forked from Minki/linux
773b79f7a7
Add Hyper-V tracing subsystem and trace hyperv_mmu_flush_tlb_others(). Tracing is done the same way we do xen_mmu_flush_tlb_others(). Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Stephen Hemminger <sthemmin@microsoft.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Jork Loeser <Jork.Loeser@microsoft.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Simon Xiao <sixiao@microsoft.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: devel@linuxdriverproject.org Link: http://lkml.kernel.org/r/20170802160921.21791-10-vkuznets@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM hyperv
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#if !defined(_TRACE_HYPERV_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HYPERV_H
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#include <linux/tracepoint.h>
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#if IS_ENABLED(CONFIG_HYPERV)
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TRACE_EVENT(hyperv_mmu_flush_tlb_others,
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TP_PROTO(const struct cpumask *cpus,
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const struct flush_tlb_info *info),
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TP_ARGS(cpus, info),
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TP_STRUCT__entry(
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__field(unsigned int, ncpus)
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__field(struct mm_struct *, mm)
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__field(unsigned long, addr)
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__field(unsigned long, end)
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),
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TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
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__entry->mm = info->mm;
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__entry->addr = info->start;
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__entry->end = info->end;
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),
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TP_printk("ncpus %d mm %p addr %lx, end %lx",
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__entry->ncpus, __entry->mm,
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__entry->addr, __entry->end)
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);
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#endif /* CONFIG_HYPERV */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH asm/trace/
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE hyperv
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#endif /* _TRACE_HYPERV_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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