diff options
| author | Peter Xu | 2022-07-07 20:55:02 +0200 |
|---|---|---|
| committer | Dr. David Alan Gilbert | 2022-07-20 13:15:08 +0200 |
| commit | 36f62f11e44b8a0a653998da100be307ac98704d (patch) | |
| tree | ca02966b3dfab3f6130de12ceda77a4e63149620 /migration/trace-events | |
| parent | migration: Add postcopy-preempt capability (diff) | |
| download | qemu-36f62f11e44b8a0a653998da100be307ac98704d.tar.gz qemu-36f62f11e44b8a0a653998da100be307ac98704d.tar.xz qemu-36f62f11e44b8a0a653998da100be307ac98704d.zip | |
migration: Postcopy preemption preparation on channel creation
Create a new socket for postcopy to be prepared to send postcopy requested
pages via this specific channel, so as to not get blocked by precopy pages.
A new thread is also created on dest qemu to receive data from this new channel
based on the ram_load_postcopy() routine.
The ram_load_postcopy(POSTCOPY) branch and the thread has not started to
function, and that'll be done in follow up patches.
Cleanup the new sockets on both src/dst QEMUs, meanwhile look after the new
thread too to make sure it'll be recycled properly.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20220707185502.27149-1-peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
dgilbert: With Peter's fix to quieten compiler warning on
start_migration
Diffstat (limited to 'migration/trace-events')
| -rw-r--r-- | migration/trace-events | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/migration/trace-events b/migration/trace-events index 1aec580e92..4bc787cf0c 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -91,7 +91,7 @@ migration_bitmap_clear_dirty(char *str, uint64_t start, uint64_t size, unsigned migration_throttle(void) "" ram_discard_range(const char *rbname, uint64_t start, size_t len) "%s: start: %" PRIx64 " %zx" ram_load_loop(const char *rbname, uint64_t addr, int flags, void *host) "%s: addr: 0x%" PRIx64 " flags: 0x%x host: %p" -ram_load_postcopy_loop(uint64_t addr, int flags) "@%" PRIx64 " %x" +ram_load_postcopy_loop(int channel, uint64_t addr, int flags) "chan=%d addr=0x%" PRIx64 " flags=0x%x" ram_postcopy_send_discard_bitmap(void) "" ram_save_page(const char *rbname, uint64_t offset, void *host) "%s: offset: 0x%" PRIx64 " host: %p" ram_save_queue_pages(const char *rbname, size_t start, size_t len) "%s: start: 0x%zx len: 0x%zx" @@ -278,6 +278,9 @@ postcopy_request_shared_page(const char *sharer, const char *rb, uint64_t rb_off postcopy_request_shared_page_present(const char *sharer, const char *rb, uint64_t rb_offset) "%s already %s offset 0x%"PRIx64 postcopy_wake_shared(uint64_t client_addr, const char *rb) "at 0x%"PRIx64" in %s" postcopy_page_req_del(void *addr, int count) "resolved page req %p total %d" +postcopy_preempt_new_channel(void) "" +postcopy_preempt_thread_entry(void) "" +postcopy_preempt_thread_exit(void) "" get_mem_fault_cpu_index(int cpu, uint32_t pid) "cpu: %d, pid: %u" |