perf/util/evswitch.h

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 // Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
0003 #ifndef __PERF_EVSWITCH_H
0004 #define __PERF_EVSWITCH_H 1
0005
0006 #include <stdbool.h>
0007 #include <stdio.h>
0008
0009 struct evsel;
0010 struct evlist;
0011
0012 struct evswitch {
0013     struct evsel *on, *off;
0014     const char   *on_name, *off_name;
0015     bool         discarding;
0016     bool         show_on_off_events;
0017 };
0018
0019 int evswitch__init(struct evswitch *evswitch, struct evlist *evlist, FILE *fp);
0020
0021 bool evswitch__discard(struct evswitch *evswitch, struct evsel *evsel);
0022
0023 #define OPTS_EVSWITCH(evswitch)                               \
0024     OPT_STRING(0, "switch-on", &(evswitch)->on_name,                  \
0025            "event", "Consider events after the ocurrence of this event"),     \
0026     OPT_STRING(0, "switch-off", &(evswitch)->off_name,                \
0027            "event", "Stop considering events after the ocurrence of this event"), \
0028     OPT_BOOLEAN(0, "show-on-off-events", &(evswitch)->show_on_off_events,         \
0029             "Show the on/off switch events, used with --switch-on and --switch-off")
0030
0031 #endif /* __PERF_EVSWITCH_H */