62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
// Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
|
||
|
|
|
||
|
|
#include "evswitch.h"
|
||
|
|
#include "evlist.h"
|
||
|
|
|
||
|
|
bool evswitch__discard(struct evswitch *evswitch, struct evsel *evsel)
|
||
|
|
{
|
||
|
|
if (evswitch->on && evswitch->discarding) {
|
||
|
|
if (evswitch->on != evsel)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
evswitch->discarding = false;
|
||
|
|
|
||
|
|
if (!evswitch->show_on_off_events)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (evswitch->off && !evswitch->discarding) {
|
||
|
|
if (evswitch->off != evsel)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
evswitch->discarding = true;
|
||
|
|
|
||
|
|
if (!evswitch->show_on_off_events)
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int evswitch__fprintf_enoent(FILE *fp, const char *evtype, const char *evname)
|
||
|
|
{
|
||
|
|
int printed = fprintf(fp, "ERROR: switch-%s event not found (%s)\n", evtype, evname);
|
||
|
|
|
||
|
|
return printed += fprintf(fp, "HINT: use 'perf evlist' to see the available event names\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
int evswitch__init(struct evswitch *evswitch, struct evlist *evlist, FILE *fp)
|
||
|
|
{
|
||
|
|
if (evswitch->on_name) {
|
||
|
|
evswitch->on = evlist__find_evsel_by_str(evlist, evswitch->on_name);
|
||
|
|
if (evswitch->on == NULL) {
|
||
|
|
evswitch__fprintf_enoent(fp, "on", evswitch->on_name);
|
||
|
|
return -ENOENT;
|
||
|
|
}
|
||
|
|
evswitch->discarding = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (evswitch->off_name) {
|
||
|
|
evswitch->off = evlist__find_evsel_by_str(evlist, evswitch->off_name);
|
||
|
|
if (evswitch->off == NULL) {
|
||
|
|
evswitch__fprintf_enoent(fp, "off", evswitch->off_name);
|
||
|
|
return -ENOENT;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|