server: v23.1.8: index out of range in CPU sampling

[cockroach-sentry]

This issue was auto filed by Sentry. It represents a crash or reported error on a live cluster with telemetry enabled.

Sentry Link: https://cockroach-labs.sentry.io/issues/5047525090/?referrer=webhooks_plugin

Panic Message:

panic.go:884: runtime error: index out of range [0] with length 0
(1) attached stack trace
  -- stack trace:
  | runtime.gopanic
  | 	GOROOT/src/runtime/panic.go:884
  | runtime.goPanicIndex
  | 	GOROOT/src/runtime/panic.go:113
  | github.com/cockroachdb/cockroach/pkg/server/status.(*RuntimeStatSampler).SampleEnvironment
  | 	github.com/cockroachdb/cockroach/pkg/server/status/runtime.go:499
  | github.com/cockroachdb/cockroach/pkg/server.startSampleEnvironment.func1
  | 	github.com/cockroachdb/cockroach/pkg/server/env_sampler.go:186
  | github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTaskEx.func2
  | 	github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:470
  | runtime.goexit
  | 	GOROOT/src/runtime/asm_amd64.s:1594
Wraps: (2) runtime error: index out of range [0] with length 0
Error types: (1) *withstack.withStack (2) runtime.boundsError
-- report composition:
runtime.boundsError
panic.go:884: *withstack.withStack (top exception)

Stacktrace (expand for inline code snippets):

GOROOT/src/runtime/asm_amd64.s#L1593-L1595

cockroach/pkg/util/stop/stopper.go

Lines 469 to 471 in 2c1d4af

	sp.UpdateGoroutineIDToCurrent()
	f(ctx)
	}()

cockroach/pkg/server/env_sampler.go

Lines 185 to 187 in 2c1d4af

	cgoStats := status.GetCGoMemStats(ctx)
	cfg.runtime.SampleEnvironment(ctx, curStats, cgoStats)

cockroach/pkg/server/status/runtime.go

Lines 498 to 500 in 2c1d4af

	}
	cpuUsage := cpuUsageStats[0]
	numHostCPUs, err := cpu.Counts(true /* logical */)

GOROOT/src/runtime/panic.go#L112-L114
GOROOT/src/runtime/panic.go#L883-L885

GOROOT/src/runtime/asm_amd64.s in runtime.goexit at line 1594
pkg/util/stop/stopper.go in pkg/util/stop.(*Stopper).RunAsyncTaskEx.func2 at line 470
pkg/server/env_sampler.go in pkg/server.startSampleEnvironment.func1 at line 186
pkg/server/status/runtime.go in pkg/server/status.(*RuntimeStatSampler).SampleEnvironment at line 499
GOROOT/src/runtime/panic.go in runtime.goPanicIndex at line 113
GOROOT/src/runtime/panic.go in runtime.gopanic at line 884

Tags

Tag	Value
Command	start-single-node
Environment	v23.1.8
Go Version	go1.19.10
Platform	linux amd64
Distribution	CCL
Cockroach Release	v23.1.8
Cockroach SHA	2c1d4af
# of CPUs	16
# of Goroutines	518

Jira issue: CRDB-36502