Documentation/ABI/stable/sysfs-fs-orangefs

   1 What:                   /sys/fs/orangefs/perf_counters/*
   2 Date:                   Jun 2015
   3 Contact:                Mike Marshall <hubcap@omnibond.com>
   4 Description:
   5                         Counters and settings for various caches.
   6                         Read only.
   7
   8
   9 What:                   /sys/fs/orangefs/perf_counter_reset
  10 Date:                   June 2015
  11 Contact:                Mike Marshall <hubcap@omnibond.com>
  12 Description:
  13                         echo a 0 or a 1 into perf_counter_reset to
  14                         reset all the counters in
  15                         /sys/fs/orangefs/perf_counters
  16                         except ones with PINT_PERF_PRESERVE set.
  17
  18
  19 What:                   /sys/fs/orangefs/perf_time_interval_secs
  20 Date:                   Jun 2015
  21 Contact:                Mike Marshall <hubcap@omnibond.com>
  22 Description:
  23                         Length of perf counter intervals in
  24                         seconds.
  25
  26
  27 What:                   /sys/fs/orangefs/perf_history_size
  28 Date:                   Jun 2015
  29 Contact:                Mike Marshall <hubcap@omnibond.com>
  30 Description:
  31                         The perf_counters cache statistics have N, or
  32                         perf_history_size, samples. The default is
  33                         one.
  34
  35                         Every perf_time_interval_secs the (first)
  36                         samples are reset.
  37
  38                         If N is greater than one, the "current" set
  39                         of samples is reset, and the samples from the
  40                         other N-1 intervals remain available.
  41
  42
  43 What:                   /sys/fs/orangefs/op_timeout_secs
  44 Date:                   Jun 2015
  45 Contact:                Mike Marshall <hubcap@omnibond.com>
  46 Description:
  47                         Service operation timeout in seconds.
  48
  49
  50 What:                   /sys/fs/orangefs/slot_timeout_secs
  51 Date:                   Jun 2015
  52 Contact:                Mike Marshall <hubcap@omnibond.com>
  53 Description:
  54                         "Slot" timeout in seconds. A "slot"
  55                         is an indexed buffer in the shared
  56                         memory segment used for communication
  57                         between the kernel module and userspace.
  58                         Slots are requested and waited for,
  59                         the wait times out after slot_timeout_secs.
  60
  61
  62 What:                   /sys/fs/orangefs/acache/*
  63 Date:                   Jun 2015
  64 Contact:                Mike Marshall <hubcap@omnibond.com>
  65 Description:
  66                         Attribute cache configurable settings.
  67
  68
  69 What:                   /sys/fs/orangefs/ncache/*
  70 Date:                   Jun 2015
  71 Contact:                Mike Marshall <hubcap@omnibond.com>
  72 Description:
  73                         Name cache configurable settings.
  74
  75
  76 What:                   /sys/fs/orangefs/capcache/*
  77 Date:                   Jun 2015
  78 Contact:                Mike Marshall <hubcap@omnibond.com>
  79 Description:
  80                         Capability cache configurable settings.
  81
  82
  83 What:                   /sys/fs/orangefs/ccache/*
  84 Date:                   Jun 2015
  85 Contact:                Mike Marshall <hubcap@omnibond.com>
  86 Description:
  87                         Credential cache configurable settings.