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+What: /sys/fs/orangefs/perf_counters/*
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ Counters and settings for various caches.
+ Read only.
+
+
+What: /sys/fs/orangefs/perf_counter_reset
+Date: June 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ echo a 0 or a 1 into perf_counter_reset to
+ reset all the counters in
+ /sys/fs/orangefs/perf_counters
+ except ones with PINT_PERF_PRESERVE set.
+
+
+What: /sys/fs/orangefs/perf_time_interval_secs
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ Length of perf counter intervals in
+ seconds.
+
+
+What: /sys/fs/orangefs/perf_history_size
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ The perf_counters cache statistics have N, or
+ perf_history_size, samples. The default is
+ one.
+
+ Every perf_time_interval_secs the (first)
+ samples are reset.
+
+ If N is greater than one, the "current" set
+ of samples is reset, and the samples from the
+ other N-1 intervals remain available.
+
+
+What: /sys/fs/orangefs/op_timeout_secs
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ Service operation timeout in seconds.
+
+
+What: /sys/fs/orangefs/slot_timeout_secs
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ "Slot" timeout in seconds. A "slot"
+ is an indexed buffer in the shared
+ memory segment used for communication
+ between the kernel module and userspace.
+ Slots are requested and waited for,
+ the wait times out after slot_timeout_secs.
+
+
+What: /sys/fs/orangefs/acache/*
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ Attribute cache configurable settings.
+
+
+What: /sys/fs/orangefs/ncache/*
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ Name cache configurable settings.
+
+
+What: /sys/fs/orangefs/capcache/*
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ Capability cache configurable settings.
+
+
+What: /sys/fs/orangefs/ccache/*
+Date: Jun 2015
+Contact: Mike Marshall <hubcap@omnibond.com>
+Description:
+ Credential cache configurable settings.