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| author | Christoffer Dall <christoffer.dall@linaro.org> | 2015-08-30 13:57:20 +0200 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2015-10-22 23:01:48 +0200 |
| commit | e21f09108754dfdfbb30e547f4edbd3b6884eedb (patch) | |
| tree | 48d8d7f3f1f98da55be92d1610562d7b313befb0 /virt/kvm/arm/trace.h | |
| parent | b5905dc12ed4254f7e0aac62bab48f002181f639 (diff) | |
| download | linux-stable-e21f09108754dfdfbb30e547f4edbd3b6884eedb.tar.gz linux-stable-e21f09108754dfdfbb30e547f4edbd3b6884eedb.tar.bz2 linux-stable-e21f09108754dfdfbb30e547f4edbd3b6884eedb.zip | |
arm/arm64: KVM: Add tracepoints for vgic and timer
The VGIC and timer code for KVM arm/arm64 doesn't have any tracepoints
or tracepoint infrastructure defined. Rewriting some of the timer code
handling showed me how much we need this, so let's add these simple
trace points once and for all and we can easily expand with additional
trace points in these files as we go along.
Cc: Wei Huang <wei@redhat.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'virt/kvm/arm/trace.h')
| -rw-r--r-- | virt/kvm/arm/trace.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/virt/kvm/arm/trace.h b/virt/kvm/arm/trace.h new file mode 100644 index 000000000000..37d8b98867d5 --- /dev/null +++ b/virt/kvm/arm/trace.h @@ -0,0 +1,63 @@ +#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_KVM_H + +#include <linux/tracepoint.h> + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM kvm + +/* + * Tracepoints for vgic + */ +TRACE_EVENT(vgic_update_irq_pending, + TP_PROTO(unsigned long vcpu_id, __u32 irq, bool level), + TP_ARGS(vcpu_id, irq, level), + + TP_STRUCT__entry( + __field( unsigned long, vcpu_id ) + __field( __u32, irq ) + __field( bool, level ) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->irq = irq; + __entry->level = level; + ), + + TP_printk("VCPU: %ld, IRQ %d, level: %d", + __entry->vcpu_id, __entry->irq, __entry->level) +); + +/* + * Tracepoints for arch_timer + */ +TRACE_EVENT(kvm_timer_update_irq, + TP_PROTO(unsigned long vcpu_id, __u32 irq, int level), + TP_ARGS(vcpu_id, irq, level), + + TP_STRUCT__entry( + __field( unsigned long, vcpu_id ) + __field( __u32, irq ) + __field( int, level ) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->irq = irq; + __entry->level = level; + ), + + TP_printk("VCPU: %ld, IRQ %d, level %d", + __entry->vcpu_id, __entry->irq, __entry->level) +); + +#endif /* _TRACE_KVM_H */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../../virt/kvm/arm +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + +/* This part must be outside protection */ +#include <trace/define_trace.h> |