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runtime/metrics: add the number of Go-to-C calls

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For #47216.

Change-Id: I1c2cd518e6ff510cc3ac8d8f72fd52eadcabc16c
Reviewed-on: https://go-review.googlesource.com/c/go/+/404306
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Michael Anthony Knyszek 2022-05-05 16:54:44 +00:00 • committed by Michael Knyszek
parent 364ced6255
commit 9bd6e2776f
4 changed files with 17 additions and 0 deletions
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6
src/runtime/metrics.go
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@ -65,6 +65,12 @@ func initMetrics() {
timeHistBuckets = timeHistogramMetricsBuckets()
metrics = map[string]metricData{
"/cgo/go-to-c-calls:calls": {
compute: func(_ *statAggregate, out *metricValue) {
out.kind = metricKindUint64
out.scalar = uint64(NumCgoCall())
},
},
"/gc/cycles/automatic:gc-cycles": {
deps: makeStatDepSet(sysStatsDep),
compute: func(in *statAggregate, out *metricValue) {