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Add metrics for mallocs and frees

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This commit is contained in:
Ingo Oppermann
2024-10-14 15:34:10 +02:00
parent fbea34a43a
commit 2f932be97d
1 changed files with 10 additions and 2 deletions
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12
monitor/self.go
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@@ -20,6 +20,8 @@ type selfCollector struct {
heapIdleDescr *metric.Description heapIdleDescr *metric.Description
heapInuseDescr *metric.Description heapInuseDescr *metric.Description
heapObjectsDescr *metric.Description heapObjectsDescr *metric.Description
mallocsDescr *metric.Description
freesDescr *metric.Description
} }
func NewSelfCollector() metric.Collector { func NewSelfCollector() metric.Collector {
@@ -32,11 +34,13 @@ func NewSelfCollector() metric.Collector {
c.bufferMaxSizeDescr = metric.NewDesc("self_bufferpool_max_size", "Max. buffer size for recycling", nil) c.bufferMaxSizeDescr = metric.NewDesc("self_bufferpool_max_size", "Max. buffer size for recycling", nil)
c.heapAllocDescr = metric.NewDesc("self_mem_heap_alloc_bytes", "Number of bytes allocated on the heap", nil) c.heapAllocDescr = metric.NewDesc("self_mem_heap_alloc_bytes", "Number of bytes allocated on the heap", nil)
c.totalAllocDescr = metric.NewDesc("self_mem_total_alloc_bytes", "Number of bytes allocated since start", nil) c.totalAllocDescr = metric.NewDesc("self_mem_total_alloc_bytes", "Cumulative count of bytes allocated since start", nil)
c.heapSysDescr = metric.NewDesc("self_mem_heap_sys_bytes", "Number of bytes obtained from OS", nil) c.heapSysDescr = metric.NewDesc("self_mem_heap_sys_bytes", "Number of bytes obtained from OS", nil)
c.heapIdleDescr = metric.NewDesc("self_mem_heap_idle_bytes", "Number of unused bytes", nil) c.heapIdleDescr = metric.NewDesc("self_mem_heap_idle_bytes", "Number of unused bytes", nil)
c.heapInuseDescr = metric.NewDesc("self_mem_heap_inuse_bytes", "Number of used bytes", nil) c.heapInuseDescr = metric.NewDesc("self_mem_heap_inuse_bytes", "Number of used bytes", nil)
c.heapObjectsDescr = metric.NewDesc("self_mem_heap_objects", "Number of objects in heap", nil) c.heapObjectsDescr = metric.NewDesc("self_mem_heap_objects", "Number of objects in heap", nil)
c.mallocsDescr = metric.NewDesc("self_mem_mallocs", "Cumulative count of heap objects allocated", nil)
c.freesDescr = metric.NewDesc("self_mem_frees", "Cumulative count of heap objects freed", nil)
return c return c
} }
@@ -60,6 +64,8 @@ func (c *selfCollector) Describe() []*metric.Description {
c.heapIdleDescr, c.heapIdleDescr,
c.heapInuseDescr, c.heapInuseDescr,
c.heapObjectsDescr, c.heapObjectsDescr,
c.mallocsDescr,
c.freesDescr,
} }
} }
@@ -82,7 +88,9 @@ func (c *selfCollector) Collect() metric.Metrics {
metrics.Add(metric.NewValue(c.heapSysDescr, float64(memstats.HeapSys))) metrics.Add(metric.NewValue(c.heapSysDescr, float64(memstats.HeapSys)))
metrics.Add(metric.NewValue(c.heapIdleDescr, float64(memstats.HeapIdle))) metrics.Add(metric.NewValue(c.heapIdleDescr, float64(memstats.HeapIdle)))
metrics.Add(metric.NewValue(c.heapInuseDescr, float64(memstats.HeapInuse))) metrics.Add(metric.NewValue(c.heapInuseDescr, float64(memstats.HeapInuse)))
metrics.Add(metric.NewValue(c.heapObjectsDescr, float64(memstats.Mallocs-memstats.Frees))) metrics.Add(metric.NewValue(c.heapObjectsDescr, float64(memstats.HeapObjects)))
metrics.Add(metric.NewValue(c.mallocsDescr, float64(memstats.Mallocs)))
metrics.Add(metric.NewValue(c.freesDescr, float64(memstats.Frees)))
return metrics return metrics
} }