add tracefs mount point select function #471
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alessandrod
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alessandrod
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This PR would to improve the access to
tracefs.This is implemented with a single check to determine if the
tracefsis mounted or not. It checks in two known locations, in order of priority:/sys/kernel/tracing/sys/kernel/debug/tracingMost of the systems have both
tracefsanddebugfsmounted, but in some hardened systems the kernel is compiled withoutdebugfsor simply not mounted. Android documentation for example has a warning for debugfs in user builds.