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Message-Id: <20231007021326.4156714-2-irogers@google.com>
Date: Fri, 6 Oct 2023 19:13:20 -0700
From: Ian Rogers <irogers@...gle.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
James Clark <james.clark@....com>,
Leo Yan <leo.yan@...aro.org>,
John Garry <john.g.garry@...cle.com>,
Will Deacon <will@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Ian Rogers <irogers@...gle.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Thomas Richter <tmricht@...ux.ibm.com>,
Ravi Bangoria <ravi.bangoria@....com>,
Kajol Jain <kjain@...ux.ibm.com>,
Jing Zhang <renyu.zj@...ux.alibaba.com>,
Kan Liang <kan.liang@...ux.intel.com>,
Yang Jihong <yangjihong1@...wei.com>,
coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/7] perf pmu: Rename perf_pmu__get_default_config to perf_pmu__arch_init
Assign default_config as part of the
init. perf_pmu__get_default_config was doing more than just getting
the default config and so this is intended to better align with the
code.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/arch/arm/util/pmu.c | 8 +++-----
tools/perf/arch/s390/util/pmu.c | 3 +--
tools/perf/arch/x86/util/pmu.c | 5 ++---
tools/perf/util/pmu.c | 14 +++++++-------
tools/perf/util/pmu.h | 2 +-
5 files changed, 14 insertions(+), 18 deletions(-)
diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c
index a9623b128ece..d55d2b15f2e6 100644
--- a/tools/perf/arch/arm/util/pmu.c
+++ b/tools/perf/arch/arm/util/pmu.c
@@ -14,22 +14,20 @@
#include "../../../util/pmu.h"
#include "../../../util/cs-etm.h"
-struct perf_event_attr
-*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
+void perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused)
{
#ifdef HAVE_AUXTRACE_SUPPORT
if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
/* add ETM default config here */
pmu->selectable = true;
- return cs_etm_get_default_config(pmu);
+ pmu->default_config = cs_etm_get_default_config(pmu);
#if defined(__aarch64__)
} else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
- return arm_spe_pmu_default_config(pmu);
+ pmu->default_config = arm_spe_pmu_default_config(pmu);
} else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
pmu->selectable = true;
#endif
}
#endif
- return NULL;
}
diff --git a/tools/perf/arch/s390/util/pmu.c b/tools/perf/arch/s390/util/pmu.c
index 11f03f32e3fd..886c30e001fa 100644
--- a/tools/perf/arch/s390/util/pmu.c
+++ b/tools/perf/arch/s390/util/pmu.c
@@ -13,11 +13,10 @@
#define S390_PMUPAI_EXT "pai_ext"
#define S390_PMUCPUM_CF "cpum_cf"
-struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu)
+void perf_pmu__arch_init(struct perf_pmu *pmu)
{
if (!strcmp(pmu->name, S390_PMUPAI_CRYPTO) ||
!strcmp(pmu->name, S390_PMUPAI_EXT) ||
!strcmp(pmu->name, S390_PMUCPUM_CF))
pmu->selectable = true;
- return NULL;
}
diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c
index 8b53ca468a50..811e2377d2d5 100644
--- a/tools/perf/arch/x86/util/pmu.c
+++ b/tools/perf/arch/x86/util/pmu.c
@@ -17,19 +17,18 @@
#include "../../../util/pmus.h"
#include "env.h"
-struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
+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;
- return intel_pt_pmu_default_config(pmu);
+ pmu->default_config = intel_pt_pmu_default_config(pmu);
}
if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME)) {
pmu->auxtrace = true;
pmu->selectable = true;
}
#endif
- return NULL;
}
int perf_pmus__num_mem_pmus(void)
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 6b1b7f8f00fa..6e95b3d2c2e3 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -954,12 +954,6 @@ void pmu_add_sys_aliases(struct perf_pmu *pmu)
pmu_for_each_sys_event(pmu_add_sys_aliases_iter_fn, pmu);
}
-struct perf_event_attr * __weak
-perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
-{
- return NULL;
-}
-
static char *pmu_find_alias_name(struct perf_pmu *pmu, int dirfd)
{
FILE *file = perf_pmu__open_file_at(pmu, dirfd, "alias");
@@ -991,6 +985,12 @@ static int pmu_max_precise(int dirfd, struct perf_pmu *pmu)
return max_precise;
}
+
+void __weak
+perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused)
+{
+}
+
struct perf_pmu *perf_pmu__lookup(struct list_head *pmus, int dirfd, const char *name)
{
struct perf_pmu *pmu;
@@ -1037,7 +1037,7 @@ struct perf_pmu *perf_pmu__lookup(struct list_head *pmus, int dirfd, const char
pmu_add_sys_aliases(pmu);
list_add_tail(&pmu->list, pmus);
- pmu->default_config = perf_pmu__get_default_config(pmu);
+ perf_pmu__arch_init(pmu);
return pmu;
err:
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 85190d058852..588c64e38d6b 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -233,7 +233,7 @@ bool perf_pmu__file_exists(struct perf_pmu *pmu, const char *name);
int perf_pmu__test(void);
-struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
+void perf_pmu__arch_init(struct perf_pmu *pmu);
void pmu_add_cpu_aliases_table(struct perf_pmu *pmu,
const struct pmu_events_table *table);
--
2.42.0.609.gbb76f46606-goog
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