Commit 00ca69b8 authored by Yicong Yang's avatar Yicong Yang Committed by Will Deacon
Browse files

drivers/perf: hisi_pcie: Add more events for counting TLP bandwidth 



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: default avatarYicong Yang <yangyicong@hisilicon.com>
Reviewed-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240223103359.18669-5-yangyicong@huawei.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent b6693ad6

drivers/perf/hisilicon/hisi_pcie_pmu.c

+8 −0
Original line number Diff line number Diff line
@@ -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

};