Commit 2fc97838 authored by wanghailiangx's avatar wanghailiangx Committed by Tomasz Zawadzki
Browse files

doc/nvmf_tracing: replace ./perf -s with ./perf -o 



This -o parameter is required. I think -s 4096 is a very old version.
Now the definition is different.

Change-Id: I0e12fae51a2f092d0896c95e0c128754b430354e
Signed-off-by: default avatarwanghailiangx <hailiangx.e.wang@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10820


Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
parent 0ac16751

doc/nvmf_tracing.md

+2 −2
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ an example usage of perf to send I/Os to the NVMe-oF target over an RDMA network 
interface for 10 minutes.



~~~bash

./perf -q 128 -s 4096 -w randread -t 600 -r 'trtype:RDMA adrfam:IPv4 traddr:192.168.100.2 trsvcid:4420'

./perf -q 128 -o 4096 -w randread -t 600 -r 'trtype:RDMA adrfam:IPv4 traddr:192.168.100.2 trsvcid:4420'

~~~



The spdk_trace program can be found in the app/trace directory.  To analyze the tracepoints on the same
@@ -142,7 +142,7 @@ build/bin/spdk_trace_record -q -s nvmf -p 24147 -f /tmp/spdk_nvmf_record.trace 
Also send I/Os to the SPDK target application to generate events by previous perf example for 10 minutes.



~~~bash

./perf -q 128 -s 4096 -w randread -t 600 -r 'trtype:RDMA adrfam:IPv4 traddr:192.168.100.2 trsvcid:4420'

./perf -q 128 -o 4096 -w randread -t 600 -r 'trtype:RDMA adrfam:IPv4 traddr:192.168.100.2 trsvcid:4420'

~~~



After the completion of perf example, shut down spdk_trace_record by signal SIGINT (Ctrl + C).