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authorIngo Molnar <[email protected]>2010-03-01 09:28:53 +0100
committerIngo Molnar <[email protected]>2010-03-01 09:28:58 +0100
commite2f4699ac15fe36de1288505bc6e6e5a8603ab1b (patch)
tree8078d3ff21eaa0a0ed6e446ac94f3681e831cad1 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
parent1883c79a57a5fe25309007590cccb1b2782c41b2 (diff)
parent30ff056c42c665b9ea535d8515890857ae382540 (diff)
Merge branch 'linus' into core/rcu
Merge reason: Backmerge latest upstream to queue up dependent fix in the scheduler. Signed-off-by: Ingo Molnar <[email protected]>
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 000000000000..83e91435ed09
--- /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 <[email protected]>
+#
+# 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