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    25.21ms   44.64ms 662.79ms   97.40%
+    Req/Sec    36.04k     4.42k   43.89k    90.64%
+  649118 requests in 10.08s, 775.67MB read
+Requests/sec:  64423.36
+Transfer/sec:     76.98MB
+------------- Performance Fingerprint -------------
+Running 10s test @ https://127.0.0.1:4433
+  2 threads and 2000 connections
+  Thread Stats   Avg      Stdev     Max   +/- Stdev
+    Latency    25.12ms   42.88ms 630.20ms   97.44%
+    Req/Sec    35.38k     4.44k   42.86k    84.02%
+  634062 requests in 10.02s, 0.85GB read
+Requests/sec:  63285.47
+Transfer/sec:     87.27MB
+```
+The results indicate that nginx-ssl-fingerprint module performs comparably well.
+
+[actions]: https://github.com/phuslu/nginx-ssl-fingerprint/actions/workflows/performance.yml