1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Oracle Linux DTrace.
* Copyright (c) 2023, 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_PROVIDER_SDT_H
#define _DT_PROVIDER_SDT_H
#include <sys/dtrace_types.h>
#include <dt_provider.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Probe dependencies
*
* SDT probes are implemented using probes made available by other providers.
* The probe dependency table associates each SDT probe with one or more probe
* specifications (possibly containing wildcards). An optional min and/or max
* kernel version can be specified (assigned using DT_VERSION_NUMBER(x, y, z)).
*/
typedef struct probe_dep {
const char *name; /* probe name */
dtrace_probespec_t spec; /* spec type */
const char *str; /* spec string */
dt_version_t kver_min; /* minimum kernver */
dt_version_t kver_max; /* maximum kernver */
} probe_dep_t;
/*
* Probe signature specifications
*
* This table *must* group the arguments of probes. I.e. the arguments of a
* given probe must be listed in consecutive records.
*
* A single probe entry that mentions only name of the probe indicates a probe
* that provides no arguments.
*/
typedef struct probe_arg {
const char *name; /* name of probe */
int argno; /* argument number */
dt_argdesc_t argdesc; /* argument description */
} probe_arg_t;
extern int dt_sdt_populate(dtrace_hdl_t *dtp, const char *prvname,
const char *modname, const dt_provimpl_t *ops,
const dtrace_pattr_t *pattr,
const probe_arg_t *probe_args,
const probe_dep_t *probes);
extern void dt_sdt_enable(dtrace_hdl_t *dtp, struct dt_probe *prp);
extern int dt_sdt_probe_info(dtrace_hdl_t *dtp, const struct dt_probe *prp,
int *argcp, dt_argdesc_t **argvp);
extern void dt_sdt_destroy(dtrace_hdl_t *dtp, void *datap);
#ifdef __cplusplus
}
#endif
#endif /* _DT_PROVIDER_SDT_H */
|
