Add proper per-file copyright notices/licenses and top-level license.

[bluesky.git] / nfs3 / parse-synread.py

diff --git a/nfs3/parse-synread.py b/nfs3/parse-synread.py
index be718b8..1f07ca2 100755 (executable)
--- a/nfs3/parse-synread.py
+++ b/nfs3/parse-synread.py
@@ -1,4 +1,31 @@
 #!/usr/bin/python
+#
+# Copyright (C) 2011  The Regents of the University of California
+# Written by Michael Vrable <mvrable@cs.ucsd.edu>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
 
 import struct, sys
 
@@ -15,19 +42,22 @@ def load_log(f):
     return data
 
 if __name__ == '__main__':
+    blocksize = int(sys.argv[1])
     data = []
-    for f in sys.argv[1:]:
+    for f in sys.argv[2:]:
         data += load_log(open(f))
     data.sort()
 
     duration = data[-1][0] - data[0][0]
-    print "Time span: %d to %d (%d seconds)" % (data[0][0], data[-1][0], duration)
+    #print "Time span: %d to %d (%d seconds)" % (data[0][0], data[-1][0], duration)
 
     start = data[0][0] + 5
     end = data[-1][0] - 5
     truncated = [d for d in data if start <= d[0] <= end]
-    print len(data), len(truncated)
+    #print len(data), len(truncated)
     duration = float(end - start + 1)
-    print duration
-    print "Ops per second:", len(truncated) / duration
-    print "Bandwidth:", len(truncated) / duration * 32768
+    #print duration
+    #print "# ops/sec\tbandwidth (MB/s)\tLatency(ms)"
+    print "%s\t%s\t%s" % (len(truncated) / duration,
+                          len(truncated) / duration * blocksize / 1024.0**2,
+                          sum(d[1] for d in truncated) / len(truncated) / 1000)