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| author | hunt <hunt> | 2005-06-18 07:24:42 +0000 |
|---|---|---|
| committer | hunt <hunt> | 2005-06-18 07:24:42 +0000 |
| commit | e5d2abb56ca57a613e4ef9398a6499190b2265be (patch) | |
| tree | 083465047d73bc498f2278d2eb3dc8514b455ad3 /runtime/stat.h | |
| parent | ef0e92b0335077884edd5ac9997a203bec1839b0 (diff) | |
| download | systemtap-steved-e5d2abb56ca57a613e4ef9398a6499190b2265be.tar.gz systemtap-steved-e5d2abb56ca57a613e4ef9398a6499190b2265be.tar.xz systemtap-steved-e5d2abb56ca57a613e4ef9398a6499190b2265be.zip | |
2005-06-18 Martin Hunt <hunt@redhat.com>
* counter.c: New file. Counter aggregations.
* stat.c: New file. Stat aggregations.
* stat.h: Header file for stats.
* map-int.c: New file. Support for int64 values.
* map-stat.c: New file. Support for stat values.
* map-str.c: New file. Support for string values.
* map-values.c: Now just includes the necessary map-*.c files.
* stat-common.c: New file. Stats stuff common to Stats and maps
containing stats.
* Doxyfile: Bumped version to 0.6.
* README: Renamed README.doc and reorganized.
Diffstat (limited to 'runtime/stat.h')
| -rw-r--r-- | runtime/stat.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/runtime/stat.h b/runtime/stat.h new file mode 100644 index 00000000..50dfc458 --- /dev/null +++ b/runtime/stat.h @@ -0,0 +1,37 @@ +#ifndef _STAT_H_ /* -*- linux-c -*- */ +#define _STAT_H_ + +#ifndef NEED_STAT_LOCKS +#define NEED_STAT_LOCKS 0 +#endif + +/** histogram type */ +enum histtype { HIST_NONE, HIST_LOG, HIST_LINEAR }; + +/** Statistics are stored in this struct. This is per-cpu or per-node data + and is variable length due to the unknown size of the histogram. */ +struct stat_data { + int64_t count; + int64_t sum; + int64_t min, max; +#if NEED_STAT_LOCKS == 1 + spinlock_t lock; +#endif + int64_t histogram[]; +}; + +typedef struct stat_data stat; + +struct _Stat { + enum histtype hist_type; + int hist_start; + int hist_stop; + int hist_int; + int hist_buckets; + struct stat_data *sd; + struct stat_data *agg; +}; + +typedef struct _Stat *Stat; + +#endif /* _STAT_H_ */ |