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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, I tried to pass into dpdk_eal_init() the argument --socket-mem=3D2048,2048"= and I get segmentation error when strsplit() function is called arg_num =3D rte_strsplit(strval, len, arg, RTE_MAX_NUMA_NODES, ','); In eal_common_string_fns.c gdb failed at the line shown below. rte_strsplit(char *string, int stringlen, char **tokens, int maxtokens, char delim) { int i, tok =3D 0; int tokstart =3D 1; /* first token is right at start of string */ if (string =3D=3D NULL || tokens =3D=3D NULL) goto einval_error; for (i =3D 0; i < stringlen; i++) { if (string[i] =3D=3D '\0' || tok >=3D maxtokens) break; if (tokstart) { tokstart =3D 0; tokens[tok++] =3D &string[i]; } if (string[i] =3D=3D delim) { string[i] =3D '\0'; <<<< Fails here with segment= ation fault. tokstart =3D 1; } } return tok; If I pass "--socket_mem=3D2048", --socket-mem=3D2048", rte_eal_init() does = not complain. Not sure if this would ensure both CPU sockets will host 2-1G hugepages? I= suspect it doesn't because I only see to rtemap_0 and rtemap_1 in /mnt/hug= e directory. I think I should see four total. # /opt/dpdk/dpdk-hugepages.py -s Node Pages Size Total 0 2 1Gb 2Gb 1 2 1Gb 2Gb I don't know if I should believe the above output showing 2Gb on Numa Nodes= 0 and 1. Any help is appreciated. Thanks, Ed --_000_CH3PR01MB8470E9DD7027F53B1B58E3E58FA92CH3PR01MB8470prod_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi,

I tried to pass into dpdk_eal_init() the argument --= socket-mem=3D2048,2048” and I get segmentation error when strsplit() = function is called

        arg_= num =3D rte_strsplit(strval, len,

        &nbs= p;            &= nbsp;  arg, RTE_MAX_NUMA_NODES, ',');

 

 

In eal_common_string_fns.c gdb failed at the line sh= own below.

rte_strsplit(char *string, int stringlen,=

        &nbs= p;    char **tokens, int maxtokens, char delim)

{

        int i, to= k =3D 0;

        int tokst= art =3D 1; /* first token is right at start of string */

 

        if (strin= g =3D=3D NULL || tokens =3D=3D NULL)

        &nbs= p;       goto einval_error;

 

        for (i = =3D 0; i < stringlen; i++) {

        &nbs= p;       if (string[i] =3D=3D '\0' || tok >= ;=3D maxtokens)

        &nbs= p;            &= nbsp;  break;

        &nbs= p;       if (tokstart) {

        &nbs= p;            &= nbsp;  tokstart =3D 0;

        &nbs= p;            &= nbsp;  tokens[tok++] =3D &string[i];

        &nbs= p;       }

        &nbs= p;       if (string[i] =3D=3D delim) {

        &nbs= p;            &= nbsp;  string[i] =3D '\0';    <<<< Fails he= re with segmentation fault.

        &nbs= p;            &= nbsp;  tokstart =3D 1;

        &nbs= p;       }

        }

        return to= k;

 

If I pass “--socket_mem=3D2048”, --socke= t-mem=3D2048”, rte_eal_init() does not complain.

Not sure if this would ensure both CPU sockets will = host 2-1G hugepages?  I suspect it doesn’t because I only see to= rtemap_0 and rtemap_1 in /mnt/huge directory.  I think I should see f= our total.

 

# /opt/dpdk/dpdk-hugepages.py -s

Node Pages Size Total

0    2     1Gb&nb= sp;   2Gb

1    2     1Gb&nb= sp;   2Gb

 

I don’t know if I should believe the above out= put showing 2Gb on Numa Nodes 0 and 1.

 

Any help is appreciated.

 

Thanks,

Ed

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