diff options
Diffstat (limited to 'drivers/staging/zcache/ramster/debug.h')
-rw-r--r-- | drivers/staging/zcache/ramster/debug.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/drivers/staging/zcache/ramster/debug.h b/drivers/staging/zcache/ramster/debug.h new file mode 100644 index 000000000000..5ffab50807d8 --- /dev/null +++ b/drivers/staging/zcache/ramster/debug.h @@ -0,0 +1,145 @@ +#include <linux/bug.h> + +#ifdef CONFIG_RAMSTER_DEBUG + +extern long ramster_flnodes; +static atomic_t ramster_flnodes_atomic = ATOMIC_INIT(0); +static unsigned long ramster_flnodes_max; +static inline void inc_ramster_flnodes(void) +{ + ramster_flnodes = atomic_inc_return(&ramster_flnodes_atomic); + if (ramster_flnodes > ramster_flnodes_max) + ramster_flnodes_max = ramster_flnodes; +} +static inline void dec_ramster_flnodes(void) +{ + ramster_flnodes = atomic_dec_return(&ramster_flnodes_atomic); +} +extern ssize_t ramster_foreign_eph_pages; +static atomic_t ramster_foreign_eph_pages_atomic = ATOMIC_INIT(0); +static ssize_t ramster_foreign_eph_pages_max; +static inline void inc_ramster_foreign_eph_pages(void) +{ + ramster_foreign_eph_pages = atomic_inc_return( + &ramster_foreign_eph_pages_atomic); + if (ramster_foreign_eph_pages > ramster_foreign_eph_pages_max) + ramster_foreign_eph_pages_max = ramster_foreign_eph_pages; +} +static inline void dec_ramster_foreign_eph_pages(void) +{ + ramster_foreign_eph_pages = atomic_dec_return( + &ramster_foreign_eph_pages_atomic); +} +extern ssize_t ramster_foreign_pers_pages; +static atomic_t ramster_foreign_pers_pages_atomic = ATOMIC_INIT(0); +static ssize_t ramster_foreign_pers_pages_max; +static inline void inc_ramster_foreign_pers_pages(void) +{ + ramster_foreign_pers_pages = atomic_inc_return( + &ramster_foreign_pers_pages_atomic); + if (ramster_foreign_pers_pages > ramster_foreign_pers_pages_max) + ramster_foreign_pers_pages_max = ramster_foreign_pers_pages; +} +static inline void dec_ramster_foreign_pers_pages(void) +{ + ramster_foreign_pers_pages = atomic_dec_return( + &ramster_foreign_pers_pages_atomic); +} + +extern ssize_t ramster_eph_pages_remoted; +extern ssize_t ramster_pers_pages_remoted; +extern ssize_t ramster_eph_pages_remote_failed; +extern ssize_t ramster_pers_pages_remote_failed; +extern ssize_t ramster_remote_eph_pages_succ_get; +extern ssize_t ramster_remote_pers_pages_succ_get; +extern ssize_t ramster_remote_eph_pages_unsucc_get; +extern ssize_t ramster_remote_pers_pages_unsucc_get; +extern ssize_t ramster_pers_pages_remote_nomem; +extern ssize_t ramster_remote_objects_flushed; +extern ssize_t ramster_remote_object_flushes_failed; +extern ssize_t ramster_remote_pages_flushed; +extern ssize_t ramster_remote_page_flushes_failed; + +int ramster_debugfs_init(void); + +static inline void inc_ramster_eph_pages_remoted(void) +{ + ramster_eph_pages_remoted++; +}; +static inline void inc_ramster_pers_pages_remoted(void) +{ + ramster_pers_pages_remoted++; +}; +static inline void inc_ramster_eph_pages_remote_failed(void) +{ + ramster_eph_pages_remote_failed++; +}; +static inline void inc_ramster_pers_pages_remote_failed(void) +{ + ramster_pers_pages_remote_failed++; +}; +static inline void inc_ramster_remote_eph_pages_succ_get(void) +{ + ramster_remote_eph_pages_succ_get++; +}; +static inline void inc_ramster_remote_pers_pages_succ_get(void) +{ + ramster_remote_pers_pages_succ_get++; +}; +static inline void inc_ramster_remote_eph_pages_unsucc_get(void) +{ + ramster_remote_eph_pages_unsucc_get++; +}; +static inline void inc_ramster_remote_pers_pages_unsucc_get(void) +{ + ramster_remote_pers_pages_unsucc_get++; +}; +static inline void inc_ramster_pers_pages_remote_nomem(void) +{ + ramster_pers_pages_remote_nomem++; +}; +static inline void inc_ramster_remote_objects_flushed(void) +{ + ramster_remote_objects_flushed++; +}; +static inline void inc_ramster_remote_object_flushes_failed(void) +{ + ramster_remote_object_flushes_failed++; +}; +static inline void inc_ramster_remote_pages_flushed(void) +{ + ramster_remote_pages_flushed++; +}; +static inline void inc_ramster_remote_page_flushes_failed(void) +{ + ramster_remote_page_flushes_failed++; +}; + +#else + +static inline void inc_ramster_flnodes(void) { }; +static inline void dec_ramster_flnodes(void) { }; +static inline void inc_ramster_foreign_eph_pages(void) { }; +static inline void dec_ramster_foreign_eph_pages(void) { }; +static inline void inc_ramster_foreign_pers_pages(void) { }; +static inline void dec_ramster_foreign_pers_pages(void) { }; + +static inline void inc_ramster_eph_pages_remoted(void) { }; +static inline void inc_ramster_pers_pages_remoted(void) { }; +static inline void inc_ramster_eph_pages_remote_failed(void) { }; +static inline void inc_ramster_pers_pages_remote_failed(void) { }; +static inline void inc_ramster_remote_eph_pages_succ_get(void) { }; +static inline void inc_ramster_remote_pers_pages_succ_get(void) { }; +static inline void inc_ramster_remote_eph_pages_unsucc_get(void) { }; +static inline void inc_ramster_remote_pers_pages_unsucc_get(void) { }; +static inline void inc_ramster_pers_pages_remote_nomem(void) { }; +static inline void inc_ramster_remote_objects_flushed(void) { }; +static inline void inc_ramster_remote_object_flushes_failed(void) { }; +static inline void inc_ramster_remote_pages_flushed(void) { }; +static inline void inc_ramster_remote_page_flushes_failed(void) { }; + +static inline int ramster_debugfs_init(void) +{ + return 0; +} +#endif |