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Thu, 7 Sep 2023 18:54:03 +0000 Date: Thu, 7 Sep 2023 18:53:59 +0000 (UTC) From: Don Trotter To: "users@dpdk.org" Message-ID: <2101629309.5133186.1694112839948@mail.yahoo.com> Subject: EAL: eal_memalloc_alloc_seg_bulk(): couldn't find suitable memseg_list MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_5133185_525087934.1694112839947" References: <2101629309.5133186.1694112839948.ref@mail.yahoo.com> X-Mailer: WebService/1.1.21763 YMailNorrin X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Don Trotter Errors-To: users-bounces@dpdk.org ------=_Part_5133185_525087934.1694112839947 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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 @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: =C2=A0 avg bytes/object=3D10368.558602 mempool @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: = =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 ------=_Part_5133185_525087934.1694112839947 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

I hav= e 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 every= thing is working.

    EAL: eal_memalloc_alloc_seg_bulk(): couldn't fin= d suitable memseg_list

The system has 96GB = of memory.  These 2 pools get created and everything works fine.
=

mempool <mbuf_pool>@0x13fed3e00
  = flags=3D10
  socket_id=3D0
  pool=3D0x1140300= 000
  iova=3D0x13fed3e00
  nb_mem_chunks=3D1<= /div>
  size=3D65535
  populated_size=3D65535
=
  header_size=3D128
  elt_size=3D10200
&= nbsp; trailer_size=3D40
  total_obj_size=3D10368
&= nbsp; private_data_size=3D128
  ops_index=3D0
&nbs= p; ops_name: <cn9k_mempool_ops>
  avg bytes/object=3D1= 0368.558602

mempool <node_pool>@0x1575d8180<= /div>
  flags=3D10
  socket_id=3D-1
 = ; pool=3D0x19ffffd00
  iova=3D0x1575d8180
  n= b_mem_chunks=3D2
  size=3D134217727
  populat= ed_size=3D134217727
  header_size=3D128
  elt= _size=3D256
  trailer_size=3D0
  total_obj_si= ze=3D384
  private_data_size=3D0
  ops_index= =3D3
  ops_name: <ring_mp_mc>
  avg byt= es/object=3D384.000094

You read that right. I=E2= =80=99ve got 128*1024*1024 256 byte buffers created for data.
I also see there is still heap left, although pretty low after.=

Heap id:0
        H= eap name:socket_0
        Heap_size:558345748= 48,
        Free_size:2403644544,
&= nbsp;       Alloc_size:53430930304,
    =     Greatest_free_size:536870016,
      =   Alloc_count:293,
        Free_count:5,=

Linux free stats.

tmp# f= ree -h -w
              total&= nbsp;       used        free   = ;   shared     buffers       cache&= nbsp;  available
Mem:          &nbs= p;95Gi        88Gi       6.5Gi = ;      444Mi          0B  &nbs= p;    470Mi       599Mi
Swap: =           0B          0B=           0B

Is there = anything wrong with that EAL log? Is there a lurking problem?

Thanks,
Don Trotter

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