mirror of
https://github.com/kvcache-ai/sglang.git
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118 lines
3.8 KiB
Python
118 lines
3.8 KiB
Python
import glob
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import os
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import pickle
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import tempfile
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import time
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import unittest
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import requests
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from sglang.srt.environ import envs
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from sglang.srt.utils import kill_process_tree
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from sglang.test.ci.ci_register import register_amd_ci, register_cuda_ci
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from sglang.test.test_utils import (
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DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
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DEFAULT_URL_FOR_TEST,
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CustomTestCase,
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popen_launch_server,
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)
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register_cuda_ci(est_time=40, suite="nightly-1-gpu", nightly=True)
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register_amd_ci(est_time=40, suite="nightly-amd-1-gpu", nightly=True)
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class TestCrashDump(CustomTestCase):
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crash_dump_folder = None
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MAX_NEW_TOKENS = 4
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NUM_REQUESTS_BEFORE_CRASH = 5
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@classmethod
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def setUpClass(cls):
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cls.crash_dump_folder = tempfile.mkdtemp(prefix="crash_dump_test_")
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with envs.SGLANG_TEST_CRASH_AFTER_STREAM_OUTPUTS.override(
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cls.NUM_REQUESTS_BEFORE_CRASH * cls.MAX_NEW_TOKENS + 10
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):
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cls.process = popen_launch_server(
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"Qwen/Qwen3-0.6B",
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DEFAULT_URL_FOR_TEST,
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timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
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other_args=[
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"--crash-dump-folder",
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cls.crash_dump_folder,
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"--skip-server-warmup",
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],
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)
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@classmethod
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def tearDownClass(cls):
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kill_process_tree(cls.process.pid)
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def test_crash_dump_generated(self):
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"""Test that crash dump file is generated after server crash."""
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# Send multiple requests to trigger the crash
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for i in range(self.NUM_REQUESTS_BEFORE_CRASH * 2):
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try:
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response = requests.post(
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DEFAULT_URL_FOR_TEST + "/generate",
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json={
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"text": f"Hello, this is request {i}.",
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"sampling_params": {
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"max_new_tokens": self.MAX_NEW_TOKENS,
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"temperature": 0,
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},
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},
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timeout=30,
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)
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except requests.exceptions.RequestException:
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# Connection error expected after crash
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pass
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# Wait for crash dump to be written
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time.sleep(5)
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# Find the crash dump file
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dump_pattern = os.path.join(self.crash_dump_folder, "*", "crash_dump_*.pkl")
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dump_files = glob.glob(dump_pattern)
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# Check that a dump file was created
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self.assertTrue(
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len(dump_files) > 0,
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f"No crash dump file found in {self.crash_dump_folder}. "
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f"Pattern: {dump_pattern}",
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)
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# Read the dump file and verify contents
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dump_file = dump_files[0]
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with open(dump_file, "rb") as f:
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dump_data = pickle.load(f)
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# Verify the dump structure
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self.assertIn("server_args", dump_data)
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self.assertIn("requests", dump_data)
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# Check that there are more than 5 requests in the dump
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requests_list = dump_data["requests"]
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self.assertGreater(
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len(requests_list),
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self.NUM_REQUESTS_BEFORE_CRASH,
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f"Expected more than {self.NUM_REQUESTS_BEFORE_CRASH} requests in dump, but got {len(requests_list)}",
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)
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# Verify each request tuple has the expected structure (obj, out, created_time, finish_time)
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for i, req_tuple in enumerate(requests_list):
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self.assertIsInstance(
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req_tuple,
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tuple,
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f"Request {i} should be a tuple, got {type(req_tuple)}",
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)
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self.assertGreaterEqual(
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len(req_tuple),
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4,
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f"Request {i} tuple should have at least 4 elements",
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)
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if __name__ == "__main__":
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unittest.main()
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