Index: uspace/app/ps/ps.c
===================================================================
--- uspace/app/ps/ps.c	(revision a325832e40265e1eb176995bec5cf79d579eb46c)
+++ uspace/app/ps/ps.c	(revision faf38b24fb042fe9f1d90d5bb4cc3c9364782df0)
@@ -99,10 +99,10 @@
 	int thread_count = THREAD_COUNT;
 	thread_info_t *threads = malloc(thread_count * sizeof(thread_info_t));
-	int result = get_task_threads(taskid, threads, sizeof(thread_info_t) * thread_count);
+	int result = get_task_threads(threads, sizeof(thread_info_t) * thread_count);
 
 	while (result > thread_count) {
 		thread_count *= 2;
 		threads = realloc(threads, thread_count * sizeof(thread_info_t));
-		result = get_task_threads(taskid, threads, sizeof(thread_info_t) * thread_count);
+		result = get_task_threads(threads, sizeof(thread_info_t) * thread_count);
 	}
 
@@ -115,4 +115,7 @@
 	printf("    ID    State  CPU   Prio    [k]uCycles    [k]kcycles   Cycle fault\n");
 	for (i = 0; i < result; ++i) {
+		if (threads[i].taskid != taskid) {
+			continue;
+		}
 		uint64_t ucycles, kcycles;
 		char usuffix, ksuffix;
Index: uspace/app/top/ps.c
===================================================================
--- uspace/app/top/ps.c	(revision a325832e40265e1eb176995bec5cf79d579eb46c)
+++ uspace/app/top/ps.c	(revision faf38b24fb042fe9f1d90d5bb4cc3c9364782df0)
@@ -86,10 +86,10 @@
 	int thread_count = THREAD_COUNT;
 	thread_info_t *threads = malloc(thread_count * sizeof(thread_info_t));
-	int result = get_task_threads(taskid, threads, sizeof(thread_info_t) * thread_count);
+	int result = get_task_threads(threads, sizeof(thread_info_t) * thread_count);
 
 	while (result > thread_count) {
 		thread_count *= 2;
 		threads = realloc(threads, thread_count * sizeof(thread_info_t));
-		result = get_task_threads(taskid, threads, sizeof(thread_info_t) * thread_count);
+		result = get_task_threads(threads, sizeof(thread_info_t) * thread_count);
 	}