0001 What: /sys/fs/orangefs/perf_counters/*
0002 Date: Jun 2015
0003 Contact: Mike Marshall <hubcap@omnibond.com>
0004 Description:
0005 Counters and settings for various caches.
0006 Read only.
0007
0008
0009 What: /sys/fs/orangefs/perf_counter_reset
0010 Date: June 2015
0011 Contact: Mike Marshall <hubcap@omnibond.com>
0012 Description:
0013 echo a 0 or a 1 into perf_counter_reset to
0014 reset all the counters in
0015 /sys/fs/orangefs/perf_counters
0016 except ones with PINT_PERF_PRESERVE set.
0017
0018
0019 What: /sys/fs/orangefs/perf_time_interval_secs
0020 Date: Jun 2015
0021 Contact: Mike Marshall <hubcap@omnibond.com>
0022 Description:
0023 Length of perf counter intervals in
0024 seconds.
0025
0026
0027 What: /sys/fs/orangefs/perf_history_size
0028 Date: Jun 2015
0029 Contact: Mike Marshall <hubcap@omnibond.com>
0030 Description:
0031 The perf_counters cache statistics have N, or
0032 perf_history_size, samples. The default is
0033 one.
0034
0035 Every perf_time_interval_secs the (first)
0036 samples are reset.
0037
0038 If N is greater than one, the "current" set
0039 of samples is reset, and the samples from the
0040 other N-1 intervals remain available.
0041
0042
0043 What: /sys/fs/orangefs/op_timeout_secs
0044 Date: Jun 2015
0045 Contact: Mike Marshall <hubcap@omnibond.com>
0046 Description:
0047 Service operation timeout in seconds.
0048
0049
0050 What: /sys/fs/orangefs/slot_timeout_secs
0051 Date: Jun 2015
0052 Contact: Mike Marshall <hubcap@omnibond.com>
0053 Description:
0054 "Slot" timeout in seconds. A "slot"
0055 is an indexed buffer in the shared
0056 memory segment used for communication
0057 between the kernel module and userspace.
0058 Slots are requested and waited for,
0059 the wait times out after slot_timeout_secs.
0060
0061
0062 What: /sys/fs/orangefs/acache/*
0063 Date: Jun 2015
0064 Contact: Mike Marshall <hubcap@omnibond.com>
0065 Description:
0066 Attribute cache configurable settings.
0067
0068
0069 What: /sys/fs/orangefs/ncache/*
0070 Date: Jun 2015
0071 Contact: Mike Marshall <hubcap@omnibond.com>
0072 Description:
0073 Name cache configurable settings.
0074
0075
0076 What: /sys/fs/orangefs/capcache/*
0077 Date: Jun 2015
0078 Contact: Mike Marshall <hubcap@omnibond.com>
0079 Description:
0080 Capability cache configurable settings.
0081
0082
0083 What: /sys/fs/orangefs/ccache/*
0084 Date: Jun 2015
0085 Contact: Mike Marshall <hubcap@omnibond.com>
0086 Description:
0087 Credential cache configurable settings.
