systrace: add --bus-utilization option
Change-Id: I33b09e49bfdb0413c710a77e37847b7b96e82259
diff --git a/systrace.py b/systrace.py
index 9dc37e7..ddc6d3e 100755
--- a/systrace.py
+++ b/systrace.py
@@ -54,6 +54,9 @@
action='store_false', help='inhibit tracing CPU ' +
'scheduler (allows longer trace times by reducing data ' +
'rate into buffer)')
+ parser.add_option('-u', '--bus-utilization', dest='trace_bus_utilization',
+ default=False, action='store_true',
+ help='trace bus utilization (requires root)')
parser.add_option('-w', '--workqueue', dest='trace_workqueue', default=False,
action='store_true', help='trace the kernel workqueues ' +
'(requires root)')
@@ -104,6 +107,8 @@
atrace_args.append('-l')
if options.trace_cpu_sched:
atrace_args.append('-s')
+ if options.trace_bus_utilization:
+ atrace_args.append('-u')
if options.trace_workqueue:
atrace_args.append('-w')
if options.trace_time is not None:
