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/*
* Oracle Linux DTrace.
* Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
* Licensed under the Universal Permissive License v 1.0 as shown at
* http://oss.oracle.com/licenses/upl.
*/
#ifndef _DT_AGGREGATE_H
#define _DT_AGGREGATE_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct dt_clear_arg {
dtrace_hdl_t *dtp;
dtrace_aggid_t aid;
} dt_clear_arg_t;
typedef struct dt_aggregate dt_aggregate_t;
#define DT_AGGDATA_COUNTER 0
#define DT_AGGDATA_RECORD 1
/*
* Aggregation functions.
*/
#define DT_AGG_BASE DTRACEACT_AGGREGATION
#define DT_AGG(n) (DT_AGG_BASE + (n))
#define DT_AGG_IDX(n) ((n) - DT_AGG_BASE)
#define DT_AGG_NUM (DT_AGG_IDX(DT_AGG_HIGHEST))
typedef enum dt_aggfid {
DT_AGG_AVG = DT_AGG_BASE,
DT_AGG_COUNT,
DT_AGG_LLQUANTIZE,
DT_AGG_LQUANTIZE,
DT_AGG_MAX,
DT_AGG_MIN,
DT_AGG_QUANTIZE,
DT_AGG_STDDEV,
DT_AGG_SUM,
DT_AGG_HIGHEST
} dt_aggfid_t;
extern int dt_aggregate_init(dtrace_hdl_t *);
extern void dt_aggregate_set_option(dtrace_hdl_t *, uintptr_t);
extern void dt_aggregate_clear_option(dtrace_hdl_t *, uintptr_t);
extern int dt_aggregate_go(dtrace_hdl_t *);
extern int dt_aggregate_clear_one(const dtrace_aggdata_t *, void *);
extern void dt_aggregate_destroy(dtrace_hdl_t *);
#ifdef __cplusplus
}
#endif
#endif /* _DT_AGGREGATE_H */
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