Update usage(..)
- Document missing options - Sync options with ioatcontrol(8). - Make it clear that the first 2 parameters are always required. MFC after: 1 week Sponsored by: EMC / Isilon Storage Division
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=300874
@ -49,14 +49,19 @@ static void
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usage(void)
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{
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printf("Usage: %s [-E|-f|-m] OPTIONS <channel #> <txns> [<bufsize> "
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printf("Usage: %s [-c period] [-EfmVz] channel-number num-txns [<bufsize> "
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"[<chain-len> [duration]]]\n", getprogname());
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printf(" %s -r [-v] OPTIONS <channel #> <addr> [<bufsize>]\n\n",
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printf(" %s -r [-c period] [-vVwz] channel-number address [<bufsize>]\n\n",
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getprogname());
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printf(" OPTIONS:\n");
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printf(" -c <period> - Enable interrupt coalescing (us)\n");
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printf(" -V - Enable verification\n");
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printf(" -z - Zero device stats before test\n");
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printf(" -c period - Enable interrupt coalescing (us) (default: 0)\n");
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printf(" -E - Test non-contiguous 8k copy.\n");
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printf(" -f - Test block fill (default: DMA copy).\n");
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printf(" -m - Test memcpy instead of DMA.\n");
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printf(" -r - Issue DMA to or from a specific address.\n");
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printf(" -V - Enable verification\n");
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printf(" -v - <address> is a kernel virtual address\n");
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printf(" -w - Write to the specified address\n");
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printf(" -z - Zero device stats before test\n");
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exit(EX_USAGE);
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}
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