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ftrace: bugfix start marker injection

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The start marker must be inserted when tracing has been already enabled.

Signed-off-by: Patrick Bellasi <patrick.bellasi@arm.com>
This commit is contained in:
Patrick Bellasi
2016-01-27 17:14:46 +00:00
parent 615f1ce5e8
commit a8dfd2e744
1 changed files with 1 additions and 1 deletions
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devlib/trace/ftrace.py
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@@ -125,9 +125,9 @@ class FtraceCollector(TraceCollector):
self.start_time = time.time()
if self._reset_needed:
self.reset()
self.target.execute('{} start {}'.format(self.target_binary, self.event_string), as_root=True)
if self.automark:
self.mark_start()
self.target.execute('{} start {}'.format(self.target_binary, self.event_string), as_root=True)
if 'cpufreq' in self.target.modules:
self.logger.debug('Trace CPUFreq frequencies')
self.target.cpufreq.trace_frequencies()