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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-06-17 14:22:14 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 07:32:59 +0200 |
| commit | 229456fc34b1c9031b04f7581e7b755d1cebfe9c (patch) | |
| tree | 85fc0b54e9403d6ea059b8f7f78cea49594aaace /include/trace | |
| parent | KVM: SVM: Improve nested interrupt injection (diff) | |
| download | linux-229456fc34b1c9031b04f7581e7b755d1cebfe9c.tar.xz linux-229456fc34b1c9031b04f7581e7b755d1cebfe9c.zip | |
KVM: convert custom marker based tracing to event traces
This allows use of the powerful ftrace infrastructure.
See Documentation/trace/ for usage information.
[avi, stephen: various build fixes]
[sheng: fix control register breakage]
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/kvm.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h new file mode 100644 index 000000000000..d74b23d803f1 --- /dev/null +++ b/include/trace/events/kvm.h @@ -0,0 +1,57 @@ +#if !defined(_TRACE_KVM_MAIN_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_KVM_MAIN_H + +#include <linux/tracepoint.h> + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM kvm +#define TRACE_INCLUDE_FILE kvm + +#if defined(__KVM_HAVE_IOAPIC) +TRACE_EVENT(kvm_set_irq, + TP_PROTO(unsigned int gsi), + TP_ARGS(gsi), + + TP_STRUCT__entry( + __field( unsigned int, gsi ) + ), + + TP_fast_assign( + __entry->gsi = gsi; + ), + + TP_printk("gsi %u", __entry->gsi) +); + + +#define kvm_irqchips \ + {KVM_IRQCHIP_PIC_MASTER, "PIC master"}, \ + {KVM_IRQCHIP_PIC_SLAVE, "PIC slave"}, \ + {KVM_IRQCHIP_IOAPIC, "IOAPIC"} + +TRACE_EVENT(kvm_ack_irq, + TP_PROTO(unsigned int irqchip, unsigned int pin), + TP_ARGS(irqchip, pin), + + TP_STRUCT__entry( + __field( unsigned int, irqchip ) + __field( unsigned int, pin ) + ), + + TP_fast_assign( + __entry->irqchip = irqchip; + __entry->pin = pin; + ), + + TP_printk("irqchip %s pin %u", + __print_symbolic(__entry->irqchip, kvm_irqchips), + __entry->pin) +); + + + +#endif /* defined(__KVM_HAVE_IOAPIC) */ +#endif /* _TRACE_KVM_MAIN_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |