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