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KVM: convert custom marker based tracing to event traces

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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>
This commit is contained in:
Marcelo Tosatti
2009-06-17 09:22:14 -03:00
committed by Avi Kivity
parent 219b65dcf6
commit 229456fc34
10 changed files with 463 additions and 86 deletions
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57
include/trace/events/kvm.h Normal file
View File

@@ -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>