| 摘要 |
A data processing apparatus is disclosed, said data processing apparatus comprising a plurality of devices, trace logic associated with at least one of said plurality of devices, and tagging logic associated with at least one of said plurality of devices, said tagging logic being operable to: select at least one item, said at least one item comprising an activity to be monitored; provide said at least one selected item with tag data identifying said at least one item as an item to be monitored; and said trace logic being operable to: detect tagged items processed by said at least one device; and output trace information relating to at least some of said detected tagged items.
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