Move ACRN Device Model code in a devicemodel/ folder

This is part of the short series of commits that will lead
to a unified repository for the ACRN hypervisor, device model
and the associated documentation.

Signed-off-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>

devicemodel/tools/acrntrace/scripts/acrnalyze.py

@@ -0,0 +1,107 @@
+#!/usr/bin/python2
+# -*- coding: UTF-8 -*-
+
+"""
+This is the main script of arnalyzer, which:
+- parse the options
+- pre-process the trace data file
+- call a specific script to do analysis
+"""
+
+import sys
+import getopt
+import os
+from vmexit_analyze import analyze_vm_exit
+
+def usage():
+    """print the usage of the script
+    Args: NA
+    Returns: None
+    Raises: NA
+    """
+    print '''
+    [Usage] acrnalyze.py [options] [value] ...
+
+    [options]
+    -h: print this message
+    -i, --ifile=[string]: input file
+    -o, --ofile=[string]: output file
+    --vm_exit: to generate vm_exit report
+    '''
+
+def do_analysis(ifile, ofile, analyzer):
+    """do the specific analysis
+
+    Args:
+        ifile: input trace data file
+        ofile: output analysis report file
+        analyzer: a function do the specific analysis
+    Returns:
+        None
+    Raises:
+        NA
+    """
+    analyzer(ifile, ofile)
+
+# pre process to make sure the trace data start and end with VMENTER
+def pre_process(ifile, evstr):
+    """invoke sh script to preprocess the data file
+
+    Args:
+        ifile: input trace data file
+        evstr: event string, after the processing, the data file should
+                start and end with the string
+    Returns:
+        status of sh script execution
+    Raises:
+        NA
+    """
+    status = os.system('bash pre_process.sh %s %s' % (ifile, evstr))
+    return status
+
+def main(argv):
+    """Main enterance function
+
+    Args:
+        argv: arguments string
+    Returns:
+        None
+    Raises:
+        GetoptError
+    """
+    inputfile = ''
+    outputfile = ''
+    opts_short = "hi:o:"
+    opts_long = ["ifile=", "ofile=", "vm_exit"]
+
+    try:
+        opts, args = getopt.getopt(argv, opts_short, opts_long)
+    except getopt.GetoptError:
+        usage()
+        sys.exit(1)
+
+    for opt, arg in opts:
+        if opt == '-h':
+            usage()
+            sys.exit()
+        elif opt in ("-i", "--ifile"):
+            inputfile = arg
+        elif opt in ("-o", "--ofile"):
+            outputfile = arg
+        elif opt == "--vm_exit":
+            analyzer = analyze_vm_exit
+        else:
+            assert False, "unhandled option"
+
+    assert inputfile != '', "input file is required"
+    assert outputfile != '', "output file is required"
+    assert analyzer != '', 'MUST contain one of analyzer: ''vm_exit'
+
+    status = pre_process(inputfile, 'VM_ENTER')
+    if status == 0:
+        do_analysis(inputfile, outputfile, analyzer)
+    else:
+        print "Invalid trace data file %s" % (inputfile)
+
+if __name__ == "__main__":
+    main(sys.argv[1:])