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Refactor: observability code cleanup (#17862)

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Signed-off-by: Feng Su <sufeng@linux.alibaba.com>
This commit is contained in:
Feng Su
2026-02-24 18:07:29 -08:00
committed by GitHub
parent 245430eaac
commit 3b89302277
39 changed files with 2190 additions and 1725 deletions
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test/manual/test_tracing.py
+73 -32
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@@ -4,13 +4,14 @@ import subprocess
import time
import unittest
from dataclasses import dataclass
from typing import Any, Dict, Optional
from typing import Optional, Union
import requests
import zmq
from sglang import Engine
from sglang.srt.tracing.trace import *
from sglang.srt.observability.trace import *
from sglang.srt.observability.trace import get_cur_time_ns, set_global_trace_level
from sglang.srt.utils import get_zmq_socket, kill_process_tree
from sglang.test.test_utils import (
DEFAULT_SMALL_MODEL_NAME_FOR_TEST,
@@ -24,7 +25,7 @@ from sglang.test.test_utils import (
@dataclass
class Req:
rid: int
trace_context: Optional[Dict[str, Any]] = None
req_context: Optional[Union[TraceReqContext]] = None
class TestTrace(CustomTestCase):
@@ -65,22 +66,33 @@ class TestTrace(CustomTestCase):
except:
pass
def test_trace_enable(self):
def __test_trace_enable(self, trace_level, expect_export_data):
self.__clear_trace_file()
assert self.__launch_otel_jaeger()
self.addCleanup(self.__stop_otel_jaeger)
process = popen_launch_server(
DEFAULT_SMALL_MODEL_NAME_FOR_TEST,
DEFAULT_URL_FOR_TEST,
timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
other_args=["--enable-trace", "--otlp-traces-endpoint", "0.0.0.0:4317"],
other_args=[
"--enable-trace",
"--otlp-traces-endpoint",
"0.0.0.0:4317",
],
)
try:
# Make some requests to generate trace data
response = requests.get(f"{DEFAULT_URL_FOR_TEST}/health_generate")
self.assertEqual(response.status_code, 200)
# set trace level
response = requests.get(
f"{DEFAULT_URL_FOR_TEST}/set_trace_level?level={trace_level}"
)
self.assertEqual(response.status_code, 200)
# Make some requests to generate trace data
response = requests.post(
f"{DEFAULT_URL_FOR_TEST}/generate",
json={
@@ -101,15 +113,34 @@ class TestTrace(CustomTestCase):
# check trace file
assert os.path.isfile("/tmp/otel_trace.json"), "trace file not exist"
assert os.path.getsize("/tmp/otel_trace.json") > 0, "trace file is empty"
if expect_export_data:
assert (
os.path.getsize("/tmp/otel_trace.json") > 0
), "trace file is empty"
else:
assert (
os.path.getsize("/tmp/otel_trace.json") == 0
), "trace file is not empty"
finally:
kill_process_tree(process.pid)
assert self.__stop_otel_jaeger()
def test_trace_enable_level_1(self):
self.__test_trace_enable("1", True)
def test_trace_enable_level_2(self):
self.__test_trace_enable("2", True)
def test_trace_enable_level_3(self):
self.__test_trace_enable("3", True)
def test_trace_enable_level_0(self):
self.__test_trace_enable("0", False)
def test_trace_engine_enable(self):
self.__clear_trace_file()
assert self.__launch_otel_jaeger()
self.addCleanup(self.__stop_otel_jaeger)
prompt = "Today is a sunny day and I like"
model_path = DEFAULT_SMALL_MODEL_NAME_FOR_TEST
@@ -134,11 +165,11 @@ class TestTrace(CustomTestCase):
assert os.path.getsize("/tmp/otel_trace.json") > 0, "trace file is empty"
finally:
engine.shutdown()
assert self.__stop_otel_jaeger()
def test_trace_engine_encode(self):
self.__clear_trace_file()
assert self.__launch_otel_jaeger()
self.addCleanup(self.__stop_otel_jaeger)
prompt = "Today is a sunny day and I like"
model_path = "Qwen/Qwen2-7B"
@@ -162,19 +193,21 @@ class TestTrace(CustomTestCase):
assert os.path.getsize("/tmp/otel_trace.json") > 0, "trace file is empty"
finally:
engine.shutdown()
assert self.__stop_otel_jaeger()
def test_slice_trace_simple(self):
self.__clear_trace_file()
assert self.__launch_otel_jaeger()
self.addCleanup(self.__stop_otel_jaeger)
try:
process_tracing_init("0.0.0.0:4317", "test")
trace_set_thread_info("Test")
trace_req_start(0)
trace_slice_start("test slice", 0)
set_global_trace_level(3)
req_context = TraceReqContext(0)
req_context.trace_req_start()
req_context.trace_slice_start("test slice", level=1)
time.sleep(1)
trace_slice_end("test slice", 0)
trace_req_finish(0)
req_context.trace_slice_end("test slice", level=1)
req_context.trace_req_finish()
# sleep for a few seconds to wait for opentelemetry collector to asynchronously export data to file.
time.sleep(10)
@@ -182,23 +215,29 @@ class TestTrace(CustomTestCase):
assert os.path.isfile("/tmp/otel_trace.json"), "trace file not exist"
assert os.path.getsize("/tmp/otel_trace.json") > 0, "trace file is empty"
finally:
assert self.__stop_otel_jaeger()
pass
def test_slice_trace_complex(self):
self.__clear_trace_file()
assert self.__launch_otel_jaeger()
self.addCleanup(self.__stop_otel_jaeger)
try:
process_tracing_init("0.0.0.0:4317", "test")
trace_set_thread_info("Test")
trace_req_start(0)
trace_slice_start("", 0, anonymous=True)
set_global_trace_level(3)
req_context = TraceReqContext(0)
req_context.trace_req_start()
t1 = get_cur_time_ns()
time.sleep(1)
trace_slice_end("slice A", 0, auto_next_anon=True)
req_context.trace_event("event test", 1)
t2 = get_cur_time_ns()
time.sleep(1)
trace_slice_end("slice B", 0, auto_next_anon=True)
time.sleep(1)
trace_slice_end("slice C", 0, thread_finish_flag=True)
trace_req_finish(0)
t3 = get_cur_time_ns()
slice1 = TraceSliceContext("slice A", t1, t2)
slice2 = TraceSliceContext("slice B", t2, t3)
req_context.trace_slice(slice1)
req_context.trace_slice(slice2, thread_finish_flag=True)
req_context.trace_req_finish()
# sleep for a few seconds to wait for opentelemetry collector to asynchronously export data to file.
time.sleep(10)
@@ -206,7 +245,7 @@ class TestTrace(CustomTestCase):
assert os.path.isfile("/tmp/otel_trace.json"), "trace file not exist"
assert os.path.getsize("/tmp/otel_trace.json") > 0, "trace file is empty"
finally:
assert self.__stop_otel_jaeger()
pass
def test_trace_context_propagete(self):
def __process_work():
@@ -220,16 +259,19 @@ class TestTrace(CustomTestCase):
try:
req = recv_from_main.recv_pyobj()
trace_set_proc_propagate_context(req.rid, req.trace_context)
trace_slice_start("work", req.rid)
req.req_context.rebuild_thread_context()
req.req_context.trace_slice_start("work", level=1)
time.sleep(1)
trace_slice_end("work", req.rid, thread_finish_flag=True)
req.req_context.trace_slice_end(
"work", level=1, thread_finish_flag=True
)
finally:
recv_from_main.close()
context.term()
self.__clear_trace_file()
assert self.__launch_otel_jaeger()
self.addCleanup(self.__stop_otel_jaeger)
context = zmq.Context(2)
send_to_subproc = get_zmq_socket(
@@ -246,15 +288,15 @@ class TestTrace(CustomTestCase):
time.sleep(1)
req = Req(rid=0)
trace_req_start(req.rid)
trace_slice_start("dispatch", req.rid)
req.req_context = TraceReqContext(0)
req.req_context.trace_req_start()
req.req_context.trace_slice_start("dispatch", level=1)
time.sleep(1)
req.trace_context = trace_get_proc_propagate_context(req.rid)
send_to_subproc.send_pyobj(req)
trace_slice_end("dispatch", req.rid)
req.req_context.trace_slice_end("dispatch", level=1)
subproc.join()
trace_req_finish(req.rid)
req.req_context.trace_req_finish()
# sleep for a few seconds to wait for opentelemetry collector to asynchronously export data to file.
time.sleep(10)
@@ -265,7 +307,6 @@ class TestTrace(CustomTestCase):
finally:
send_to_subproc.close()
context.term()
assert self.__stop_otel_jaeger()
if __name__ == "__main__":