2 * auxtrace.c: AUX area tracing support
3 * Copyright (c) 2013-2014, Intel Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 #include "../../util/header.h"
20 #include "../../util/debug.h"
21 #include "../../util/pmu.h"
22 #include "../../util/auxtrace.h"
23 #include "../../util/intel-pt.h"
24 #include "../../util/intel-bts.h"
25 #include "../../util/evlist.h"
28 struct auxtrace_record *auxtrace_record__init_intel(struct perf_evlist *evlist,
31 struct perf_pmu *intel_pt_pmu;
32 struct perf_pmu *intel_bts_pmu;
33 struct perf_evsel *evsel;
34 bool found_pt = false;
35 bool found_bts = false;
37 intel_pt_pmu = perf_pmu__find(INTEL_PT_PMU_NAME);
38 intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
41 evlist__for_each_entry(evlist, evsel) {
43 evsel->attr.type == intel_pt_pmu->type)
46 evsel->attr.type == intel_bts_pmu->type)
51 if (found_pt && found_bts) {
52 pr_err("intel_pt and intel_bts may not be used together\n");
58 return intel_pt_recording_init(err);
61 return intel_bts_recording_init(err);
66 struct auxtrace_record *auxtrace_record__init(struct perf_evlist *evlist,
74 ret = get_cpuid(buffer, sizeof(buffer));
80 if (!strncmp(buffer, "GenuineIntel,", 13))
81 return auxtrace_record__init_intel(evlist, err);