From: Andrew Murray <andrew.murray@arm.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Will Deacon <will.deacon@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>,
x86@kernel.org
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-alpha@vger.kernel.org
Subject: [PATCH 09/10] drivers/perf: perf/core: generalise event exclusion checking with perf macro
Date: Fri, 16 Nov 2018 10:24:12 +0000 [thread overview]
Message-ID: <1542363853-13849-10-git-send-email-andrew.murray@arm.com> (raw)
In-Reply-To: <1542363853-13849-1-git-send-email-andrew.murray@arm.com>
Replace checking of perf event exclusion flags with perf macro.
This is a functional change as exclude_host and exclude_guest are added
in the following files:
- drivers/perf/qcom_l2_pmu.c
- drivers/perf/qcom_l3_pmu.c
- drivers/perf/arm_pmu.c
And exclude_idle and exclude_hv are added in these files:
- drivers/perf/xgene_pmu.c
Signed-off-by: Andrew Murray <andrew.murray@arm.com>
---
drivers/perf/arm-cci.c | 7 +------
drivers/perf/arm-ccn.c | 5 +----
drivers/perf/arm_dsu_pmu.c | 7 +------
drivers/perf/arm_pmu.c | 9 +--------
drivers/perf/hisilicon/hisi_uncore_pmu.c | 7 +------
drivers/perf/qcom_l2_pmu.c | 3 +--
drivers/perf/qcom_l3_pmu.c | 3 +--
drivers/perf/xgene_pmu.c | 3 +--
8 files changed, 8 insertions(+), 36 deletions(-)
diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c
index 1bfeb16..d749f19 100644
--- a/drivers/perf/arm-cci.c
+++ b/drivers/perf/arm-cci.c
@@ -1328,12 +1328,7 @@ static int cci_pmu_event_init(struct perf_event *event)
return -EOPNOTSUPP;
/* We have no filtering of any kind */
- if (event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle ||
- event->attr.exclude_host ||
- event->attr.exclude_guest)
+ if (event_has_exclude_flags(event))
return -EINVAL;
/*
diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c
index 7dd850e..9a22a95 100644
--- a/drivers/perf/arm-ccn.c
+++ b/drivers/perf/arm-ccn.c
@@ -741,10 +741,7 @@ static int arm_ccn_pmu_event_init(struct perf_event *event)
return -EOPNOTSUPP;
}
- if (has_branch_stack(event) || event->attr.exclude_user ||
- event->attr.exclude_kernel || event->attr.exclude_hv ||
- event->attr.exclude_idle || event->attr.exclude_host ||
- event->attr.exclude_guest) {
+ if (has_branch_stack(event) || event_has_exclude_flags(event)) {
dev_dbg(ccn->dev, "Can't exclude execution levels!\n");
return -EINVAL;
}
diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 660cb8a..300ff3d 100644
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -563,12 +563,7 @@ static int dsu_pmu_event_init(struct perf_event *event)
}
if (has_branch_stack(event) ||
- event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle ||
- event->attr.exclude_host ||
- event->attr.exclude_guest) {
+ event_has_exclude_flags(event)) {
dev_dbg(dsu_pmu->pmu.dev, "Can't support filtering\n");
return -EINVAL;
}
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 7f01f6f..a03634f 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -357,13 +357,6 @@ static irqreturn_t armpmu_dispatch_irq(int irq, void *dev)
}
static int
-event_requires_mode_exclusion(struct perf_event_attr *attr)
-{
- return attr->exclude_idle || attr->exclude_user ||
- attr->exclude_kernel || attr->exclude_hv;
-}
-
-static int
__hw_perf_event_init(struct perf_event *event)
{
struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
@@ -395,7 +388,7 @@ __hw_perf_event_init(struct perf_event *event)
*/
if ((!armpmu->set_event_filter ||
armpmu->set_event_filter(hwc, &event->attr)) &&
- event_requires_mode_exclusion(&event->attr)) {
+ event_has_exclude_flags(event)) {
pr_debug("ARM performance counters do not support "
"mode exclusion\n");
return -EOPNOTSUPP;
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
index 9efd241..d3edff9 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
@@ -143,12 +143,7 @@ int hisi_uncore_pmu_event_init(struct perf_event *event)
return -EOPNOTSUPP;
/* counters do not have these bits */
- if (event->attr.exclude_user ||
- event->attr.exclude_kernel ||
- event->attr.exclude_host ||
- event->attr.exclude_guest ||
- event->attr.exclude_hv ||
- event->attr.exclude_idle)
+ if (event_has_exclude_flags(event))
return -EINVAL;
/*
diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c
index 842135c..d7d85a2 100644
--- a/drivers/perf/qcom_l2_pmu.c
+++ b/drivers/perf/qcom_l2_pmu.c
@@ -510,8 +510,7 @@ static int l2_cache_event_init(struct perf_event *event)
}
/* We cannot filter accurately so we just don't allow it. */
- if (event->attr.exclude_user || event->attr.exclude_kernel ||
- event->attr.exclude_hv || event->attr.exclude_idle) {
+ if (event_has_exclude_flags(event)) {
dev_dbg_ratelimited(&l2cache_pmu->pdev->dev,
"Can't exclude execution levels\n");
return -EOPNOTSUPP;
diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c
index 2dc63d6..f27af67 100644
--- a/drivers/perf/qcom_l3_pmu.c
+++ b/drivers/perf/qcom_l3_pmu.c
@@ -497,8 +497,7 @@ static int qcom_l3_cache__event_init(struct perf_event *event)
/*
* There are no per-counter mode filters in the PMU.
*/
- if (event->attr.exclude_user || event->attr.exclude_kernel ||
- event->attr.exclude_hv || event->attr.exclude_idle)
+ if (event_has_exclude_flags(event))
return -EINVAL;
/*
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 0e31f13..1fcd5a0 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -915,8 +915,7 @@ static int xgene_perf_event_init(struct perf_event *event)
return -EINVAL;
/* SOC counters do not have usr/os/guest/host bits */
- if (event->attr.exclude_user || event->attr.exclude_kernel ||
- event->attr.exclude_host || event->attr.exclude_guest)
+ if (event_has_exclude_flags(event))
return -EINVAL;
if (event->cpu < 0)
--
2.7.4
next prev parent reply other threads:[~2018-11-16 10:48 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-16 10:24 [PATCH 00/10] perf/core: Generalise event exclusion checking Andrew Murray
2018-11-16 10:24 ` [PATCH 01/10] perf/core: Add macro to test for event exclusion flags Andrew Murray
2018-11-19 12:58 ` Peter Zijlstra
2018-11-19 16:01 ` Mark Rutland
2018-11-20 11:28 ` Michael Ellerman
2018-11-23 14:32 ` Andrew Murray
2018-11-16 10:24 ` [PATCH 02/10] arm: perf/core: generalise event exclusion checking with perf macro Andrew Murray
2018-11-16 10:24 ` [PATCH 03/10] arm: perf: add additional validation to set_event_filter Andrew Murray
2018-11-16 10:24 ` [PATCH 04/10] powerpc: perf/core: generalise event exclusion checking with perf macro Andrew Murray
2018-11-20 11:21 ` Michael Ellerman
2018-11-16 10:24 ` [PATCH 05/10] powerpc/pmu/fsl: add additional validation to event_init Andrew Murray
2018-11-16 10:24 ` [PATCH 06/10] alpha: perf/core: generalise event exclusion checking with perf macro Andrew Murray
2018-11-16 10:24 ` [PATCH 07/10] x86: " Andrew Murray
2018-11-16 10:24 ` [PATCH 08/10] perf/core: Remove unused perf_flags Andrew Murray
2018-11-16 10:24 ` Andrew Murray [this message]
2018-11-19 16:03 ` [PATCH 09/10] drivers/perf: perf/core: generalise event exclusion checking with perf macro Mark Rutland
2018-11-23 14:31 ` Andrew Murray
2018-11-16 10:24 ` [PATCH 10/10] perf/doc: update design.txt for exclude_{host|guest} flags Andrew Murray
2018-11-20 11:31 ` Michael Ellerman
2018-11-20 13:32 ` Andrew Murray
2018-12-11 11:06 ` Michael Ellerman
2018-12-11 13:59 ` Andrew Murray
2018-12-12 4:48 ` Michael Ellerman
2018-12-12 8:07 ` Christoffer Dall
2018-12-12 17:08 ` Andrew Murray
2018-11-19 13:08 ` [PATCH 00/10] perf/core: Generalise event exclusion checking Peter Zijlstra
2018-11-22 12:21 ` Andrew Murray
2018-11-22 12:26 ` Peter Zijlstra
2018-11-22 12:59 ` Andrew Murray
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