diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-08-02 19:09:21 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-31 15:20:37 +0300 |
| commit | 773b79f7a7c7839fb9d09c0e206734173a8b0a6b (patch) | |
| tree | 8545fadd5e189ed000e7097946dd5f1e24af2f12 /arch/x86/hyperv | |
| parent | 628f54cc6451d2706ba8a56763dbf93be02aaa80 (diff) | |
| download | linux-773b79f7a7c7839fb9d09c0e206734173a8b0a6b.tar.xz | |
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/hyperv')
| -rw-r--r-- | arch/x86/hyperv/mmu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/hyperv/mmu.c b/arch/x86/hyperv/mmu.c index 51b44be03f50..39e7f6e50919 100644 --- a/arch/x86/hyperv/mmu.c +++ b/arch/x86/hyperv/mmu.c @@ -10,6 +10,9 @@ #include <asm/msr.h> #include <asm/tlbflush.h> +#define CREATE_TRACE_POINTS +#include <asm/trace/hyperv.h> + /* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */ struct hv_flush_pcpu { u64 address_space; @@ -103,6 +106,8 @@ static void hyperv_flush_tlb_others(const struct cpumask *cpus, u64 status = U64_MAX; unsigned long flags; + trace_hyperv_mmu_flush_tlb_others(cpus, info); + if (!pcpu_flush || !hv_hypercall_pg) goto do_native; @@ -172,6 +177,8 @@ static void hyperv_flush_tlb_others_ex(const struct cpumask *cpus, u64 status = U64_MAX; unsigned long flags; + trace_hyperv_mmu_flush_tlb_others(cpus, info); + if (!pcpu_flush_ex || !hv_hypercall_pg) goto do_native; |