Add 'getidle' CPU utilization measurement infrastructure

2009-12-02 11:52:26 +00:00
parent be2087ecf9
commit fce9fd4b4e
22 changed files with 190 additions and 31 deletions
@@ -11,6 +11,7 @@ _PROTOTYPE( ssize_t getsysinfo_up, (endpoint_t who, int what, size_t size,

 #define SIU_LOADINFO	1	/* retrieve load info data */
 #define SIU_SYSTEMHZ	2	/* retrieve system clock frequency */
+#define SIU_IDLETSC	3	/* retrieve cumulative idle timestamp count */

 /* Exported system parameters. */