From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>, Peter Anvin <hpa@zytor.com>,
Marc Zyngier <marc.zyngier@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Borislav Petkov <bp@alien8.de>, Chen Yu <yu.c.chen@intel.com>,
Rui Zhang <rui.zhang@intel.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
Christoph Hellwig <hch@lst.de>,
Paolo Bonzini <pbonzini@redhat.com>,
Joerg Roedel <joro@8bytes.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Juergen Gross <jgross@suse.com>, Tony Luck <tony.luck@intel.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
Alok Kataria <akataria@vmware.com>,
Steven Rostedt <rostedt@goodmis.org>,
Arjan van de Ven <arjan@linux.intel.com>
Subject: [patch 39/52] x86/vector: Add tracepoints for vector management
Date: Wed, 13 Sep 2017 23:29:41 +0200 [thread overview]
Message-ID: <20170913213155.357986795@linutronix.de> (raw)
In-Reply-To: <20170913212902.530704676@linutronix.de>
[-- Attachment #1: x86-vector--Add-tracepoints-for-vector-management.patch --]
[-- Type: text/plain, Size: 6696 bytes --]
Add tracepoints for analysing the new vector management
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/trace/irq_vectors.h | 244 +++++++++++++++++++++++++++++++
arch/x86/kernel/apic/vector.c | 2
2 files changed, 246 insertions(+)
--- a/arch/x86/include/asm/trace/irq_vectors.h
+++ b/arch/x86/include/asm/trace/irq_vectors.h
@@ -137,6 +137,250 @@ DEFINE_IRQ_VECTOR_EVENT(deferred_error_a
DEFINE_IRQ_VECTOR_EVENT(thermal_apic);
#endif
+TRACE_EVENT(vector_config,
+
+ TP_PROTO(unsigned int irq, unsigned int vector,
+ unsigned int cpu, unsigned int apicdest),
+
+ TP_ARGS(irq, vector, cpu, apicdest),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( unsigned int, vector )
+ __field( unsigned int, cpu )
+ __field( unsigned int, apicdest )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->vector = vector;
+ __entry->cpu = cpu;
+ __entry->apicdest = apicdest;
+ ),
+
+ TP_printk("irq=%u vector=%u cpu=%u apicdest=0x%08x",
+ __entry->irq, __entry->vector, __entry->cpu,
+ __entry->apicdest)
+);
+
+DECLARE_EVENT_CLASS(vector_mod,
+
+ TP_PROTO(unsigned int irq, unsigned int vector,
+ unsigned int cpu, unsigned int prev_vector,
+ unsigned int prev_cpu),
+
+ TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( unsigned int, vector )
+ __field( unsigned int, cpu )
+ __field( unsigned int, prev_vector )
+ __field( unsigned int, prev_cpu )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->vector = vector;
+ __entry->cpu = cpu;
+ __entry->prev_vector = prev_vector;
+ __entry->prev_cpu = prev_cpu;
+
+ ),
+
+ TP_printk("irq=%u vector=%u cpu=%u prev_vector=%u prev_cpu=%u",
+ __entry->irq, __entry->vector, __entry->cpu,
+ __entry->prev_vector, __entry->prev_cpu)
+);
+
+#define DEFINE_IRQ_VECTOR_MOD_EVENT(name) \
+DEFINE_EVENT_FN(vector_mod, name, \
+ TP_PROTO(unsigned int irq, unsigned int vector, \
+ unsigned int cpu, unsigned int prev_vector, \
+ unsigned int prev_cpu), \
+ TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu), NULL, NULL); \
+
+DEFINE_IRQ_VECTOR_MOD_EVENT(vector_update);
+DEFINE_IRQ_VECTOR_MOD_EVENT(vector_clear);
+
+DECLARE_EVENT_CLASS(vector_reserve,
+
+ TP_PROTO(unsigned int irq, int ret),
+
+ TP_ARGS(irq, ret),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("irq=%u ret=%d", __entry->irq, __entry->ret)
+);
+
+#define DEFINE_IRQ_VECTOR_RESERVE_EVENT(name) \
+DEFINE_EVENT_FN(vector_reserve, name, \
+ TP_PROTO(unsigned int irq, int ret), \
+ TP_ARGS(irq, ret), NULL, NULL); \
+
+DEFINE_IRQ_VECTOR_RESERVE_EVENT(vector_reserve_managed);
+DEFINE_IRQ_VECTOR_RESERVE_EVENT(vector_reserve);
+
+TRACE_EVENT(vector_alloc,
+
+ TP_PROTO(unsigned int irq, unsigned int vector, bool reserved,
+ int ret),
+
+ TP_ARGS(irq, vector, ret, reserved),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( unsigned int, vector )
+ __field( bool, reserved )
+ __field( int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->vector = ret < 0 ? 0 : vector;
+ __entry->reserved = reserved;
+ __entry->ret = ret > 0 ? 0 : ret;
+ ),
+
+ TP_printk("irq=%u vector=%u reserved=%d ret=%d",
+ __entry->irq, __entry->vector,
+ __entry->reserved, __entry->ret)
+);
+
+TRACE_EVENT(vector_alloc_managed,
+
+ TP_PROTO(unsigned int irq, unsigned int vector,
+ int ret),
+
+ TP_ARGS(irq, vector, ret),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( unsigned int, vector )
+ __field( int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->vector = ret < 0 ? 0 : vector;
+ __entry->ret = ret > 0 ? 0 : ret;
+ ),
+
+ TP_printk("irq=%u vector=%u ret=%d",
+ __entry->irq, __entry->vector, __entry->ret)
+);
+
+DECLARE_EVENT_CLASS(vector_activate,
+
+ TP_PROTO(unsigned int irq, bool is_managed, bool can_reserve,
+ bool early),
+
+ TP_ARGS(irq, is_managed, can_reserve, early),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( bool, is_managed )
+ __field( bool, can_reserve )
+ __field( bool, early )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->is_managed = is_managed;
+ __entry->can_reserve = can_reserve;
+ __entry->early = early;
+ ),
+
+ TP_printk("irq=%u is_managed=%d can_reserve=%d early=%d",
+ __entry->irq, __entry->is_managed, __entry->can_reserve,
+ __entry->early)
+);
+
+#define DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(name) \
+DEFINE_EVENT_FN(vector_activate, name, \
+ TP_PROTO(unsigned int irq, bool is_managed, \
+ bool can_reserve, bool early), \
+ TP_ARGS(irq, is_managed, can_reserve, early), NULL, NULL); \
+
+DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(vector_activate);
+DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(vector_deactivate);
+
+TRACE_EVENT(vector_teardown,
+
+ TP_PROTO(unsigned int irq, bool is_managed, bool has_reserved),
+
+ TP_ARGS(irq, is_managed, has_reserved),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( bool, is_managed )
+ __field( bool, has_reserved )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->is_managed = is_managed;
+ __entry->has_reserved = has_reserved;
+ ),
+
+ TP_printk("irq=%u is_managed=%d has_reserved=%d",
+ __entry->irq, __entry->is_managed, __entry->has_reserved)
+);
+
+TRACE_EVENT(vector_setup,
+
+ TP_PROTO(unsigned int irq, bool is_legacy, int ret),
+
+ TP_ARGS(irq, is_legacy, ret),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( bool, is_legacy )
+ __field( int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->is_legacy = is_legacy;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("irq=%u is_legacy=%d ret=%d",
+ __entry->irq, __entry->is_legacy, __entry->ret)
+);
+
+TRACE_EVENT(vector_free_moved,
+
+ TP_PROTO(unsigned int irq, unsigned int vector, bool is_managed),
+
+ TP_ARGS(irq, vector, is_managed),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, irq )
+ __field( unsigned int, vector )
+ __field( bool, is_managed )
+ ),
+
+ TP_fast_assign(
+ __entry->irq = irq;
+ __entry->vector = vector;
+ __entry->is_managed = is_managed;
+ ),
+
+ TP_printk("irq=%u vector=%u is_managed=%d",
+ __entry->irq, __entry->vector, __entry->is_managed)
+);
+
+
#endif /* CONFIG_X86_LOCAL_APIC */
#undef TRACE_INCLUDE_PATH
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -22,6 +22,8 @@
#include <asm/desc.h>
#include <asm/irq_remapping.h>
+#include <asm/trace/irq_vectors.h>
+
struct apic_chip_data {
struct irq_cfg cfg;
unsigned int cpu;
next prev parent reply other threads:[~2017-09-13 21:39 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-13 21:29 [patch 00/52] x86: Rework the " Thomas Gleixner
2017-09-13 21:29 ` [patch 01/52] genirq: Fix cpumask check in __irq_startup_managed() Thomas Gleixner
2017-09-16 18:24 ` [tip:irq/urgent] " tip-bot for Thomas Gleixner
2017-09-13 21:29 ` [patch 02/52] genirq/debugfs: Show debug information for all irq descriptors Thomas Gleixner
2017-09-13 21:29 ` [patch 03/52] genirq/msi: Capture device name for debugfs Thomas Gleixner
2017-09-13 21:29 ` [patch 04/52] irqdomain/debugfs: Provide domain specific debug callback Thomas Gleixner
2017-09-13 21:29 ` [patch 05/52] genirq: Make state consistent for !IRQ_DOMAIN_HIERARCHY Thomas Gleixner
2017-09-13 21:29 ` [patch 06/52] genirq: Set managed shut down flag at init Thomas Gleixner
2017-09-13 21:29 ` [patch 07/52] genirq: Separate activation and startup Thomas Gleixner
2017-09-13 21:29 ` [patch 08/52] genirq/irqdomain: Update irq_domain_ops.activate() signature Thomas Gleixner
2017-09-13 21:29 ` [patch 09/52] genirq/irqdomain: Allow irq_domain_activate_irq() to fail Thomas Gleixner
2017-09-13 21:29 ` [patch 10/52] genirq/irqdomain: Propagate early activation Thomas Gleixner
2017-09-13 21:29 ` [patch 11/52] genirq/irqdomain: Add force reactivation flag to irq domains Thomas Gleixner
2017-09-13 21:29 ` [patch 12/52] genirq: Implement bitmap matrix allocator Thomas Gleixner
2017-09-13 21:29 ` [patch 13/52] genirq/matrix: Add tracepoints Thomas Gleixner
2017-09-13 21:29 ` [patch 14/52] x86/apic: Deinline x2apic functions Thomas Gleixner
2017-09-13 21:29 ` [patch 15/52] x86/apic: Sanitize return value of apic.set_apic_id() Thomas Gleixner
2017-09-13 21:29 ` [patch 16/52] x86/apic: Sanitize return value of check_apicid_used() Thomas Gleixner
2017-09-13 21:29 ` [patch 17/52] x86/apic: Move probe32 specific APIC functions Thomas Gleixner
2017-09-13 21:29 ` [patch 18/52] x86/apic: Move APIC noop specific functions Thomas Gleixner
2017-09-13 21:29 ` [patch 19/52] x86/apic: Sanitize 32/64bit APIC callbacks Thomas Gleixner
2017-09-13 21:29 ` [patch 20/52] x86/apic: Move common " Thomas Gleixner
2017-09-13 21:29 ` [patch 21/52] x86/apic: Reorganize struct apic Thomas Gleixner
2017-09-13 21:29 ` [patch 22/52] x86/apic/x2apic: Simplify cluster management Thomas Gleixner
2017-09-13 21:29 ` [patch 23/52] x86/apic: Get rid of apic->target_cpus Thomas Gleixner
2017-09-13 21:29 ` [patch 24/52] x86/vector: Rename used_vectors to system_vectors Thomas Gleixner
2017-09-13 21:29 ` [patch 25/52] x86/apic: Get rid of multi CPU affinity Thomas Gleixner
2017-09-13 21:29 ` [patch 26/52] x86/ioapic: Remove obsolete post hotplug update Thomas Gleixner
2017-09-13 21:29 ` [patch 27/52] x86/vector: Simplify the CPU hotplug vector update Thomas Gleixner
2017-09-13 21:29 ` [patch 28/52] x86/vector: Cleanup variable names Thomas Gleixner
2017-09-13 21:29 ` [patch 29/52] x86/vector: Store the single CPU targets in apic data Thomas Gleixner
2017-09-13 21:29 ` [patch 30/52] x86/vector: Simplify vector move cleanup Thomas Gleixner
2017-09-13 21:29 ` [patch 31/52] x86/ioapic: Mark legacy vectors at reallocation time Thomas Gleixner
2017-09-13 21:29 ` [patch 32/52] x86/apic: Get rid of the legacy irq data storage Thomas Gleixner
2017-09-13 21:29 ` [patch 33/52] x86/vector: Remove pointless pointer checks Thomas Gleixner
2017-09-13 21:29 ` [patch 34/52] x86/vector: Move helper functions around Thomas Gleixner
2017-09-13 21:29 ` [patch 35/52] x86/apic: Add replacement for cpu_mask_to_apicid() Thomas Gleixner
2017-09-13 21:29 ` [patch 36/52] x86/irq/vector: Initialize matrix allocator Thomas Gleixner
2017-09-13 21:29 ` [patch 37/52] x86/vector: Add vector domain debugfs support Thomas Gleixner
2017-09-13 21:29 ` [patch 38/52] x86/smpboot: Set online before setting up vectors Thomas Gleixner
2017-09-13 21:29 ` Thomas Gleixner [this message]
2017-09-13 21:29 ` [patch 40/52] x86/vector: Use matrix allocator for vector assignment Thomas Gleixner
2017-09-13 21:29 ` [patch 41/52] x86/apic: Remove unused callbacks Thomas Gleixner
2017-09-13 21:29 ` [patch 42/52] x86/vector: Compile SMP only code conditionally Thomas Gleixner
2017-09-13 21:29 ` [patch 43/52] x86/vector: Untangle internal state from irq_cfg Thomas Gleixner
2017-09-13 21:29 ` [patch 44/52] x86/apic/msi: Force reactivation of interrupts at startup time Thomas Gleixner
2017-09-13 21:29 ` [patch 45/52] iommu/vt-d: Reevaluate vector configuration on activate() Thomas Gleixner
2017-09-13 21:29 ` [patch 46/52] iommu/amd: " Thomas Gleixner
2017-09-13 21:29 ` [patch 47/52] x86/io_apic: " Thomas Gleixner
2017-09-13 21:29 ` [patch 48/52] x86/vector: Handle managed interrupts proper Thomas Gleixner
2017-09-13 21:29 ` [patch 49/52] x86/vector/msi: Switch to global reservation mode Thomas Gleixner
2017-09-13 21:29 ` [patch 50/52] x86/vector: Switch IOAPIC " Thomas Gleixner
2017-09-13 21:29 ` [patch 51/52] x86/irq: Simplify hotplug vector accounting Thomas Gleixner
2017-09-13 21:29 ` [patch 52/52] x86/vector: Respect affinity mask in irq descriptor Thomas Gleixner
2017-09-14 11:21 ` [patch 00/52] x86: Rework the vector management Juergen Gross
2017-09-20 10:21 ` Paolo Bonzini
2017-09-19 9:12 ` Yu Chen
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