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b4b9d2ccf0
It's possible to get a dump of the RPC task queue by writing a value to
/proc/sys/sunrpc/rpc_debug. If you write any value to that file, you get
a dump of the RPC client task list into the log buffer. This is a rather
inconvenient interface however, and makes it hard to get immediate info
about the task queue.
Add a new directory hierarchy under debugfs:
sunrpc/
rpc_clnt/
<clientid>/
Within each clientid directory we create a new "tasks" file that will
dump info similar to what shows up in the log buffer, but with a few
small differences -- we avoid printing raw kernel addresses in favor of
symbolic names and the XID is also displayed.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
74 lines
2.0 KiB
Plaintext
74 lines
2.0 KiB
Plaintext
config SUNRPC
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tristate
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config SUNRPC_GSS
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tristate
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select OID_REGISTRY
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config SUNRPC_BACKCHANNEL
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bool
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depends on SUNRPC
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config SUNRPC_SWAP
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bool
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depends on SUNRPC
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config RPCSEC_GSS_KRB5
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tristate "Secure RPC: Kerberos V mechanism"
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depends on SUNRPC && CRYPTO
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depends on CRYPTO_MD5 && CRYPTO_DES && CRYPTO_CBC && CRYPTO_CTS
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depends on CRYPTO_ECB && CRYPTO_HMAC && CRYPTO_SHA1 && CRYPTO_AES
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depends on CRYPTO_ARC4
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default y
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select SUNRPC_GSS
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help
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Choose Y here to enable Secure RPC using the Kerberos version 5
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GSS-API mechanism (RFC 1964).
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Secure RPC calls with Kerberos require an auxiliary user-space
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daemon which may be found in the Linux nfs-utils package
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available from http://linux-nfs.org/. In addition, user-space
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Kerberos support should be installed.
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If unsure, say Y.
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config SUNRPC_DEBUG
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bool "RPC: Enable dprintk debugging"
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depends on SUNRPC && SYSCTL
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select DEBUG_FS
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help
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This option enables a sysctl-based debugging interface
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that is be used by the 'rpcdebug' utility to turn on or off
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logging of different aspects of the kernel RPC activity.
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Disabling this option will make your kernel slightly smaller,
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but makes troubleshooting NFS issues significantly harder.
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If unsure, say Y.
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config SUNRPC_XPRT_RDMA_CLIENT
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tristate "RPC over RDMA Client Support"
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depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS
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default SUNRPC && INFINIBAND
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help
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This option allows the NFS client to support an RDMA-enabled
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transport.
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To compile RPC client RDMA transport support as a module,
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choose M here: the module will be called xprtrdma.
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If unsure, say N.
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config SUNRPC_XPRT_RDMA_SERVER
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tristate "RPC over RDMA Server Support"
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depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS
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default SUNRPC && INFINIBAND
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help
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This option allows the NFS server to support an RDMA-enabled
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transport.
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To compile RPC server RDMA transport support as a module,
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choose M here: the module will be called svcrdma.
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If unsure, say N.
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