Correct resource stats in the case resource is unused

src/util/resource-lp.c

@@ -390,7 +390,6 @@ void resource_rev_handler(
 void resource_finalize(
         resource_state * ns,
         tw_lp * lp){
-    /* Fill me in... */
     struct qlist_head *ent;
     for (int i = 0; i < MAX_RESERVE+1; i++){
         qlist_for_each(ent, &ns->pending[i]){
@@ -409,6 +408,7 @@ void resource_finalize(
     }
     written = sprintf(out_buf, "%lu", lp->gid);
 
+    // compute peak resource usage
     // TODO: wrap this up in the resource interface
     for (int i = 0; i < ns->r.num_tokens+1; i++){
         written += sprintf(out_buf+written, " %lu", ns->r.max[i]-ns->r.min_avail[i]);

src/util/resource.c

@@ -18,11 +18,11 @@ void resource_init(uint64_t avail, resource *r){
     r->max_all  = avail;
     r->avail[0] = avail;
     r->max[0] = avail;
-    r->min_avail[0] = UINT64_MAX;
+    r->min_avail[0] = avail;
     for (int i = 1; i < MAX_RESERVE; i++){
         r->avail[i] = 0;
         r->max[i] = 0;
-        r->min_avail[i] = UINT64_MAX;
+        r->min_avail[i] = avail;
     }
 }
 
@@ -119,6 +119,7 @@ int resource_reserve(uint64_t req, resource_token_t *tok, resource *r){
         *tok = ++(r->num_tokens);
         r->avail[*tok] = req;
         r->max[*tok] = req;
+        r->min_avail[*tok] = req;
         r->max[0] -= req;
         r->avail[0] -= req;
         return 0;