Dell N3200-ON Open Networking Hardware Diagnostic Guide July 2022 - Page 46

nputool, Read output, Write output, Constraints, Data flow, Tests, CLI options

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Data Walking 1's Test Passed Data Walking 0's Test Passed Data Sliding 1's Test Passed Data Sliding 0's Test Passed Data Pattern Test Passed Memory: Overall test results PASSED root@dellemc-diag-os:~# root@dellemc-diag-os:~# root@dellemc-diag-os:~# memtool --read --addr=200 [00000200]: 0x00 || . Read output root@dell-diag-os:~# memtool --read --addr=200 [00000200]: 0x00 || . Write output root@dell-diag-os:~# memtool --write --addr=200 --val=0x50 Constraints You cannot perform memory tests while other tests that allocate and use memory within the region are performing. However, you can perform the Read tests concurrently with other processes. You cannot run multiple memory tests at the same time as they may collide within the memory spaces. Memory tests cannot test all the memory, and without cache flushes, memory tests may not get out of the caches. The SDI must ensure the memory accessed is accessing the physical memory. This check slows down the tests. Data flow The memtool is not part of the data path and does not participate in the data flow. nputool The nputool allows for configuring and testing the switch ASICs. The nputool tests the NPU in the system. The nputool verifies that ports are up and traffic between the ports is working either using the CPU-generated packet or using IXIA connected to port-1 and port-2 based on the configuration. Tests Tests are shown in the following sections. CLI options The nputool shows the available options with the nputool -h or nputool command. DellEmc Diag ---- NPU Tool version 1.0, x.xx.x.x-x build, 2017/05/23, Syntax: nputool -h, --help -i, --init := Show this help := Initialize NPU chip 46 Dell DIAG-OS tools

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Data Walking 1's Test
.....................................
Passed
Data Walking 0's Test
.....................................
Passed
Data Sliding 1's Test
.....................................
Passed
Data Sliding 0's Test
.....................................
Passed
Data Pattern Test
.........................................
Passed
Memory: Overall test results------------------ >>>> PASSED
root@dellemc-diag-os:~#
root@dellemc-diag-os:~#
root@dellemc-diag-os:~# memtool --read --addr=200
[00000200]: 0x00
|| .
Read output
root@dell-diag-os:~# memtool --read --addr=200
[00000200]: 0x00
|| .
Write output
root@dell-diag-os:~# memtool --write --addr=200 --val=0x50
Constraints
You cannot perform memory tests while other tests that allocate and use memory within the region are performing. However,
you can perform the Read tests concurrently with other processes. You cannot run multiple memory tests at the same time as
they may collide within the memory spaces.
Memory tests cannot test all the memory, and without cache flushes, memory tests may not get out of the caches. The SDI
must ensure the memory accessed is accessing the physical memory. This check slows down the tests.
Data flow
The
memtool
is not part of the data path and does not participate in the data flow.
nputool
The
nputool
allows for configuring and testing the switch ASICs.
The
nputool
tests the NPU in the system. The
nputool
verifies that ports are up and traffic between the ports is working
either using the CPU-generated packet or using IXIA connected to port-1 and port-2 based on the configuration.
Tests
Tests are shown in the following sections.
CLI options
The
nputool
shows the available options with the
nputool -h
or
nputool
command.
DellEmc Diag ---- NPU Tool
version 1.0, x.xx.x.x-x
build, 2017/05/23,
Syntax: nputool
-h, --help
:= Show this help
-i, --init
:= Initialize NPU chip
46
Dell DIAG-OS tools