Index: uspace/app/ps/ps.c
===================================================================
--- uspace/app/ps/ps.c	(revision 79edc36068b3e69b1d1719de0dc8332601090c30)
+++ uspace/app/ps/ps.c	(revision 62550dcebaf6572f33fa63e95f98ecc3f61f4cec)
@@ -43,4 +43,5 @@
 #include <malloc.h>
 #include <load.h>
+#include <sysinfo.h>
 
 #include "func.h"
@@ -141,7 +142,20 @@
 }
 
+static void echo_cpus(void)
+{
+	size_t cpu_count = sysinfo_value("cpu.count");
+	printf("Found %u cpu's:\n", cpu_count);
+	uspace_cpu_info_t *cpus = malloc(cpu_count * sizeof(uspace_cpu_info_t));
+	get_cpu_info(cpus);
+	size_t i;
+	for (i = 0; i < cpu_count; ++i) {
+		printf("%2u (%4u Mhz): Busy ticks: %8llu, Idle ticks: %8llu\n", cpus[i].id,
+				(size_t)cpus[i].frequency_mhz, cpus[i].busy_ticks, cpus[i].idle_ticks);
+	}
+}
+
 static void usage()
 {
-	printf("Usage: ps [-t pid -l]\n");
+	printf("Usage: ps [-t pid|-l|-c]\n");
 }
 
@@ -169,4 +183,12 @@
 			}
 			echo_load();
+		} else if (str_cmp(*argv, "-c") == 0) {
+			--argc; ++argv;
+			if (argc != 0) {
+				printf("Bad argument count!\n");
+				usage();
+				exit(1);
+			}
+			echo_cpus();
 		} else {
 			printf("Unknown argument %s!\n", *argv);
Index: uspace/lib/c/Makefile
===================================================================
--- uspace/lib/c/Makefile	(revision 79edc36068b3e69b1d1719de0dc8332601090c30)
+++ uspace/lib/c/Makefile	(revision 62550dcebaf6572f33fa63e95f98ecc3f61f4cec)
@@ -92,4 +92,5 @@
 	generic/stacktrace.c \
 	generic/ps.c \
+	generic/cpu.c \
 	generic/load.c \
 	generic/uptime.c
Index: uspace/lib/c/generic/cpu.c
===================================================================
--- uspace/lib/c/generic/cpu.c	(revision 62550dcebaf6572f33fa63e95f98ecc3f61f4cec)
+++ uspace/lib/c/generic/cpu.c	(revision 62550dcebaf6572f33fa63e95f98ecc3f61f4cec)
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2010 Stanislav Kozina
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup libc
+ * @{
+ */
+/** @file
+ */
+
+#include <libc.h>
+#include <ps.h>
+
+/** Get infos about system CPUs.
+ *
+ * @param cpus		Pointer where info structures will be stored.
+ * 			Use \ref sysinfo() to get cpu.count value.
+ *
+ * @return		EOK.
+ *
+ */
+int get_cpu_info(uspace_cpu_info_t *cpus)
+{
+	return __SYSCALL1(SYS_PS_GET_CPU_INFO, (sysarg_t) cpus);
+}
+
+/** @}
+ */
Index: uspace/lib/c/include/ps.h
===================================================================
--- uspace/lib/c/include/ps.h	(revision 79edc36068b3e69b1d1719de0dc8332601090c30)
+++ uspace/lib/c/include/ps.h	(revision 62550dcebaf6572f33fa63e95f98ecc3f61f4cec)
@@ -38,5 +38,7 @@
 #include <task.h>
 #include <kernel/ps/taskinfo.h>
+#include <kernel/ps/cpuinfo.h>
 
+extern int get_cpu_info(uspace_cpu_info_t *cpus);
 extern size_t get_task_ids(task_id_t *ids, size_t size);
 extern int get_task_info(task_id_t id, task_info_t *info);