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fi_info(1) Libfabric v1.15.1 fi_info(1) NAME fi_info - Simple utility to query for fabric interfaces SYNOPSIS fi_info [OPTIONS] DESCRIPTION The fi_info utility can be used to query for available fabric inter- faces. The utility supports filtering based on a number of options such as endpoint type, provider name, or supported modes. Additional- ly, fi_info can also be used to discover the environment variables that can be used to tune provider specific parameters. If no filters are specified, then all available fabric interfaces for all providers and endpoint types will be returned. OPTIONS Filtering -n, -node=<NAME> Node name or address used to filter interfaces. Only interfaces which can reach the given node or address will respond. -P, -port=<PORT> Port number used to filter interfaces. -c, -caps=<CAP1|CAP2>.. Pipe separated list of capabilities used to filter interfaces. Only interfaces supporting all of the given capabilities will respond. For more information on capabilities, see fi_get- info(3). -m, -mode=<MOD1|MOD2>.. Pipe separated list of modes used to filter interfaces. Only interfaces supporting all of the given modes will respond. For more information on, modes see fi_getinfo(3). -t, -ep_type=<EPTYPE> Specifies the type of fabric interface communication desired. For example, specifying FI_EP_DGRAM would return only interfaces which support unreliable datagram. For more information on end- point types, see fi_endpoint(3). -a, -addr_format=<FMT> Filter fabric interfaces by their address format. For example, specifying FI_SOCKADDR_IN would return only interfaces which use sockaddr_in structures for addressing. For more information on address formats, see fi_getinfo(3). -p, -provider=<PROV> Filter fabric interfaces by the provider implementation. For a list of providers, see the --list option. -d, -domain=<DOMAIN> Filter interfaces to only those with the given domain name. -f, -fabric=<FABRIC> Filter interfaces to only those with the given fabric name. Discovery -e, -env List libfabric related environment variables which can be used to enable extra configuration or tuning. *-g [filter] Same as -e option, with output limited to environment variables containing filter as a substring. -l, -list List available libfabric providers. -v, -verbose By default, fi_info will display a summary of each of the inter- faces discovered. If the verbose option is enabled, then all of the contents of the fi_info structure are displayed. For more information on the data contained in the fi_info structure, see fi_getinfo(3). -version Display versioning information. USAGE EXAMPLES $ fi_info -n 30.0.11.1 -p usnic -t FI_EP_DGRAM This will respond with all fabric interfaces that can reach address 30.0.11.1 using endpoint type FI_EP_DGRAM with the usNIC provider. OUTPUT By default fi_info will output a summary of the fabric interfaces dis- covered: $ ./fi_info -n 30.0.11.1 -p usnic -t FI_EP_DGRAM provider: usnic fabric: 30.0.11.0/24 domain: usnic_2 version: 1.0 type: FI_EP_DGRAM protocol: FI_PROTO_UDP To see the full fi_info structure, specify the -v option. SEE ALSO fi_getinfo(3), fi_endpoint(3) AUTHORS OpenFabrics. Libfabric Programmer's Manual 2021-03-22 fi_info(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | USAGE EXAMPLES | OUTPUT | SEE ALSO | AUTHORS
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