| // SPDX-License-Identifier: GPL-2.0 |
| #include <string.h> |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <dirent.h> |
| #include <fcntl.h> |
| #include <linux/stddef.h> |
| #include <linux/perf_event.h> |
| #include <linux/zalloc.h> |
| #include <api/fs/fs.h> |
| #include <errno.h> |
| |
| #include "../../../util/intel-pt.h" |
| #include "../../../util/intel-bts.h" |
| #include "../../../util/pmu.h" |
| #include "../../../util/fncache.h" |
| #include "../../../util/pmus.h" |
| #include "env.h" |
| |
| void perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused) |
| { |
| #ifdef HAVE_AUXTRACE_SUPPORT |
| if (!strcmp(pmu->name, INTEL_PT_PMU_NAME)) { |
| pmu->auxtrace = true; |
| pmu->selectable = true; |
| pmu->perf_event_attr_init_default = intel_pt_pmu_default_config; |
| } |
| if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME)) { |
| pmu->auxtrace = true; |
| pmu->selectable = true; |
| } |
| #endif |
| } |
| |
| int perf_pmus__num_mem_pmus(void) |
| { |
| /* AMD uses IBS OP pmu and not a core PMU for perf mem/c2c */ |
| if (x86__is_amd_cpu()) |
| return 1; |
| |
| /* Intel uses core pmus for perf mem/c2c */ |
| return perf_pmus__num_core_pmus(); |
| } |