diff options
Diffstat (limited to 'sys/sys/vmmeter.h')
| -rw-r--r-- | sys/sys/vmmeter.h | 142 |
1 files changed, 71 insertions, 71 deletions
diff --git a/sys/sys/vmmeter.h b/sys/sys/vmmeter.h index b5d0ef148dc8..d769258360d8 100644 --- a/sys/sys/vmmeter.h +++ b/sys/sys/vmmeter.h @@ -39,50 +39,84 @@ */ #define MAXSLP 20 +/* Systemwide totals computed every five seconds. */ +struct vmtotal { + int16_t t_rq; /* length of the run queue */ + int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */ + int16_t t_pw; /* jobs in page wait */ + int16_t t_sl; /* jobs sleeping in core */ + int16_t t_sw; /* swapped out runnable/short block jobs */ + int32_t t_vm; /* total virtual memory */ + int32_t t_avm; /* active virtual memory */ + int32_t t_rm; /* total real memory in use */ + int32_t t_arm; /* active real memory */ + int32_t t_vmshr; /* shared virtual memory */ + int32_t t_avmshr; /* active shared virtual memory */ + int32_t t_rmshr; /* shared real memory */ + int32_t t_armshr; /* active shared real memory */ + int32_t t_free; /* free memory pages */ +}; + +#if defined(_KERNEL) || defined(_WANT_VMMETER) +#include <sys/counter.h> + /* * System wide statistics counters. * Locking: * a - locked by atomic operations * c - constant after initialization * f - locked by vm_page_queue_free_mtx - * p - locked by being in the PCPU and atomicity respect to interrupts + * p - uses counter(9) * q - changes are synchronized by the corresponding vm_pagequeue lock */ struct vmmeter { /* * General system activity. */ - u_int v_swtch; /* (p) context switches */ - u_int v_trap; /* (p) calls to trap */ - u_int v_syscall; /* (p) calls to syscall() */ - u_int v_intr; /* (p) device interrupts */ - u_int v_soft; /* (p) software interrupts */ + counter_u64_t v_swtch; /* (p) context switches */ + counter_u64_t v_trap; /* (p) calls to trap */ + counter_u64_t v_syscall; /* (p) calls to syscall() */ + counter_u64_t v_intr; /* (p) device interrupts */ + counter_u64_t v_soft; /* (p) software interrupts */ /* * Virtual memory activity. */ - u_int v_vm_faults; /* (p) address memory faults */ - u_int v_io_faults; /* (p) page faults requiring I/O */ - u_int v_cow_faults; /* (p) copy-on-writes faults */ - u_int v_cow_optim; /* (p) optimized copy-on-writes faults */ - u_int v_zfod; /* (p) pages zero filled on demand */ - u_int v_ozfod; /* (p) optimized zero fill pages */ - u_int v_swapin; /* (p) swap pager pageins */ - u_int v_swapout; /* (p) swap pager pageouts */ - u_int v_swappgsin; /* (p) swap pager pages paged in */ - u_int v_swappgsout; /* (p) swap pager pages paged out */ - u_int v_vnodein; /* (p) vnode pager pageins */ - u_int v_vnodeout; /* (p) vnode pager pageouts */ - u_int v_vnodepgsin; /* (p) vnode_pager pages paged in */ - u_int v_vnodepgsout; /* (p) vnode pager pages paged out */ - u_int v_intrans; /* (p) intransit blocking page faults */ - u_int v_reactivated; /* (p) pages reactivated by the pagedaemon */ - u_int v_pdwakeups; /* (p) times daemon has awaken from sleep */ - u_int v_pdpages; /* (p) pages analyzed by daemon */ - u_int v_pdshortfalls; /* (p) page reclamation shortfalls */ - - u_int v_dfree; /* (p) pages freed by daemon */ - u_int v_pfree; /* (p) pages freed by exiting processes */ - u_int v_tfree; /* (p) total pages freed */ + counter_u64_t v_vm_faults; /* (p) address memory faults */ + counter_u64_t v_io_faults; /* (p) page faults requiring I/O */ + counter_u64_t v_cow_faults; /* (p) copy-on-writes faults */ + counter_u64_t v_cow_optim; /* (p) optimized COW faults */ + counter_u64_t v_zfod; /* (p) pages zero filled on demand */ + counter_u64_t v_ozfod; /* (p) optimized zero fill pages */ + counter_u64_t v_swapin; /* (p) swap pager pageins */ + counter_u64_t v_swapout; /* (p) swap pager pageouts */ + counter_u64_t v_swappgsin; /* (p) swap pager pages paged in */ + counter_u64_t v_swappgsout; /* (p) swap pager pages paged out */ + counter_u64_t v_vnodein; /* (p) vnode pager pageins */ + counter_u64_t v_vnodeout; /* (p) vnode pager pageouts */ + counter_u64_t v_vnodepgsin; /* (p) vnode_pager pages paged in */ + counter_u64_t v_vnodepgsout; /* (p) vnode pager pages paged out */ + counter_u64_t v_intrans; /* (p) intransit blocking page faults */ + counter_u64_t v_reactivated; /* (p) reactivated by the pagedaemon */ + counter_u64_t v_pdwakeups; /* (p) times daemon has awaken */ + counter_u64_t v_pdpages; /* (p) pages analyzed by daemon */ + counter_u64_t v_pdshortfalls; /* (p) page reclamation shortfalls */ + + counter_u64_t v_dfree; /* (p) pages freed by daemon */ + counter_u64_t v_pfree; /* (p) pages freed by processes */ + counter_u64_t v_tfree; /* (p) total pages freed */ + /* + * Fork/vfork/rfork activity. + */ + counter_u64_t v_forks; /* (p) fork() calls */ + counter_u64_t v_vforks; /* (p) vfork() calls */ + counter_u64_t v_rforks; /* (p) rfork() calls */ + counter_u64_t v_kthreads; /* (p) fork() calls by kernel */ + counter_u64_t v_forkpages; /* (p) pages affected by fork() */ + counter_u64_t v_vforkpages; /* (p) pages affected by vfork() */ + counter_u64_t v_rforkpages; /* (p) pages affected by rfork() */ + counter_u64_t v_kthreadpages; /* (p) ... and by kernel fork() */ +#define VM_METER_NCOUNTERS \ + (offsetof(struct vmmeter, v_page_size) / sizeof(counter_u64_t)) /* * Distribution of page usages. */ @@ -100,24 +134,18 @@ struct vmmeter { u_int v_pageout_free_min; /* (c) min pages reserved for kernel */ u_int v_interrupt_free_min; /* (c) reserved pages for int code */ u_int v_free_severe; /* (c) severe page depletion point */ - /* - * Fork/vfork/rfork activity. - */ - u_int v_forks; /* (p) fork() calls */ - u_int v_vforks; /* (p) vfork() calls */ - u_int v_rforks; /* (p) rfork() calls */ - u_int v_kthreads; /* (p) fork() calls by kernel */ - u_int v_forkpages; /* (p) VM pages affected by fork() */ - u_int v_vforkpages; /* (p) VM pages affected by vfork() */ - u_int v_rforkpages; /* (p) VM pages affected by rfork() */ - u_int v_kthreadpages; /* (p) VM pages affected by fork() by kernel */ }; +#endif /* _KERNEL || _WANT_VMMETER */ + #ifdef _KERNEL extern struct vmmeter vm_cnt; - extern u_int vm_pageout_wakeup_thresh; +#define VM_CNT_ADD(var, x) counter_u64_add(vm_cnt.var, x) +#define VM_CNT_INC(var) VM_CNT_ADD(var, 1) +#define VM_CNT_FETCH(var) counter_u64_fetch(vm_cnt.var) + /* * Return TRUE if we are under our severe low-free-pages threshold * @@ -189,33 +217,5 @@ vm_laundry_target(void) return (vm_paging_target()); } - -/* - * Obtain the value of a per-CPU counter. - */ -#define VM_METER_PCPU_CNT(member) \ - vm_meter_cnt(__offsetof(struct vmmeter, member)) - -u_int vm_meter_cnt(size_t); - -#endif - -/* systemwide totals computed every five seconds */ -struct vmtotal { - int16_t t_rq; /* length of the run queue */ - int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */ - int16_t t_pw; /* jobs in page wait */ - int16_t t_sl; /* jobs sleeping in core */ - int16_t t_sw; /* swapped out runnable/short block jobs */ - int32_t t_vm; /* total virtual memory */ - int32_t t_avm; /* active virtual memory */ - int32_t t_rm; /* total real memory in use */ - int32_t t_arm; /* active real memory */ - int32_t t_vmshr; /* shared virtual memory */ - int32_t t_avmshr; /* active shared virtual memory */ - int32_t t_rmshr; /* shared real memory */ - int32_t t_armshr; /* active shared real memory */ - int32_t t_free; /* free memory pages */ -}; - -#endif +#endif /* _KERNEL */ +#endif /* _SYS_VMMETER_H_ */ |