From: Andi Kleen <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
---
diff-res | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100755 diff-res
diff --git a/diff-res b/diff-res
new file mode 100755
index 0000000..90d57be
--- /dev/null
+++ b/diff-res
@@ -0,0 +1,26 @@
+#!/usr/bin/python
+# compare two make perf output file
+# this should be the results only without any header
+import argparse
+import math, operator
+from collections import OrderedDict
+
+ap = argparse.ArgumentParser()
+ap.add_argument('file1', type=argparse.FileType('r'))
+ap.add_argument('file2', type=argparse.FileType('r'))
+args = ap.parse_args()
+
+cmp = (OrderedDict(), OrderedDict())
+for f, k in zip((args.file1, args.file2), cmp):
+ for j in f:
+ num = j[59:63]
+ name = j[:59]
+ k[name] = float(num)
+
+for j in cmp[0].keys():
+ print j, cmp[1][j] - cmp[0][j]
+
+def geomean(l):
+ return math.pow(reduce(operator.mul, filter(lambda x: x != 0.0, l)), 1.0 /
len(l))
+
+print "geomean %.2f -> %.2f" % (geomean(cmp[0].values()),
geomean(cmp[1].values()))
--
2.0.1
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