trace: remove limitation on patterns number

[dpdk.git] / lib / librte_eal / common / eal_common_trace_utils.c

diff --git a/lib/librte_eal/common/eal_common_trace_utils.c b/lib/librte_eal/common/eal_common_trace_utils.c
index 4077acf..77ea8f7 100644 (file)
--- a/lib/librte_eal/common/eal_common_trace_utils.c
+++ b/lib/librte_eal/common/eal_common_trace_utils.c
@@ -138,25 +138,21 @@ int
 eal_trace_args_save(const char *val)
 {
        struct trace *trace = trace_obj_get();
-       char *trace_args;
-       uint8_t nb_args;
+       struct trace_arg *arg = malloc(sizeof(*arg));
 
-       nb_args = trace->args.nb_args;
-
-       if (nb_args >= TRACE_MAX_ARGS) {
-               trace_err("ignoring trace %s as limit exceeds", val);
-               return 0;
+       if (arg == NULL) {
+               trace_err("failed to allocate memory for %s", val);
+               return -ENOMEM;
        }
 
-       trace_args = calloc(1, (strlen(val) + 1));
-       if (trace_args == NULL) {
-               trace_err("fail to allocate memory for %s", val);
+       arg->val = strdup(val);
+       if (arg->val == NULL) {
+               trace_err("failed to allocate memory for %s", val);
+               free(arg);
                return -ENOMEM;
        }
 
-       memcpy(trace_args, val, strlen(val));
-       trace->args.args[nb_args++] = trace_args;
-       trace->args.nb_args = nb_args;
+       STAILQ_INSERT_TAIL(&trace->args, arg, next);
        return 0;
 }
 
@@ -164,13 +160,13 @@ void
 eal_trace_args_free(void)
 {
        struct trace *trace = trace_obj_get();
-       int i;
+       struct trace_arg *arg;
 
-       for (i = 0; i < trace->args.nb_args; i++) {
-               if (trace->args.args[i]) {
-                       free((void *)trace->args.args[i]);
-                       trace->args.args[i] = NULL;
-               }
+       while (!STAILQ_EMPTY(&trace->args)) {
+               arg = STAILQ_FIRST(&trace->args);
+               STAILQ_REMOVE_HEAD(&trace->args, next);
+               free(arg->val);
+               free(arg);
        }
 }