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Some components may not have graph connections for describing the trace path. e.g., ETE, where it could directly use the per CPU TRBE. Ignore the absence of graph connections Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Link: https://lore.kernel.org/r/20230710062500.45147-6-anshuman.khandual@arm.com