mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
c91928a8d5
Set pmu->auxtrace on ARM/ARM64 AUX area PMUs. evsel__is_aux_event() needs the setting to identify AUX area tracing selected events. Currently, the features that use evsel__is_aux_event() are used only by Intel PT, but that may change in the future. Reviewed-by: Andi Kleen <ak@linux.intel.com> Reviewed-by: Leo Yan <leo.yan@arm.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Hendrik Brueckner <brueckner@linux.ibm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Cc: Yicong Yang <yangyicong@hisilicon.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20240715160712.127117-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright(C) 2015 Linaro Limited. All rights reserved.
|
|
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <linux/coresight-pmu.h>
|
|
#include <linux/perf_event.h>
|
|
#include <linux/string.h>
|
|
|
|
#include "arm-spe.h"
|
|
#include "hisi-ptt.h"
|
|
#include "../../../util/cpumap.h"
|
|
#include "../../../util/pmu.h"
|
|
#include "../../../util/cs-etm.h"
|
|
#include "../../arm64/util/mem-events.h"
|
|
|
|
void perf_pmu__arch_init(struct perf_pmu *pmu)
|
|
{
|
|
struct perf_cpu_map *intersect;
|
|
|
|
#ifdef HAVE_AUXTRACE_SUPPORT
|
|
if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
|
|
/* add ETM default config here */
|
|
pmu->auxtrace = true;
|
|
pmu->selectable = true;
|
|
pmu->perf_event_attr_init_default = cs_etm_get_default_config;
|
|
#if defined(__aarch64__)
|
|
} else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
|
|
pmu->auxtrace = true;
|
|
pmu->selectable = true;
|
|
pmu->is_uncore = false;
|
|
pmu->perf_event_attr_init_default = arm_spe_pmu_default_config;
|
|
if (strstarts(pmu->name, "arm_spe_"))
|
|
pmu->mem_events = perf_mem_events_arm;
|
|
} else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
|
|
pmu->auxtrace = true;
|
|
pmu->selectable = true;
|
|
#endif
|
|
}
|
|
#endif
|
|
/* Workaround some ARM PMU's failing to correctly set CPU maps for online processors. */
|
|
intersect = perf_cpu_map__intersect(cpu_map__online(), pmu->cpus);
|
|
perf_cpu_map__put(pmu->cpus);
|
|
pmu->cpus = intersect;
|
|
}
|