syscall lab need to finish

grade-lab-syscall

@@ -0,0 +1,136 @@
+#!/usr/bin/env python3
+
+import re
+from gradelib import *
+
+r = Runner(save("xv6.out"))
+
+@test(5, "answers-syscall.txt")
+def test_answers():
+    # just a simple sanity check, will be graded manually
+    check_answers("answers-syscall.txt")
+
+@test(5, "trace 32 grep")
+def test_trace_32_grep():
+    r.run_qemu(shell_script([
+        'trace 32 grep hello README'
+    ]))
+
+    sys_cnt = {
+    'read' : 0
+    }
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 1023'
+    r.match(s)
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 961'
+    r.match(s)
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 321'
+    r.match(s)
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 0'
+    r.match(s)
+
+@test(5, "trace all grep")
+def test_trace_all_grep():
+    r.run_qemu(shell_script([
+        'trace 2147483647 grep hello README'
+    ]))
+
+    sys_cnt = {
+    'read' : 0,
+    'trace' : 0,
+    'exec' : 0,
+    'open' : 0,
+    'close' : 0,
+    'fork' : 0,
+    }
+
+    sys_cnt['trace'] += 1
+    s = r'^\d+: syscall trace\(trace counts: ' + str(sys_cnt['trace']) + r'\) -> 0'
+    r.match(s)
+
+    sys_cnt['exec'] += 1
+    s = r'^\d+: syscall exec\(trace counts: ' + str(sys_cnt['exec']) + r'\) -> 3'
+    r.match(s)
+
+    sys_cnt['open'] += 1
+    s = r'^\d+: syscall open\(trace counts: ' + str(sys_cnt['open']) + r'\) -> 3'
+    r.match(s)
+
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 1023'
+    r.match(s)
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 961'
+    r.match(s)
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 321'
+    r.match(s)
+
+    sys_cnt['read'] += 1
+    s = r'^\d+: syscall read\(trace counts: ' + str(sys_cnt['read']) + r'\) -> 0'
+    r.match(s)
+
+    sys_cnt['close'] += 1
+    s = r'^\d+: syscall close\(trace counts: ' + str(sys_cnt['close']) + r'\) -> 0'
+    r.match(s)
+
+@test(5, "trace nothing")
+def test_trace_nothing():
+    r.run_qemu(shell_script([
+        'grep hello README'
+    ]))
+    r.match(no=[".* syscall .*"])
+
+@test(5, "trace children")
+def test_trace_children():
+    r.run_qemu(shell_script([
+        'trace 2 usertests forkforkfork'
+    ]))
+
+    sys_cnt = {
+    'read' : 0,
+    'trace' : 0,
+    'exec' : 0,
+    'open' : 0,
+    'close' : 0,
+    'fork' : 0,
+    }
+
+    sys_cnt['fork'] += 1
+    s = r'3: syscall fork\(trace counts: ' + str(sys_cnt['fork']) + r'\) -> 4'
+    r.match(s)
+    
+    s = r'^5: syscall fork\(trace counts: \d+\) -> \d+'
+    r.match(s)
+    
+    s = r'^6: syscall fork\(trace counts: \d+\) -> \d+'
+    r.match(s)
+
+    s = r'^\d+: syscall fork\(trace counts: \d+\) -> -1'
+    r.match(s)
+    
+    r.match('^ALL TESTS PASSED')
+
+@test(14, "sysinfotest")
+def test_sysinfotest():
+    r.run_qemu(shell_script([
+        'sysinfotest'
+    ]))
+    r.match('^sysinfotest: OK', no=[".* FAIL .*"])
+
+@test(1, "time")
+def test_time():
+    check_time()
+
+run_tests()
+