* [Qemu-devel] [PATCH v2 0/1] Disk caches in VirtIO Balloon driver stats @ 2017-12-05 12:14 Tomáš Golembiovský 2017-12-05 12:14 ` [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches Tomáš Golembiovský 0 siblings, 1 reply; 8+ messages in thread From: Tomáš Golembiovský @ 2017-12-05 12:14 UTC (permalink / raw) To: virtio-dev, qemu-devel Cc: Wei Wang, Michael S. Tsirkin, Tomáš Golembiovský This is a QEMU counterpart to the patch for VirtIO balloon driver posted here: https://lists.nongnu.org/archive/html/qemu-devel/2017-11/msg02106.html Tomáš Golembiovský (1): virtio-balloon: include statistics of disk/file caches hw/virtio/virtio-balloon.c | 1 + include/standard-headers/linux/virtio_balloon.h | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) -- 2.15.1 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches 2017-12-05 12:14 [Qemu-devel] [PATCH v2 0/1] Disk caches in VirtIO Balloon driver stats Tomáš Golembiovský @ 2017-12-05 12:14 ` Tomáš Golembiovský 2018-02-05 12:08 ` Tomáš Golembiovský 0 siblings, 1 reply; 8+ messages in thread From: Tomáš Golembiovský @ 2017-12-05 12:14 UTC (permalink / raw) To: virtio-dev, qemu-devel Cc: Wei Wang, Michael S. Tsirkin, Tomáš Golembiovský Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> --- hw/virtio/virtio-balloon.c | 1 + include/standard-headers/linux/virtio_balloon.h | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c index 37cde38982..8141326a51 100644 --- a/hw/virtio/virtio-balloon.c +++ b/hw/virtio/virtio-balloon.c @@ -50,6 +50,7 @@ static const char *balloon_stat_names[] = { [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", + [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches", [VIRTIO_BALLOON_S_NR] = NULL }; diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h index 9d06ccd066..7b0a41b8fc 100644 --- a/include/standard-headers/linux/virtio_balloon.h +++ b/include/standard-headers/linux/virtio_balloon.h @@ -52,7 +52,8 @@ struct virtio_balloon_config { #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ #define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */ -#define VIRTIO_BALLOON_S_NR 7 +#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */ +#define VIRTIO_BALLOON_S_NR 8 /* * Memory statistics structure. -- 2.15.1 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches 2017-12-05 12:14 ` [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches Tomáš Golembiovský @ 2018-02-05 12:08 ` Tomáš Golembiovský 2018-02-13 20:29 ` Jonathan Helman 0 siblings, 1 reply; 8+ messages in thread From: Tomáš Golembiovský @ 2018-02-05 12:08 UTC (permalink / raw) To: virtio-dev, qemu-devel; +Cc: Wei Wang, Michael S. Tsirkin ping On Tue, 5 Dec 2017 13:14:46 +0100 Tomáš Golembiovský <tgolembi@redhat.com> wrote: > Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> > --- > hw/virtio/virtio-balloon.c | 1 + > include/standard-headers/linux/virtio_balloon.h | 3 ++- > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c > index 37cde38982..8141326a51 100644 > --- a/hw/virtio/virtio-balloon.c > +++ b/hw/virtio/virtio-balloon.c > @@ -50,6 +50,7 @@ static const char *balloon_stat_names[] = { > [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", > [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", > [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", > + [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches", > [VIRTIO_BALLOON_S_NR] = NULL > }; > > diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h > index 9d06ccd066..7b0a41b8fc 100644 > --- a/include/standard-headers/linux/virtio_balloon.h > +++ b/include/standard-headers/linux/virtio_balloon.h > @@ -52,7 +52,8 @@ struct virtio_balloon_config { > #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ > #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ > #define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */ > -#define VIRTIO_BALLOON_S_NR 7 > +#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */ > +#define VIRTIO_BALLOON_S_NR 8 > > /* > * Memory statistics structure. > -- > 2.15.1 > -- Tomáš Golembiovský <tgolembi@redhat.com> ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches 2018-02-05 12:08 ` Tomáš Golembiovský @ 2018-02-13 20:29 ` Jonathan Helman 2018-02-13 22:07 ` Michael S. Tsirkin 0 siblings, 1 reply; 8+ messages in thread From: Jonathan Helman @ 2018-02-13 20:29 UTC (permalink / raw) To: Tomáš Golembiovský, virtio-dev, qemu-devel Cc: Wei Wang, Michael S. Tsirkin On 02/05/2018 04:08 AM, Tomáš Golembiovský wrote: > ping > > On Tue, 5 Dec 2017 13:14:46 +0100 > Tomáš Golembiovský <tgolembi@redhat.com> wrote: > It would be good to include the corresponding upstream kernel change in the commit message. This would be similar to a previous change: https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg05555.html >> Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> >> --- >> hw/virtio/virtio-balloon.c | 1 + >> include/standard-headers/linux/virtio_balloon.h | 3 ++- >> 2 files changed, 3 insertions(+), 1 deletion(-) >> >> diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c >> index 37cde38982..8141326a51 100644 >> --- a/hw/virtio/virtio-balloon.c >> +++ b/hw/virtio/virtio-balloon.c >> @@ -50,6 +50,7 @@ static const char *balloon_stat_names[] = { >> [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", >> [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", >> [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", >> + [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches", >> [VIRTIO_BALLOON_S_NR] = NULL >> }; >> >> diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h >> index 9d06ccd066..7b0a41b8fc 100644 >> --- a/include/standard-headers/linux/virtio_balloon.h >> +++ b/include/standard-headers/linux/virtio_balloon.h >> @@ -52,7 +52,8 @@ struct virtio_balloon_config { >> #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ >> #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ >> #define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */ >> -#define VIRTIO_BALLOON_S_NR 7 >> +#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */ I've been wondering, VIRTIO_BALLOON_S_AVAIL is not in the virtio spec (see Section 5.5.6.3). It seems like this header file needs to be in sync with the virtio spec in order to make this change. I have a similar change to add a new statistic and was wondering this. >> +#define VIRTIO_BALLOON_S_NR 8 >> >> /* >> * Memory statistics structure. >> -- >> 2.15.1 >> > > You need to add your new stat to the list of stats in docs/virtio-balloon-stats.txt. Jon ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches 2018-02-13 20:29 ` Jonathan Helman @ 2018-02-13 22:07 ` Michael S. Tsirkin 2018-02-19 13:11 ` Tomáš Golembiovský 0 siblings, 1 reply; 8+ messages in thread From: Michael S. Tsirkin @ 2018-02-13 22:07 UTC (permalink / raw) To: Jonathan Helman Cc: Tomáš Golembiovský, virtio-dev, qemu-devel, Wei Wang On Tue, Feb 13, 2018 at 12:29:39PM -0800, Jonathan Helman wrote: > > > On 02/05/2018 04:08 AM, Tomáš Golembiovský wrote: > > ping > > > > On Tue, 5 Dec 2017 13:14:46 +0100 > > Tomáš Golembiovský <tgolembi@redhat.com> wrote: > > > > It would be good to include the corresponding upstream kernel change in the > commit message. This would be similar to a previous change: > https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg05555.html good idea, but this has been merged by now. > > > Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> > > > --- > > > hw/virtio/virtio-balloon.c | 1 + > > > include/standard-headers/linux/virtio_balloon.h | 3 ++- > > > 2 files changed, 3 insertions(+), 1 deletion(-) > > > > > > diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c > > > index 37cde38982..8141326a51 100644 > > > --- a/hw/virtio/virtio-balloon.c > > > +++ b/hw/virtio/virtio-balloon.c > > > @@ -50,6 +50,7 @@ static const char *balloon_stat_names[] = { > > > [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", > > > [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", > > > [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", > > > + [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches", > > > [VIRTIO_BALLOON_S_NR] = NULL > > > }; > > > diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h > > > index 9d06ccd066..7b0a41b8fc 100644 > > > --- a/include/standard-headers/linux/virtio_balloon.h > > > +++ b/include/standard-headers/linux/virtio_balloon.h > > > @@ -52,7 +52,8 @@ struct virtio_balloon_config { > > > #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ > > > #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ > > > #define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */ > > > -#define VIRTIO_BALLOON_S_NR 7 > > > +#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */ > > I've been wondering, VIRTIO_BALLOON_S_AVAIL is not in the virtio spec (see > Section 5.5.6.3). It seems like this header file needs to be in sync with > the virtio spec in order to make this change. > > I have a similar change to add a new statistic and was wondering this. Absolutely. Tomáš? > > > +#define VIRTIO_BALLOON_S_NR 8 > > > /* > > > * Memory statistics structure. > > > -- > > > 2.15.1 > > > > > > > > > You need to add your new stat to the list of stats in > docs/virtio-balloon-stats.txt. > > Jon Can't hurt, I agree. -- MST ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches 2018-02-13 22:07 ` Michael S. Tsirkin @ 2018-02-19 13:11 ` Tomáš Golembiovský 2018-02-20 5:11 ` Jonathan Helman 0 siblings, 1 reply; 8+ messages in thread From: Tomáš Golembiovský @ 2018-02-19 13:11 UTC (permalink / raw) To: Michael S. Tsirkin; +Cc: Jonathan Helman, virtio-dev, qemu-devel, Wei Wang On Wed, 14 Feb 2018 00:07:53 +0200 "Michael S. Tsirkin" <mst@redhat.com> wrote: > On Tue, Feb 13, 2018 at 12:29:39PM -0800, Jonathan Helman wrote: > > > > > > On 02/05/2018 04:08 AM, Tomáš Golembiovský wrote: > > > ping > > > > > > On Tue, 5 Dec 2017 13:14:46 +0100 > > > Tomáš Golembiovský <tgolembi@redhat.com> wrote: > > > > > > > It would be good to include the corresponding upstream kernel change in the > > commit message. This would be similar to a previous change: > > https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg05555.html > > good idea, but this has been merged by now. Maybe next time, sorry. > > > > Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> > > > > --- > > > > hw/virtio/virtio-balloon.c | 1 + > > > > include/standard-headers/linux/virtio_balloon.h | 3 ++- > > > > 2 files changed, 3 insertions(+), 1 deletion(-) > > > > > > > > diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c > > > > index 37cde38982..8141326a51 100644 > > > > --- a/hw/virtio/virtio-balloon.c > > > > +++ b/hw/virtio/virtio-balloon.c > > > > @@ -50,6 +50,7 @@ static const char *balloon_stat_names[] = { > > > > [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", > > > > [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", > > > > [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", > > > > + [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches", > > > > [VIRTIO_BALLOON_S_NR] = NULL > > > > }; > > > > diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h > > > > index 9d06ccd066..7b0a41b8fc 100644 > > > > --- a/include/standard-headers/linux/virtio_balloon.h > > > > +++ b/include/standard-headers/linux/virtio_balloon.h > > > > @@ -52,7 +52,8 @@ struct virtio_balloon_config { > > > > #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ > > > > #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ > > > > #define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */ > > > > -#define VIRTIO_BALLOON_S_NR 7 > > > > +#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */ > > > > I've been wondering, VIRTIO_BALLOON_S_AVAIL is not in the virtio spec (see > > Section 5.5.6.3). It seems like this header file needs to be in sync with > > the virtio spec in order to make this change. > > > > I have a similar change to add a new statistic and was wondering this. > > Absolutely. Tomáš? Sent. I also included description for the VIRTIO_BALLOON_S_AVAIL that was missing. > > > > +#define VIRTIO_BALLOON_S_NR 8 > > > > /* > > > > * Memory statistics structure. > > > > -- > > > > 2.15.1 > > > > > > > > > > > > > > You need to add your new stat to the list of stats in > > docs/virtio-balloon-stats.txt. > > > > Jon > > Can't hurt, I agree. Sent. Tomas -- Tomáš Golembiovský <tgolembi@redhat.com> ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches 2018-02-19 13:11 ` Tomáš Golembiovský @ 2018-02-20 5:11 ` Jonathan Helman 2018-02-20 11:15 ` Tomáš Golembiovský 0 siblings, 1 reply; 8+ messages in thread From: Jonathan Helman @ 2018-02-20 5:11 UTC (permalink / raw) To: Tomáš Golembiovský Cc: Michael S. Tsirkin, virtio-dev, Wei Wang, qemu-devel > On Feb 19, 2018, at 5:11 AM, Tomáš Golembiovský <tgolembi@redhat.com> wrote: > > On Wed, 14 Feb 2018 00:07:53 +0200 > "Michael S. Tsirkin" <mst@redhat.com> wrote: > >> On Tue, Feb 13, 2018 at 12:29:39PM -0800, Jonathan Helman wrote: >>> >>> >>> On 02/05/2018 04:08 AM, Tomáš Golembiovský wrote: >>>> ping >>>> >>>> On Tue, 5 Dec 2017 13:14:46 +0100 >>>> Tomáš Golembiovský <tgolembi@redhat.com> wrote: >>>> >>> >>> It would be good to include the corresponding upstream kernel change in the >>> commit message. This would be similar to a previous change: >>> https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg05555.html >> >> good idea, but this has been merged by now. > > Maybe next time, sorry. > > >>>>> Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> >>>>> --- >>>>> hw/virtio/virtio-balloon.c | 1 + >>>>> include/standard-headers/linux/virtio_balloon.h | 3 ++- >>>>> 2 files changed, 3 insertions(+), 1 deletion(-) >>>>> >>>>> diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c >>>>> index 37cde38982..8141326a51 100644 >>>>> --- a/hw/virtio/virtio-balloon.c >>>>> +++ b/hw/virtio/virtio-balloon.c >>>>> @@ -50,6 +50,7 @@ static const char *balloon_stat_names[] = { >>>>> [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", >>>>> [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", >>>>> [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", >>>>> + [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches", >>>>> [VIRTIO_BALLOON_S_NR] = NULL >>>>> }; >>>>> diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h >>>>> index 9d06ccd066..7b0a41b8fc 100644 >>>>> --- a/include/standard-headers/linux/virtio_balloon.h >>>>> +++ b/include/standard-headers/linux/virtio_balloon.h >>>>> @@ -52,7 +52,8 @@ struct virtio_balloon_config { >>>>> #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ >>>>> #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ >>>>> #define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */ >>>>> -#define VIRTIO_BALLOON_S_NR 7 >>>>> +#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */ >>> >>> I've been wondering, VIRTIO_BALLOON_S_AVAIL is not in the virtio spec (see >>> Section 5.5.6.3). It seems like this header file needs to be in sync with >>> the virtio spec in order to make this change. >>> >>> I have a similar change to add a new statistic and was wondering this. >> >> Absolutely. Tomáš? > > Sent. I also included description for the VIRTIO_BALLOON_S_AVAIL that > was missing. > > >>>>> +#define VIRTIO_BALLOON_S_NR 8 >>>>> /* >>>>> * Memory statistics structure. >>>>> -- >>>>> 2.15.1 >>>>> >>>> >>>> >>> >>> You need to add your new stat to the list of stats in >>> docs/virtio-balloon-stats.txt. >>> >>> Jon >> >> Can't hurt, I agree. > > Sent. > Awesome, thank you. Do you also plan to make the commensurate changes in libvirt, or did I just miss the patch? Jon > Tomas > > -- > Tomáš Golembiovský <tgolembi@redhat.com> ^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches 2018-02-20 5:11 ` Jonathan Helman @ 2018-02-20 11:15 ` Tomáš Golembiovský 0 siblings, 0 replies; 8+ messages in thread From: Tomáš Golembiovský @ 2018-02-20 11:15 UTC (permalink / raw) To: Jonathan Helman; +Cc: Michael S. Tsirkin, virtio-dev, Wei Wang, qemu-devel On Mon, 19 Feb 2018 21:11:27 -0800 Jonathan Helman <jonathan.helman@oracle.com> wrote: > > On Feb 19, 2018, at 5:11 AM, Tomáš Golembiovský <tgolembi@redhat.com> wrote: > > > > On Wed, 14 Feb 2018 00:07:53 +0200 > > "Michael S. Tsirkin" <mst@redhat.com> wrote: > > > >> On Tue, Feb 13, 2018 at 12:29:39PM -0800, Jonathan Helman wrote: > >>> > >>> > >>> On 02/05/2018 04:08 AM, Tomáš Golembiovský wrote: > >>>> ping > >>>> > >>>> On Tue, 5 Dec 2017 13:14:46 +0100 > >>>> Tomáš Golembiovský <tgolembi@redhat.com> wrote: > >>>> > >>> > >>> It would be good to include the corresponding upstream kernel change in the > >>> commit message. This would be similar to a previous change: > >>> https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg05555.html > >> > >> good idea, but this has been merged by now. > > > > Maybe next time, sorry. > > > > > >>>>> Signed-off-by: Tomáš Golembiovský <tgolembi@redhat.com> > >>>>> --- > >>>>> hw/virtio/virtio-balloon.c | 1 + > >>>>> include/standard-headers/linux/virtio_balloon.h | 3 ++- > >>>>> 2 files changed, 3 insertions(+), 1 deletion(-) > >>>>> > >>>>> diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c > >>>>> index 37cde38982..8141326a51 100644 > >>>>> --- a/hw/virtio/virtio-balloon.c > >>>>> +++ b/hw/virtio/virtio-balloon.c > >>>>> @@ -50,6 +50,7 @@ static const char *balloon_stat_names[] = { > >>>>> [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory", > >>>>> [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory", > >>>>> [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory", > >>>>> + [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches", > >>>>> [VIRTIO_BALLOON_S_NR] = NULL > >>>>> }; > >>>>> diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h > >>>>> index 9d06ccd066..7b0a41b8fc 100644 > >>>>> --- a/include/standard-headers/linux/virtio_balloon.h > >>>>> +++ b/include/standard-headers/linux/virtio_balloon.h > >>>>> @@ -52,7 +52,8 @@ struct virtio_balloon_config { > >>>>> #define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */ > >>>>> #define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */ > >>>>> #define VIRTIO_BALLOON_S_AVAIL 6 /* Available memory as in /proc */ > >>>>> -#define VIRTIO_BALLOON_S_NR 7 > >>>>> +#define VIRTIO_BALLOON_S_CACHES 7 /* Disk caches */ > >>> > >>> I've been wondering, VIRTIO_BALLOON_S_AVAIL is not in the virtio spec (see > >>> Section 5.5.6.3). It seems like this header file needs to be in sync with > >>> the virtio spec in order to make this change. > >>> > >>> I have a similar change to add a new statistic and was wondering this. > >> > >> Absolutely. Tomáš? > > > > Sent. I also included description for the VIRTIO_BALLOON_S_AVAIL that > > was missing. > > > > > >>>>> +#define VIRTIO_BALLOON_S_NR 8 > >>>>> /* > >>>>> * Memory statistics structure. > >>>>> -- > >>>>> 2.15.1 > >>>>> > >>>> > >>>> > >>> > >>> You need to add your new stat to the list of stats in > >>> docs/virtio-balloon-stats.txt. > >>> > >>> Jon > >> > >> Can't hurt, I agree. > > > > Sent. > > > > Awesome, thank you. > > Do you also plan to make the commensurate changes in libvirt, or did I just miss the patch? Yes, I do. I just didn't get to it yet. Tomas > > Jon > > > Tomas > > > > -- > > Tomáš Golembiovský <tgolembi@redhat.com> > -- Tomáš Golembiovský <tgolembi@redhat.com> ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2018-02-20 11:15 UTC | newest] Thread overview: 8+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2017-12-05 12:14 [Qemu-devel] [PATCH v2 0/1] Disk caches in VirtIO Balloon driver stats Tomáš Golembiovský 2017-12-05 12:14 ` [Qemu-devel] [PATCH v2 1/1] virtio-balloon: include statistics of disk/file caches Tomáš Golembiovský 2018-02-05 12:08 ` Tomáš Golembiovský 2018-02-13 20:29 ` Jonathan Helman 2018-02-13 22:07 ` Michael S. Tsirkin 2018-02-19 13:11 ` Tomáš Golembiovský 2018-02-20 5:11 ` Jonathan Helman 2018-02-20 11:15 ` Tomáš Golembiovský
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