ClusterCockpit/cc-metric-collector
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Check whether LIKWID library is present

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This commit is contained in:
Thomas Roehl 2022-02-18 14:29:46 +01:00
parent 4e8ee59211
commit e991c4c3b2
1 changed files with 11 additions and 1 deletions
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12
collectors/likwidMetric.go
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@ -2,7 +2,7 @@ package collectors
/* /*
#cgo CFLAGS: -I./likwid #cgo CFLAGS: -I./likwid
#cgo LDFLAGS: -L./likwid -llikwid -llikwid-hwloc -lm #cgo LDFLAGS: -L./likwid -llikwid -llikwid-hwloc -lm -Wl,--unresolved-symbols=ignore-in-object-files
#include <stdlib.h> #include <stdlib.h>
#include <likwid.h> #include <likwid.h>
*/ */
@ -25,6 +25,7 @@ import (
lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric" lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
topo "github.com/ClusterCockpit/cc-metric-collector/internal/ccTopology" topo "github.com/ClusterCockpit/cc-metric-collector/internal/ccTopology"
agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator" agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator"
"github.com/NVIDIA/go-nvml/pkg/dl"
) )
type MetricScope string type MetricScope string
@ -69,6 +70,11 @@ func GetAllMetricScopes() []MetricScope {
return []MetricScope{"cpu" /*, "core", "llc", "numadomain", "die",*/, "socket", "node"} return []MetricScope{"cpu" /*, "core", "llc", "numadomain", "die",*/, "socket", "node"}
} }
const (
LIKWID_LIB_NAME = "liblikwid.so"
LIKWID_LIB_DL_FLAGS = dl.RTLD_LAZY | dl.RTLD_GLOBAL
)
type LikwidCollectorMetricConfig struct { type LikwidCollectorMetricConfig struct {
Name string `json:"name"` // Name of the metric Name string `json:"name"` // Name of the metric
Calc string `json:"calc"` // Calculation for the metric using Calc string `json:"calc"` // Calculation for the metric using
@ -260,6 +266,10 @@ func (m *LikwidCollector) Init(config json.RawMessage) error {
return err return err
} }
} }
lib := dl.New(LIKWID_LIB_NAME, LIKWID_LIB_DL_FLAGS)
if lib == nil {
return fmt.Errorf("error instantiating DynamicLibrary for %s", LIKWID_LIB_NAME)
}
if m.config.ForceOverwrite { if m.config.ForceOverwrite {
cclog.ComponentDebug(m.name, "Set LIKWID_FORCE=1") cclog.ComponentDebug(m.name, "Set LIKWID_FORCE=1")
os.Setenv("LIKWID_FORCE", "1") os.Setenv("LIKWID_FORCE", "1")