diff options
Diffstat (limited to 'lib/libdevstat/devstat.h')
| -rw-r--r-- | lib/libdevstat/devstat.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/libdevstat/devstat.h b/lib/libdevstat/devstat.h index fd0941c..ec638c1 100644 --- a/lib/libdevstat/devstat.h +++ b/lib/libdevstat/devstat.h @@ -33,6 +33,8 @@ #include <sys/cdefs.h> #include <sys/devicestat.h> +#include <kvm.h> + #define DEVSTAT_ERRBUF_SIZE 2048 /* size of the devstat library error string */ extern char devstat_errbuf[]; @@ -44,6 +46,37 @@ typedef enum { DEVSTAT_MATCH_PASS = 0x04 } devstat_match_flags; +typedef enum { + DSM_NONE, + DSM_TOTAL_BYTES, + DSM_TOTAL_BYTES_READ, + DSM_TOTAL_BYTES_WRITE, + DSM_TOTAL_TRANSFERS, + DSM_TOTAL_TRANSFERS_READ, + DSM_TOTAL_TRANSFERS_WRITE, + DSM_TOTAL_TRANSFERS_OTHER, + DSM_TOTAL_BLOCKS, + DSM_TOTAL_BLOCKS_READ, + DSM_TOTAL_BLOCKS_WRITE, + DSM_KB_PER_TRANSFER, + DSM_KB_PER_TRANSFER_READ, + DSM_KB_PER_TRANSFER_WRITE, + DSM_TRANSFERS_PER_SECOND, + DSM_TRANSFERS_PER_SECOND_READ, + DSM_TRANSFERS_PER_SECOND_WRITE, + DSM_TRANSFERS_PER_SECOND_OTHER, + DSM_MB_PER_SECOND, + DSM_MB_PER_SECOND_READ, + DSM_MB_PER_SECOND_WRITE, + DSM_BLOCKS_PER_SECOND, + DSM_BLOCKS_PER_SECOND_READ, + DSM_BLOCKS_PER_SECOND_WRITE, + DSM_MS_PER_TRANSACTION, + DSM_MS_PER_TRANSACTION_READ, + DSM_MS_PER_TRANSACTION_WRITE, + DSM_MAX +} devstat_metric; + struct devstat_match { devstat_match_flags match_fields; devstat_type_flags device_type; @@ -88,6 +121,7 @@ typedef enum { } devstat_select_mode; __BEGIN_DECLS +/* Legacy interfaces. */ int getnumdevs(void); long getgeneration(void); int getversion(void); @@ -110,6 +144,27 @@ int compute_stats(struct devstat *current, struct devstat *previous, long double *blocks_per_second, long double *ms_per_transaction); long double compute_etime(struct timeval cur_time, struct timeval prev_time); + +/* New interfaces. */ +int devstat_getnumdevs(kvm_t *kd); +long devstat_getgeneration(kvm_t *kd); +int devstat_getversion(kvm_t *kd); +int devstat_checkversion(kvm_t *kd); +int devstat_getdevs(kvm_t *kd, struct statinfo *stats); +int devstat_selectdevs(struct device_selection **dev_select, int *num_selected, + int *num_selections, long *select_generation, + long current_generation, struct devstat *devices, + int numdevs, struct devstat_match *matches, + int num_matches, char **dev_selections, + int num_dev_selections, devstat_select_mode select_mode, + int maxshowdevs, int perf_select); +int devstat_buildmatch(char *match_str, struct devstat_match **matches, + int *num_matches); +int devstat_compute_statistics(struct devstat *current, + struct devstat *previous, + long double etime, ...); +long double devstat_compute_etime(struct timeval cur_time, + struct timeval prev_time); __END_DECLS #endif /* _DEVSTAT_H */ |
