blob: 647c32656abd6d05d7f6db97e24c23785fd25d74 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
import os
import sysconfig
import unittest
try:
from _testinternalcapi import perf_map_state_teardown, write_perf_map_entry
except ImportError:
raise unittest.SkipTest("requires _testinternalcapi")
def supports_trampoline_profiling():
perf_trampoline = sysconfig.get_config_var("PY_HAVE_PERF_TRAMPOLINE")
if not perf_trampoline:
return False
return int(perf_trampoline) == 1
if not supports_trampoline_profiling():
raise unittest.SkipTest("perf trampoline profiling not supported")
class TestPerfMapWriting(unittest.TestCase):
def test_write_perf_map_entry(self):
self.assertEqual(write_perf_map_entry(0x1234, 5678, "entry1"), 0)
self.assertEqual(write_perf_map_entry(0x2345, 6789, "entry2"), 0)
with open(f"/tmp/perf-{os.getpid()}.map") as f:
perf_file_contents = f.read()
self.assertIn("1234 162e entry1", perf_file_contents)
self.assertIn("2345 1a85 entry2", perf_file_contents)
perf_map_state_teardown()
|
