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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"
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