1 files changed, 111 insertions, 0 deletions

diff --git a/compact_pm_ovd.py b/compact_pm_ovd.py
new file mode 100755
index 0000000..5024d61
--- /dev/null
+++ b/compact_pm_ovd.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+
+from os.path import splitext, basename, dirname
+from optparse import OptionParser
+
+def decode(name):
+    params = {}
+    parts = name.split('_')
+    for p in parts:
+        kv = p.split('=')
+        k = kv[0]
+        v = kv[1] if len(kv) > 1 else None
+        params[k] = v
+    return params
+
+
+def build_name(dirname, conf, wss_list):
+    if dirname == '':
+        dirname = '.'
+    outname = dirname + '/'
+    if 'hard' in conf:
+        outname += 'hard'
+    else:
+        outname += 'soft'
+    outname += '_pm_plugin=' + conf['plugin'] + '_dist=' + conf['dist']
+    # atm we use only uniform for PM (we also use only light, but...)
+    if 'light' in conf:
+        outname += '_light'
+    elif 'medium' in conf:
+        outname += '_medium'
+    elif 'heavy' in conf:
+        outname += '_heavy'
+
+    outname += '_wss='
+    for wss in wss_list:
+        if wss != wss_list[len(wss_list) - 1]:
+            outname += str(wss) + ','
+        else:
+            outname += str(wss)
+    outname += '_ovd=' + conf['ovd'] + '.csv'
+    return outname
+
+
+class WSSCompactor():
+    def __init__(self):
+        self.ovhead_table = {}
+        self.wss_list = []
+
+    def add_wss(self, wss):
+        self.wss_list.append(int(wss))
+
+    def read_csv(self, datafile):
+        csvf = open(datafile, 'r')
+        # csvf format is: tss, max, avg
+        for line in csvf:
+            tmp = line.split(', ')
+            if tmp[0] in self.ovhead_table.keys():
+                self.ovhead_table[tmp[0]] += [tmp[1], tmp[2].rstrip('\n')]
+            else:
+                self.ovhead_table[tmp[0]] = [tmp[1], tmp[2].rstrip('\n')]
+        csvf.close()
+
+    def write_csv(self, dirname, conf):
+        self.wss_list.sort()
+        outname = build_name(dirname, conf, self.wss_list)
+        csvf = open(outname, 'w')
+        csvf.write('# preemption and migration overhead for ' + \
+                conf['plugin'] + '\n')
+
+        wstr = '# tssize, '
+        for wss in self.wss_list:
+            wstr += 'wss=' + str(wss) + ':(max, avg), '
+        csvf.write(wstr[0:-2] + '\n')
+
+        tkeys = self.ovhead_table.keys()
+        for i in range(0,len(tkeys)):
+            tkeys[i] = int(tkeys[i])
+        tkeys.sort()
+
+        for key in tkeys:
+            wstr = str(key) + ', '
+            for value in self.ovhead_table[str(key)]:
+                wstr += value + ', '
+            wstr = wstr[0:-2]
+            csvf.write(wstr + '\n')
+
+        csvf.close()
+
+def main(args):
+    wsscmpctr = WSSCompactor()
+    for datafile in args:
+        bname = basename(datafile)
+        fname, ext = splitext(bname)
+        if ext != '.csv':
+            self.err("Warning: '%s' doesn't look like a CSV file."
+                     % bname)
+        conf = decode(fname)
+        wsscmpctr.add_wss(conf['wss'])
+        wsscmpctr.read_csv(datafile)
+
+    # assume all files in same directory and same kind of overheads
+    wsscmpctr.write_csv(dirname(datafile), conf)
+
+if __name__ == "__main__":
+    usage = "Usage: %prog list-of-file"
+    parser = OptionParser(usage=usage)
+    (options, args) = parser.parse_args()
+    if len(args) < 1:
+        parser.error("Argument missing")
+        sys.exit(-1)
+    main(args)