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[Qemu-devel] [PATCH v4 13/13] vfio: Add trace events in migration code p
From: |
Kirti Wankhede |
Subject: |
[Qemu-devel] [PATCH v4 13/13] vfio: Add trace events in migration code path |
Date: |
Thu, 20 Jun 2019 20:07:41 +0530 |
Signed-off-by: Kirti Wankhede <address@hidden>
Reviewed-by: Neo Jia <address@hidden>
---
hw/vfio/migration.c | 26 ++++++++++++++++++++++++++
hw/vfio/trace-events | 18 ++++++++++++++++++
2 files changed, 44 insertions(+)
diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c
index 68775b5dec11..70c03f1a969f 100644
--- a/hw/vfio/migration.c
+++ b/hw/vfio/migration.c
@@ -21,6 +21,7 @@
#include "exec/ramlist.h"
#include "exec/ram_addr.h"
#include "pci.h"
+#include "trace.h"
/*
* Flags used as delimiter:
@@ -104,6 +105,7 @@ static int vfio_migration_set_state(VFIODevice *vbasedev,
uint32_t state)
}
vbasedev->device_state = state;
+ trace_vfio_migration_set_state(vbasedev->name, state);
return 0;
}
@@ -173,6 +175,8 @@ static int vfio_save_buffer(QEMUFile *f, VFIODevice
*vbasedev)
qemu_put_be64(f, data_size);
}
+ trace_vfio_save_buffer(vbasedev->name, data_offset, data_size,
+ migration->pending_bytes);
ret = qemu_file_get_error(f);
return data_size;
@@ -195,6 +199,7 @@ static int vfio_update_pending(VFIODevice *vbasedev)
}
migration->pending_bytes = pending_bytes;
+ trace_vfio_update_pending(vbasedev->name, pending_bytes);
return 0;
}
@@ -209,6 +214,8 @@ static int vfio_save_device_config_state(QEMUFile *f, void
*opaque)
}
qemu_put_be64(f, VFIO_MIG_FLAG_END_OF_STATE);
+ trace_vfio_save_device_config_state(vbasedev->name);
+
return qemu_file_get_error(f);
}
@@ -225,6 +232,7 @@ static int vfio_load_device_config_state(QEMUFile *f, void
*opaque)
return -EINVAL;
}
+ trace_vfio_load_device_config_state(vbasedev->name);
return qemu_file_get_error(f);
}
@@ -343,6 +351,9 @@ void vfio_get_dirty_page_list(VFIODevice *vbasedev,
}
} while (count < pfn_count);
+ trace_vfio_get_dirty_page_list(vbasedev->name, start_pfn, pfn_count,
+ page_size);
+
dpl_unlock:
qemu_mutex_unlock(&migration->lock);
}
@@ -390,6 +401,7 @@ static int vfio_save_setup(QEMUFile *f, void *opaque)
return ret;
}
+ trace_vfio_save_setup(vbasedev->name);
return 0;
}
@@ -401,6 +413,7 @@ static void vfio_save_cleanup(void *opaque)
if (migration->region.buffer.mmaps) {
vfio_region_unmap(&migration->region.buffer);
}
+ trace_vfio_cleanup(vbasedev->name);
}
static void vfio_save_pending(QEMUFile *f, void *opaque,
@@ -424,6 +437,7 @@ static void vfio_save_pending(QEMUFile *f, void *opaque,
*res_postcopy_only += migration->pending_bytes;
}
*res_compatible += 0;
+ trace_vfio_save_pending(vbasedev->name);
}
static int vfio_save_iterate(QEMUFile *f, void *opaque)
@@ -451,6 +465,7 @@ static int vfio_save_iterate(QEMUFile *f, void *opaque)
return ret;
}
+ trace_vfio_save_iterate(vbasedev->name);
return ret;
}
@@ -504,6 +519,8 @@ static int vfio_save_complete_precopy(QEMUFile *f, void
*opaque)
error_report("Failed to set state STOPPED");
return ret;
}
+
+ trace_vfio_save_complete_precopy(vbasedev->name);
return ret;
}
@@ -544,6 +561,9 @@ static int vfio_load_state(QEMUFile *f, void *opaque, int
version_id)
data = qemu_get_be64(f);
while (data != VFIO_MIG_FLAG_END_OF_STATE) {
+
+ trace_vfio_load_state(vbasedev->name, data);
+
switch (data) {
case VFIO_MIG_FLAG_DEV_CONFIG_STATE:
{
@@ -627,6 +647,8 @@ static int vfio_load_state(QEMUFile *f, void *opaque, int
version_id)
return -EINVAL;
}
}
+ trace_vfio_load_state_device_data(vbasedev->name, data_offset,
+ data_size);
break;
}
}
@@ -668,6 +690,7 @@ static void vfio_vmstate_change(void *opaque, int running,
RunState state)
}
vbasedev->vm_running = running;
+ trace_vfio_vmstate_change(vbasedev->name, running);
}
static void vfio_migration_state_notifier(Notifier *notifier, void *data)
@@ -676,6 +699,8 @@ static void vfio_migration_state_notifier(Notifier
*notifier, void *data)
VFIODevice *vbasedev = container_of(notifier, VFIODevice, migration_state);
int ret;
+ trace_vfio_migration_state_notifier(vbasedev->name, s->state);
+
switch (s->state) {
case MIGRATION_STATUS_ACTIVE:
if (vbasedev->device_state & VFIO_DEVICE_STATE_RUNNING) {
@@ -758,6 +783,7 @@ int vfio_migration_probe(VFIODevice *vbasedev, Error **errp)
return ret;
}
} else {
+ trace_vfio_migration_probe(vbasedev->name, info->index);
return vfio_migration_init(vbasedev, info);
}
diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events
index 8cdc27946cb8..b1f19ae7a806 100644
--- a/hw/vfio/trace-events
+++ b/hw/vfio/trace-events
@@ -143,3 +143,21 @@ vfio_display_edid_link_up(void) ""
vfio_display_edid_link_down(void) ""
vfio_display_edid_update(uint32_t prefx, uint32_t prefy) "%ux%u"
vfio_display_edid_write_error(void) ""
+
+# migration.c
+vfio_migration_set_state(char *name, uint32_t state) " (%s) state %d"
+vfio_save_buffer(char *name, uint64_t data_offset, uint64_t data_size,
uint64_t pending) " (%s), Offset 0x%"PRIx64" size 0x%"PRIx64" pending 0x%"PRIx64
+vfio_update_pending(char *name, uint64_t pending) " (%s), pending 0x%"PRIx64
+vfio_save_device_config_state(char *name) " (%s)"
+vfio_load_device_config_state(char *name) " (%s)"
+vfio_get_dirty_page_list(char *name, uint64_t start, uint64_t pfn_count,
uint64_t page_size) " (%s) start 0x%"PRIx64" pfn_count 0x%"PRIx64 " page size
0x%"PRIx64
+vfio_save_setup(char *name) " (%s)"
+vfio_cleanup(char *name) " (%s)"
+vfio_save_pending(char *name) " (%s)"
+vfio_save_iterate(char *name) " (%s)"
+vfio_save_complete_precopy(char *name) " (%s)"
+vfio_load_state(char *name, uint64_t data) " (%s) data 0x%"PRIx64
+vfio_load_state_device_data(char *name, uint64_t data_offset, uint64_t
data_size) " (%s), Offset 0x%"PRIx64" size 0x%"PRIx64
+vfio_vmstate_change(char *name, int running) " (%s) running %d"
+vfio_migration_state_notifier(char *name, int state) " (%s) state %d"
+vfio_migration_probe(char *name, uint32_t index) " (%s) Region %d"
--
2.7.0
- Re: [Qemu-devel] [PATCH v4 08/13] vfio: Add save state functions to SaveVMHandlers, (continued)
Re: [Qemu-devel] [PATCH v4 08/13] vfio: Add save state functions to SaveVMHandlers, Yan Zhao, 2019/06/20
[Qemu-devel] [PATCH v4 09/13] vfio: Add load state functions to SaveVMHandlers, Kirti Wankhede, 2019/06/20
[Qemu-devel] [PATCH v4 10/13] vfio: Add function to get dirty page list, Kirti Wankhede, 2019/06/20
[Qemu-devel] [PATCH v4 11/13] vfio: Add vfio_listerner_log_sync to mark dirty pages, Kirti Wankhede, 2019/06/20
[Qemu-devel] [PATCH v4 12/13] vfio: Make vfio-pci device migration capable., Kirti Wankhede, 2019/06/20
[Qemu-devel] [PATCH v4 13/13] vfio: Add trace events in migration code path,
Kirti Wankhede <=
Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Yan Zhao, 2019/06/20
- Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Yan Zhao, 2019/06/20
- Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Kirti Wankhede, 2019/06/21
- Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Yan Zhao, 2019/06/21
- Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Kirti Wankhede, 2019/06/21
- Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Yan Zhao, 2019/06/21
- Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Dr. David Alan Gilbert, 2019/06/24
- Re: [Qemu-devel] [PATCH v4 00/13] Add migration support for VFIO device, Yan Zhao, 2019/06/25