more tests

codecov.yml

@@ -1,3 +1,3 @@
 ignore:
-  - "tests/*"           # ignore test folder and all its contents
-  - "__init__.py"       # ignore init files
+  - "tests/**/*"        # ignore test folder and all its contents
+  - "**/__init__.py"    # ignore init files

osaca/db_interface.py

@@ -52,7 +52,7 @@ def sanity_check(arch: str, verbose=False):
     )
 
 
-def import_benchmark_output(arch, bench_type, filepath):
+def import_benchmark_output(arch, bench_type, filepath, output=None):
     """
     Import benchmark results from micro-benchmarks.
 
@@ -62,6 +62,8 @@ def import_benchmark_output(arch, bench_type, filepath):
     :type bench_type: str
     :param filepath: filepath to the output file
     :type filepath: str
+    :param output: output filepath to dump, defaults to None
+    :type output: str
     """
     supported_bench_outputs = ['ibench', 'asmbench']
     assert os.path.exists(filepath)
@@ -78,7 +80,11 @@ def import_benchmark_output(arch, bench_type, filepath):
     # write entries to DB
     for entry in db_entries:
         mm.set_instruction_entry(db_entries[entry])
-    sys.stdout.write(mm.dump())
+    if output is None:
+        print(mm.dump())
+    else:
+        with open(output, 'w') as f:
+            mm.dump(stream=f)
 
 
 ##################

setup.cfg

@@ -1,4 +1,5 @@
 [pep8]
+[pycodestyle]
 max-line-length=99
 
 [metadata]

tests/test_db_interface.py

@@ -2,9 +2,11 @@
 """
 Unit tests for DB interface
 """
-
+import os
+import sys
 import unittest
 
+import osaca.db_interface as dbi
 from osaca.db_interface import sanity_check
 from osaca.semantics import MachineModel
 
@@ -71,14 +73,39 @@ class TestDBInterface(unittest.TestCase):
         sanity_check('csx', verbose=False)
         sanity_check('tx2', verbose=False)
         sanity_check('zen1', verbose=False)
+
         # verbose
-        sanity_check('csx', verbose=True)
-        sanity_check('tx2', verbose=True)
-        sanity_check('zen1', verbose=True)
+        stdout = sys.stdout
+        with open('/dev/null', 'w') as sys.stdout:
+            sanity_check('csx', verbose=True)
+            sanity_check('tx2', verbose=True)
+            sanity_check('zen1', verbose=True)
+        sys.stdout = stdout
+
+    def test_ibench_import(self):
+        # only check import without dumping the DB file (takes too much time)
+        with open(self._find_file('ibench_import_x86.dat')) as input_file:
+            entries = dbi._get_ibench_output(input_file, 'x86')
+            self.assertEqual(len(entries), 3)
+            for _, e in entries.items():
+                self.assertIsNotNone(e['throughput'])
+                self.assertIsNotNone(e['latency'])
+        with open(self._find_file('ibench_import_aarch64.dat')) as input_file:
+            entries = dbi._get_ibench_output(input_file, 'aarch64')
+            self.assertEqual(len(entries), 4)
+            for _, e in entries.items():
+                self.assertIsNotNone(e['throughput'])
+                self.assertIsNotNone(e['latency'])
 
     ##################
     # Helper functions
     ##################
+    @staticmethod
+    def _find_file(name):
+        testdir = os.path.dirname(__file__)
+        name = os.path.join(testdir, 'test_files', name)
+        assert os.path.exists(name)
+        return name
 
 
 if __name__ == '__main__':

tests/test_files/ibench_import_aarch64.dat

@@ -0,0 +1,9 @@
+Using frequency 2.20GHz.
+testinstr-i_d_v-TP: 0.501 (clock cycles)    [DEBUG - result: 0.007813]
+testinstr-i_d_v-LT:    4.013 (clock cycles)    [DEBUG - result: 1.000000]
+testinstr2-mboi_v-TP: 0.501 (clock cycles)    [DEBUG - result: 0.007813]
+testinstr2-mboi_v-LT:    4.013 (clock cycles)    [DEBUG - result: 1.000000]
+testinstr3-mbisr_v-TP: 0.501 (clock cycles)    [DEBUG - result: 0.007813]
+testinstr3-mbisr_v-LT:    4.013 (clock cycles)    [DEBUG - result: 1.000000]
+testinstr4-mboisp_v-TP: 0.501 (clock cycles)    [DEBUG - result: 0.007813]
+testinstr4-mboisp_v-LT:    4.013 (clock cycles)    [DEBUG - result: 1.000000]

tests/test_files/ibench_import_x86.dat

@@ -0,0 +1,7 @@
+Using frequency 2.50GHz.
+testinstr-i_r_x-TP: 0.251 (clock cycles)    [DEBUG - result: 0.007813]
+testinstr-i_r_x-LT:    4.013 (clock cycles)    [DEBUG - result: 1.000000]
+testinstr2-mboi_x-TP:   0.501 (clock cycles)    [DEBUG - result: 0.007813]
+testinstr2-mboi_x-LT:  8.010 (clock cycles)    [DEBUG - result: 1.000000]
+testinstr3-mbis_y-TP:   0.334 (clock cycles)    [DEBUG - result: 0.007813]
+testinstr3-mbis_y-LT:  8.010 (clock cycles)    [DEBUG - result: 1.000000]