ClusterCockpit/cc-metric-collector
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Move all LIKWID related stuff to late initialization routine

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This commit is contained in:
Thomas Roehl 2022-03-24 18:12:23 +01:00
parent e0e91844bc
commit 50479f9325
1 changed files with 47 additions and 39 deletions
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86
collectors/likwidMetric.go
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@ -139,13 +139,13 @@ func testLikwidMetricFormula(formula string, params []string) bool {
}
func getBaseFreq() float64 {
files := []string{
"/sys/devices/system/cpu/cpu0/cpufreq/bios_limit",
"/sys/devices/system/cpu/cpu0/cpufreq/base_frequency",
}
var freq float64 = math.NaN()
C.power_init(0)
info := C.get_powerInfo()
if float64(info.baseFrequency) != 0 {
freq = float64(info.baseFrequency) * 1e6
} else {
buffer, err := ioutil.ReadFile("/sys/devices/system/cpu/cpu0/cpufreq/bios_limit")
for _, f := range files {
buffer, err := ioutil.ReadFile(f)
if err == nil {
data := strings.Replace(string(buffer), "\n", "", -1)
x, err := strconv.ParseInt(data, 0, 64)
@ -154,11 +154,19 @@ func getBaseFreq() float64 {
}
}
}
if math.IsNaN(freq) {
C.power_init(0)
info := C.get_powerInfo()
if float64(info.baseFrequency) != 0 {
freq = float64(info.baseFrequency) * 1e6
}
C.power_finalize()
}
return freq
}
func (m *LikwidCollector) Init(config json.RawMessage) error {
var ret C.int
m.name = "LikwidCollector"
m.initialized = false
m.running = false
@ -195,24 +203,6 @@ func (m *LikwidCollector) Init(config json.RawMessage) error {
m.cpu2tid[c] = i
}
cclog.ComponentDebug(m.name, "initialize LIKWID topology")
ret = C.topology_init()
if ret != 0 {
err := errors.New("failed to initialize LIKWID topology")
cclog.ComponentError(m.name, err.Error())
return err
}
m.sock2tid = make(map[int]int)
tmp := make([]C.int, 1)
for _, sid := range topo.SocketList() {
cstr := C.CString(fmt.Sprintf("S%d:0", sid))
ret = C.cpustr_to_cpulist(cstr, &tmp[0], 1)
if ret > 0 {
m.sock2tid[sid] = m.cpu2tid[int(tmp[0])]
}
C.free(unsafe.Pointer(cstr))
}
m.likwidGroups = make(map[C.int]LikwidEventsetConfig)
// m.results = make(map[int]map[int]map[string]interface{})
@ -222,17 +212,6 @@ func (m *LikwidCollector) Init(config json.RawMessage) error {
m.gmresults[tid] = make(map[string]float64)
}
switch m.config.AccessMode {
case "direct":
C.HPMmode(0)
case "accessdaemon":
if len(m.config.DaemonPath) > 0 {
p := os.Getenv("PATH")
os.Setenv("PATH", m.config.DaemonPath+":"+p)
}
C.HPMmode(1)
}
// This is for the global metrics computation test
totalMetrics := 0
// Generate parameter list for the metric computing test
@ -275,13 +254,10 @@ func (m *LikwidCollector) Init(config json.RawMessage) error {
// If no event set could be added, shut down LikwidCollector
if totalMetrics == 0 {
C.topology_finalize()
err := errors.New("no LIKWID eventset or metric usable")
cclog.ComponentError(m.name, err.Error())
return err
}
m.basefreq = getBaseFreq()
cclog.ComponentDebug(m.name, "BaseFreq", m.basefreq)
m.init = true
return nil
}
@ -449,6 +425,38 @@ func (m *LikwidCollector) calcGlobalMetrics(interval time.Duration, output chan
func (m *LikwidCollector) LateInit() error {
var ret C.int
switch m.config.AccessMode {
case "direct":
C.HPMmode(0)
case "accessdaemon":
if len(m.config.DaemonPath) > 0 {
p := os.Getenv("PATH")
os.Setenv("PATH", m.config.DaemonPath+":"+p)
}
C.HPMmode(1)
}
cclog.ComponentDebug(m.name, "initialize LIKWID topology")
ret = C.topology_init()
if ret != 0 {
err := errors.New("failed to initialize LIKWID topology")
cclog.ComponentError(m.name, err.Error())
return err
}
m.sock2tid = make(map[int]int)
tmp := make([]C.int, 1)
for _, sid := range topo.SocketList() {
cstr := C.CString(fmt.Sprintf("S%d:0", sid))
ret = C.cpustr_to_cpulist(cstr, &tmp[0], 1)
if ret > 0 {
m.sock2tid[sid] = m.cpu2tid[int(tmp[0])]
}
C.free(unsafe.Pointer(cstr))
}
m.basefreq = getBaseFreq()
cclog.ComponentDebug(m.name, "BaseFreq", m.basefreq)
cclog.ComponentDebug(m.name, "initialize LIKWID perfmon module")
ret = C.perfmon_init(C.int(len(m.cpulist)), &m.cpulist[0])
if ret != 0 {