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Re: [Qemu-devel] [PATCH 5/6] migration: add some multifd traces


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] [PATCH 5/6] migration: add some multifd traces
Date: Wed, 14 Aug 2019 17:23:05 +0100
User-agent: Mutt/1.12.1 (2019-06-15)

* Juan Quintela (address@hidden) wrote:
> Signed-off-by: Juan Quintela <address@hidden>


Reviewed-by: Dr. David Alan Gilbert <address@hidden>

Queued
> ---
>  migration/ram.c        | 3 +++
>  migration/trace-events | 4 ++++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index f1aec95f83..25a211c3fb 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -1173,6 +1173,7 @@ static void *multifd_send_thread(void *opaque)
>  
>  out:
>      if (local_err) {
> +        trace_multifd_send_error(p->id);
>          multifd_send_terminate_threads(local_err);
>      }
>  
> @@ -1203,6 +1204,7 @@ static void multifd_new_send_channel_async(QIOTask 
> *task, gpointer opaque)
>      QIOChannel *sioc = QIO_CHANNEL(qio_task_get_source(task));
>      Error *local_err = NULL;
>  
> +    trace_multifd_new_send_channel_async(p->id);
>      if (qio_task_propagate_error(task, &local_err)) {
>          migrate_set_error(migrate_get_current(), local_err);
>          multifd_save_cleanup();
> @@ -1496,6 +1498,7 @@ bool multifd_recv_new_channel(QIOChannel *ioc, Error 
> **errp)
>                                  atomic_read(&multifd_recv_state->count));
>          return false;
>      }
> +    trace_multifd_recv_new_channel(id);
>  
>      p = &multifd_recv_state->params[id];
>      if (p->c != NULL) {
> diff --git a/migration/trace-events b/migration/trace-events
> index 9fbef614ab..5d85f8bf83 100644
> --- a/migration/trace-events
> +++ b/migration/trace-events
> @@ -81,7 +81,9 @@ migration_bitmap_sync_start(void) ""
>  migration_bitmap_sync_end(uint64_t dirty_pages) "dirty_pages %" PRIu64
>  migration_bitmap_clear_dirty(char *str, uint64_t start, uint64_t size, 
> unsigned long page) "rb %s start 0x%"PRIx64" size 0x%"PRIx64" page 0x%lx"
>  migration_throttle(void) ""
> +multifd_new_send_channel_async(uint8_t id) "channel %d"
>  multifd_recv(uint8_t id, uint64_t packet_num, uint32_t used, uint32_t flags, 
> uint32_t next_packet_size) "channel %d packet_num %" PRIu64 " pages %d flags 
> 0x%x next packet size %d"
> +multifd_recv_new_channel(uint8_t id) "channel %d"
>  multifd_recv_sync_main(long packet_num) "packet num %ld"
>  multifd_recv_sync_main_signal(uint8_t id) "channel %d"
>  multifd_recv_sync_main_wait(uint8_t id) "channel %d"
> @@ -89,7 +91,9 @@ multifd_recv_terminate_threads(bool error) "error %d"
>  multifd_recv_thread_can_start(uint8_t id) "channel %d"
>  multifd_recv_thread_end(uint8_t id, uint64_t packets, uint64_t pages) 
> "channel %d packets %" PRIu64 " pages %" PRIu64
>  multifd_recv_thread_start(uint8_t id) "%d"
> +multifd_save_setup_wait(uint8_t id) "%d"
>  multifd_send(uint8_t id, uint64_t packet_num, uint32_t used, uint32_t flags, 
> uint32_t next_packet_size) "channel %d packet_num %" PRIu64 " pages %d flags 
> 0x%x next packet size %d"
> +multifd_send_error(uint8_t id) "channel %d"
>  multifd_send_sync_main(long packet_num) "packet num %ld"
>  multifd_send_sync_main_signal(uint8_t id) "channel %d"
>  multifd_send_sync_main_wait(uint8_t id) "channel %d"
> -- 
> 2.21.0
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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