1 files changed, 59 insertions, 0 deletions
diff --git a/tools/xentrace/xentrace_cpusplit b/tools/xentrace/xentrace_cpusplit
new file mode 100644
index 0000000000..9847b79b38
--- /dev/null
+++ b/tools/xentrace/xentrace_cpusplit
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+
+# by Mark Williamson, (C) 2004 Intel Research Cambridge
+
+# Program for separating trace buffer data into per-cpu log files.
+
+import re, sys, signal
+
+def usage():
+    print >> sys.stderr, \
+          "Usage: " + sys.argv[0] + """ base-name
+          Separates ASCII trace buffer data on stdin into per-CPU trace
+          files.  The trace files are named by appending the CPU number
+          to the base name supplied on the command line.
+
+          Depending on your system and the volume of trace buffer data,
+          this script may not be able to keep up with the output of xentrace
+          if it is piped directly.  In these circumstances you should have
+          xentrace output to a file for processing off-line.
+          """
+    sys.exit(1)
+    
+def sighand(x,y):
+    global interrupted
+    interrupted = 1
+
+signal.signal(signal.SIGTERM, sighand)
+signal.signal(signal.SIGHUP,  sighand)
+signal.signal(signal.SIGINT,  sighand)
+
+r = re.compile("(\d) .*")
+
+if len(sys.argv) < 2:
+    usage()
+else:
+    base_name = sys.argv[1]
+
+files = {}
+interrupted = 0
+
+while not interrupted:
+    try:
+        line = sys.stdin.readline()
+        if not line: break
+        
+        m = r.match(line)
+
+        if not m: print >> sys.stderr, "Invalid input line."
+        
+        cpu = m.group(1)
+        
+        if not files.has_key(base_name + str(cpu)):
+            files[base_name + str(cpu)] = open(base_name + str(cpu), "w")
+            
+        print >> files[base_name + str(cpu)], line,
+
+    except IOError: sys.exit()
+
+# files closed automatically