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Date: Thu, 7 Sep 2023 19:58:35 +0000 (UTC)
From: Don Trotter <djtrotter@yahoo.com>
To: "users@dpdk.org" <users@dpdk.org>
Message-ID: <1630438817.5159600.1694116715543@mail.yahoo.com>
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References: <2101629309.5133186.1694112839948.ref@mail.yahoo.com>
<2101629309.5133186.1694112839948@mail.yahoo.com>
Subject: Re: EAL: eal_memalloc_alloc_seg_bulk(): couldn't find suitable
memseg_list
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Reply-To: Don Trotter <djtrotter@yahoo.com>
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------=_Part_5159599_2122322029.1694116715541
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To clarify, the log message when my application called=C2=A0rte_mempool_cr=
eate() to create the "node_pool", and the call succeeded.
Thanks,Don Trotter
On Thursday, September 7, 2023 at 01:54:08 PM CDT, Don Trotter <djtrott=
er@yahoo.com> wrote: =20
=20
Hi,
I have recently started using DPDK. I am working on a project on OcteonTX2 =
with DPDK 11.23.01. I am seeing this message from EAL during EAL init, but =
everything is working.
=C2=A0 =C2=A0=C2=A0EAL: eal_memalloc_alloc_seg_bulk(): couldn't find suitab=
le memseg_list
The system has 96GB of memory.=C2=A0 These 2 pools get created and everythi=
ng works fine.
mempool <mbuf_pool>@0x13fed3e00=C2=A0 flags=3D10=C2=A0 socket_id=3D0=C2=A0 =
pool=3D0x1140300000=C2=A0 iova=3D0x13fed3e00=C2=A0 nb_mem_chunks=3D1=C2=A0 =
size=3D65535=C2=A0 populated_size=3D65535=C2=A0 header_size=3D128=C2=A0 elt=
_size=3D10200=C2=A0 trailer_size=3D40=C2=A0 total_obj_size=3D10368=C2=A0 pr=
ivate_data_size=3D128=C2=A0 ops_index=3D0=C2=A0 ops_name: <cn9k_mempool_ops=
>=C2=A0 avg bytes/object=3D10368.558602
mempool <node_pool>@0x1575d8180=C2=A0 flags=3D10=C2=A0 socket_id=3D-1=C2=A0=
pool=3D0x19ffffd00=C2=A0 iova=3D0x1575d8180=C2=A0 nb_mem_chunks=3D2=C2=A0 =
size=3D134217727=C2=A0 populated_size=3D134217727=C2=A0 header_size=3D128=
=C2=A0 elt_size=3D256=C2=A0 trailer_size=3D0=C2=A0 total_obj_size=3D384=C2=
=A0 private_data_size=3D0=C2=A0 ops_index=3D3=C2=A0 ops_name: <ring_mp_mc>=
=C2=A0 avg bytes/object=3D384.000094
You read that right. I=E2=80=99ve got 128*1024*1024 256 byte buffers create=
d for data.
I also see there is still heap left, although pretty low after.
Heap id:0=C2=A0 =C2=A0 =C2=A0 =C2=A0 Heap name:socket_0=C2=A0 =C2=A0 =C2=A0=
=C2=A0 Heap_size:55834574848,=C2=A0 =C2=A0 =C2=A0 =C2=A0 Free_size:2403644=
544,=C2=A0 =C2=A0 =C2=A0 =C2=A0 Alloc_size:53430930304,=C2=A0 =C2=A0 =C2=A0=
=C2=A0 Greatest_free_size:536870016,=C2=A0 =C2=A0 =C2=A0 =C2=A0 Alloc_coun=
t:293,=C2=A0 =C2=A0 =C2=A0 =C2=A0 Free_count:5,
Linux free stats.
tmp# free -h -w=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 total=C2=A0=
=C2=A0 =C2=A0 =C2=A0 used=C2=A0 =C2=A0 =C2=A0 =C2=A0 free=C2=A0 =C2=A0 =C2=
=A0 shared=C2=A0 =C2=A0 =C2=A0buffers=C2=A0 =C2=A0 =C2=A0 =C2=A0cache=C2=A0=
=C2=A0availableMem:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A095Gi=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 88Gi=C2=A0 =C2=A0 =C2=A0 =C2=A06.5Gi=C2=A0 =C2=A0 =C2=A0 =
=C2=A0444Mi=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0B=C2=A0 =C2=A0 =C2=A0 =C2=A0=
470Mi=C2=A0 =C2=A0 =C2=A0 =C2=A0599MiSwap:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 0B=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 0B=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 0B
Is there anything wrong with that EAL log? Is there a lurking problem?
Thanks,Don Trotter
=20
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Content-Type: text/html; charset=UTF-8
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<html><head></head><body><div class=3D"ydpe9e7121eyahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px=
;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">To clarify, the log message =
when my application called <span>rte_mempool_create() to create the "n=
ode_pool", and the call succeeded.</span></div><div dir=3D"ltr" data-setdir=
=3D"false"><span><br></span></div><div dir=3D"ltr" data-setdir=3D"false"><s=
pan>Thanks,</span></div><div dir=3D"ltr" data-setdir=3D"false"><span>Don Tr=
otter</span></div><div><br></div>
=20
</div><div id=3D"ydpb7466567yahoo_quoted_4371685681" class=3D"ydpb7=
466567yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Thursday, September 7, 2023 at 01:54:08 PM CDT, Don =
Trotter <djtrotter@yahoo.com> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydpb7466567yiv9409598186"><div><div style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px=
;" class=3D"ydpb7466567yiv9409598186yahoo-style-wrap"><div dir=3D"ltr"><div=
><div>Hi,</div><div><br></div><div>I have recently started using DPDK. I am=
working on a project on OcteonTX2 with DPDK 11.23.01. I am seeing this mes=
sage from EAL during EAL init, but everything is working.</div><div><br></d=
iv><div dir=3D"ltr"> <span>EAL: eal_memalloc_alloc_seg_bu=
lk(): couldn't find suitable memseg_list</span></div><div><br></div><div>Th=
e system has 96GB of memory. These 2 pools get created and everything=
works fine.</div><div><br></div><div>mempool <mbuf_pool>@0x13fed3e00=
</div><div> flags=3D10</div><div> socket_id=3D0</div><div> =
; pool=3D0x1140300000</div><div> iova=3D0x13fed3e00</div><div> =
nb_mem_chunks=3D1</div><div> size=3D65535</div><div> populated_=
size=3D65535</div><div> header_size=3D128</div><div> elt_size=
=3D10200</div><div> trailer_size=3D40</div><div> total_obj_size=
=3D10368</div><div> private_data_size=3D128</div><div> ops_inde=
x=3D0</div><div> ops_name: <cn9k_mempool_ops></div><div> =
avg bytes/object=3D10368.558602</div><div><br></div><div>mempool <node_p=
ool>@0x1575d8180</div><div> flags=3D10</div><div> socket_id=
=3D-1</div><div> pool=3D0x19ffffd00</div><div> iova=3D0x1575d81=
80</div><div> nb_mem_chunks=3D2</div><div> size=3D134217727</di=
v><div> populated_size=3D134217727</div><div> header_size=3D128=
</div><div> elt_size=3D256</div><div> trailer_size=3D0</div><di=
v> total_obj_size=3D384</div><div> private_data_size=3D0</div><=
div> ops_index=3D3</div><div> ops_name: <ring_mp_mc></div=
><div> avg bytes/object=3D384.000094</div><div><br></div><div>You rea=
d that right. I=E2=80=99ve got 128*1024*1024 256 byte buffers created for d=
ata.</div><div><br></div><div>I also see there is still heap left, although=
pretty low after.</div><div><br></div><div>Heap id:0</div><div> &nbs=
p; Heap name:socket_0</div><div> H=
eap_size:55834574848,</div><div> Free_size:24036=
44544,</div><div> Alloc_size:53430930304,</div><=
div> Greatest_free_size:536870016,</div><div>&nb=
sp; Alloc_count:293,</div><div> &n=
bsp; Free_count:5,</div><div><br></div><div>Linux free stats.</div><div><br=
></div><div>tmp# free -h -w</div><div> &n=
bsp; total used  =
; free shared buffers &=
nbsp; cache available</div><div>Mem: =
95Gi 88Gi  =
; 6.5Gi 444Mi &n=
bsp; 0B 470Mi 599Mi</di=
v><div>Swap: 0B  =
; 0B 0B</div><div><br></div=
><div><b>Is there anything wrong with that EAL log? Is there a lurking prob=
lem?</b></div><div><br></div><div>Thanks,</div><div>Don Trotter</div><div><=
br></div></div><br></div></div></div></div></div>
</div>
</div></body></html>
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