dtworkload run failed

[JinheLin]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

./tiflash dtworkload --testing_type=daily_perf --verify_round=100

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

Run successfully without any exception.

3. What did you see instead (Required)

Run failed.

4. What is your TiFlash version? (Required)

sh-4.2# /tiflash/tiflash --version
TiFlash
Release Version: v6.1.0-nightly
Edition:         Community
Git Commit Hash: c0459782af4499b98bef3e3edc523e103827e38b
Git Branch:      heads/refs/tags/v6.1.0-nightly
UTC Build Time:  2022-05-11 22:58:31
Enable Features: jemalloc avx avx512 unwind
Profile:         RELWITHDEBINFO

Raft Proxy
Git Commit Hash:   a03434d3758bee4fa335ce87da5f772eebe8f9cc
Git Commit Branch: HEAD
UTC Build Time:    2022-05-11 23:04:39
Rust Version:      rustc 1.60.0-nightly (1e12aef3f 2022-02-13)
Storage Engine:    tiflash
Prometheus Prefix: tiflash_proxy_
Profile:           release