diff options
Diffstat (limited to 'freebsd/sys/sys/racct.h')
-rw-r--r-- | freebsd/sys/sys/racct.h | 112 |
1 files changed, 106 insertions, 6 deletions
diff --git a/freebsd/sys/sys/racct.h b/freebsd/sys/sys/racct.h index 3b34891a..9b8143f2 100644 --- a/freebsd/sys/sys/racct.h +++ b/freebsd/sys/sys/racct.h @@ -37,9 +37,12 @@ #define _RACCT_H_ #include <sys/cdefs.h> -#include <sys/queue.h> #include <sys/types.h> +#include <sys/queue.h> +#include <sys/stdint.h> +#include <sys/sysctl.h> +struct buf; struct proc; struct rctl_rule_link; struct ucred; @@ -69,7 +72,11 @@ struct ucred; #define RACCT_SHMSIZE 18 #define RACCT_WALLCLOCK 19 #define RACCT_PCTCPU 20 -#define RACCT_MAX RACCT_PCTCPU +#define RACCT_READBPS 21 +#define RACCT_WRITEBPS 22 +#define RACCT_READIOPS 23 +#define RACCT_WRITEIOPS 24 +#define RACCT_MAX RACCT_WRITEIOPS /* * Resource properties. @@ -82,17 +89,22 @@ struct ucred; #define RACCT_DECAYING 0x20 extern int racct_types[]; +extern int racct_enable; + +#define ASSERT_RACCT_ENABLED() KASSERT(racct_enable, \ + ("%s called with !racct_enable", __func__)) /* * Amount stored in c_resources[] is 10**6 times bigger than what's * visible to the userland. It gets fixed up when retrieving resource * usage or adding rules. */ -#define RACCT_IS_IN_MILLIONS(X) (racct_types[X] & RACCT_IN_MILLIONS) +#define RACCT_IS_IN_MILLIONS(X) \ + ((X) != RACCT_UNDEFINED && (racct_types[(X)] & RACCT_IN_MILLIONS) != 0) /* * Resource usage can drop, as opposed to only grow. When the process - * terminates, its resource usage is freed from the respective + * terminates, its resource usage is subtracted from the respective * per-credential racct containers. */ #define RACCT_IS_RECLAIMABLE(X) (racct_types[X] & RACCT_RECLAIMABLE) @@ -120,8 +132,7 @@ extern int racct_types[]; * When a process terminates, its resource usage is not automatically * subtracted from per-credential racct containers. Instead, the resource * usage of per-credential racct containers decays in time. - * Resource usage can olso drop for such resource. - * So far, the only such resource is RACCT_PCTCPU. + * Resource usage can also drop for such resource. */ #define RACCT_IS_DECAYING(X) (racct_types[X] & RACCT_DECAYING) @@ -141,9 +152,20 @@ struct racct { LIST_HEAD(, rctl_rule_link) r_rule_links; }; +SYSCTL_DECL(_kern_racct); + +#ifdef RACCT + +extern struct mtx racct_lock; + +#define RACCT_LOCK() mtx_lock(&racct_lock) +#define RACCT_UNLOCK() mtx_unlock(&racct_lock) +#define RACCT_LOCK_ASSERT() mtx_assert(&racct_lock, MA_OWNED) + int racct_add(struct proc *p, int resource, uint64_t amount); void racct_add_cred(struct ucred *cred, int resource, uint64_t amount); void racct_add_force(struct proc *p, int resource, uint64_t amount); +void racct_add_buf(struct proc *p, const struct buf *bufp, int is_write); int racct_set(struct proc *p, int resource, uint64_t amount); void racct_set_force(struct proc *p, int resource, uint64_t amount); void racct_sub(struct proc *p, int resource, uint64_t amount); @@ -161,5 +183,83 @@ void racct_proc_exit(struct proc *p); void racct_proc_ucred_changed(struct proc *p, struct ucred *oldcred, struct ucred *newcred); void racct_move(struct racct *dest, struct racct *src); +void racct_proc_throttle(struct proc *p, int timeout); + +#else + +static inline int +racct_add(struct proc *p, int resource, uint64_t amount) +{ + + return (0); +} + +static inline void +racct_add_cred(struct ucred *cred, int resource, uint64_t amount) +{ +} + +static inline void +racct_add_force(struct proc *p, int resource, uint64_t amount) +{ +} + +static inline int +racct_set(struct proc *p, int resource, uint64_t amount) +{ + + return (0); +} + +static inline void +racct_set_force(struct proc *p, int resource, uint64_t amount) +{ +} + +static inline void +racct_sub(struct proc *p, int resource, uint64_t amount) +{ +} + +static inline void +racct_sub_cred(struct ucred *cred, int resource, uint64_t amount) +{ +} + +static inline uint64_t +racct_get_limit(struct proc *p, int resource) +{ + + return (UINT64_MAX); +} + +static inline uint64_t +racct_get_available(struct proc *p, int resource) +{ + + return (UINT64_MAX); +} + +#define racct_create(x) +#define racct_destroy(x) + +static inline int +racct_proc_fork(struct proc *parent, struct proc *child) +{ + + return (0); +} + +static inline void +racct_proc_fork_done(struct proc *child) +{ +} + +static inline void +racct_proc_exit(struct proc *p) +{ +} + +#endif #endif /* !_RACCT_H_ */ |