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| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-dfl_fme | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-dfl_fme b/Documentation/ABI/testing/sysfs-bus-event_source-devices-dfl_fme new file mode 100644 index 000000000000..63a32ddcb95e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-dfl_fme @@ -0,0 +1,104 @@ +What: /sys/bus/event_source/devices/dfl_fmeX/format +Date: April 2020 +KernelVersion: 5.8 +Contact: Wu Hao <hao.wu@intel.com> +Description: Read-only. Attribute group to describe the magic bits + that go into perf_event_attr.config for a particular pmu. + (See ABI/testing/sysfs-bus-event_source-devices-format). + + Each attribute under this group defines a bit range of the + perf_event_attr.config. All supported attributes are listed + below:: + + event = "config:0-11" - event ID + evtype = "config:12-15" - event type + portid = "config:16-23" - event source + + For example:: + + fab_mmio_read = "event=0x06,evtype=0x02,portid=0xff" + + It shows this fab_mmio_read is a fabric type (0x02) event with + 0x06 local event id for overall monitoring (portid=0xff). + +What: /sys/bus/event_source/devices/dfl_fmeX/cpumask +Date: April 2020 +KernelVersion: 5.8 +Contact: Wu Hao <hao.wu@intel.com> +Description: Read-only. This file always returns cpu which the PMU is bound + for access to all fme pmu performance monitoring events. + +What: /sys/bus/event_source/devices/dfl_fmeX/events +Date: April 2020 +KernelVersion: 5.8 +Contact: Wu Hao <hao.wu@intel.com> +Description: Read-only. Attribute group to describe performance monitoring + events specific to fme. Each attribute in this group describes + a single performance monitoring event supported by this fme pmu. + The name of the file is the name of the event. + (See ABI/testing/sysfs-bus-event_source-devices-events). + + All supported performance monitoring events are listed below. + + Basic events (evtype=0x00):: + + clock = "event=0x00,evtype=0x00,portid=0xff" + + Cache events (evtype=0x01):: + + cache_read_hit = "event=0x00,evtype=0x01,portid=0xff" + cache_read_miss = "event=0x01,evtype=0x01,portid=0xff" + cache_write_hit = "event=0x02,evtype=0x01,portid=0xff" + cache_write_miss = "event=0x03,evtype=0x01,portid=0xff" + cache_hold_request = "event=0x05,evtype=0x01,portid=0xff" + cache_data_write_port_contention = + "event=0x06,evtype=0x01,portid=0xff" + cache_tag_write_port_contention = + "event=0x07,evtype=0x01,portid=0xff" + cache_tx_req_stall = "event=0x08,evtype=0x01,portid=0xff" + cache_rx_req_stall = "event=0x09,evtype=0x01,portid=0xff" + cache_eviction = "event=0x0a,evtype=0x01,portid=0xff" + + Fabric events (evtype=0x02):: + + fab_pcie0_read = "event=0x00,evtype=0x02,portid=0xff" + fab_pcie0_write = "event=0x01,evtype=0x02,portid=0xff" + fab_pcie1_read = "event=0x02,evtype=0x02,portid=0xff" + fab_pcie1_write = "event=0x03,evtype=0x02,portid=0xff" + fab_upi_read = "event=0x04,evtype=0x02,portid=0xff" + fab_upi_write = "event=0x05,evtype=0x02,portid=0xff" + fab_mmio_read = "event=0x06,evtype=0x02,portid=0xff" + fab_mmio_write = "event=0x07,evtype=0x02,portid=0xff" + fab_port_pcie0_read = "event=0x00,evtype=0x02,portid=?" + fab_port_pcie0_write = "event=0x01,evtype=0x02,portid=?" + fab_port_pcie1_read = "event=0x02,evtype=0x02,portid=?" + fab_port_pcie1_write = "event=0x03,evtype=0x02,portid=?" + fab_port_upi_read = "event=0x04,evtype=0x02,portid=?" + fab_port_upi_write = "event=0x05,evtype=0x02,portid=?" + fab_port_mmio_read = "event=0x06,evtype=0x02,portid=?" + fab_port_mmio_write = "event=0x07,evtype=0x02,portid=?" + + VTD events (evtype=0x03):: + + vtd_port_read_transaction = "event=0x00,evtype=0x03,portid=?" + vtd_port_write_transaction = "event=0x01,evtype=0x03,portid=?" + vtd_port_devtlb_read_hit = "event=0x02,evtype=0x03,portid=?" + vtd_port_devtlb_write_hit = "event=0x03,evtype=0x03,portid=?" + vtd_port_devtlb_4k_fill = "event=0x04,evtype=0x03,portid=?" + vtd_port_devtlb_2m_fill = "event=0x05,evtype=0x03,portid=?" + vtd_port_devtlb_1g_fill = "event=0x06,evtype=0x03,portid=?" + + VTD SIP events (evtype=0x04):: + + vtd_sip_iotlb_4k_hit = "event=0x00,evtype=0x04,portid=0xff" + vtd_sip_iotlb_2m_hit = "event=0x01,evtype=0x04,portid=0xff" + vtd_sip_iotlb_1g_hit = "event=0x02,evtype=0x04,portid=0xff" + vtd_sip_slpwc_l3_hit = "event=0x03,evtype=0x04,portid=0xff" + vtd_sip_slpwc_l4_hit = "event=0x04,evtype=0x04,portid=0xff" + vtd_sip_rcc_hit = "event=0x05,evtype=0x04,portid=0xff" + vtd_sip_iotlb_4k_miss = "event=0x06,evtype=0x04,portid=0xff" + vtd_sip_iotlb_2m_miss = "event=0x07,evtype=0x04,portid=0xff" + vtd_sip_iotlb_1g_miss = "event=0x08,evtype=0x04,portid=0xff" + vtd_sip_slpwc_l3_miss = "event=0x09,evtype=0x04,portid=0xff" + vtd_sip_slpwc_l4_miss = "event=0x0a,evtype=0x04,portid=0xff" + vtd_sip_rcc_miss = "event=0x0b,evtype=0x04,portid=0xff" |