--- a/taskcluster/ci/test/test-sets.yml
+++ b/taskcluster/ci/test/test-sets.yml
@@ -53,16 +53,17 @@ talos:
     - talos-g2
     - talos-g3
     - talos-g4
     - talos-g5
     - talos-other
     - talos-svgr
     - talos-tp5o
     - talos-perf-reftest
+    - talos-perf-reftest-singletons
 
 awsy:
     - awsy
 
 headless:
     - marionette-headless
 
 ##

--- a/taskcluster/ci/test/tests.yml
+++ b/taskcluster/ci/test/tests.yml
@@ -1444,16 +1444,38 @@ talos-perf-reftest:
             by-test-platform:
                 windows.*:
                     - talos/windows_taskcluster_config.py
                 default:
                     - talos/linux_config.py
         extra-options:
             - --suite=perf-reftest
 
+talos-perf-reftest-singletons:
+    description: "Talos perf-reftest singletons"
+    suite: talos
+    try-name: perf-reftest-singletons
+    treeherder-symbol: tc-T(ps)
+    run-on-projects:
+        by-test-platform:
+            linux64-stylo-sequential/.*: ['mozilla-central', 'try']
+            linux64-stylo/.*: ['mozilla-central', 'try']
+            default: built-projects
+    max-run-time: 3600
+    e10s: true
+    mozharness:
+        script: talos_script.py
+        no-read-buildbot-config: true
+        config:
+            by-test-platform:
+                default:
+                    - talos/linux_config.py
+        extra-options:
+            - --suite=perf-reftest-singletons
+
 talos-svgr:
     description: "Talos svgr"
     suite: talos
     try-name: svgr
     treeherder-symbol: tc-T(s)
     virtualization: hardware
     run-on-projects:
         by-test-platform: