From: Yicong Yang <yangyicong@huawei.com>
To: <jonathan.cameron@huawei.com>, <will@kernel.org>,
<mark.rutland@arm.com>, <linux-arm-kernel@lists.infradead.org>
Cc: <yangyicong@hisilicon.com>, <hejunhao3@huawei.com>,
<linuxarm@huawei.com>, <wangyushan12@huawei.com>,
<prime.zeng@hisilicon.com>
Subject: [PATCH v4 07/10] drivers/perf: hisi: Provide a generic implementation of cpumask/identifier
Date: Tue, 3 Dec 2024 20:50:46 +0800 [thread overview]
Message-ID: <20241203125049.39458-8-yangyicong@huawei.com> (raw)
In-Reply-To: <20241203125049.39458-1-yangyicong@huawei.com>
From: Yicong Yang <yangyicong@hisilicon.com>
Each type of HiSilicon Uncore PMU has the following sysfs attributes:
- format: bitmask in perf_event_attr::config[012] of corresponding
attribute
- event: events name and corresponding event code
- cpumask: range of CPUs the events can be opened on
- identifier: the version of this PMU
Different types of PMU have different implementations of the "format"
and "event" but all share the same implementation of the "cpumask"
and "identifier". Thus we can move cpumask and identifier to the
hisi_uncore_pmu framework and drivers can use the generic
implementation.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
---
drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c | 27 +----------
drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c | 31 ++-----------
drivers/perf/hisilicon/hisi_uncore_hha_pmu.c | 31 ++-----------
drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c | 31 ++-----------
drivers/perf/hisilicon/hisi_uncore_pa_pmu.c | 35 +++------------
drivers/perf/hisilicon/hisi_uncore_pmu.c | 45 ++++++++++++++-----
drivers/perf/hisilicon/hisi_uncore_pmu.h | 4 ++
drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c | 27 +----------
drivers/perf/hisilicon/hisi_uncore_uc_pmu.c | 27 +----------
9 files changed, 63 insertions(+), 195 deletions(-)
diff --git a/drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c b/drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c
index c9b5016fafdb..0d6a1683892a 100644
--- a/drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_cpa_pmu.c
@@ -225,34 +225,11 @@ static const struct attribute_group hisi_cpa_pmu_events_group = {
.attrs = hisi_cpa_pmu_events_attr,
};
-static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
-
-static struct attribute *hisi_cpa_pmu_cpumask_attrs[] = {
- &dev_attr_cpumask.attr,
- NULL
-};
-
-static const struct attribute_group hisi_cpa_pmu_cpumask_attr_group = {
- .attrs = hisi_cpa_pmu_cpumask_attrs,
-};
-
-static struct device_attribute hisi_cpa_pmu_identifier_attr =
- __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
-
-static struct attribute *hisi_cpa_pmu_identifier_attrs[] = {
- &hisi_cpa_pmu_identifier_attr.attr,
- NULL
-};
-
-static const struct attribute_group hisi_cpa_pmu_identifier_group = {
- .attrs = hisi_cpa_pmu_identifier_attrs,
-};
-
static const struct attribute_group *hisi_cpa_pmu_attr_groups[] = {
&hisi_cpa_pmu_format_group,
&hisi_cpa_pmu_events_group,
- &hisi_cpa_pmu_cpumask_attr_group,
- &hisi_cpa_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
index 56a4068d6568..fb596f43ef9a 100644
--- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
@@ -380,42 +380,19 @@ static const struct attribute_group hisi_ddrc_pmu_v2_events_group = {
.attrs = hisi_ddrc_pmu_v2_events_attr,
};
-static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
-
-static struct attribute *hisi_ddrc_pmu_cpumask_attrs[] = {
- &dev_attr_cpumask.attr,
- NULL,
-};
-
-static const struct attribute_group hisi_ddrc_pmu_cpumask_attr_group = {
- .attrs = hisi_ddrc_pmu_cpumask_attrs,
-};
-
-static struct device_attribute hisi_ddrc_pmu_identifier_attr =
- __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
-
-static struct attribute *hisi_ddrc_pmu_identifier_attrs[] = {
- &hisi_ddrc_pmu_identifier_attr.attr,
- NULL
-};
-
-static const struct attribute_group hisi_ddrc_pmu_identifier_group = {
- .attrs = hisi_ddrc_pmu_identifier_attrs,
-};
-
static const struct attribute_group *hisi_ddrc_pmu_v1_attr_groups[] = {
&hisi_ddrc_pmu_v1_format_group,
&hisi_ddrc_pmu_v1_events_group,
- &hisi_ddrc_pmu_cpumask_attr_group,
- &hisi_ddrc_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL,
};
static const struct attribute_group *hisi_ddrc_pmu_v2_attr_groups[] = {
&hisi_ddrc_pmu_v2_format_group,
&hisi_ddrc_pmu_v2_events_group,
- &hisi_ddrc_pmu_cpumask_attr_group,
- &hisi_ddrc_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
index e59b31fdc4e4..0a7c44f72ecc 100644
--- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
@@ -405,42 +405,19 @@ static const struct attribute_group hisi_hha_pmu_v2_events_group = {
.attrs = hisi_hha_pmu_v2_events_attr,
};
-static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
-
-static struct attribute *hisi_hha_pmu_cpumask_attrs[] = {
- &dev_attr_cpumask.attr,
- NULL,
-};
-
-static const struct attribute_group hisi_hha_pmu_cpumask_attr_group = {
- .attrs = hisi_hha_pmu_cpumask_attrs,
-};
-
-static struct device_attribute hisi_hha_pmu_identifier_attr =
- __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
-
-static struct attribute *hisi_hha_pmu_identifier_attrs[] = {
- &hisi_hha_pmu_identifier_attr.attr,
- NULL
-};
-
-static const struct attribute_group hisi_hha_pmu_identifier_group = {
- .attrs = hisi_hha_pmu_identifier_attrs,
-};
-
static const struct attribute_group *hisi_hha_pmu_v1_attr_groups[] = {
&hisi_hha_pmu_v1_format_group,
&hisi_hha_pmu_v1_events_group,
- &hisi_hha_pmu_cpumask_attr_group,
- &hisi_hha_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL,
};
static const struct attribute_group *hisi_hha_pmu_v2_attr_groups[] = {
&hisi_hha_pmu_v2_format_group,
&hisi_hha_pmu_v2_events_group,
- &hisi_hha_pmu_cpumask_attr_group,
- &hisi_hha_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
index 290a9e311f48..602d8d0b72f7 100644
--- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
@@ -441,42 +441,19 @@ static const struct attribute_group hisi_l3c_pmu_v2_events_group = {
.attrs = hisi_l3c_pmu_v2_events_attr,
};
-static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
-
-static struct attribute *hisi_l3c_pmu_cpumask_attrs[] = {
- &dev_attr_cpumask.attr,
- NULL,
-};
-
-static const struct attribute_group hisi_l3c_pmu_cpumask_attr_group = {
- .attrs = hisi_l3c_pmu_cpumask_attrs,
-};
-
-static struct device_attribute hisi_l3c_pmu_identifier_attr =
- __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
-
-static struct attribute *hisi_l3c_pmu_identifier_attrs[] = {
- &hisi_l3c_pmu_identifier_attr.attr,
- NULL
-};
-
-static const struct attribute_group hisi_l3c_pmu_identifier_group = {
- .attrs = hisi_l3c_pmu_identifier_attrs,
-};
-
static const struct attribute_group *hisi_l3c_pmu_v1_attr_groups[] = {
&hisi_l3c_pmu_v1_format_group,
&hisi_l3c_pmu_v1_events_group,
- &hisi_l3c_pmu_cpumask_attr_group,
- &hisi_l3c_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL,
};
static const struct attribute_group *hisi_l3c_pmu_v2_attr_groups[] = {
&hisi_l3c_pmu_v2_format_group,
&hisi_l3c_pmu_v2_events_group,
- &hisi_l3c_pmu_cpumask_attr_group,
- &hisi_l3c_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
index d7b525f634b9..bd7640516d17 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pa_pmu.c
@@ -353,29 +353,6 @@ static const struct attribute_group hisi_h60pa_pmu_events_group = {
.attrs = hisi_h60pa_pmu_events_attr,
};
-static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
-
-static struct attribute *hisi_pa_pmu_cpumask_attrs[] = {
- &dev_attr_cpumask.attr,
- NULL
-};
-
-static const struct attribute_group hisi_pa_pmu_cpumask_attr_group = {
- .attrs = hisi_pa_pmu_cpumask_attrs,
-};
-
-static struct device_attribute hisi_pa_pmu_identifier_attr =
- __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
-
-static struct attribute *hisi_pa_pmu_identifier_attrs[] = {
- &hisi_pa_pmu_identifier_attr.attr,
- NULL
-};
-
-static const struct attribute_group hisi_pa_pmu_identifier_group = {
- .attrs = hisi_pa_pmu_identifier_attrs,
-};
-
static struct hisi_pa_pmu_int_regs hisi_pa_pmu_regs = {
.mask_offset = PA_INT_MASK,
.clear_offset = PA_INT_CLEAR,
@@ -385,8 +362,8 @@ static struct hisi_pa_pmu_int_regs hisi_pa_pmu_regs = {
static const struct attribute_group *hisi_pa_pmu_v2_attr_groups[] = {
&hisi_pa_pmu_v2_format_group,
&hisi_pa_pmu_v2_events_group,
- &hisi_pa_pmu_cpumask_attr_group,
- &hisi_pa_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
@@ -399,8 +376,8 @@ static const struct hisi_pmu_dev_info hisi_h32pa_v2 = {
static const struct attribute_group *hisi_pa_pmu_v3_attr_groups[] = {
&hisi_pa_pmu_v2_format_group,
&hisi_pa_pmu_v3_events_group,
- &hisi_pa_pmu_cpumask_attr_group,
- &hisi_pa_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
@@ -419,8 +396,8 @@ static struct hisi_pa_pmu_int_regs hisi_h60pa_pmu_regs = {
static const struct attribute_group *hisi_h60pa_pmu_attr_groups[] = {
&hisi_pa_pmu_v2_format_group,
&hisi_h60pa_pmu_events_group,
- &hisi_pa_pmu_cpumask_attr_group,
- &hisi_pa_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
index 1132822ff97a..339e346e94ee 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
@@ -49,6 +49,41 @@ ssize_t hisi_cpumask_sysfs_show(struct device *dev,
}
EXPORT_SYMBOL_NS_GPL(hisi_cpumask_sysfs_show, HISI_PMU);
+static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
+
+static struct attribute *hisi_pmu_cpumask_attrs[] = {
+ &dev_attr_cpumask.attr,
+ NULL
+};
+
+const struct attribute_group hisi_pmu_cpumask_attr_group = {
+ .attrs = hisi_pmu_cpumask_attrs,
+};
+EXPORT_SYMBOL_NS_GPL(hisi_pmu_cpumask_attr_group, HISI_PMU);
+
+ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev,
+ struct device_attribute *attr,
+ char *page)
+{
+ struct hisi_pmu *hisi_pmu = to_hisi_pmu(dev_get_drvdata(dev));
+
+ return sysfs_emit(page, "0x%08x\n", hisi_pmu->identifier);
+}
+EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_identifier_attr_show, HISI_PMU);
+
+static struct device_attribute hisi_pmu_identifier_attr =
+ __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
+
+static struct attribute *hisi_pmu_identifier_attrs[] = {
+ &hisi_pmu_identifier_attr.attr,
+ NULL
+};
+
+const struct attribute_group hisi_pmu_identifier_group = {
+ .attrs = hisi_pmu_identifier_attrs,
+};
+EXPORT_SYMBOL_NS_GPL(hisi_pmu_identifier_group, HISI_PMU);
+
static bool hisi_validate_event_group(struct perf_event *event)
{
struct perf_event *sibling, *leader = event->group_leader;
@@ -99,16 +134,6 @@ int hisi_uncore_pmu_get_event_idx(struct perf_event *event)
}
EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_get_event_idx, HISI_PMU);
-ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev,
- struct device_attribute *attr,
- char *page)
-{
- struct hisi_pmu *hisi_pmu = to_hisi_pmu(dev_get_drvdata(dev));
-
- return sysfs_emit(page, "0x%08x\n", hisi_pmu->identifier);
-}
-EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_identifier_attr_show, HISI_PMU);
-
static void hisi_uncore_pmu_clear_event_idx(struct hisi_pmu *hisi_pmu, int idx)
{
clear_bit(idx, hisi_pmu->pmu_events.used_mask);
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.h b/drivers/perf/hisilicon/hisi_uncore_pmu.h
index 53b1331b8565..f4fed2544877 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.h
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.h
@@ -137,6 +137,10 @@ struct hisi_pmu {
u32 identifier;
};
+/* Generic implementation of cpumask/identifier group */
+extern const struct attribute_group hisi_pmu_cpumask_attr_group;
+extern const struct attribute_group hisi_pmu_identifier_group;
+
int hisi_uncore_pmu_get_event_idx(struct perf_event *event);
void hisi_uncore_pmu_read(struct perf_event *event);
int hisi_uncore_pmu_add(struct perf_event *event, int flags);
diff --git a/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c
index a342ef3d9916..b55a06f351aa 100644
--- a/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_sllc_pmu.c
@@ -344,34 +344,11 @@ static const struct attribute_group hisi_sllc_pmu_v2_events_group = {
.attrs = hisi_sllc_pmu_v2_events_attr,
};
-static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
-
-static struct attribute *hisi_sllc_pmu_cpumask_attrs[] = {
- &dev_attr_cpumask.attr,
- NULL
-};
-
-static const struct attribute_group hisi_sllc_pmu_cpumask_attr_group = {
- .attrs = hisi_sllc_pmu_cpumask_attrs,
-};
-
-static struct device_attribute hisi_sllc_pmu_identifier_attr =
- __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
-
-static struct attribute *hisi_sllc_pmu_identifier_attrs[] = {
- &hisi_sllc_pmu_identifier_attr.attr,
- NULL
-};
-
-static const struct attribute_group hisi_sllc_pmu_identifier_group = {
- .attrs = hisi_sllc_pmu_identifier_attrs,
-};
-
static const struct attribute_group *hisi_sllc_pmu_v2_attr_groups[] = {
&hisi_sllc_pmu_v2_format_group,
&hisi_sllc_pmu_v2_events_group,
- &hisi_sllc_pmu_cpumask_attr_group,
- &hisi_sllc_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
diff --git a/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c
index 2df8976ab4be..f90f752f32dd 100644
--- a/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_uc_pmu.c
@@ -437,34 +437,11 @@ static const struct attribute_group hisi_uc_pmu_events_group = {
.attrs = hisi_uc_pmu_events_attr,
};
-static DEVICE_ATTR(cpumask, 0444, hisi_cpumask_sysfs_show, NULL);
-
-static struct attribute *hisi_uc_pmu_cpumask_attrs[] = {
- &dev_attr_cpumask.attr,
- NULL,
-};
-
-static const struct attribute_group hisi_uc_pmu_cpumask_attr_group = {
- .attrs = hisi_uc_pmu_cpumask_attrs,
-};
-
-static struct device_attribute hisi_uc_pmu_identifier_attr =
- __ATTR(identifier, 0444, hisi_uncore_pmu_identifier_attr_show, NULL);
-
-static struct attribute *hisi_uc_pmu_identifier_attrs[] = {
- &hisi_uc_pmu_identifier_attr.attr,
- NULL
-};
-
-static const struct attribute_group hisi_uc_pmu_identifier_group = {
- .attrs = hisi_uc_pmu_identifier_attrs,
-};
-
static const struct attribute_group *hisi_uc_pmu_attr_groups[] = {
&hisi_uc_pmu_format_group,
&hisi_uc_pmu_events_group,
- &hisi_uc_pmu_cpumask_attr_group,
- &hisi_uc_pmu_identifier_group,
+ &hisi_pmu_cpumask_attr_group,
+ &hisi_pmu_identifier_group,
NULL
};
--
2.24.0
next prev parent reply other threads:[~2024-12-03 13:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-03 12:50 [PATCH v4 00/10] Refactor the common parts to the HiSilicon Uncore PMU core and cleanups Yicong Yang
2024-12-03 12:50 ` [PATCH v4 01/10] drivers/perf: hisi: Define a symbol namespace for HiSilicon Uncore PMUs Yicong Yang
2024-12-03 12:50 ` [PATCH v4 02/10] drivers/perf: hisi: Don't update the associated_cpus on CPU offline Yicong Yang
2024-12-03 12:50 ` [PATCH v4 03/10] drivers/perf: hisi: Migrate to one online CPU if no associated one online Yicong Yang
2024-12-03 12:50 ` [PATCH v4 04/10] drivers/perf: hisi: Refactor the detection of associated CPUs Yicong Yang
2024-12-03 12:50 ` [PATCH v4 05/10] drivers/perf: hisi: Extract topology information to a separate structure Yicong Yang
2024-12-03 12:50 ` [PATCH v4 06/10] drivers/perf: hisi: Add a common function to retrieve topology from firmware Yicong Yang
2024-12-03 12:50 ` Yicong Yang [this message]
2024-12-03 12:50 ` [PATCH v4 08/10] drivers/perf: hisi: Export associated CPUs of each PMU through sysfs Yicong Yang
2024-12-09 15:48 ` Will Deacon
2024-12-10 10:49 ` Yicong Yang
2024-12-10 11:39 ` Will Deacon
2024-12-10 13:02 ` Yicong Yang
2024-12-03 12:50 ` [PATCH v4 09/10] drivers/perf: hisi: Fix incorrect variable name "hha_pmu" in DDRC PMU driver Yicong Yang
2024-12-03 12:50 ` [PATCH v4 10/10] drivers/perf: hisi: Delete redundant blank line of DDRC PMU Yicong Yang
2024-12-10 12:05 ` [PATCH v4 00/10] Refactor the common parts to the HiSilicon Uncore PMU core and cleanups Will Deacon
2024-12-10 13:04 ` Yicong Yang
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