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| author | Rajat Jain <rajatja@google.com> | 2018-06-22 02:48:28 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2018-07-20 00:19:51 +0300 |
| commit | 81aa5206f9a7c9793e2f7971400351664e40b04f (patch) | |
| tree | 972f1ff3c75b02752f0f78f412f0bd113709db3b /Documentation/PCI | |
| parent | db89ccbe52c7885644ba578c7771e57620f879b1 (diff) | |
| download | linux-81aa5206f9a7c9793e2f7971400351664e40b04f.tar.xz | |
PCI/AER: Add sysfs attributes to provide AER stats and breakdown
Add sysfs attributes to provide total and breakdown of the AERs seen,
into different type of correctable, fatal and nonfatal errors:
/sys/bus/pci/devices/<dev>/aer_dev_correctable
/sys/bus/pci/devices/<dev>/aer_dev_fatal
/sys/bus/pci/devices/<dev>/aer_dev_nonfatal
Signed-off-by: Rajat Jain <rajatja@google.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'Documentation/PCI')
| -rw-r--r-- | Documentation/PCI/pcieaer-howto.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/PCI/pcieaer-howto.txt b/Documentation/PCI/pcieaer-howto.txt index acd0dddd6bb8..48ce7903e3c6 100644 --- a/Documentation/PCI/pcieaer-howto.txt +++ b/Documentation/PCI/pcieaer-howto.txt @@ -73,6 +73,11 @@ In the example, 'Requester ID' means the ID of the device who sends the error message to root port. Pls. refer to pci express specs for other fields. +2.4 AER Statistics / Counters + +When PCIe AER errors are captured, the counters / statistics are also exposed +in the form of sysfs attributes which are documented at +Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats 3. Developer Guide |