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Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats b/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats deleted file mode 100644 index d1f67bb81d5d..000000000000 --- a/Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats +++ /dev/null @@ -1,119 +0,0 @@ -PCIe Device AER statistics --------------------------- - -These attributes show up under all the devices that are AER capable. These -statistical counters indicate the errors "as seen/reported by the device". -Note that this may mean that if an endpoint is causing problems, the AER -counters may increment at its link partner (e.g. root port) because the -errors may be "seen" / reported by the link partner and not the -problematic endpoint itself (which may report all counters as 0 as it never -saw any problems). - -What: /sys/bus/pci/devices/<dev>/aer_dev_correctable -Date: July 2018 -KernelVersion: 4.19.0 -Contact: linux-pci@vger.kernel.org, rajatja@google.com -Description: List of correctable errors seen and reported by this - PCI device using ERR_COR. Note that since multiple errors may - be reported using a single ERR_COR message, thus - TOTAL_ERR_COR at the end of the file may not match the actual - total of all the errors in the file. Sample output:: - - localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_correctable - Receiver Error 2 - Bad TLP 0 - Bad DLLP 0 - RELAY_NUM Rollover 0 - Replay Timer Timeout 0 - Advisory Non-Fatal 0 - Corrected Internal Error 0 - Header Log Overflow 0 - TOTAL_ERR_COR 2 - -What: /sys/bus/pci/devices/<dev>/aer_dev_fatal -Date: July 2018 -KernelVersion: 4.19.0 -Contact: linux-pci@vger.kernel.org, rajatja@google.com -Description: List of uncorrectable fatal errors seen and reported by this - PCI device using ERR_FATAL. Note that since multiple errors may - be reported using a single ERR_FATAL message, thus - TOTAL_ERR_FATAL at the end of the file may not match the actual - total of all the errors in the file. Sample output:: - - localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_fatal - Undefined 0 - Data Link Protocol 0 - Surprise Down Error 0 - Poisoned TLP 0 - Flow Control Protocol 0 - Completion Timeout 0 - Completer Abort 0 - Unexpected Completion 0 - Receiver Overflow 0 - Malformed TLP 0 - ECRC 0 - Unsupported Request 0 - ACS Violation 0 - Uncorrectable Internal Error 0 - MC Blocked TLP 0 - AtomicOp Egress Blocked 0 - TLP Prefix Blocked Error 0 - TOTAL_ERR_FATAL 0 - -What: /sys/bus/pci/devices/<dev>/aer_dev_nonfatal -Date: July 2018 -KernelVersion: 4.19.0 -Contact: linux-pci@vger.kernel.org, rajatja@google.com -Description: List of uncorrectable nonfatal errors seen and reported by this - PCI device using ERR_NONFATAL. Note that since multiple errors - may be reported using a single ERR_FATAL message, thus - TOTAL_ERR_NONFATAL at the end of the file may not match the - actual total of all the errors in the file. Sample output:: - - localhost /sys/devices/pci0000:00/0000:00:1c.0 # cat aer_dev_nonfatal - Undefined 0 - Data Link Protocol 0 - Surprise Down Error 0 - Poisoned TLP 0 - Flow Control Protocol 0 - Completion Timeout 0 - Completer Abort 0 - Unexpected Completion 0 - Receiver Overflow 0 - Malformed TLP 0 - ECRC 0 - Unsupported Request 0 - ACS Violation 0 - Uncorrectable Internal Error 0 - MC Blocked TLP 0 - AtomicOp Egress Blocked 0 - TLP Prefix Blocked Error 0 - TOTAL_ERR_NONFATAL 0 - -PCIe Rootport AER statistics ----------------------------- - -These attributes show up under only the rootports (or root complex event -collectors) that are AER capable. These indicate the number of error messages as -"reported to" the rootport. Please note that the rootports also transmit -(internally) the ERR_* messages for errors seen by the internal rootport PCI -device, so these counters include them and are thus cumulative of all the error -messages on the PCI hierarchy originating at that root port. - -What: /sys/bus/pci/devices/<dev>/aer_rootport_total_err_cor -Date: July 2018 -KernelVersion: 4.19.0 -Contact: linux-pci@vger.kernel.org, rajatja@google.com -Description: Total number of ERR_COR messages reported to rootport. - -What: /sys/bus/pci/devices/<dev>/aer_rootport_total_err_fatal -Date: July 2018 -KernelVersion: 4.19.0 -Contact: linux-pci@vger.kernel.org, rajatja@google.com -Description: Total number of ERR_FATAL messages reported to rootport. - -What: /sys/bus/pci/devices/<dev>/aer_rootport_total_err_nonfatal -Date: July 2018 -KernelVersion: 4.19.0 -Contact: linux-pci@vger.kernel.org, rajatja@google.com -Description: Total number of ERR_NONFATAL messages reported to rootport. |