Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263// SPDX-License-Identifier: GPL-2.0-only// Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
#include <errno.h>#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;}