libcontainer: intelrdt: add update command support for Intel RDT/MBA
@@ -118,6 +118,10 @@ other options are ignored.
Name: "l3-cache-schema",
Usage: "The string of Intel RDT/CAT L3 cache schema",
},
+ cli.StringFlag{
+ Name: "mem-bw-schema",
+ Usage: "The string of Intel RDT/MBA memory bandwidth schema",
+ },
},
Action: func(context *cli.Context) error {
if err := checkArgs(context, 1, exactArgs); err != nil {
@@ -260,12 +264,18 @@ other options are ignored.
config.Cgroups.Resources.MemorySwap = *r.Memory.Swap
config.Cgroups.Resources.PidsLimit = r.Pids.Limit
- // Update Intel RDT/CAT
- if val := context.String("l3-cache-schema"); val != "" {
- if !intelrdt.IsCatEnabled() {
- return fmt.Errorf("Intel RDT: l3 cache schema is not enabled")
+ // Update Intel RDT
+ l3CacheSchema := context.String("l3-cache-schema")
+ memBwSchema := context.String("mem-bw-schema")
+ if l3CacheSchema != "" && !intelrdt.IsCatEnabled() {
+ return fmt.Errorf("Intel RDT/CAT: l3 cache schema is not enabled")
+ }
+
+ if memBwSchema != "" && !intelrdt.IsMbaEnabled() {
+ return fmt.Errorf("Intel RDT/MBA: memory bandwidth schema is not enabled")
}
+ if l3CacheSchema != "" || memBwSchema != "" {
// If intelRdt is not specified in original configuration, we just don't
// Apply() to create intelRdt group or attach tasks for this container.
// In update command, we could re-enable through IntelRdtManager.Apply()
@@ -285,7 +295,8 @@ other options are ignored.
return err
}
}
- config.IntelRdt.L3CacheSchema = val
+ config.IntelRdt.L3CacheSchema = l3CacheSchema
+ config.IntelRdt.MemBwSchema = memBwSchema
}
return container.Set(config)
