Date: Fri, 27 May 2016 21:12:25 +0000 (UTC) From: Garrett Cooper <ngie@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r300874 - head/tools/tools/ioat Message-ID: <201605272112.u4RLCPQ8058044@repo.freebsd.org>
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Author: ngie Date: Fri May 27 21:12:25 2016 New Revision: 300874 URL: https://svnweb.freebsd.org/changeset/base/300874 Log: 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 Modified: head/tools/tools/ioat/ioatcontrol.c Modified: head/tools/tools/ioat/ioatcontrol.c ============================================================================== --- head/tools/tools/ioat/ioatcontrol.c Fri May 27 20:45:32 2016 (r300873) +++ head/tools/tools/ioat/ioatcontrol.c Fri May 27 21:12:25 2016 (r300874) @@ -49,14 +49,19 @@ static void usage(void) { - printf("Usage: %s [-E|-f|-m] OPTIONS <channel #> <txns> [<bufsize> " + printf("Usage: %s [-c period] [-EfmVz] channel-number num-txns [<bufsize> " "[<chain-len> [duration]]]\n", getprogname()); - printf(" %s -r [-v] OPTIONS <channel #> <addr> [<bufsize>]\n\n", + printf(" %s -r [-c period] [-vVwz] channel-number address [<bufsize>]\n\n", getprogname()); - printf(" OPTIONS:\n"); - printf(" -c <period> - Enable interrupt coalescing (us)\n"); - printf(" -V - Enable verification\n"); - printf(" -z - Zero device stats before test\n"); + printf(" -c period - Enable interrupt coalescing (us) (default: 0)\n"); + printf(" -E - Test non-contiguous 8k copy.\n"); + printf(" -f - Test block fill (default: DMA copy).\n"); + printf(" -m - Test memcpy instead of DMA.\n"); + printf(" -r - Issue DMA to or from a specific address.\n"); + printf(" -V - Enable verification\n"); + printf(" -v - <address> is a kernel virtual address\n"); + printf(" -w - Write to the specified address\n"); + printf(" -z - Zero device stats before test\n"); exit(EX_USAGE); }
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