Add postprocessing hist tool

garlic/postprocess/hist/hist.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# Use it either reading from stdin or by specifing
+# multiple files as arguments
+
+# xeon07$ hist stdout.log
+# x <stdin>
+# +------------------------------------------------------------------------+
+# |         x                                                              |
+# |         x                                                              |
+# |         x                                                              |
+# |         x                                                              |
+# |         x                                                              |
+# |        xxx                                                             |
+# |        xxx                                                             |
+# |       xxxxx                                                            |
+# |       xxxxxx                                                           |
+# |       xxxxxxx                                                         x|
+# ||________M_A___________|                                                |
+# +------------------------------------------------------------------------+
+#     N           Min           Max        Median           Avg        Stddev
+# x  30      3.585183      3.763913      3.591559     3.5973344   0.031719975
+
+ministat=@ministat@/bin
+
+export PATH="$PATH:$ministat"
+
+files="$@"
+if [ -z "$files" ]; then
+	files=/proc/self/fd/0
+fi
+
+for file in "$files"; do
+        awk '/^time /{print $2}' $file | \
+        	ministat -w72
+done