| 1 | <html> |
| 2 | <body> |
| 3 | <center><big><big>LTTV & LTTng new features<small><small></center> |
| 4 | <br> |
| 5 | <br> |
| 6 | <P> |
| 7 | One might ask what are the new features present in LTTng and LTTV that are not |
| 8 | in the LTT toolkit. Here are the major enhancements.<br> |
| 9 | <br> |
| 10 | Here is a list of the new features in LTTV :<br> |
| 11 | Modular architecture based on plugins.<br> |
| 12 | Reads from several traces. It supports SMP machines.<br> |
| 13 | Synchronized graphical views. Plugins can cooperate to show the trace |
| 14 | together.<br> |
| 15 | Supports event types with metainformation.<br> |
| 16 | Supports huge traces : 10-15 GB.<br> |
| 17 | <br> |
| 18 | <br> |
| 19 | Here are the new features in LTTng/genevent :<br> |
| 20 | Real ~100ns time accuracy, with monotonic increment.<br> |
| 21 | Implements the "facility" event type metainformation.<br> |
| 22 | Supports variable size event records.<br> |
| 23 | Supports nested compound types : structures, array, sequences, unions, strings.<br> |
| 24 | Supports compiler and architecture independant elementary types.<br> |
| 25 | Supports ISO C compatible dynamic alignment of data.<br> |
| 26 | Solid atomic (lockless) logging (NMI, traps, faults handler safe).<br> |
| 27 | Supports writing to multiple traces at once (eventually with different |
| 28 | filters).<br> |
| 29 | Uses separate RelayFS channels for interrupts, modules, process and facility |
| 30 | events.<br> |
| 31 | </body> |
| 32 | </html> |
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