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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2010-05-16 19:40:56 -0300
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>2010-05-16 19:40:56 -0300
commitb65b34895437915f411882dd40d704eb0863ffb0 (patch)
tree3e9302ab09c9a9068fd8fd80708ef3a35b55e665 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
parent88cc83772a3c7756b9f2b4ba835545ad90a08409 (diff)
parentb57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff)
Merge mainline (v2.6.34-rc7)
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