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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// Author: arnej
package prog
import (
"fmt"
"github.com/vespa-engine/vespa/client/go/internal/admin/envvars"
"github.com/vespa-engine/vespa/client/go/internal/admin/trace"
"github.com/vespa-engine/vespa/client/go/internal/vespa"
)
func vespaMallocLib(suf string) string {
prefixes := []string{"lib64", "lib"}
for _, pre := range prefixes {
fn := fmt.Sprintf("%s/vespa/malloc/%s", pre, suf)
existsOk, fileName := vespa.HasFileUnderVespaHome(fn)
if existsOk {
trace.Debug("found library:", fileName)
return fileName
}
trace.Debug("bad or missing library:", fn)
}
return ""
}
func (p *Spec) ConfigureVespaMalloc() {
p.shouldUseVespaMalloc = false
if p.MatchesListEnv(envvars.VESPA_USE_NO_VESPAMALLOC) {
trace.Trace("use no vespamalloc:", p.BaseName)
return
}
if p.shouldUseValgrind && !p.shouldUseCallgrind {
trace.Trace("use valgrind, so no vespamalloc:", p.BaseName)
return
}
var useFile string
if p.MatchesListEnv(envvars.VESPA_USE_VESPAMALLOC_DST) {
useFile = vespaMallocLib("libvespamallocdst16.so")
} else if p.MatchesListEnv(envvars.VESPA_USE_VESPAMALLOC_D) {
useFile = vespaMallocLib("libvespamallocd.so")
} else if p.MatchesListEnv(envvars.VESPA_USE_VESPAMALLOC) {
useFile = vespaMallocLib("libvespamalloc.so")
}
trace.Trace("use file:", useFile)
if useFile == "" {
return
}
if loadAsHuge := p.Getenv(envvars.VESPA_LOAD_CODE_AS_HUGEPAGES); loadAsHuge != "" {
otherFile := vespaMallocLib("libvespa_load_as_huge.so")
useFile = fmt.Sprintf("%s:%s", useFile, otherFile)
}
p.ConsiderEnvFallback(envvars.VESPA_MALLOC_HUGEPAGES, envvars.VESPA_USE_HUGEPAGES)
p.vespaMallocPreload = useFile
p.shouldUseVespaMalloc = true
}
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