Exemplo n.º 1
0
static void _store_hosts (flux_t h)
{
    char *key;
    long cores = sysconf(_SC_NPROCESSORS_ONLN);
    long pagesize = sysconf(_SC_PAGE_SIZE);
    long pages = sysconf(_SC_PHYS_PAGES);
    long memMB = pages * pagesize / 1024 / 1024;

    if ((asprintf (&key, "resrc.rank.%d.cores", flux_rank (h)) < 0) ||
	kvs_put_int64 (h, key, cores)) {
	err ("resrc: kvs_put_int64 %d %lu failed", flux_rank (h), cores);
    }
    free (key);
    if ((asprintf (&key, "resrc.rank.%d.alloc.cores", flux_rank (h)) < 0) ||
	kvs_put_int64 (h, key, 0)) {
	err ("resrc: kvs_put_int64 %d %d failed", flux_rank (h), 0);
    }
    free (key);
    if ((asprintf (&key, "resrc.rank.%d.mem", flux_rank (h)) < 0) ||
	kvs_put_int64 (h, key, memMB)) {
	err ("resrc: kvs_put_int64 %d %lu failed", flux_rank (h), memMB);
    }
    free (key);
    kvs_commit(h);
}
Exemplo n.º 2
0
static int update_rdesc (flux_t h, int64_t j, JSON o)
{
    int rc = -1;
    int64_t nnodes = 0;
    int64_t ntasks = 0;
    char key1[20] = {'\0'}; 
    char key2[20] = {'\0'}; 

    if (!Jget_int64 (o, JSC_RDESC_NNODES, &nnodes)) return -1;
    if (!Jget_int64 (o, JSC_RDESC_NTASKS, &ntasks)) return -1;
    if ((nnodes < 0) || (ntasks < 0)) return -1;

    snprintf (key1, 20, "lwj.%ld.nnodes", j);
    snprintf (key2, 20, "lwj.%ld.ntasks", j);
    if (kvs_put_int64 (h, key1, nnodes) < 0) 
        flux_log (h, LOG_ERR, "update %s: %s", key1, strerror (errno));
    else if (kvs_put_int64 (h, key2, ntasks) < 0) 
        flux_log (h, LOG_ERR, "update %s: %s", key2, strerror (errno));
    else if (kvs_commit (h) < 0) 
        flux_log (h, LOG_ERR, "commit failed");
    else {
        flux_log (h, LOG_DEBUG, "job (%ld) assigned new resources.", j);
        rc = 0;
    }

    return rc;
}
Exemplo n.º 3
0
/*
 *  Set a new value for lwj.next-id and commit
 */
static int set_next_jobid (flux_t h, unsigned long jobid)
{
    int rc;
    if ((rc = kvs_put_int64 (h, "lwj.next-id", jobid)) < 0) {
        err ("kvs_put: %s", strerror (errno));
        return -1;
    }
    return kvs_commit (h);
}
Exemplo n.º 4
0
static int update_rdesc (flux_t h, int64_t j, JSON o)
{
    int rc = -1;
    int64_t nnodes = 0;
    int64_t ntasks = 0;
    int64_t walltime = 0;
    char *key1;
    char *key2;
    char *key3;

    if (!Jget_int64 (o, JSC_RDESC_NNODES, &nnodes)) return -1;
    if (!Jget_int64 (o, JSC_RDESC_NTASKS, &ntasks)) return -1;
    if (!Jget_int64 (o, JSC_RDESC_WALLTIME, &walltime)) return -1;

    if ((nnodes < 0) || (ntasks < 0) || (walltime < 0)) return -1;

    key1 = xasprintf ("lwj.%"PRId64".nnodes", j);
    key2 = xasprintf ("lwj.%"PRId64".ntasks", j);
    key3 = xasprintf ("lwj.%"PRId64".walltime", j);
    if (kvs_put_int64 (h, key1, nnodes) < 0)
        flux_log_error (h, "update %s", key1);
    else if (kvs_put_int64 (h, key2, ntasks) < 0)
        flux_log_error (h, "update %s", key2);
    else if (kvs_put_int64 (h, key3, walltime) < 0)
        flux_log_error (h, "update %s", key3);
    else if (kvs_commit (h) < 0)
        flux_log_error (h, "commit failed");
    else {
        flux_log (h, LOG_DEBUG, "job (%"PRId64") assigned new resources.", j);
        rc = 0;
    }
    free (key1);
    free (key2);

    return rc;
}
Exemplo n.º 5
0
static int update_1ra (flux_t h, int r, int64_t j, JSON o)
{
    int rc = 0;
    int64_t ncores = 0;
    char key[20] = {'\0'};
    JSON c = NULL;

    if (!Jget_obj (o, JSC_RDL_ALLOC_CONTAINED, &c)) return -1;
    if (!Jget_int64 (c, JSC_RDL_ALLOC_CONTAINED_NCORES, &ncores)) return -1;

    snprintf (key, 20, "lwj.%ld.rank.%d.cores", j, r);
    if ( (rc = kvs_put_int64 (h, key, ncores)) < 0) {
        flux_log (h, LOG_ERR, "put %s: %s", key, strerror (errno));
    }  
    return rc;
}
Exemplo n.º 6
0
static int update_rdl_alloc (flux_t h, int64_t j, JSON o)
{
    int i = 0;
    int rc = -1;
    int size = 0;
    JSON ra_e = NULL;
    const char *key = NULL;
    zhash_t *rtab = NULL;
    int64_t *ncores = NULL;

    if (!(rtab = zhash_new ()))
        oom ();
    if (!Jget_ar_len (o, &size))
        goto done;

    for (i=0; i < (int) size; ++i) {
        if (!Jget_ar_obj (o, i, &ra_e))
            goto done;
        /* 'o' represents an array of per-node core count to use.
         * However, becasue the same rank can appear multiple times
         * in this array in emulation mode, update_hash_1ra is
         * used to determine the total core count per rank.
         */
        if ( (rc = update_hash_1ra (h, j, ra_e, rtab)) < 0)
            goto done;
    }

    FOREACH_ZHASH (rtab, key, ncores) {
        if ( (rc = kvs_put_int64 (h, key, *ncores)) < 0) {
            flux_log_error (h, "put %s", key);
            goto done;
        }
    }
    if (kvs_commit (h) < 0) {
        flux_log (h, LOG_ERR, "update_pdesc commit failed");
        goto done;
    }
    rc = 0;

done:
    zhash_destroy (&rtab);
    return rc;
}