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Code Issues Releases Activity

switch to go-kit/log (#1575)

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Signed-off-by: yeya24 <yb532204897@gmail.com>
This commit is contained in:
Ben Ye 2019-12-31 11:19:37 -05:00 • committed by Ben Kochie
commit 2477c5c67d
158 changed files with 3434 additions and 4636 deletions
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33
collector/perf_linux.go
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@ -17,7 +17,8 @@ import (
"fmt"
"runtime"
perf "github.com/hodgesds/perf-utils"
"github.com/go-kit/kit/log"
"github.com/hodgesds/perf-utils"
"github.com/prometheus/client_golang/prometheus"
)
@ -29,7 +30,7 @@ func init() {
registerCollector(perfSubsystem, defaultDisabled, NewPerfCollector)
}
// perfCollector is a Collecter that uses the perf subsystem to collect
// perfCollector is a Collector that uses the perf subsystem to collect
// metrics. It uses perf_event_open an ioctls for profiling. Due to the fact
// that the perf subsystem is highly dependent on kernel configuration and
// settings not all profiler values may be exposed on the target system at any
@ -39,34 +40,36 @@ type perfCollector struct {
perfSwProfilers map[int]perf.SoftwareProfiler
perfCacheProfilers map[int]perf.CacheProfiler
desc map[string]*prometheus.Desc
logger log.Logger
}
// NewPerfCollector returns a new perf based collector, it creates a profiler
// per CPU.
func NewPerfCollector() (Collector, error) {
collector := &perfCollector{
func NewPerfCollector(logger log.Logger) (Collector, error) {
c := &perfCollector{
perfHwProfilers: map[int]perf.HardwareProfiler{},
perfSwProfilers: map[int]perf.SoftwareProfiler{},
perfCacheProfilers: map[int]perf.CacheProfiler{},
logger: logger,
}
ncpus := runtime.NumCPU()
for i := 0; i < ncpus; i++ {
// Use -1 to profile all processes on the CPU, see:
// man perf_event_open
collector.perfHwProfilers[i] = perf.NewHardwareProfiler(-1, i)
if err := collector.perfHwProfilers[i].Start(); err != nil {
return collector, err
c.perfHwProfilers[i] = perf.NewHardwareProfiler(-1, i)
if err := c.perfHwProfilers[i].Start(); err != nil {
return c, err
}
collector.perfSwProfilers[i] = perf.NewSoftwareProfiler(-1, i)
if err := collector.perfSwProfilers[i].Start(); err != nil {
return collector, err
c.perfSwProfilers[i] = perf.NewSoftwareProfiler(-1, i)
if err := c.perfSwProfilers[i].Start(); err != nil {
return c, err
}
collector.perfCacheProfilers[i] = perf.NewCacheProfiler(-1, i)
if err := collector.perfCacheProfilers[i].Start(); err != nil {
return collector, err
c.perfCacheProfilers[i] = perf.NewCacheProfiler(-1, i)
if err := c.perfCacheProfilers[i].Start(); err != nil {
return c, err
}
}
collector.desc = map[string]*prometheus.Desc{
c.desc = map[string]*prometheus.Desc{
"cpucycles_total": prometheus.NewDesc(
prometheus.BuildFQName(
namespace,
@ -309,7 +312,7 @@ func NewPerfCollector() (Collector, error) {
),
}
return collector, nil
return c, nil
}
// Update implements the Collector interface and will collect metrics per CPU.