Add a new server thread that can be configured to periodically output

statistics to a file.

1 files changed, 96 insertions, 0 deletions

diff --git a/tools/statlog.py b/tools/statlog.py
new file mode 100644
index 00000000000..c16a5d49be8
--- /dev/null
+++ b/tools/statlog.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python
+#
+# Public Domain 2008-2013 WiredTiger, Inc.
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+
+import fileinput, os, shutil, sys
+from collections import defaultdict
+from subprocess import call
+
+# Plot a set of entries for a title.
+def plot(title, entries, num):
+    # Ignore entries with identical values.
+    skip = 1
+    v = entries[0][1]
+    for entry in entries:
+        if v != entry[1]:
+            skip = 0
+            break
+    if skip == 1:
+        print '\tskipping ' + title
+        return
+
+    print 'building ' + title
+
+    # Write the raw data into a file for processing.
+    of = open("reports/report." + num + ".raw", "w")
+    for entry in entries:
+        of.write(" ".join(entry) + "\n")
+    of.close()
+
+    # Write a command file for gnuplot.
+    of = open("gnuplot.cmd", "w")
+    of.write("set terminal png nocrop\n")
+    of.write("set autoscale\n")
+    of.write("set grid\n")
+    of.write("set style data linespoints\n")
+    of.write("set title \"" + title + "\"\n")
+    of.write("set xlabel \"Time\"\n")
+    of.write("set xtics rotate by -45\n")
+    of.write("set xdata time\n")
+    of.write("set timefmt \"%b %d %H:%M:%S\"\n")
+    of.write("set format x \"%b %d %H:%M:%S\"\n")
+    of.write("set ylabel \"Value\"\n")
+    of.write("set yrange [0:]\n")
+    of.write("set output 'reports/report." + num + ".png'\n")
+    of.write("plot \"reports/report." + num + ".raw\" using 1:4 notitle\n")
+    of.close()
+
+    # Run gnuplot.
+    call(["gnuplot", "gnuplot.cmd"])
+
+    # Remove the command file.
+    os.remove("gnuplot.cmd")
+
+# Remove and re-create the reports folder.
+shutil.rmtree("reports", True)
+os.mkdir("reports")
+
+# Read the input into a dictionary of lists.
+ifile = sys.argv[1:]
+if ifile == []:
+    print "usage: rp file"
+    sys.exit(1)
+d = defaultdict(list)
+for line in fileinput.input(ifile):
+    s = line.strip('\n').split(" ", 4)
+    d[s[4]].append([" ".join([s[0], s[1], s[2]]), s[3]])
+
+# Plot each entry in the dictionary.
+rno = 0
+for entry in d.iteritems():
+    rno = rno + 1
+    plot(entry[0], entry[1], "%03d" % rno)