runtime,runtime/metrics: export goroutine count as a metric

For #37112.

Change-Id: I994dfe848605b95ef6aec24f53869e929247e987
Reviewed-on: https://go-review.googlesource.com/c/go/+/247049
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
This commit is contained in:
Michael Anthony Knyszek 2020-08-07 16:37:29 +00:00 committed by Michael Knyszek
parent d39a89fd58
commit 80c6b92ecb
4 changed files with 18 additions and 0 deletions

View file

@ -214,6 +214,12 @@ func initMetrics() {
in.sysStats.gcMiscSys + in.sysStats.otherSys
},
},
"/sched/goroutines:goroutines": {
compute: func(_ *statAggregate, out *metricValue) {
out.kind = metricKindUint64
out.scalar = uint64(gcount())
},
},
}
metricsInit = true
}