diff options
| author | Aaron Miller <aaronmiller@fb.com> | 2016-11-03 23:01:53 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2017-01-19 10:29:40 +0100 |
| commit | 4fb6fde74d6724dc6d64ec729f950fbdeefd7f07 (patch) | |
| tree | d0030c8f6195834f3d410ca70ce5f4561bc34ec9 /Documentation/ABI | |
| parent | EDAC, amd64: Save and return err code from probe_one_instance() (diff) | |
| download | linux-4fb6fde74d6724dc6d64ec729f950fbdeefd7f07.tar.xz linux-4fb6fde74d6724dc6d64ec729f950fbdeefd7f07.zip | |
EDAC: Expose per-DIMM error counts in sysfs
The old csrowX sysfs directories have per-csrow error counters, but the
new dimmX directories do not currently expose error counts.
EDAC already keeps these counts, add them to sysfs so per-DIMM counts
are still available when CONFIG_EDAC_LEGACY_SYSFS=n.
Signed-off-by: Aaron Miller <aaronmiller@fb.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20161103220153.3997328-1-aaronmiller@fb.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-edac | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-edac b/Documentation/ABI/testing/sysfs-devices-edac index 6568e0010e1a..46ff929fd52a 100644 --- a/Documentation/ABI/testing/sysfs-devices-edac +++ b/Documentation/ABI/testing/sysfs-devices-edac @@ -138,3 +138,20 @@ Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> Description: This attribute file will display what type of memory is currently on this csrow. Normally, either buffered or unbuffered memory (for example, Unbuffered-DDR3). + +What: /sys/devices/system/edac/mc/mc*/(dimm|rank)*/dimm_ce_count +Date: October 2016 +Contact: linux-edac@vger.kernel.org +Description: This attribute file displays the total count of correctable + errors that have occurred on this DIMM. This count is very important + to examine. CEs provide early indications that a DIMM is beginning + to fail. This count field should be monitored for non-zero values + and report such information to the system administrator. + +What: /sys/devices/system/edac/mc/mc*/(dimm|rank)*/dimm_ue_count +Date: October 2016 +Contact: linux-edac@vger.kernel.org +Description: This attribute file displays the total count of uncorrectable + errors that have occurred on this DIMM. If panic_on_ue is set, this + counter will not have a chance to increment, since EDAC will panic the + system |