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nvme/perf: Add missing key (ns) of Transport ID in perf help

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NVMe namespace ID (i.e., ns) is a key of Transport ID, which is
supported by perf, but it's missed in the help. In addtion, a
note is added to specify multiple '-r' parameters can be used
to test multiple disks/targets.

Signed-off-by: Allen Zhu <allenz@mellanox.com>
Change-Id: Icf55e6213a63d97396bdc7022e4c0d09c67aab9a
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6141
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Allen Zhu 2021-01-21 08:38:55 +02:00 committed by Tomasz Zawadzki
parent c0a3cf7b88
commit 306ad7ff17
1 changed files with 2 additions and 0 deletions
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2
examples/nvme/perf/perf.c
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@ -1564,9 +1564,11 @@ static void usage(char *program_name)
printf("\t traddr Transport address (e.g. 0000:04:00.0 for PCIe or 192.168.100.8 for RDMA)\n");
printf("\t trsvcid Transport service identifier (e.g. 4420)\n");
printf("\t subnqn Subsystem NQN (default: %s)\n", SPDK_NVMF_DISCOVERY_NQN);
printf("\t ns NVMe namespace ID (all active namespaces are used by default)\n");
printf("\t hostnqn Host NQN\n");
printf("\t Example: -r 'trtype:PCIe traddr:0000:04:00.0' for PCIe or\n");
printf("\t -r 'trtype:RDMA adrfam:IPv4 traddr:192.168.100.8 trsvcid:4420' for NVMeoF\n");
printf("\t Note: can be specified multiple times to test multiple disks/targets.\n");
printf("\t[-e metadata configuration]\n");
printf("\t Keys:\n");
printf("\t PRACT Protection Information Action bit (PRACT=1 or PRACT=0)\n");