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| author | David Hildenbrand <david@redhat.com> | 2018-10-05 11:20:24 +0200 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2018-10-24 06:44:59 -0300 |
| commit | 005feccf626ad2078e27d831173c88f29832d99e (patch) | |
| tree | 34ffb74f71610c7f047bad9c4280eea284c954c1 /hw | |
| parent | 8288590d230c31e891965c30fa579ba3ac0f4c80 (diff) | |
| download | qemu-005feccf626ad2078e27d831173c88f29832d99e.zip qemu-005feccf626ad2078e27d831173c88f29832d99e.tar.gz qemu-005feccf626ad2078e27d831173c88f29832d99e.tar.bz2 | |
memory-device: trace when pre_plugging/plugging/unplugging
Let's trace the address and the id of a memory device when
pre_plugging/plugging/unplugging succeeded.
Trace it when pre_plugging as well as when plugging, so we really know
when a specific address is actually used.
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181005092024.14344-17-david@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/mem/memory-device.c | 8 | ||||
| -rw-r--r-- | hw/mem/pc-dimm.c | 8 | ||||
| -rw-r--r-- | hw/mem/trace-events | 5 |
3 files changed, 12 insertions, 9 deletions
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c index 30585d6..7de1ccd 100644 --- a/hw/mem/memory-device.c +++ b/hw/mem/memory-device.c @@ -17,6 +17,7 @@ #include "qemu/range.h" #include "hw/virtio/vhost.h" #include "sysemu/kvm.h" +#include "trace.h" static gint memory_device_addr_sort(gconstpointer a, gconstpointer b) { @@ -269,6 +270,10 @@ void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms, goto out; } mdc->set_addr(md, addr, &local_err); + if (!local_err) { + trace_memory_device_pre_plug(DEVICE(md)->id ? DEVICE(md)->id : "", + addr); + } out: error_propagate(errp, local_err); } @@ -288,6 +293,7 @@ void memory_device_plug(MemoryDeviceState *md, MachineState *ms) memory_region_add_subregion(&ms->device_memory->mr, addr - ms->device_memory->base, mr); + trace_memory_device_plug(DEVICE(md)->id ? DEVICE(md)->id : "", addr); } void memory_device_unplug(MemoryDeviceState *md, MachineState *ms) @@ -303,6 +309,8 @@ void memory_device_unplug(MemoryDeviceState *md, MachineState *ms) g_assert(ms->device_memory); memory_region_del_subregion(&ms->device_memory->mr, mr); + trace_memory_device_unplug(DEVICE(md)->id ? DEVICE(md)->id : "", + mdc->get_addr(md)); } uint64_t memory_device_get_region_size(const MemoryDeviceState *md, diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c index 6c85413..0c9b9e8 100644 --- a/hw/mem/pc-dimm.c +++ b/hw/mem/pc-dimm.c @@ -33,7 +33,6 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, const uint64_t *legacy_align, Error **errp) { Error *local_err = NULL; - uint64_t addr; int slot; slot = object_property_get_int(OBJECT(dimm), PC_DIMM_SLOT_PROP, @@ -49,13 +48,6 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, legacy_align, &local_err); - if (local_err) { - goto out; - } - - addr = object_property_get_uint(OBJECT(dimm), PC_DIMM_ADDR_PROP, - &error_abort); - trace_mhp_pc_dimm_assigned_address(addr); out: error_propagate(errp, local_err); } diff --git a/hw/mem/trace-events b/hw/mem/trace-events index e150dcc..0f2f278 100644 --- a/hw/mem/trace-events +++ b/hw/mem/trace-events @@ -2,4 +2,7 @@ # hw/mem/pc-dimm.c mhp_pc_dimm_assigned_slot(int slot) "%d" -mhp_pc_dimm_assigned_address(uint64_t addr) "0x%"PRIx64 +# hw/mem/memory-device.c +memory_device_pre_plug(const char *id, uint64_t addr) "id=%s addr=0x%"PRIx64 +memory_device_plug(const char *id, uint64_t addr) "id=%s addr=0x%"PRIx64 +memory_device_unplug(const char *id, uint64_t addr) "id=%s addr=0x%"PRIx64 |