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ftrace: chmod trace.dat to make world-readable

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On some targets, umask is set such that the generated trace.dat is not
world-readable by default. This means it cannot be pulled from target.
This commit is contained in:
Sergei Trofimov
2017-05-12 09:01:45 +01:00
parent 7e80a381d8
commit 61b13383a4
1 changed files with 2 additions and 1 deletions
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3
devlib/trace/ftrace.py
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@@ -203,7 +203,8 @@ class FtraceCollector(TraceCollector):
def get_trace(self, outfile):
if os.path.isdir(outfile):
outfile = os.path.join(outfile, os.path.basename(self.target_output_file))
self.target.execute('{} extract -o {}'.format(self.target_binary, self.target_output_file),
self.target.execute('{0} extract -o {1}; chmod 666 {1}'.format(self.target_binary,
self.target_output_file),
timeout=TIMEOUT, as_root=True)
# The size of trace.dat will depend on how long trace-cmd was running.