From 94b0b5ff5f5c3ab946fa926d464738edb3713ed4 Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Tue, 16 Nov 2010 12:20:25 +0000 Subject: [PATCH] trace: Trace vm_start()/vm_stop() VM state change notifications are invoked from vm_start()/vm_stop(). Trace these state changes so we can reason about the state of the VM from trace output. Signed-off-by: Stefan Hajnoczi Signed-off-by: Anthony Liguori --- trace-events | 3 +++ vl.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/trace-events b/trace-events index 947f8b08cb..da03d4be12 100644 --- a/trace-events +++ b/trace-events @@ -189,3 +189,6 @@ disable sun4m_iommu_mem_writel_pgflush(uint32_t val) "page flush %x" disable sun4m_iommu_page_get_flags(uint64_t pa, uint64_t iopte, uint32_t ret) "get flags addr %"PRIx64" => pte %"PRIx64", *pte = %x" disable sun4m_iommu_translate_pa(uint64_t addr, uint64_t pa, uint32_t iopte) "xlate dva %"PRIx64" => pa %"PRIx64" iopte = %x" disable sun4m_iommu_bad_addr(uint64_t addr) "bad addr %"PRIx64"" + +# vl.c +disable vm_state_notify(int running, int reason) "running %d reason %d" diff --git a/vl.c b/vl.c index 9ee6479b7c..805e11f5c5 100644 --- a/vl.c +++ b/vl.c @@ -158,6 +158,7 @@ int main(int argc, char **argv) #include "slirp/libslirp.h" +#include "trace.h" #include "qemu-queue.h" #include "cpus.h" #include "arch_init.h" @@ -1074,6 +1075,8 @@ void vm_state_notify(int running, int reason) { VMChangeStateEntry *e; + trace_vm_state_notify(running, reason); + for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { e->cb(e->opaque, running, reason); }