From: "tip-bot2 for Kan Liang" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>,
Kan Liang <kan.liang@linux.intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: perf/core] perf/x86: Hybrid PMU support for hardware cache event
Date: Tue, 20 Apr 2021 10:46:47 -0000 [thread overview]
Message-ID: <161891560719.29796.6182339486933075554.tip-bot2@tip-bot2> (raw)
In-Reply-To: <1618237865-33448-9-git-send-email-kan.liang@linux.intel.com>
The following commit has been merged into the perf/core branch of tip:
Commit-ID: 0d18f2dfead8dd63bf1186c9ef38528d6a615a55
Gitweb: https://git.kernel.org/tip/0d18f2dfead8dd63bf1186c9ef38528d6a615a55
Author: Kan Liang <kan.liang@linux.intel.com>
AuthorDate: Mon, 12 Apr 2021 07:30:48 -07:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Mon, 19 Apr 2021 20:03:25 +02:00
perf/x86: Hybrid PMU support for hardware cache event
The hardware cache events are different among hybrid PMUs. Each hybrid
PMU should have its own hw cache event table.
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/1618237865-33448-9-git-send-email-kan.liang@linux.intel.com
---
arch/x86/events/core.c | 5 ++---
arch/x86/events/perf_event.h | 9 +++++++++
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 1aeb31c..e8cb892 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -376,8 +376,7 @@ set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event *event)
return -EINVAL;
cache_result = array_index_nospec(cache_result, PERF_COUNT_HW_CACHE_RESULT_MAX);
- val = hw_cache_event_ids[cache_type][cache_op][cache_result];
-
+ val = hybrid_var(event->pmu, hw_cache_event_ids)[cache_type][cache_op][cache_result];
if (val == 0)
return -ENOENT;
@@ -385,7 +384,7 @@ set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event *event)
return -EINVAL;
hwc->config |= val;
- attr->config1 = hw_cache_extra_regs[cache_type][cache_op][cache_result];
+ attr->config1 = hybrid_var(event->pmu, hw_cache_extra_regs)[cache_type][cache_op][cache_result];
return x86_pmu_extra_regs(val, event);
}
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 2688e45..b65cf46 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -639,6 +639,15 @@ struct x86_hybrid_pmu {
int num_counters;
int num_counters_fixed;
struct event_constraint unconstrained;
+
+ u64 hw_cache_event_ids
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX];
+ u64 hw_cache_extra_regs
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX];
};
static __always_inline struct x86_hybrid_pmu *hybrid_pmu(struct pmu *pmu)
next prev parent reply other threads:[~2021-04-20 10:47 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 14:30 [PATCH V6 00/25] Add Alder Lake support for perf (kernel) kan.liang
2021-04-12 14:30 ` [PATCH V6 01/25] x86/cpufeatures: Enumerate Intel Hybrid Technology feature bit kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Ricardo Neri
2021-04-12 14:30 ` [PATCH V6 02/25] x86/cpu: Add helper function to get the type of the current hybrid CPU kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Ricardo Neri
2023-05-05 16:42 ` Dave Hansen
2023-05-10 18:18 ` Ricardo Neri
2023-05-10 18:33 ` Dave Hansen
2023-05-10 19:15 ` Luck, Tony
2023-05-10 23:56 ` Ricardo Neri
2021-04-12 14:30 ` [PATCH V6 03/25] perf/x86: Track pmu in per-CPU cpu_hw_events kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 04/25] perf/x86/intel: Hybrid PMU support for perf capabilities kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 05/25] perf/x86: Hybrid PMU support for intel_ctrl kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 06/25] perf/x86: Hybrid PMU support for counters kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 07/25] perf/x86: Hybrid PMU support for unconstrained kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 08/25] perf/x86: Hybrid PMU support for hardware cache event kan.liang
2021-04-20 10:46 ` tip-bot2 for Kan Liang [this message]
2021-04-12 14:30 ` [PATCH V6 09/25] perf/x86: Hybrid PMU support for event constraints kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 10/25] perf/x86: Hybrid PMU support for extra_regs kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 11/25] perf/x86/intel: Factor out intel_pmu_check_num_counters kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 12/25] perf/x86/intel: Factor out intel_pmu_check_event_constraints kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 13/25] perf/x86/intel: Factor out intel_pmu_check_extra_regs kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 14/25] perf/x86: Remove temporary pmu assignment in event_init kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 15/25] perf/x86: Factor out x86_pmu_show_pmu_cap kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 16/25] perf/x86: Register hybrid PMUs kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 17/25] perf/x86: Add structures for the attributes of Hybrid PMUs kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 18/25] perf/x86/intel: Add attr_update for " kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:30 ` [PATCH V6 19/25] perf/x86: Support filter_match callback kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:31 ` [PATCH V6 20/25] perf/x86/intel: Add Alder Lake Hybrid support kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:31 ` [PATCH V6 21/25] perf: Extend PERF_TYPE_HARDWARE and PERF_TYPE_HW_CACHE kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:31 ` [PATCH V6 22/25] perf/x86/intel/uncore: Add Alder Lake support kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:31 ` [PATCH V6 23/25] perf/x86/msr: Add Alder Lake CPU support kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:31 ` [PATCH V6 24/25] perf/x86/cstate: " kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Kan Liang
2021-04-12 14:31 ` [PATCH V6 25/25] perf/x86/rapl: Add support for Intel Alder Lake kan.liang
2021-04-20 10:46 ` [tip: perf/core] " tip-bot2 for Zhang Rui
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