[dpdk-dev] [PATCH v3 0/8] eal: cleanup resources on shutdown

[David Marchand]

On Wed, Apr 29, 2020 at 1:58 AM Stephen Hemminger
<stephen at networkplumber.org> wrote:
>
> Started using valgrind with DPDK, and there are lots of leftover
> memory and file descriptors. This makes it hard to find application
> leaks versus DPDK leaks.
>
> The DPDK has a function that applications can use to tell it
> to cleanup resources on shutdown (rte_eal_cleanup). But the
> current coverage of that API is spotty. Many internal parts of
> DPDK leave files and allocated memory behind.
>
> This patch set is a first step at getting the sub-parts of
> DPDK to cleanup after themselves. These are the easier ones,
> the harder and more critical ones are in the drivers
> and the memory subsystem.
>
> There are no new exposed API or ABI changes here.
>
> v3
>  - fix a couple of minor checkpatch complaints
>
> v2
>  - rebase after 20.05 file renames
>  - incorporate review comment feedback
>  - hold off some of the more involved patches for later

Same segfault as v1.

$ ./devtools/test-null.sh ./build/app/dpdk-testpmd 0x3 --plop
./build/app/dpdk-testpmd: unrecognized option '--plop'
EAL: Detected 8 lcore(s)
EAL: Detected 1 NUMA nodes

Usage: ./build/app/dpdk-testpmd [options]

(snip)

EAL: FATAL: Invalid 'command line' arguments.
EAL: Invalid 'command line' arguments.
EAL: Error - exiting with code: 1
  Cause: Cannot init EAL: Invalid argument
./devtools/test-null.sh: line 32: 23134 Broken pipe             (
sleep 1 && echo stop )
     23135 Segmentation fault      (core dumped) | $testpmd -c
$coremask --no-huge -m 20 $libs -w 0:0.0 --vdev net_null1 --vdev
net_null2 $eal_options -- --no-mlockall --total-num-mbufs=2048
$testpmd_options -ia


-- 
David Marchand