diff options
| author | Vitaly Kuznetsov | 2017-08-02 18:09:21 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2017-08-31 14:20:37 +0200 |
| commit | 773b79f7a7c7839fb9d09c0e206734173a8b0a6b (patch) | |
| tree | 8545fadd5e189ed000e7097946dd5f1e24af2f12 /arch/x86/include/asm/trace/hyperv.h | |
| parent | x86/hyper-v: Support extended CPU ranges for TLB flush hypercalls (diff) | |
| download | kernel-qcow2-linux-773b79f7a7c7839fb9d09c0e206734173a8b0a6b.tar.gz kernel-qcow2-linux-773b79f7a7c7839fb9d09c0e206734173a8b0a6b.tar.xz kernel-qcow2-linux-773b79f7a7c7839fb9d09c0e206734173a8b0a6b.zip | |
tracing/hyper-v: Trace hyperv_mmu_flush_tlb_others()
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>
Diffstat (limited to 'arch/x86/include/asm/trace/hyperv.h')
| -rw-r--r-- | arch/x86/include/asm/trace/hyperv.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/x86/include/asm/trace/hyperv.h b/arch/x86/include/asm/trace/hyperv.h new file mode 100644 index 000000000000..4253bca99989 --- /dev/null +++ b/arch/x86/include/asm/trace/hyperv.h @@ -0,0 +1,40 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM hyperv + +#if !defined(_TRACE_HYPERV_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_HYPERV_H + +#include <linux/tracepoint.h> + +#if IS_ENABLED(CONFIG_HYPERV) + +TRACE_EVENT(hyperv_mmu_flush_tlb_others, + TP_PROTO(const struct cpumask *cpus, + const struct flush_tlb_info *info), + TP_ARGS(cpus, info), + TP_STRUCT__entry( + __field(unsigned int, ncpus) + __field(struct mm_struct *, mm) + __field(unsigned long, addr) + __field(unsigned long, end) + ), + TP_fast_assign(__entry->ncpus = cpumask_weight(cpus); + __entry->mm = info->mm; + __entry->addr = info->start; + __entry->end = info->end; + ), + TP_printk("ncpus %d mm %p addr %lx, end %lx", + __entry->ncpus, __entry->mm, + __entry->addr, __entry->end) + ); + +#endif /* CONFIG_HYPERV */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH asm/trace/ +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE hyperv +#endif /* _TRACE_HYPERV_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |