add test

examples/server/README.md

@@ -416,7 +416,7 @@ node index.js
 
     `samplers`: The order the samplers should be applied in. An array of strings representing sampler type names. If a sampler is not set, it will not be used. If a sampler is specified more than once, it will be applied multiple times. Default: `["dry", "top_k", "typ_p", "top_p", "min_p", "xtc", "temperature"]` - these are all the available values.
 
-    `timing_per_token`: Include prompt processing and text generation speed information in each response.  Default: `false`
+    `timings_per_token`: Include prompt processing and text generation speed information in each response.  Default: `false`
 
 **Response format**
 

examples/server/server.cpp

@@ -177,7 +177,7 @@ struct server_slot {
     bool stopped_word   = false;
     bool stopped_limit  = false;
 
-    bool timing_per_token = false;
+    bool timings_per_token = false;
 
     bool oaicompat = false;
 
@@ -884,7 +884,7 @@ struct server_context {
             slot.oaicompat_model = "";
         }
 
-        slot.timing_per_token = json_value(data, "timing_per_token", false);
+        slot.timings_per_token       = json_value(data, "timings_per_token",  false);
 
         slot.params.stream           = json_value(data, "stream",             false);
         slot.params.cache_prompt     = json_value(data, "cache_prompt",       true);
@@ -1283,7 +1283,7 @@ struct server_context {
             {"speculative.n_max",         slot.params.speculative.n_max},
             {"speculative.n_min",         slot.params.speculative.n_min},
             {"speculative.p_min",         slot.params.speculative.p_min},
-            {"timing_per_token",          slot.timing_per_token},
+            {"timings_per_token",         slot.timings_per_token},
         };
     }
 
@@ -1341,7 +1341,7 @@ struct server_context {
             res.data["model"] = slot.oaicompat_model;
         }
 
-        if (slot.timing_per_token) {
+        if (slot.timings_per_token) {
             res.data["timings"] = slot.get_formated_timings();
         }
 

examples/server/tests/unit/test_chat_completion.py

@@ -146,3 +146,20 @@ def test_invalid_chat_completion_req(messages):
     })
     assert res.status_code == 400 or res.status_code == 500
     assert "error" in res.body
+
+
+def test_chat_completion_with_timings_per_token():
+    global server
+    server.start()
+    res = server.make_stream_request("POST", "/chat/completions", data={
+        "max_tokens": 10,
+        "messages": [{"role": "user", "content": "test"}],
+        "stream": True,
+        "timings_per_token": True,
+    })
+    for data in res:
+        assert "timings" in data
+        assert "prompt_per_second" in data["timings"]
+        assert "predicted_per_second" in data["timings"]
+        assert "predicted_n" in data["timings"]
+        assert data["timings"]["predicted_n"] <= 10