From 6f0af2643c40b57280796eaa4fe60ce4f678b6dc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Goddard=20Rosa?= Date: Thu, 13 Nov 2014 21:33:02 -0800 Subject: [PATCH] Fix compilation on Linux kernel >= 3.18.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Since kernel commit 8a9522d2fe compilation fails as kvm_age_page tracepoint had its signature changed, so update it accordingly. Tested pointing to kernels: git reset --hard v3.17; make init/version.o git reset --hard v3.18-rc1; make init/version.o Signed-off-by: André Goddard Rosa Signed-off-by: Mathieu Desnoyers --- instrumentation/events/lttng-module/kvm.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) mode change 100644 => 100755 instrumentation/events/lttng-module/kvm.h diff --git a/instrumentation/events/lttng-module/kvm.h b/instrumentation/events/lttng-module/kvm.h old mode 100644 new mode 100755 index c0d42e2..4f95095 --- a/instrumentation/events/lttng-module/kvm.h +++ b/instrumentation/events/lttng-module/kvm.h @@ -232,6 +232,34 @@ LTTNG_TRACEPOINT_EVENT(kvm_fpu, TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol)) ) +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,18,0)) + +LTTNG_TRACEPOINT_EVENT(kvm_age_page, + TP_PROTO(ulong gfn, int level, struct kvm_memory_slot *slot, int ref), + TP_ARGS(gfn, level, slot, ref), + + TP_STRUCT__entry( + __field( u64, hva ) + __field( u64, gfn ) + __field( u8, level ) + __field( u8, referenced ) + ), + + TP_fast_assign( + tp_assign(gfn, gfn) + tp_assign(level, level) + tp_assign(hva, ((gfn - slot->base_gfn) << + PAGE_SHIFT) + slot->userspace_addr) + tp_assign(referenced, ref) + ), + + TP_printk("hva %llx gfn %llx level %u %s", + __entry->hva, __entry->gfn, __entry->level, + __entry->referenced ? "YOUNG" : "OLD") +) + +#else + LTTNG_TRACEPOINT_EVENT(kvm_age_page, TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref), TP_ARGS(hva, slot, ref), @@ -254,6 +282,7 @@ LTTNG_TRACEPOINT_EVENT(kvm_age_page, __entry->referenced ? "YOUNG" : "OLD") ) #endif +#endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))