diff mbox

[01/17] migration: transform remained DPRINTF into trace_

Message ID 1485207141-1941-2-git-send-email-quintela@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Juan Quintela Jan. 23, 2017, 9:32 p.m. UTC
So we can remove DPRINTF() macro

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/ram.c        | 18 ++++--------------
 migration/trace-events |  4 ++++
 2 files changed, 8 insertions(+), 14 deletions(-)

Comments

Eric Blake Jan. 24, 2017, 2:20 a.m. UTC | #1
On 01/23/2017 03:32 PM, Juan Quintela wrote:

In the subject: s/remained/remaining/

> So we can remove DPRINTF() macro
> 
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> ---
>  migration/ram.c        | 18 ++++--------------
>  migration/trace-events |  4 ++++
>  2 files changed, 8 insertions(+), 14 deletions(-)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index a1c8089..ef8fadf 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -45,14 +45,6 @@
>  #include "qemu/rcu_queue.h"
>  #include "migration/colo.h"
> 
> -#ifdef DEBUG_MIGRATION_RAM
> -#define DPRINTF(fmt, ...) \
> -    do { fprintf(stdout, "migration_ram: " fmt, ## __VA_ARGS__); } while (0)
> -#else
> -#define DPRINTF(fmt, ...) \
> -    do { } while (0)

Yay - you're getting rid of the bitrot pattern in this file!

Reviewed-by: Eric Blake <eblake@redhat.com>
Dr. David Alan Gilbert Jan. 24, 2017, 12:20 p.m. UTC | #2
* Eric Blake (eblake@redhat.com) wrote:
> On 01/23/2017 03:32 PM, Juan Quintela wrote:
> 
> In the subject: s/remained/remaining/
> 
> > So we can remove DPRINTF() macro
> > 
> > Signed-off-by: Juan Quintela <quintela@redhat.com>
> > ---
> >  migration/ram.c        | 18 ++++--------------
> >  migration/trace-events |  4 ++++
> >  2 files changed, 8 insertions(+), 14 deletions(-)
> > 
> > diff --git a/migration/ram.c b/migration/ram.c
> > index a1c8089..ef8fadf 100644
> > --- a/migration/ram.c
> > +++ b/migration/ram.c
> > @@ -45,14 +45,6 @@
> >  #include "qemu/rcu_queue.h"
> >  #include "migration/colo.h"
> > 
> > -#ifdef DEBUG_MIGRATION_RAM
> > -#define DPRINTF(fmt, ...) \
> > -    do { fprintf(stdout, "migration_ram: " fmt, ## __VA_ARGS__); } while (0)
> > -#else
> > -#define DPRINTF(fmt, ...) \
> > -    do { } while (0)
> 
> Yay - you're getting rid of the bitrot pattern in this file!
> 
> Reviewed-by: Eric Blake <eblake@redhat.com>

This change doesn't need the rest of the series so,
queued.
(Fixed up 'remained')

Dave

> 
> -- 
> Eric Blake   eblake redhat com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
> 



--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
diff mbox

Patch

diff --git a/migration/ram.c b/migration/ram.c
index a1c8089..ef8fadf 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -45,14 +45,6 @@ 
 #include "qemu/rcu_queue.h"
 #include "migration/colo.h"

-#ifdef DEBUG_MIGRATION_RAM
-#define DPRINTF(fmt, ...) \
-    do { fprintf(stdout, "migration_ram: " fmt, ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
-    do { } while (0)
-#endif
-
 static int dirty_rate_high_cnt;

 static uint64_t bitmap_sync_count;
@@ -507,10 +499,10 @@  static int save_xbzrle_page(QEMUFile *f, uint8_t **current_data,
                                        TARGET_PAGE_SIZE, XBZRLE.encoded_buf,
                                        TARGET_PAGE_SIZE);
     if (encoded_len == 0) {
-        DPRINTF("Skipping unmodified page\n");
+        trace_save_xbzrle_page_skipping();
         return 0;
     } else if (encoded_len == -1) {
-        DPRINTF("Overflow\n");
+        trace_save_xbzrle_page_overflow();
         acct_info.xbzrle_overflows++;
         /* update data in the cache */
         if (!last_stage) {
@@ -2020,8 +2012,7 @@  static int ram_save_iterate(QEMUFile *f, void *opaque)
         if ((i & 63) == 0) {
             uint64_t t1 = (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - t0) / 1000000;
             if (t1 > MAX_WAIT) {
-                DPRINTF("big wait: %" PRIu64 " milliseconds, %d iterations\n",
-                        t1, i);
+                trace_ram_save_iterate_big_wait(t1, i);
                 break;
             }
         }
@@ -2594,8 +2585,7 @@  static int ram_load(QEMUFile *f, void *opaque, int version_id)

     wait_for_decompress_done();
     rcu_read_unlock();
-    DPRINTF("Completed load of VM with exit code %d seq iteration "
-            "%" PRIu64 "\n", ret, seq_iter);
+    trace_ram_load_complete(ret, seq_iter);
     return ret;
 }

diff --git a/migration/trace-events b/migration/trace-events
index 94134f7..6d781cf 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -186,6 +186,10 @@  postcopy_ram_incoming_cleanup_closeuf(void) ""
 postcopy_ram_incoming_cleanup_entry(void) ""
 postcopy_ram_incoming_cleanup_exit(void) ""
 postcopy_ram_incoming_cleanup_join(void) ""
+save_xbzrle_page_skipping(void) ""
+save_xbzrle_page_overflow(void) ""
+ram_save_iterate_big_wait(uint64_t milliconds, int iterations) "big wait: %" PRIu64 " milliseconds, %d iterations"
+ram_load_complete(int ret, uint64_t seq_iter) "exit_code %d seq iteration %" PRIu64

 # migration/exec.c
 migration_exec_outgoing(const char *cmd) "cmd=%s"