tests: increase coverage of trace.py

Signed-off-by: Tomasz Grabiec <tgrabiec@cloudius-systems.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

scripts/tests/test_tracing.py

@@ -5,7 +5,8 @@ import subprocess
 @test
 def tracing_smoke_test():
     path = '/this/path/does/not/exist'
-    guest = Guest(['--trace=vfs_*,net_packet*', '-e', path], hold_with_poweroff=True, show_output_on_error=False)
+    guest = Guest(['--trace=vfs_*,net_packet*,sched_wait*', '--trace-backtrace', '-e', path],
+        hold_with_poweroff=True, show_output_on_error=False)
     try:
         wait_for_line(guest, 'run_main(): cannot execute %s. Powering off.' % path)
 
@@ -16,14 +17,33 @@ def tracing_smoke_test():
 
         assert(subprocess.call([trace_script, 'extract']) == 0)
 
-        summary = subprocess.check_output([trace_script, 'summary'])
+        summary_output = subprocess.check_output([trace_script, 'summary', '--timed'])
+        summary, timed_summary = summary_output.split('Timed tracepoints')
+
         assert('vfs_open' in summary)
         assert('vfs_open_err' in summary)
 
+        assert('vfs_pwritev' in timed_summary)
+        assert('vfs_open' in timed_summary)
+
         samples = subprocess.check_output([trace_script, 'list'])
         assert('vfs_open             "%s" 0x0 00' % path in samples)
         assert('vfs_open_err         2' in samples)
 
+        samples = subprocess.check_output([trace_script, 'list-timed'])
+        assert('vfs_open             "%s" 0x0 00' % path in samples)
+
+        profile = subprocess.check_output([trace_script, 'prof-timed', '-t', 'vfs_open'])
+        assert('open' in profile)
+        assert('elf::program::get_library' in profile)
+
+        profile = subprocess.check_output([trace_script, 'prof-wait'])
+        assert('osv::poweroff' in profile)
+
+        profile = subprocess.check_output([trace_script, 'prof'])
+        assert('osv::poweroff' in profile)
+        assert('elf::program::get_library' in profile)
+
         tcpdump = subprocess.check_output([trace_script, 'tcpdump'])
         assert('0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from' in tcpdump)
         assert('192.168.122.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply' in tcpdump)