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authorTony Lindgren <tony@atomide.com>2010-03-01 14:19:05 -0800
committerTony Lindgren <tony@atomide.com>2010-03-01 14:19:05 -0800
commitd702d12167a2c05a346f49aac7a311d597762495 (patch)
treebaae42c299cce34d6df24b5d01f8b1d0b481bd9a /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
parent9418c65f9bd861d0f7e39aab9cfb3aa6f2275d11 (diff)
parentac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (diff)
Merge with mainline to remove plat-omap/Kconfig conflict
Conflicts: arch/arm/plat-omap/Kconfig
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py')
-rw-r--r--tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
new file mode 100644
index 00000000000..83e91435ed0
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
@@ -0,0 +1,25 @@
+# Util.py - Python extension for perf trace, miscellaneous utility code
+#
+# Copyright (C) 2010 by Tom Zanussi <tzanussi@gmail.com>
+#
+# This software may be distributed under the terms of the GNU General
+# Public License ("GPL") version 2 as published by the Free Software
+# Foundation.
+
+NSECS_PER_SEC = 1000000000
+
+def avg(total, n):
+ return total / n
+
+def nsecs(secs, nsecs):
+ return secs * NSECS_PER_SEC + nsecs
+
+def nsecs_secs(nsecs):
+ return nsecs / NSECS_PER_SEC
+
+def nsecs_nsecs(nsecs):
+ return nsecs % NSECS_PER_SEC
+
+def nsecs_str(nsecs):
+ str = "%5u.%09u" % (nsecs_secs(nsecs), nsecs_nsecs(nsecs)),
+ return str