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58 4) Realtime & Tuning |
58 4) Realtime & Tuning |
59 ==================== |
59 ==================== |
60 |
60 |
61 Realtime patches for the Linux kernel are supported, but not required. The |
61 Realtime patches for the Linux kernel are supported, but not required. The |
62 realtime processing has to be done by the calling module (see API |
62 realtime processing has to be done by the calling module (see API |
63 documentation). The EtherCAT master code itself is (except for the free-run |
63 documentation). The EtherCAT master code itself is completely passive (except |
64 mode) completely passive. |
64 for the idle mode). |
65 |
65 |
66 To avoid frame timeouts, deactivating DMA access for hard drives is |
66 To avoid frame timeouts, deactivating DMA access for hard drives is |
67 recommented (hdparm -d0 <DEV>). |
67 recommented (hdparm -d0 <DEV>). |
68 |
68 |
69 ------------------------------------------------------------------------------- |
69 ------------------------------------------------------------------------------- |