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[RFC PATCH 12/13] vfio/migration: add some trace-events for vfio migrati
From: |
Lei Rao |
Subject: |
[RFC PATCH 12/13] vfio/migration: add some trace-events for vfio migration plugin |
Date: |
Tue, 24 May 2022 14:18:47 +0800 |
Add some trace-events including trace_vfio_migration_plugin_probe
trace_vfio_plugin_save_buffer, trace_vfio_plugin_load_state_device_data
trace_vfio_update_pending, and trace_vfio_migration_set_state to make
debugging easier.
Signed-off-by: Lei Rao <lei.rao@intel.com>
Reviewed-by: Eddie Dong <eddie.dong@Intel.com>
---
hw/vfio/migration-plugin.c | 10 +++++++---
hw/vfio/trace-events | 3 +++
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/hw/vfio/migration-plugin.c b/hw/vfio/migration-plugin.c
index 63124e1571..c545cbe334 100644
--- a/hw/vfio/migration-plugin.c
+++ b/hw/vfio/migration-plugin.c
@@ -19,6 +19,7 @@
#include "qapi/error.h"
#include "hw/vfio/vfio-migration-plugin.h"
#include "sysemu/sysemu.h"
+#include "trace.h"
#define CHUNK_SIZE (1024 * 1024)
@@ -128,7 +129,7 @@ static int vfio_migration_update_pending_plugin(VFIODevice
*vbasedev)
return ret;
}
migration->pending_bytes = pending_bytes;
-
+ trace_vfio_update_pending(vbasedev->name, pending_bytes);
return 0;
}
@@ -159,7 +160,7 @@ static int vfio_migration_set_state_plugin(VFIODevice
*vbasedev, uint32_t mask,
}
vbasedev->migration->device_state = device_state;
-
+ trace_vfio_migration_set_state(vbasedev->name, device_state);
return 0;
}
@@ -179,6 +180,7 @@ static int vfio_migration_save_buffer_plugin(QEMUFile *f,
VFIODevice *vbasedev,
qemu_put_be64(f, data_size);
tmp_size = data_size;
+ trace_vfio_save_buffer_plugin(vbasedev->name, data_size);
while (tmp_size) {
uint64_t sz = tmp_size <= CHUNK_SIZE ? tmp_size : CHUNK_SIZE;
void *buf = g_try_malloc(sz);
@@ -214,6 +216,7 @@ static int vfio_migration_load_buffer_plugin(QEMUFile *f,
VFIODevice *vbasedev,
int ret = 0;
VFIOMigrationPlugin *plugin = vbasedev->migration->plugin;
+ trace_vfio_load_state_device_data_plugin(vbasedev->name, data_size);
while (data_size) {
uint64_t sz = data_size <= CHUNK_SIZE ? data_size : CHUNK_SIZE;
void *buf = g_try_malloc(sz);
@@ -257,6 +260,7 @@ int vfio_migration_probe_plugin(VFIODevice *vbasedev)
}
migration->ops = &vfio_plugin_method;
-
+ trace_vfio_migration_probe_plugin(vbasedev->name, vbasedev->desc.path,
+ vbasedev->desc.arg);
return 0;
}
diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events
index ca85edeb11..6c2cba29fd 100644
--- a/hw/vfio/trace-events
+++ b/hw/vfio/trace-events
@@ -149,12 +149,14 @@ vfio_display_edid_write_error(void) ""
# migration.c
vfio_migration_probe_local(const char *name, uint32_t index) " (%s) Region %d"
+vfio_migration_probe_plugin(const char *name, const char *path, const char
*arg) " (%s) Plugin path=%s arg=%s"
vfio_migration_set_state(const char *name, uint32_t state) " (%s) state %d"
vfio_vmstate_change(const char *name, int running, const char *reason,
uint32_t dev_state) " (%s) running %d reason %s device state %d"
vfio_migration_state_notifier(const char *name, const char *state) " (%s)
state %s"
vfio_save_setup(const char *name) " (%s)"
vfio_save_cleanup(const char *name) " (%s)"
vfio_save_buffer_local(const char *name, uint64_t data_offset, uint64_t
data_size, uint64_t pending) " (%s) Offset 0x%"PRIx64" size 0x%"PRIx64" pending
0x%"PRIx64
+vfio_save_buffer_plugin(const char *name, uint64_t data_size) " (%s) data size
0x%"PRIx64
vfio_update_pending(const char *name, uint64_t pending) " (%s) pending
0x%"PRIx64
vfio_save_device_config_state(const char *name) " (%s)"
vfio_save_pending(const char *name, uint64_t precopy, uint64_t postcopy,
uint64_t compatible) " (%s) precopy 0x%"PRIx64" postcopy 0x%"PRIx64" compatible
0x%"PRIx64
@@ -163,6 +165,7 @@ vfio_save_complete_precopy(const char *name) " (%s)"
vfio_load_device_config_state(const char *name) " (%s)"
vfio_load_state(const char *name, uint64_t data) " (%s) data 0x%"PRIx64
vfio_load_state_device_data_local(const char *name, uint64_t data_offset,
uint64_t data_size) " (%s) Offset 0x%"PRIx64" size 0x%"PRIx64
+vfio_load_state_device_data_plugin(const char *name, uint64_t data_size) "
(%s) data size 0x%"PRIx64
vfio_load_cleanup(const char *name) " (%s)"
vfio_get_dirty_bitmap(int fd, uint64_t iova, uint64_t size, uint64_t
bitmap_size, uint64_t start) "container fd=%d, iova=0x%"PRIx64" size=
0x%"PRIx64" bitmap_size=0x%"PRIx64" start=0x%"PRIx64
vfio_iommu_map_dirty_notify(uint64_t iova_start, uint64_t iova_end) "iommu
dirty @ 0x%"PRIx64" - 0x%"PRIx64
--
2.32.0
- [RFC PATCH 00/13] Add a plugin to support out-of-band live migration for VFIO pass-through device, Lei Rao, 2022/05/24
- [RFC PATCH 03/13] vfio/migration: move vfio_get_dev_region_info out of vfio_migration_probe, Lei Rao, 2022/05/24
- [RFC PATCH 02/13] vfio/migration: move migration struct allocation out of vfio_migration_init, Lei Rao, 2022/05/24
- [RFC PATCH 04/13] vfio/migration: Separated functions that relate to the In-Band approach, Lei Rao, 2022/05/24
- [RFC PATCH 01/13] vfio/migration: put together checks of migration initialization conditions, Lei Rao, 2022/05/24
- [RFC PATCH 05/13] vfio/migration: rename functions that relate to the In-Band approach, Lei Rao, 2022/05/24
- [RFC PATCH 06/13] vfio/migration: introduce VFIOMigrationOps layer in VFIO live migration framework, Lei Rao, 2022/05/24
- [RFC PATCH 07/13] vfio/migration: move the statistics of bytes_transferred to generic VFIO migration layer, Lei Rao, 2022/05/24
- [RFC PATCH 08/13] vfio/migration: split migration handler registering from vfio_migration_init, Lei Rao, 2022/05/24
- [RFC PATCH 09/13] vfio/migration: move the functions of In-Band approach to a new file, Lei Rao, 2022/05/24
- [RFC PATCH 12/13] vfio/migration: add some trace-events for vfio migration plugin,
Lei Rao <=
- [RFC PATCH 11/13] vfio/migration: add a plugin layer to support out-of-band live migration, Lei Rao, 2022/05/24
- [RFC PATCH 10/13] vfio/pci: introduce command-line parameters to specify migration method, Lei Rao, 2022/05/24
- [RFC PATCH 13/13] vfio/migration: make the region and plugin member of struct VFIOMigration to be a union, Lei Rao, 2022/05/24
- Re: [RFC PATCH 00/13] Add a plugin to support out-of-band live migration for VFIO pass-through device, Alex Williamson, 2022/05/26