From 1874b317e188005bdd17809144476da2e81a1ec6 Mon Sep 17 00:00:00 2001 From: Enji Cooper Date: Fri, 27 May 2016 21:12:25 +0000 Subject: [PATCH] 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 --- tools/tools/ioat/ioatcontrol.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/tools/tools/ioat/ioatcontrol.c b/tools/tools/ioat/ioatcontrol.c index 32890f8d0b2d..855621743e38 100644 --- a/tools/tools/ioat/ioatcontrol.c +++ b/tools/tools/ioat/ioatcontrol.c @@ -49,14 +49,19 @@ static void usage(void) { - printf("Usage: %s [-E|-f|-m] OPTIONS [ " + printf("Usage: %s [-c period] [-EfmVz] channel-number num-txns [ " "[ [duration]]]\n", getprogname()); - printf(" %s -r [-v] OPTIONS []\n\n", + printf(" %s -r [-c period] [-vVwz] channel-number address []\n\n", getprogname()); - printf(" OPTIONS:\n"); - printf(" -c - 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 -
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); }