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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// Author: arnej
package startcbinary
import (
"fmt"
"os"
"strings"
"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/util"
"github.com/vespa-engine/vespa/client/go/internal/vespa"
)
func (p *ProgSpec) configureValgrind() {
p.shouldUseValgrind = false
p.shouldUseCallgrind = false
env := p.getenv(envvars.VESPA_USE_VALGRIND)
allValgrind := env == "all"
parts := strings.Split(env, " ")
for _, part := range parts {
if p.BaseName == part || allValgrind {
trace.Trace("using valgrind as", p.Program, "has basename in", envvars.VESPA_USE_VALGRIND, "=>", env)
backticks := util.BackTicksWithStderr
out, err := backticks.Run("which", "valgrind")
if err != nil {
trace.Trace("no valgrind, 'which' fails:", err, "=>", out)
return
}
if opts := p.getenv(envvars.VESPA_VALGRIND_OPT); strings.Contains(opts, "callgrind") {
p.shouldUseCallgrind = true
}
p.shouldUseValgrind = true
return
}
trace.Debug("checking", envvars.VESPA_USE_VALGRIND, ":", p.BaseName, "!=", part)
}
}
func (p *ProgSpec) valgrindBinary() string {
return "valgrind"
}
func (p *ProgSpec) valgrindOptions() []string {
env := p.getenv(envvars.VESPA_VALGRIND_OPT)
if env != "" {
return strings.Fields(env)
}
result := []string{
"--num-callers=32",
"--run-libc-freeres=yes",
"--track-origins=yes",
"--freelist-vol=1000000000",
"--leak-check=full",
"--show-reachable=yes",
}
result = addValgrindSuppression(result, "etc/vespa/valgrind-suppressions.txt")
result = addValgrindSuppression(result, "etc/vespa/suppressions.txt")
return result
}
func addValgrindSuppression(r []string, fn string) []string {
existsOk, fileName := vespa.HasFileUnderVespaHome(fn)
if existsOk {
r = append(r, fmt.Sprintf("--suppressions=%s", fileName))
}
return r
}
func (p *ProgSpec) valgrindLogOption() string {
return fmt.Sprintf("--log-file=%s/tmp/valgrind.%s.log.%d", vespa.FindHome(), p.BaseName, os.Getpid())
}
func (p *ProgSpec) prependValgrind(args []string) []string {
v := util.NewArrayList[string](15 + len(args))
v.Append(p.valgrindBinary())
v.AppendAll(p.valgrindOptions()...)
v.Append(p.valgrindLogOption())
v.AppendAll(args...)
return v
}
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