Add clean_strace.sh to cleanup 'strace -f' output

* update README

Author: canepan

README.md

@@ -35,3 +35,10 @@ Currently supports (Mac only):
 ## sservice
 Script meant to start/stop a service managed by Keepalived, by getting the latest config from git and backing up the current config before overwriting.  
 It (will) support primary/secondary handling
+
+## clean_*
+Various scripts to cleanup output of commands or logs.  
+Use it as a filter in a pipe, like:
+```
+strace -f -p 666 | clean_strace.sh
+```

shell/bin/clean_strace.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+grep -v -e 'mprotect resumed' -e 'rt_sigaction resumed' -e 'wait resumed' -e mmap -e rt_sigaction -e mprotect -e munmap