Hi All,
We are using VPP as our x86 based forwarder. For our use case, we have extended
VPP by adding our own specific nodes including process nodes.
The startup.conf as shown below:
unix {
nodaemon
log /var/log/vpp/vpp.log
full-coredump
cli-listen localhost:5003
runtime-dir /shm/run/vpp/
}
api-trace {
on
}
cpu {
main-core 2
workers 2
}
heapsize 500M
ip {
heap-size 32M
}
ip6 {
heap-size 20M
hash-buckets 131072
}
statseg {
size 150M
}
plugins {
plugin dpdk_plugin.so { disable }
}
We would like to run valgrind/callgrind for profiling the non-vpp portions of
code running in the same process.
When we start vpp with valgrind, we are seeing the below issue:
unix_config:492: couldn't open log '/var/log/vpp/vpp.log'
/usr/local/bin/vpp[1741]: clib_elf_parse_file: open `/usr/local/bin/vpp': No
such file or directory
/usr/local/bin/vpp[1741]: clib_sysfs_prealloc_hugepages:261: pre-allocating 19
additional 2048K hugepages on numa node 0
/usr/local/bin/vpp[1741]: buffer: vlib_physmem_shared_map_create:
pmalloc_map_pages: failed to mmap 19 pages at 0x0 fd 15 numa 0 flags 0x11:
Operation not permitted
/usr/local/bin/vpp[1741]: buffer: falling back to non-hugepage backed buffer
pool
==1741== Warning: unimplemented fcntl command: 1033
/usr/local/bin/vpp[1741]: vlib_physmem_shared_map_create: clib_mem_create_fd:
fcntl (F_ADD_SEALS): Invalid argument
/usr/local/bin/vpp[1741]: vlib_buffer_main_init: failed to allocate buffer
pool(s)
2021-05-06T16:46:01.987175+0000 loop_poll.c:368 [trace] grown poll array to 10
for FD 6
Is there any specific options or anything that needs to be tweaked in the
startup conf file to run valgrind/callgrind successfully ?
To reiterate we would just like valgrind/callgrind for profiling the non-VPP
portions, but of course VPP needs to run first as it is the top of our event
loop.
Thanks,
Bhishma
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