci_perf_show(struct seq_file *m, void *v)
{
	struct zpci_dev *zdev = m->private;
	u64 *stat;
	int i;

	if (!zdev)
		return 0;
	if (!zdev->fmb)
		return seq_printf(m, "FMB statistics disabled\n");

	/* header */
	seq_printf(m, "FMB @ %p\n", zdev->fmb);
	seq_printf(m, "Update interval: %u ms\n", zdev->fmb_update);
	seq_printf(m, "Samples: %u\n", zdev->fmb->samples);
	seq_printf(m, "Last update TOD: %Lx\n", zdev->fmb->last_update);

	/* hardware counters */
	stat = (u64 *) &zdev->fmb->ld_ops;
	for (i = 0; i < 4; i++)
		seq_printf(m, "%26s:\t%llu\n",
			   pci_perf_names[i], *(stat + i));
	if (zdev->fmb->dma_valid)
		for (i = 4; i < 6; i++)
			seq_printf(m, "%26s:\t%llu\n",
				   pci_perf_names[i], *(stat + i));

	pci_sw_counter_show(m);
	return 0;
}

Example #2

File: pci_debug.c Project: AlexShiLucky/linux

static int pci_perf_show(struct seq_file *m, void *v)
{
	struct zpci_dev *zdev = m->private;

	if (!zdev)
		return 0;

	mutex_lock(&zdev->lock);
	if (!zdev->fmb) {
		mutex_unlock(&zdev->lock);
		seq_puts(m, "FMB statistics disabled\n");
		return 0;
	}

	/* header */
	seq_printf(m, "Update interval: %u ms\n", zdev->fmb_update);
	seq_printf(m, "Samples: %u\n", zdev->fmb->samples);
	seq_printf(m, "Last update TOD: %Lx\n", zdev->fmb->last_update);

	pci_fmb_show(m, pci_common_names, ARRAY_SIZE(pci_common_names),
		     &zdev->fmb->ld_ops);

	switch (zdev->fmb->format) {
	case 0:
		if (!(zdev->fmb->fmt_ind & ZPCI_FMB_DMA_COUNTER_VALID))
			break;
		pci_fmb_show(m, pci_fmt0_names, ARRAY_SIZE(pci_fmt0_names),
			     &zdev->fmb->fmt0.dma_rbytes);
		break;
	case 1:
		pci_fmb_show(m, pci_fmt1_names, ARRAY_SIZE(pci_fmt1_names),
			     &zdev->fmb->fmt1.rx_bytes);
		break;
	case 2:
		pci_fmb_show(m, pci_fmt2_names, ARRAY_SIZE(pci_fmt2_names),
			     &zdev->fmb->fmt2.consumed_work_units);
		break;
	case 3:
		pci_fmb_show(m, pci_fmt3_names, ARRAY_SIZE(pci_fmt3_names),
			     &zdev->fmb->fmt3.tx_bytes);
		break;
	default:
		seq_puts(m, "Unknown format\n");
	}

	pci_sw_counter_show(m);
	mutex_unlock(&zdev->lock);
	return 0;
}