fatal error: concurrent map read and map write from (*RuntimeStatsColl).GetRootStats

[AkiraXie]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. ch workload
2. cc workload
3. set tidb_memory_usage_alarm_ratio = 0.1

2. What did you expect to see? (Required)

no error

3. What did you see instead (Required)

fatal error: concurrent map read and map write
goroutine 26697 [running]:
github.com/pingcap/tidb/util/execdetails.(*RuntimeStatsColl).GetRootStats(0xc0e976ee40, 0x0?)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/execdetails/execdetails.go:699 +0xb2
github.com/pingcap/tidb/planner/core.getRuntimeInfo({0x4eb7f68, 0xc025b4ea00}, {0x4e6f850, 0xc13da90000}, 0x7fc98eaf05b8?)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:867 +0xac
github.com/pingcap/tidb/planner/core.getRuntimeInfoStr({0x4eb7f68?, 0xc025b4ea00?}, {0x4e6f850?, 0xc13da90000?}, 0xc13da90000?)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:830 +0xa5
github.com/pingcap/tidb/planner/core.(*Explain).prepareOperatorInfo(0xc139cecf28, {0x4e6f850, 0xc13da90000}, {0x46f4ad3, 0x4}, {0xc13d5efec0, 0xb})
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:895 +0x3c9
github.com/pingcap/tidb/planner/core.(*Explain).explainFlatOpInRowFormat(0xc139cecf28, 0xc13d852600)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:815 +0x21d
github.com/pingcap/tidb/planner/core.(*Explain).explainFlatPlanInRowFormat(0x4e6f850?, 0xc13d8454f0)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:796 +0x5f
github.com/pingcap/tidb/planner/core.(*Explain).RenderResult(0xc139cecf28)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:763 +0xd4e
github.com/pingcap/tidb/planner/core.GetExplainAnalyzeRowsForPlan(0xc139cecf28)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:666 +0x2f
github.com/pingcap/tidb/session.(*session).getCurrentAnalyzePlan(0xc025b4ea00, {0x4631720?, 0xc13da90000}, 0xc0e976ee40)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/session/session.go:1647 +0xd7
github.com/pingcap/tidb/util/memoryusagealarm.getCurrentAnalyzePlan(0x4ed4d2?)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:249 +0x53
github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).getTop10SqlInfo(0xc139cedf20, 0x36?, {0xc13d83aa80?, 0x3, 0x38?})
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:291 +0x9e6
github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).getTop10SqlInfoByMemoryUsage(0x8?, {0xc13d83aa80?, 0x38?, 0x3c?})
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:311 +0x2e
github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).printTop10SqlInfo(0xc0e80833b0?, {0xc13d83aa80, 0x3, 0xe}, 0xc13d6b7840?)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:261 +0x1f3
github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).recordSQL(0xc07760dbc0?, {0x4e700c0?, 0xc01b2f4100?}, {0xc07760dbc0, 0x3c})
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:342 +0x43a
github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).doRecord(0xc139cedf20, 0x1e1ef8000?, 0xffffffffffffffff?, {0x4e700c0, 0xc01b2f4100}, 0x1)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:228 +0x103e
github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).alarm4ExcessiveMemUsage(0xc139cedf20, {0x4e700c0, 0xc01b2f4100})
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:165 +0x18d
github.com/pingcap/tidb/util/memoryusagealarm.(*Handle).Run(0xc0006a0330)
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:66 +0x113
created by main.createServer
	/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/tidb-server/main.go:762 +0x4d0...

tidb0-1112-err.log

4. What is your TiDB version? (Required)

6.4.0

[AkiraXie]

/severity major

[hawkingrei]

@AkiraXie I cannot see two data race gorotine in the dump. Can you enable race to run this case?