NAME

hwlocality_syntheticexport

SYNOPSIS

Enumerations

enum hwloc_topology_export_synthetic_flags_e { HWLOC_TOPOLOGY_EXPORT_SYNTHETIC_FLAG_NO_EXTENDED_TYPES, HWLOC_TOPOLOGY_EXPORT_SYNTHETIC_FLAG_NO_ATTRS }

Functions

int hwloc_topology_export_synthetic (hwloc_topology_t topology, char *buffer, size_t buflen, unsigned long flags)

Detailed Description

Enumeration Type Documentation

enum hwloc_topology_export_synthetic_flags_e

Flags for exporting synthetic topologies. Flags to be given as a OR'ed set to hwloc_topology_export_synthetic().

Enumerator

HWLOC_TOPOLOGY_EXPORT_SYNTHETIC_FLAG_NO_EXTENDED_TYPES: Export extended types such as L2dcache as basic types such as Cache. This is required if loading the synthetic description with hwloc < 1.9.
HWLOC_TOPOLOGY_EXPORT_SYNTHETIC_FLAG_NO_ATTRS: Do not export level attributes. Ignore level attributes such as memory/cache sizes or PU indexes. This is required if loading the synthetic description with hwloc < 1.10.

Function Documentation

int hwloc_topology_export_synthetic (hwloc_topology_t topology, char * buffer, size_t buflen, unsigned long flags)

Export the topology as a synthetic string. At most buflen characters will be written in buffer, including the terminating \0.

This exported string may be given back to hwloc_topology_set_synthetic().

flags is a OR'ed set of hwloc_topology_export_synthetic_flags_e.

Returns:

The number of characters that were written, not including the terminating \0.

-1 if the topology could not be exported, for instance if it is not symmetric.

Note:

A 1024-byte buffer should be large enough for exporting topologies in the vast majority of cases.

Author

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