From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48187) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V3QCp-00012J-0L for qemu-devel@nongnu.org; Sun, 28 Jul 2013 08:36:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V3QCg-00070o-Hw for qemu-devel@nongnu.org; Sun, 28 Jul 2013 08:36:10 -0400 Received: from mail-wi0-x22b.google.com ([2a00:1450:400c:c05::22b]:34139) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V3QCg-00070g-Bm for qemu-devel@nongnu.org; Sun, 28 Jul 2013 08:36:02 -0400 Received: by mail-wi0-f171.google.com with SMTP id hr7so510672wib.16 for ; Sun, 28 Jul 2013 05:36:00 -0700 (PDT) Received: from playground.station (net-2-39-8-162.cust.dsl.vodafone.it. [2.39.8.162]) by mx.google.com with ESMTPSA id z2sm15938873wiv.11.2013.07.28.05.35.58 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Sun, 28 Jul 2013 05:35:59 -0700 (PDT) Sender: Paolo Bonzini From: Paolo Bonzini Date: Sun, 28 Jul 2013 14:35:53 +0200 Message-Id: <1375014954-31916-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH for-1.6] memory: add tracepoints for MMIO reads/writes List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org This is quite handy to debug softmmu targets. Signed-off-by: Paolo Bonzini --- memory.c | 5 +++++ trace-events | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/memory.c b/memory.c index 1494e95..ac6f3c6 100644 --- a/memory.c +++ b/memory.c @@ -19,6 +19,7 @@ #include "qemu/bitops.h" #include "qom/object.h" #include "sysemu/kvm.h" +#include "trace.h" #include #include "exec/memory-internal.h" @@ -388,6 +389,7 @@ static void memory_region_oldmmio_read_accessor(MemoryRegion *mr, uint64_t tmp; tmp = mr->ops->old_mmio.read[ctz32(size)](mr->opaque, addr); + trace_memory_region_ops_read(mr, addr, tmp, size); *value |= (tmp & mask) << shift; } @@ -404,6 +406,7 @@ static void memory_region_read_accessor(MemoryRegion *mr, qemu_flush_coalesced_mmio_buffer(); } tmp = mr->ops->read(mr->opaque, addr, size); + trace_memory_region_ops_read(mr, addr, tmp, size); *value |= (tmp & mask) << shift; } @@ -417,6 +420,7 @@ static void memory_region_oldmmio_write_accessor(MemoryRegion *mr, uint64_t tmp; tmp = (*value >> shift) & mask; + trace_memory_region_ops_write(mr, addr, tmp, size); mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp); } @@ -433,6 +437,7 @@ static void memory_region_write_accessor(MemoryRegion *mr, qemu_flush_coalesced_mmio_buffer(); } tmp = (*value >> shift) & mask; + trace_memory_region_ops_write(mr, addr, tmp, size); mr->ops->write(mr->opaque, addr, tmp, size); } diff --git a/trace-events b/trace-events index 002df83..3e0dd74 100644 --- a/trace-events +++ b/trace-events @@ -1165,6 +1165,10 @@ kvm_vm_ioctl(int type, void *arg) "type %d, arg %p" kvm_vcpu_ioctl(int cpu_index, int type, void *arg) "cpu_index %d, type %d, arg %p" kvm_run_exit(int cpu_index, uint32_t reason) "cpu_index %d, reason %d" +# memory.c +memory_region_ops_read(void *mr, uint64_t addr, uint64_t value, unsigned size) "mr %p addr %#"PRIx64" value %#"PRIx64" size %d" +memory_region_ops_write(void *mr, uint64_t addr, uint64_t value, unsigned size) "mr %p addr %#"PRIx64" value %#"PRIx64" size %d" + # qom/object.c object_dynamic_cast_assert(const char *type, const char *target, const char *file, int line, const char *func) "%s->%s (%s:%d:%s)" object_class_dynamic_cast_assert(const char *type, const char *target, const char *file, int line, const char *func) "%s->%s (%s:%d:%s)" -- 1.8.1.4