packagr-io-beta
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
// Use and distribution licensed under the Apache license version 2.
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//
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// See the COPYING file in the root project directory for full text.
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//
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package ghw
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import (
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"io/ioutil"
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"strconv"
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"strings"
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)
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func (ctx *context) topologyFillInfo(info *TopologyInfo) error {
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info.Nodes = ctx.topologyNodes()
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if len(info.Nodes) == 1 {
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info.Architecture = ARCHITECTURE_SMP
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} else {
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info.Architecture = ARCHITECTURE_NUMA
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}
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return nil
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}
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// TopologyNodes has been deprecated in 0.2. Please use the TopologyInfo.Nodes
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// attribute.
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// TODO(jaypipes): Remove in 1.0.
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func TopologyNodes() ([]*TopologyNode, error) {
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msg := `
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The TopologyNodes() function has been DEPRECATED and will be removed in the 1.0
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release of ghw. Please use the TopologyInfo.Nodes attribute.
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`
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warn(msg)
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ctx := contextFromEnv()
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return ctx.topologyNodes(), nil
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}
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func (ctx *context) topologyNodes() []*TopologyNode {
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nodes := make([]*TopologyNode, 0)
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files, err := ioutil.ReadDir(ctx.pathSysDevicesSystemNode())
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if err != nil {
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warn("failed to determine nodes: %s\n", err)
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return nodes
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}
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for _, file := range files {
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filename := file.Name()
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if !strings.HasPrefix(filename, "node") {
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continue
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}
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node := &TopologyNode{}
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nodeID, err := strconv.Atoi(filename[4:])
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if err != nil {
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warn("failed to determine node ID: %s\n", err)
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return nodes
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}
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node.ID = nodeID
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cores, err := ctx.coresForNode(nodeID)
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if err != nil {
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warn("failed to determine cores for node: %s\n", err)
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return nodes
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}
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node.Cores = cores
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caches, err := ctx.cachesForNode(nodeID)
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if err != nil {
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warn("failed to determine caches for node: %s\n", err)
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return nodes
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}
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node.Caches = caches
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nodes = append(nodes, node)
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}
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return nodes
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}
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