[dpdk-dev] [Bug 666] [dpdk-21.05] unit_test_eal/test_kvargs: dpdk-20.11.0 use dpdk-21.05 lib to run kvargs_autotest failed.

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=666

            Bug ID: 666
           Summary: [dpdk-21.05] unit_test_eal/test_kvargs: dpdk-20.11.0
                    use dpdk-21.05 lib to run kvargs_autotest failed.
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: testpmd
          Assignee: dev at dpdk.org
          Reporter: weix.ling at intel.com
  Target Milestone: ---

DPDK version: 
21.05.0-rc0:e2b8dc5256c0c6d567c136401de67d3249b9086b
Other software versions: N/A.
OS: CentOS Linux 8/Linux 4.18.0-240.1.1.el8_3.x86_64
Compiler: gcc version 8.3.1 20191121 (Red Hat 8.3.1-5) (GCC)
Hardware platform: Intel(R) Xeon(R) Platinum 8180 CPU @ 2.50GHz
NIC hardware: Ethernet Controller XL710 for 40GbE QSFP+ 1583
NIC firmware: 7.20 0x80007948 1.2585.0
NIC driver: i40e-2.14.13


Test Setup

1.Build dpdk-21.05.0-rc0
rm -fr dpdk
tar -xf dpdk.tar.gz
mv dpdk dpdk_lib
cd dpdk_lib
sed -i '$a\#define RTE_BUILD_SHARED_LIB 1' config/rte_config.h
rm -rf x86_64-native-linuxapp-gcc
CC=gcc meson -Denable_kmods=True -Dlibdir=lib  --default-library=shared
x86_64-native-linuxapp-gcc
ninja -C x86_64-native-linuxapp-gcc
rm -rf /root/tmp/dpdk_share_lib
DESTDIR=/root/tmp/dpdk_share_lib ninja -C x86_64-native-linuxapp-gcc -j 110
install
rm -rf /root/shared_lib_dpdk
mv /root/tmp/dpdk_share_lib/usr/local/lib /root/shared_lib_dpdk
export LD_LIBRARY_PATH=.*#export LD_LIBRARY_PATH=/root/shared_lib_dpdk

2.Build dpdk-20.11.0
rm -fr dpdk
tar -xf dpdk.tar.gz
cd dpdk
rm -rf x86_64-native-linuxapp-gcc
CC=gcc meson -Denable_kmods=True -Dlibdir=lib  --default-library=shared
x86_64-native-linuxapp-gcc
ninja -C x86_64-native-linuxapp-gcc
rm -rf x86_64-native-linuxapp-gcc/drivers
rm -rf x86_64-native-linuxapp-gcc/lib

3.Start testpmd in dpdk-20.11.0 and start unit test
x86_64-native-linuxapp-gcc/app/test/dpdk-test -l 1,2,3,4 -n 4  
--file-prefix=dpdk_26525_20210325103558   -d /root/shared_lib_dpdk
kvargs_autotest
quit

Show the output from the previous commands.
[root at localhost dpdk]# x86_64-native-linuxapp-gcc/app/test/dpdk-test -l 1,2,3,4
-n 4   --file-prefix=dpdk_26525_20210325103558   -d /root/shared_lib_dpdk
EAL: Detected 112 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Detected shared linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/dpdk_26525_20210325103558/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: No available 2048 kB hugepages reported
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL:   using IOMMU type 1 (Type 1)
EAL: Ignore mapping IO port bar(1)
EAL: Ignore mapping IO port bar(4)
EAL: Probe PCI driver: net_i40e (8086:1583) device: 0000:18:00.0 (socket 0)
EAL: Ignore mapping IO port bar(1)
EAL: Ignore mapping IO port bar(4)
EAL: Probe PCI driver: net_i40e (8086:1583) device: 0000:18:00.1 (socket 0)
EAL: No legacy callbacks, legacy socket not created
APP: HPET is not enabled, using TSC as default timer
RTE>>kvargs_autotest
== test valid case ==
== test invalid case ==
rte_kvargs_parse() returned 0 (but should not)
while processing <foo=1,foo=> using valid_keys=<foo,check>
Test Failed
RTE>>quit
[root at localhost dpdk]#


Expected Result:

[root at localhost dpdk]# x86_64-native-linuxapp-gcc/app/test/dpdk-test -l 1,2,3,4
-n 4   --file-prefix=dpdk_26525_20210325103558   -d /root/shared_lib_dpdk
EAL: Detected 112 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Detected shared linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/dpdk_26525_20210325103558/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: No available 2048 kB hugepages reported
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL:   using IOMMU type 1 (Type 1)
EAL: Ignore mapping IO port bar(1)
EAL: Ignore mapping IO port bar(4)
EAL: Probe PCI driver: net_i40e (8086:1583) device: 0000:18:00.0 (socket 0)
EAL: Ignore mapping IO port bar(1)
EAL: Ignore mapping IO port bar(4)
EAL: Probe PCI driver: net_i40e (8086:1583) device: 0000:18:00.1 (socket 0)
EAL: No legacy callbacks, legacy socket not created
APP: HPET is not enabled, using TSC as default timer
RTE>>kvargs_autotest
== test valid case ==
== test invalid case ==
Test OK
RTE>>quit


Regression
Is this issue a regression: (Y/N) Y

Version the regression was introduced: Specify git id if known.

Bad commit: 9be46b4308a5d5d458b7f60d448893cc65ebb5ae

commit 9be46b4308a5d5d458b7f60d448893cc65ebb5ae (HEAD)
Author: Xueming Li <xuemingl at nvidia.com>
Date: Thu Mar 11 13:13:28 2021 +0000

kvargs: support multiple lists

This patch updates kvargs parser to support value of multiple lists or
ranges:
k1=v[1,2]v[3-5]

Signed-off-by: Xueming Li <xuemingl at nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at nvidia.com>
Acked-by: Thomas Monjalon <thomas at monjalon.net>

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