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We were wasting time to malloc a copy of a constant string, then copy it into static storage, for every call to nodeGetInfo. At least we were lucky that it was a constant source, and thus not subject to even worse issues with one thread clobbering the static storage while another was using it. This gets rid of the waste, by passing the string through the stack instead, as well as renaming internal functions to better match our conventions. * src/nodeinfo.c (sysfs_path): Delete. (get_cpu_value, count_thread_siblings, parse_socket): Add parameter, and rename... (virNodeGetCpuValue, virNodeCountThreadSiblings) (virNodeParseSocket): ... into a common namespace. (cpu_online, parse_core): Inline into callers. (linuxNodeInfoCPUPopulate): Update caller. (nodeGetInfo): Drop a useless malloc.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>