44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
|
// 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();
|
||
|
|
}
|