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Date: Fri, 17 Apr 2020 08:25:14 +0000
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Subject: [spp] [Bug 443] spp primary takes up the complete hugepages
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https://bugs.dpdk.org/show_bug.cgi?id=3D443

--- Comment #6 from Hideyuki Yamashita (yamashita.hideyuki@ntt-tx.co.jp) ---
Hello Vipin,

Thanks for your response.
Unfortunately I could not observe the issue using DPDK19.11+SPP19.11.

[Hugepage usage]
Before primary process invoke=20
$ cat /proc/meminfo | grep -i HugePages
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
HugePages_Total:      16
HugePages_Free:       16
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:    1048576 kB

During primary process invoke
$ cat /proc/meminfo | grep -i HugePages
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
HugePages_Total:      16
HugePages_Free:       14
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:    1048576 kB

It looks that only 2 pages are used per primary invokation.

[SPP primary startup parameters]
sudo ./src/primary/x86_64-native-linuxapp-gcc/spp_primary \
-l 1 \
-n 4 \
--socket-mem 512,512 \
--huge-dir /mnt/huge1G \
--proc-type primary \
-- \
-p 0x03 \
-n 10 \
-s 127.0.0.1:5555

[How to reserve hugepages]
/etc/default/grub
GRUB_CMDLINE_LINUX=3D"DEBCONF_DEBUG=3D5 ksdevice=3Dbootif default_hugepages=
z=3D1G
hugepagesz=3D1G hugepages=3D16"


hugepages mount directory
 /mnt/huge_1GB

sudo mount |grep huge
nodev on /mnt/huge1G type hugetlbfs (rw,relatime,pagesize=3D1024M)

Thanks,
Hideyuki

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