There is some dead-code in system_perf.yaml. Here's an example patch:

diff --git a/etc/system_perf.yml b/etc/system_perf.yml
index 8b83746449f..c94662e592e 100755
— a/etc/system_perf.yml
+++ b/etc/system_perf.yml
@@ -893,13 +893,6 @@ tasks:
vars:
test_control: "change_streams_latency"

• - name: change_streams_listen_throughput
• priority: 5
• commands:
• - func: f_run_dsi_workload
• vars:
• test_control: "change_streams_listen_throughput"
  -
• name: change_streams_multi_mongos
  priority: 5
  commands:

It'd be nice to clean it up.