| # RUN: python %s |
| |
| import unittest |
| import sys |
| import os |
| import tempfile |
| from lnt.testing.profile.perf import LinuxPerfProfile |
| |
| |
| class CPerfTest(unittest.TestCase): |
| def setUp(self): |
| self.inputs = os.path.join(os.path.dirname(os.path.abspath(__file__)), |
| 'Inputs') |
| self.fake_nm = 'python %s/fake-nm.py' % self.inputs |
| |
| self.expected_data = { |
| "fib-aarch64": { |
| u"counters": {u"cycles": 240949386}, |
| u"functions": { |
| u"fib": { |
| u"counters": {u"cycles": 99.77243187496647}, |
| u"data": [ |
| [ |
| {u"cycles": 22.476272172208624}, |
| 4196040, |
| u"\ta9be4ff4 \tstp\tx20, x19, [sp,#-32]!", |
| ], |
| [ |
| {u"cycles": 20.81533649797271}, |
| 4196044, |
| u"\ta9017bfd \tstp\tx29, x30, [sp,#16]", |
| ], |
| [{}, 4196048, u"\t910043fd \tadd\tx29, sp, #0x10"], |
| [{}, 4196052, u"\t71000813 \tsubs\tw19, w0, #0x2"], |
| [{}, 4196056, u"\t540000eb \tb.lt\t4006f4 <fib+0x2c>"], |
| [ |
| {u"cycles": 10.065491723992467}, |
| 4196060, |
| u"\t51000400 \tsub\tw0, w0, #0x1", |
| ], |
| [{}, 4196064, u"\t97fffffa \tbl\t4006c8 <fib>"], |
| [ |
| {u"cycles": 5.858831022967777}, |
| 4196068, |
| u"\t2a0003f4 \tmov\tw20, w0", |
| ], |
| [{}, 4196072, u"\t2a1303e0 \tmov\tw0, w19"], |
| [{}, 4196076, u"\t97fffff7 \tbl\t4006c8 <fib>"], |
| [ |
| {u"cycles": 7.57924022814841}, |
| 4196080, |
| u"\t0b140000 \tadd\tw0, w0, w20", |
| ], |
| [ |
| {u"cycles": 19.240308514111305}, |
| 4196084, |
| u"\ta9417bfd \tldp\tx29, x30, [sp,#16]", |
| ], |
| [ |
| {u"cycles": 13.964519840598708}, |
| 4196088, |
| u"\ta8c24ff4 \tldp\tx20, x19, [sp],#32", |
| ], |
| [{}, 4196092, u"\td65f03c0 \tret"], |
| ], |
| } |
| }, |
| }, |
| "fib2-aarch64": { |
| u"counters": { |
| u"branch-misses": 1820692, |
| u"cache-misses": 33054, |
| u"cycles": 243618286, |
| }, |
| u"functions": { |
| u"fib": { |
| u"counters": { |
| u"branch-misses": 99.7405382129432, |
| u"cache-misses": 75.18000847098688, |
| u"cycles": 99.78902404723429, |
| }, |
| u"data": [ |
| [ |
| { |
| u"branch-misses": 21.904846340904687, |
| u"cache-misses": 37.4486921529175, |
| u"cycles": 23.48637833693693, |
| }, |
| 4196040, |
| u"\ta9be4ff4 \tstp\tx20, x19, [sp,#-32]!", |
| ], |
| [ |
| { |
| u"branch-misses": 2.6443747907452115, |
| u"cache-misses": 17.08651911468813, |
| u"cycles": 20.34001001463117, |
| }, |
| 4196044, |
| u"\ta9017bfd \tstp\tx29, x30, [sp,#16]", |
| ], |
| [{}, 4196048, u"\t910043fd \tadd\tx29, sp, #0x10"], |
| [{}, 4196052, u"\t71000813 \tsubs\tw19, w0, #0x2"], |
| [{}, 4196056, u"\t540000eb \tb.lt\t4006f4 <fib+0x2c>"], |
| [ |
| { |
| u"branch-misses": 30.264575146698622, |
| u"cache-misses": 20.69215291750503, |
| u"cycles": 9.787981545863996, |
| }, |
| 4196060, |
| u"\t51000400 \tsub\tw0, w0, #0x1", |
| ], |
| [{}, 4196064, u"\t97fffffa \tbl\t4006c8 <fib>"], |
| [ |
| { |
| u"branch-misses": 0.11195131191739062, |
| u"cache-misses": 2.3621730382293764, |
| u"cycles": 7.702120542412432, |
| }, |
| 4196068, |
| u"\t2a0003f4 \tmov\tw20, w0", |
| ], |
| [{}, 4196072, u"\t2a1303e0 \tmov\tw0, w19"], |
| [{}, 4196076, u"\t97fffff7 \tbl\t4006c8 <fib>"], |
| [ |
| { |
| u"branch-misses": 19.03265916580028, |
| u"cache-misses": 3.8229376257545273, |
| u"cycles": 7.362266427937867, |
| }, |
| 4196080, |
| u"\t0b140000 \tadd\tw0, w0, w20", |
| ], |
| [ |
| { |
| u"branch-misses": 4.9891297644011345, |
| u"cache-misses": 7.553319919517103, |
| u"cycles": 18.387547715628735, |
| }, |
| 4196084, |
| u"\ta9417bfd \tldp\tx29, x30, [sp,#16]", |
| ], |
| [ |
| { |
| u"branch-misses": 21.05246347953268, |
| u"cache-misses": 11.03420523138833, |
| u"cycles": 12.93369541658887, |
| }, |
| 4196088, |
| u"\ta8c24ff4 \tldp\tx20, x19, [sp],#32", |
| ], |
| [{}, 4196092, u"\td65f03c0 \tret"], |
| ], |
| } |
| }, |
| }, |
| } |
| |
| def _getNm(self, perf_data_fname, non_dynamic=False): |
| stub = perf_data_fname.rsplit('.perf_data', 1)[0] |
| s = 'python %s/fake-nm.py %s.nm.out' % (self.inputs, stub) |
| if non_dynamic: |
| s += ' --fake-nm-be-non-dynamic' |
| return s |
| |
| def _getObjdump(self, perf_data_fname): |
| stub = perf_data_fname.rsplit('.perf_data', 1)[0] |
| return 'python %s/fake-objdump.py %s.objdump' % (self.inputs, stub) |
| |
| def _getInput(self, fname): |
| return os.path.join(self.inputs, fname) |
| |
| def _loadPerfDataInput(self, fname): |
| perf_data = self._getInput(fname) |
| fake_objdump = self._getObjdump(perf_data) |
| with open(perf_data, 'rb') as f: |
| return LinuxPerfProfile.deserialize( |
| f, objdump=fake_objdump, propagateExceptions=True) |
| |
| def test_check_file(self): |
| self.assertTrue(LinuxPerfProfile.checkFile(self._getInput('fib-aarch64.perf_data'))) |
| |
| def test_aarch64_fib(self): |
| p = self._loadPerfDataInput('fib-aarch64.perf_data') |
| |
| self.assertEqual(p.data, self.expected_data['fib-aarch64']) |
| |
| def test_aarch64_fib2(self): |
| p = self._loadPerfDataInput('fib2-aarch64.perf_data') |
| |
| self.assertEqual(p.data, self.expected_data['fib2-aarch64']) |
| |
| def test_aarch64_fib2_nondynamic(self): |
| p = self._loadPerfDataInput('fib2-aarch64.perf_data') |
| |
| self.assertEqual(p.data, self.expected_data['fib2-aarch64']) |
| |
| def test_random_guff(self): |
| # Create complete rubbish and throw it at cPerf, expecting an |
| # AssertionError. |
| data = b'6492gbiajng295akgjowj210441' |
| with tempfile.NamedTemporaryFile() as fd: |
| fd.write(data) |
| fd.seek(0) |
| with self.assertRaises(AssertionError): |
| LinuxPerfProfile.deserialize(fd, propagateExceptions=True) |
| |
| """ |
| This test causes a Bus Error (SIGBUS) which cannot be handled correctly. |
| def test_random_guff2(self): |
| # Create complete rubbish and throw it at cPerf, expecting an |
| # AssertionError. This version contains the correct magic number. |
| data = b'PERFILE28620k hshjsjhs&6362kkjh25090nnjh' |
| with tempfile.NamedTemporaryFile() as fd: |
| fd.write(data) |
| fd.seek(0) |
| with self.assertRaises(AssertionError): |
| LinuxPerfProfile.deserialize(fd, propagateExceptions=True) |
| """ |
| |
| |
| if __name__ == '__main__': |
| unittest.main(argv=[sys.argv[0], ]) |
