add performance section to readme

README.md

@@ -76,3 +76,30 @@ $ venv/bin/pip install --pre tlslite-ng
 $ PYTHONPATH=. venv/bin/python scripts/test-client-hello-max-size.py
 
 ```
+
+## Peformance
+
+A Performance result as below, check github [actions][actions] for more results and details.
+```
+------------- Performance Baseline -------------
+Running 10s test @ https://127.0.0.1:4433
+  2 threads and 2000 connections
+  Thread Stats   Avg      Stdev     Max   +/- Stdev
+    Latency    24.19ms   43.64ms 628.85ms   97.42%
+    Req/Sec    34.41k     4.55k   41.51k    91.86%
+  624219 requests in 10.10s, 0.88GB read
+Requests/sec:  61834.39
+Transfer/sec:     89.34MB
+------------- Performance Fingerprint -------------
+Running 10s test @ https://127.0.0.1:4433
+  2 threads and 2000 connections
+  Thread Stats   Avg      Stdev     Max   +/- Stdev
+    Latency    24.39ms   43.85ms 624.60ms   97.41%
+    Req/Sec    34.75k     3.87k   39.51k    97.06%
+  624949 requests in 10.09s, 0.85GB read
+Requests/sec:  61929.67
+Transfer/sec:     86.35MB
+```
+The results indicate that nginx-ssl-fingerprint module performs comparably well.
+
+[actions]: https://github.com/phuslu/nginx-ssl-fingerprint/actions/workflows/performance.yml