1 /* SPDX-License-Identifier: GPL-2.0 */
3 * dlfilter.h: Interface to perf script --dlfilter shared object
4 * Copyright (c) 2021, Intel Corporation.
7 #ifndef PERF_UTIL_DLFILTER_H
8 #define PERF_UTIL_DLFILTER_H
16 struct perf_dlfilter_fns;
17 struct perf_dlfilter_sample;
18 struct perf_dlfilter_al;
24 struct perf_session *session;
31 union perf_event *event;
32 struct perf_sample *sample;
34 struct machine *machine;
35 struct addr_location *al;
36 struct addr_location *addr_al;
37 struct perf_dlfilter_sample *d_sample;
38 struct perf_dlfilter_al *d_ip_al;
39 struct perf_dlfilter_al *d_addr_al;
41 int (*start)(void **data, void *ctx);
42 int (*stop)(void *data, void *ctx);
44 int (*filter_event)(void *data,
45 const struct perf_dlfilter_sample *sample,
47 int (*filter_event_early)(void *data,
48 const struct perf_dlfilter_sample *sample,
51 struct perf_dlfilter_fns *fns;
54 struct dlfilter *dlfilter__new(const char *file, int dlargc, char **dlargv);
56 int dlfilter__start(struct dlfilter *d, struct perf_session *session);
58 int dlfilter__do_filter_event(struct dlfilter *d,
59 union perf_event *event,
60 struct perf_sample *sample,
62 struct machine *machine,
63 struct addr_location *al,
64 struct addr_location *addr_al,
67 void dlfilter__cleanup(struct dlfilter *d);
69 static inline int dlfilter__filter_event(struct dlfilter *d,
70 union perf_event *event,
71 struct perf_sample *sample,
73 struct machine *machine,
74 struct addr_location *al,
75 struct addr_location *addr_al)
77 if (!d || !d->filter_event)
79 return dlfilter__do_filter_event(d, event, sample, evsel, machine, al, addr_al, false);
82 static inline int dlfilter__filter_event_early(struct dlfilter *d,
83 union perf_event *event,
84 struct perf_sample *sample,
86 struct machine *machine,
87 struct addr_location *al,
88 struct addr_location *addr_al)
90 if (!d || !d->filter_event_early)
92 return dlfilter__do_filter_event(d, event, sample, evsel, machine, al, addr_al, true);
95 int list_available_dlfilters(const struct option *opt, const char *s, int unset);