[wip] further prunned CPU info

Author: filipecosta90

src/redisai.c

@@ -997,24 +997,29 @@ void RAI_moduleInfoFunc(RedisModuleInfoCtx *ctx, int for_crash_report) {
     RedisModule_InfoAddFieldLongLong(ctx, "inter_op_parallelism", getBackendsInterOpParallelism());
     RedisModule_InfoAddFieldLongLong(ctx, "intra_op_parallelism", getBackendsIntraOpParallelism());
     struct rusage self_ru, c_ru;
-    
+
     // Return resource usage statistics for the calling process,
     // which is the sum of resources used by all threads in the
     // process
     getrusage(RUSAGE_SELF, &self_ru);
 
-// Return resource usage statistics for the calling thread
-// which in this case is Redis/RedisAI main thread
-// RUSAGE_THREAD is Linux-specific.
+    // Return resource usage statistics for the calling thread
+    // which in this case is Redis/RedisAI main thread
+    // RUSAGE_THREAD is Linux-specific.
+    sds main_thread_used_cpu_sys = sdsempty();
+    sds main_thread_used_cpu_user = sdsempty();
 #if (defined(__linux__) && defined(RUSAGE_THREAD))
     struct rusage main_thread_ru;
     getrusage(RUSAGE_THREAD, &main_thread_ru);
-    sds main_thread_used_cpu_user =
-        sdscatprintf(sdsempty(), "%ld.%06ld", (long)main_thread_ru.ru_stime.tv_sec,
+    main_thread_used_cpu_sys =
+        sdscatprintf(main_thread_used_cpu_sys, "%ld.%06ld", (long)main_thread_ru.ru_stime.tv_sec,
                      (long)self_ru.ru_stime.tv_usec);
-    sds main_thread_used_cpu_sys =
-        sdscatprintf(sdsempty(), "%ld.%06ld", (long)main_thread_ru.ru_utime.tv_sec,
+    main_thread_used_cpu_user =
+        sdscatprintf(main_thread_used_cpu_user, "%ld.%06ld", (long)main_thread_ru.ru_utime.tv_sec,
                      (long)self_ru.ru_utime.tv_usec);
+#else
+    sdscatprintf(main_thread_used_cpu_sys, "N/A");
+    sdscatprintf(main_thread_used_cpu_user, "N/A");
 #endif
 
     // Return resource usage statistics for all of its
@@ -1033,10 +1038,9 @@ void RAI_moduleInfoFunc(RedisModuleInfoCtx *ctx, int for_crash_report) {
     RedisModule_InfoAddFieldCString(ctx, "self_used_cpu_user", self_used_cpu_user);
     RedisModule_InfoAddFieldCString(ctx, "children_used_cpu_sys", children_used_cpu_sys);
     RedisModule_InfoAddFieldCString(ctx, "children_used_cpu_user", children_used_cpu_user);
-#if (defined(__linux__) && defined(RUSAGE_THREAD))
     RedisModule_InfoAddFieldCString(ctx, "main_thread_used_cpu_sys", main_thread_used_cpu_sys);
     RedisModule_InfoAddFieldCString(ctx, "main_thread_used_cpu_user", main_thread_used_cpu_user);
-#endif
+
     AI_dictIterator *iter = AI_dictGetSafeIterator(run_queues);
     AI_dictEntry *entry = AI_dictNext(iter);
     while (entry) {