HV:Acrn-hypvervisor Root Directory Clean-up and create misc/ folder for Acrn daemons, services and tools.

This patch is to clean-up acrn-hypervisor root directory, targt only 5 folders under acrn-hypervisor:1.hypervisor,2.devicemodel,3.misc,4.doc,5.build

Tracked-On: #3482
Signed-off-by: Terry Zou <terry.zou@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

misc/tools/acrntrace/scripts/irq_analyze.py

@@ -0,0 +1,107 @@
+#!/usr/bin/python3
+# -*- coding: UTF-8 -*-
+
+"""
+This script defines the function to do the irq related analysis
+"""
+
+import csv
+import struct
+
+TSC_BEGIN = 0
+TSC_END = 0
+
+VMEXIT_ENTRY = 0x10000
+
+LIST_EVENTS = {
+    'VMEXIT_EXTERNAL_INTERRUPT':   VMEXIT_ENTRY + 0x00000001,
+}
+
+IRQ_EXITS = {}
+
+# 4 * 64bit per trace entry
+TRCREC = "QQQQ"
+
+def parse_trace(ifile):
+    """parse the trace data file
+    Args:
+        ifile: input trace data file
+    Return:
+        None
+    """
+
+    fd = open(ifile, 'rb')
+
+    while True:
+        global TSC_BEGIN, TSC_END
+        try:
+            line = fd.read(struct.calcsize(TRCREC))
+            if not line:
+                break
+            (tsc, event, vec, d2) = struct.unpack(TRCREC, line)
+
+            event = event & 0xffffffffffff
+
+            if TSC_BEGIN == 0:
+               TSC_BEGIN = tsc
+
+            TSC_END = tsc
+
+            for key in LIST_EVENTS.keys():
+                if event == LIST_EVENTS.get(key):
+                    if vec in IRQ_EXITS.keys():
+                        IRQ_EXITS[vec] += 1
+                    else:
+                        IRQ_EXITS[vec] = 1
+
+        except struct.error:
+            sys.exit()
+
+def generate_report(ofile, freq):
+    """ generate analysis report
+    Args:
+        ofile: output report
+        freq: TSC frequency of the device trace data from
+    Return:
+        None
+    """
+    global TSC_BEGIN, TSC_END
+
+    csv_name = ofile + '.csv'
+    try:
+        with open(csv_name, 'a') as filep:
+            f_csv = csv.writer(filep)
+
+            rt_cycle = TSC_END - TSC_BEGIN
+            assert rt_cycle != 0, "Total run time in cycle is 0, \
+                                   TSC end %d, TSC begin %d" \
+                                   % (TSC_END, TSC_BEGIN)
+
+            rt_sec = float(rt_cycle) / (float(freq) * 1000 * 1000)
+
+            print ("%-8s\t%-8s\t%-8s" % ("Vector", "Count", "NR_Exit/Sec"))
+            f_csv.writerow(['Vector', 'NR_Exit', 'NR_Exit/Sec'])
+            for e in IRQ_EXITS.keys():
+                pct = float(IRQ_EXITS[e]) / rt_sec
+                print ("0x%08x\t%-8d\t%-8.2f" % (e, IRQ_EXITS[e], pct))
+                f_csv.writerow(['0x%08x' % e, IRQ_EXITS[e], '%.2f' % pct])
+
+    except IOError as err:
+        print ("Output File Error: " + str(err))
+
+def analyze_irq(ifile, ofile, freq):
+    """do the vm exits analysis
+    Args:
+        ifile: input trace data file
+        ofile: output report file
+        freq: TSC frequency of the host where we capture the trace data
+    Return:
+        None
+    """
+
+    print("IRQ analysis started... \n\tinput file: %s\n"
+          "\toutput file: %s.csv" % (ifile, ofile))
+
+    parse_trace(ifile)
+    # save report to the output file
+    generate_report(ofile, freq)