diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2016-06-03 16:05:51 +0300 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2016-06-03 16:05:51 +0300 |
commit | 2eec3707a33fbf1c2e0a88ffc9fc0e465c2a59fd (patch) | |
tree | 9e47763ecd38f0ddd29f07e1ce199680304449fa /Documentation/infiniband/sysfs.txt | |
parent | 59fa5860204ffc95128d60cba9f54f9740a42c7d (diff) | |
parent | 0de6b9979e2e10c79e5702d2d902cd7284d17689 (diff) | |
download | linux-2eec3707a33fbf1c2e0a88ffc9fc0e465c2a59fd.tar.xz |
Merge tag 'irqchip-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Merge irqchip updates from Marc Zyngier:
- A number of embarassing buglets (GICv3, PIC32)
- A more substential errata workaround for Cavium's GICv3 ITS
(kept for post-rc1 due to its dependency on NUMA)
Diffstat (limited to 'Documentation/infiniband/sysfs.txt')
-rw-r--r-- | Documentation/infiniband/sysfs.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/infiniband/sysfs.txt b/Documentation/infiniband/sysfs.txt index 3ecf0c3a133f..45bcafe6ff8a 100644 --- a/Documentation/infiniband/sysfs.txt +++ b/Documentation/infiniband/sysfs.txt @@ -56,6 +56,18 @@ SYSFS FILES ports/1/pkeys/10 contains the value at index 10 in port 1's P_Key table. + There is an optional "hw_counters" subdirectory that may be under either + the parent device or the port subdirectories or both. If present, + there are a list of counters provided by the hardware. They may match + some of the counters in the counters directory, but they often include + many other counters. In addition to the various counters, there will + be a file named "lifespan" that configures how frequently the core + should update the counters when they are being accessed (counters are + not updated if they are not being accessed). The lifespan is in milli- + seconds and defaults to 10 unless set to something else by the driver. + Users may echo a value between 0 - 10000 to the lifespan file to set + the length of time between updates in milliseconds. + MTHCA The Mellanox HCA driver also creates the files: |