tracing: Do not stop recording comms if the trace file is being read
A while ago, when the "trace" file was opened, tracing was stopped, and code was added to stop recording the comms to saved_cmdlines, for mapping of the pids to the task name. Code has been added that only records the comm if a trace event occurred, and there's no reason to not trace it if the trace file is opened. Cc: stable@vger.kernel.org Fixes: 7ffbd48d ("tracing: Cache comms only after an event occurred") Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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