xref: /OK3568_Linux_fs/kernel/Documentation/ABI/stable/sysfs-fs-orangefs (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/perf_counters/*
2*4882a593SmuzhiyunDate:			Jun 2015
3*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
4*4882a593SmuzhiyunDescription:
5*4882a593Smuzhiyun			Counters and settings for various caches.
6*4882a593Smuzhiyun			Read only.
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/perf_counter_reset
10*4882a593SmuzhiyunDate:			June 2015
11*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
12*4882a593SmuzhiyunDescription:
13*4882a593Smuzhiyun			echo a 0 or a 1 into perf_counter_reset to
14*4882a593Smuzhiyun			reset all the counters in
15*4882a593Smuzhiyun			/sys/fs/orangefs/perf_counters
16*4882a593Smuzhiyun			except ones with PINT_PERF_PRESERVE set.
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18*4882a593Smuzhiyun
19*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/perf_time_interval_secs
20*4882a593SmuzhiyunDate:			Jun 2015
21*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
22*4882a593SmuzhiyunDescription:
23*4882a593Smuzhiyun			Length of perf counter intervals in
24*4882a593Smuzhiyun			seconds.
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun
27*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/perf_history_size
28*4882a593SmuzhiyunDate:			Jun 2015
29*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
30*4882a593SmuzhiyunDescription:
31*4882a593Smuzhiyun			The perf_counters cache statistics have N, or
32*4882a593Smuzhiyun			perf_history_size, samples. The default is
33*4882a593Smuzhiyun			one.
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun			Every perf_time_interval_secs the (first)
36*4882a593Smuzhiyun			samples are reset.
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun			If N is greater than one, the "current" set
39*4882a593Smuzhiyun			of samples is reset, and the samples from the
40*4882a593Smuzhiyun			other N-1 intervals remain available.
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun
43*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/op_timeout_secs
44*4882a593SmuzhiyunDate:			Jun 2015
45*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
46*4882a593SmuzhiyunDescription:
47*4882a593Smuzhiyun			Service operation timeout in seconds.
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun
50*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/slot_timeout_secs
51*4882a593SmuzhiyunDate:			Jun 2015
52*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
53*4882a593SmuzhiyunDescription:
54*4882a593Smuzhiyun			"Slot" timeout in seconds. A "slot"
55*4882a593Smuzhiyun			is an indexed buffer in the shared
56*4882a593Smuzhiyun			memory segment used for communication
57*4882a593Smuzhiyun			between the kernel module and userspace.
58*4882a593Smuzhiyun			Slots are requested and waited for,
59*4882a593Smuzhiyun			the wait times out after slot_timeout_secs.
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun
62*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/acache/*
63*4882a593SmuzhiyunDate:			Jun 2015
64*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
65*4882a593SmuzhiyunDescription:
66*4882a593Smuzhiyun			Attribute cache configurable settings.
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun
69*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/ncache/*
70*4882a593SmuzhiyunDate:			Jun 2015
71*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
72*4882a593SmuzhiyunDescription:
73*4882a593Smuzhiyun			Name cache configurable settings.
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun
76*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/capcache/*
77*4882a593SmuzhiyunDate:			Jun 2015
78*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
79*4882a593SmuzhiyunDescription:
80*4882a593Smuzhiyun			Capability cache configurable settings.
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun
83*4882a593SmuzhiyunWhat:			/sys/fs/orangefs/ccache/*
84*4882a593SmuzhiyunDate:			Jun 2015
85*4882a593SmuzhiyunContact:		Mike Marshall <hubcap@omnibond.com>
86*4882a593SmuzhiyunDescription:
87*4882a593Smuzhiyun			Credential cache configurable settings.
88