Initial revision

kernel/sysctl/libgtop.h

@@ -0,0 +1,82 @@
+#ifndef _LINUX_LIBGTOP_H
+#define _LINUX_LIBGTOP_H 1
+
+#include <linux/tasks.h>
+
+enum {
+    LIBGTOP_VERSION = 1,
+    LIBGTOP_PROC,
+    LIBGTOP_UPDATE_EXPENSIVE,
+    LIBGTOP_STAT,
+    LIBGTOP_MEM,
+    LIBGTOP_SWAP,
+    LIBGTOP_PROCLIST
+};
+
+enum {
+    LIBGTOP_PROCLIST_ALL = 0,
+    LIBGTOP_PROCLIST_PID,
+    LIBGTOP_PROCLIST_PGRP,
+    LIBGTOP_PROCLIST_SESSION,
+    LIBGTOP_PROCLIST_TTY,
+    LIBGTOP_PROCLIST_UID,
+    LIBGTOP_PROCLIST_RUID
+};
+
+#define LIBGTOP_PROCLIST_MASK		15	
+
+#define LIBGTOP_EXCLUDE_IDLE		0x1000
+#define LIBGTOP_EXCLUDE_SYSTEM		0x2000
+#define LIBGTOP_EXCLUDE_NOTTY		0x4000
+
+typedef struct libgtop_stat libgtop_stat_t;
+
+typedef struct libgtop_cpu libgtop_cpu_t;
+typedef struct libgtop_mem libgtop_mem_t;
+typedef struct libgtop_swap libgtop_swap_t;
+typedef struct libgtop_proclist libgtop_proclist_t;
+
+struct libgtop_cpu
+{
+    unsigned long total;		/* Total CPU Time		*/
+    unsigned long user;			/* CPU Time in User Mode	*/
+    unsigned long nice;			/* CPU Time in User Mode (nice)	*/
+    unsigned long sys;			/* CPU Time in System Mode	*/
+    unsigned long idle;			/* CPU Time in the Idle Task	*/
+};
+
+struct libgtop_mem
+{
+    unsigned long totalram;		/* Total usable main memory size */
+    unsigned long freeram;		/* Available memory size */
+    unsigned long sharedram;		/* Amount of shared memory */
+    unsigned long bufferram;		/* Memory used by buffers */
+};
+
+struct libgtop_swap
+{
+    unsigned long totalswap;		/* Total swap space size */
+    unsigned long freeswap;		/* swap space still available */
+};
+
+struct libgtop_proclist
+{
+    int nr_running, nr_tasks, last_pid;
+    unsigned pids [NR_TASKS];
+};
+
+struct libgtop_stat
+{
+    int ncpu;				/* Number of CPUs		*/
+    unsigned long frequency;		/* Tick frequency (HZ)		*/
+    libgtop_cpu_t cpu;			/* CPU statistics		*/
+    libgtop_cpu_t xcpu [NR_CPUS];	/* SMP per-CPU statistics	*/
+    double loadavg [3];			/* Load average			*/
+    unsigned long total_forks;		/* Total # of forks		*/
+    unsigned int context_swtch;		/* Total # of context switches	*/
+    unsigned long boot_time;		/* Boot time (seconds s. epoch)	*/
+    unsigned int pgpgin, pgpgout;	/* # of pages paged in/out	*/
+    unsigned int pswpin, pswpout;	/* # of swap pgs brought in/out	*/
+};
+
+#endif