1 /* 2 * SYS/KCOLLECT.H 3 */ 4 5 #ifndef _SYS_KCOLLECT_H_ 6 #define _SYS_KCOLLECT_H_ 7 8 #define KCOLLECT_ENTRIES 29 9 10 /* 11 * Record format. 12 * 13 * Note that the first record returned by the sysctl contains scale and 14 * format data in the data[0] fields. The format is stored in the low 15 * 8-bits and the scale in the remaining bits, unsigned. ticks is set to 16 * the current ticks as-of when the sysctl was issues and hz is set to hz 17 * for the machine, to interpret ticks. Caller can calculate dates from 18 * that. 19 * 20 * The second record stores identifying strings in the data field, 21 * up to 8 characters per entry. An 8-character-long string will not be 22 * zero terminated. The ticks and hz fields will be 0. 23 * 24 * All remaining records contain data going backwards in time. The ticks 25 * field will be set as-of when the data is collected, hz will be 0, and 26 * the data[] fields will contain the raw values according to the format. 27 */ 28 typedef struct { 29 uint32_t ticks; 30 uint32_t hz; /* record #0 only */ 31 struct timeval realtime; 32 uint64_t data[KCOLLECT_ENTRIES]; 33 } kcollect_t; 34 35 #define KCOLLECT_LOAD 0 /* machine load 1.0 = 1 cpu @ 100% */ 36 #define KCOLLECT_USERPCT 1 /* whole machine user % */ 37 #define KCOLLECT_SYSTPCT 2 /* whole machine sys % */ 38 #define KCOLLECT_IDLEPCT 3 /* whole machine idle % */ 39 #define KCOLLECT_INTRPCT 4 /* whole machine intr % (or other) */ 40 #define KCOLLECT_SWAPPCT 5 /* total swap used % */ 41 #define KCOLLECT_SWAPANO 6 /* anonymous swap used MB */ 42 #define KCOLLECT_SWAPCAC 7 /* swapcache swap used MB */ 43 44 #define KCOLLECT_VMFAULT 8 /* all vm faults */ 45 #define KCOLLECT_COWFAULT 9 /* all vm copy-on-write faults */ 46 #define KCOLLECT_ZFILL 10 /* all vm zero-fill faults */ 47 48 #define KCOLLECT_MEMFRE 11 /* amount of free memory, bytes */ 49 #define KCOLLECT_MEMCAC 12 /* amount of almost free memory */ 50 #define KCOLLECT_MEMINA 13 /* amount of inactive memory */ 51 #define KCOLLECT_MEMACT 14 /* amount of active memory */ 52 #define KCOLLECT_MEMWIR 15 /* amount of wired/kernel memory */ 53 54 #define KCOLLECT_SYSCALLS 16 /* system calls */ 55 #define KCOLLECT_NLOOKUP 17 /* path lookups */ 56 57 #define KCOLLECT_INTR 18 /* nominal external interrupts */ 58 #define KCOLLECT_IPI 19 /* inter-cpu interrupts */ 59 #define KCOLLECT_TIMER 20 /* timer interrupts */ 60 61 #define KCOLLECT_DYNAMIC_START 24 /* dynamic entries */ 62 63 #define KCOLLECT_LOAD_FORMAT '2' /* N.NN (modulo 100) */ 64 #define KCOLLECT_USERPCT_FORMAT 'p' /* percentage of single cpu x 100 */ 65 #define KCOLLECT_SYSTPCT_FORMAT 'p' /* percentage of single cpu x 100 */ 66 #define KCOLLECT_IDLEPCT_FORMAT 'p' /* percentage of single cpu x 100 */ 67 68 #define KCOLLECT_SWAPPCT_FORMAT 'p' /* percentage of single cpu x 100 */ 69 #define KCOLLECT_SWAPANO_FORMAT 'm' /* in megabytes (1024*1024) */ 70 #define KCOLLECT_SWAPCAC_FORMAT 'm' /* in megabytes (1024*1024) */ 71 72 #define KCOLLECT_VMFAULT_FORMAT 'c' /* count over period */ 73 #define KCOLLECT_COWFAULT_FORMAT 'c' /* count over period */ 74 #define KCOLLECT_ZFILL_FORMAT 'c' /* count over period */ 75 76 #define KCOLLECT_MEMFRE_FORMAT 'b' /* total bytes (not pages) */ 77 #define KCOLLECT_MEMCAC_FORMAT 'b' /* total bytes (not pages) */ 78 #define KCOLLECT_MEMINA_FORMAT 'b' /* total bytes (not pages) */ 79 #define KCOLLECT_MEMACT_FORMAT 'b' /* total bytes (not pages) */ 80 #define KCOLLECT_MEMWIR_FORMAT 'b' /* total bytes (not pages) */ 81 82 #define KCOLLECT_SYSCALLS_FORMAT 'c' /* count over period */ 83 #define KCOLLECT_NLOOKUP_FORMAT 'c' /* count over period */ 84 #define KCOLLECT_INTR_FORMAT 'c' /* count over period */ 85 #define KCOLLECT_IPI_FORMAT 'c' /* count over period */ 86 #define KCOLLECT_TIMER_FORMAT 'c' /* count over period */ 87 88 #define KCOLLECT_SCALE(fmt, scale) ((fmt) | ((uint64_t)(scale) << 8)) 89 #define KCOLLECT_GETFMT(scale) ((char)(scale)) 90 #define KCOLLECT_GETSCALE(scale) ((scale) >> 8) 91 92 #define KCOLLECT_INTERVAL 10 /* in seconds */ 93 94 #ifdef _KERNEL 95 96 typedef uint64_t (*kcallback_t)(int n); 97 98 int kcollect_register(int which, const char *id, 99 kcallback_t func, uint64_t scale); 100 void kcollect_unregister(int n); 101 void kcollect_setvalue(int n, uint64_t value); 102 void kcollect_setscale(int n, uint64_t value); 103 104 #endif 105 106 #endif 107