drivers/perf: hisi_pcie: Add more events for counting TLP bandwidth
authorYicong Yang <yangyicong@hisilicon.com>
Fri, 23 Feb 2024 10:33:55 +0000 (18:33 +0800)
committerWill Deacon <will@kernel.org>
Mon, 4 Mar 2024 14:18:28 +0000 (14:18 +0000)
A typical PCIe transaction is consisted of various TLP packets in both
direction. For counting bandwidth only memory read events are exported
currently. Add memory write and completion counting events of both
direction to complete the bandwidth counting.

Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240223103359.18669-5-yangyicong@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
drivers/perf/hisilicon/hisi_pcie_pmu.c

index 9176242eadb3cb9e8711821d983c6ac7ff913089..6f39cb82661ebfab4eaff326cdaf500131d38dc7 100644 (file)
@@ -727,10 +727,18 @@ static struct attribute *hisi_pcie_pmu_events_attr[] = {
        HISI_PCIE_PMU_EVENT_ATTR(rx_mrd_cnt, 0x10210),
        HISI_PCIE_PMU_EVENT_ATTR(tx_mrd_latency, 0x0011),
        HISI_PCIE_PMU_EVENT_ATTR(tx_mrd_cnt, 0x10011),
+       HISI_PCIE_PMU_EVENT_ATTR(rx_mwr_flux, 0x0104),
+       HISI_PCIE_PMU_EVENT_ATTR(rx_mwr_time, 0x10104),
        HISI_PCIE_PMU_EVENT_ATTR(rx_mrd_flux, 0x0804),
        HISI_PCIE_PMU_EVENT_ATTR(rx_mrd_time, 0x10804),
+       HISI_PCIE_PMU_EVENT_ATTR(rx_cpl_flux, 0x2004),
+       HISI_PCIE_PMU_EVENT_ATTR(rx_cpl_time, 0x12004),
+       HISI_PCIE_PMU_EVENT_ATTR(tx_mwr_flux, 0x0105),
+       HISI_PCIE_PMU_EVENT_ATTR(tx_mwr_time, 0x10105),
        HISI_PCIE_PMU_EVENT_ATTR(tx_mrd_flux, 0x0405),
        HISI_PCIE_PMU_EVENT_ATTR(tx_mrd_time, 0x10405),
+       HISI_PCIE_PMU_EVENT_ATTR(tx_cpl_flux, 0x1005),
+       HISI_PCIE_PMU_EVENT_ATTR(tx_cpl_time, 0x11005),
        NULL
 };