diff --git a/devlib/collector/ftrace.py b/devlib/collector/ftrace.py index e3c29bbb8..1a0f742b1 100644 --- a/devlib/collector/ftrace.py +++ b/devlib/collector/ftrace.py @@ -74,6 +74,7 @@ def __init__(self, target, trace_clock='local', saved_cmdlines_nr=4096, trace_cmd_mode='start', + record_interval=1000, ): super(FtraceCollector, self).__init__(target) self.events = events if events is not None else DEFAULT_EVENTS @@ -98,6 +99,7 @@ def __init__(self, target, self.function_string = None self.trace_clock = trace_clock self.saved_cmdlines_nr = saved_cmdlines_nr + self.record_interval = record_interval self._reset_needed = True self.bg_cmd = None self.tmp_working_directory = self.target.execute("{} mktemp -p {} -d".format( @@ -292,9 +294,10 @@ async def start(self): ) if self.trace_cmd_mode == 'record': - trace_cmd = "cd {} && {command} {output}".format( + trace_cmd = "cd {} && {command} {interval} {output}".format( self.tmp_working_directory, command=trace_cmd, + interval="-s {}".format(self.record_interval), output="-o {}".format(self.target_output_file) ) if self.bg_cmd is None: