From: "Michael S. Tsirkin" <mst@redhat.com> To: Jonathan Helman <jonathan.helman@oracle.com> Cc: jasowang@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] virtio_balloon: export huge page allocation statistics Date: Tue, 27 Feb 2018 17:20:13 +0200 [thread overview] Message-ID: <20180227170250-mutt-send-email-mst@kernel.org> (raw) In-Reply-To: <1518846272-5216-1-git-send-email-jonathan.helman@oracle.com> On Fri, Feb 16, 2018 at 09:44:32PM -0800, Jonathan Helman wrote: > Export statistics for successful and failed huge page allocations > from the virtio balloon driver. These 2 stats come directly from > the vm_events HTLB_BUDDY_PGALLOC and HTLB_BUDDY_PGALLOC_FAIL. > Signed-off-by: Jonathan Helman <jonathan.helman@oracle.com> Any host/guest intergace changes need to be copied to the virtio TC mailing list (subscriber-only, sorry about that): virtio-dev@lists.oasis-open.org > --- > drivers/virtio/virtio_balloon.c | 6 ++++++ > include/uapi/linux/virtio_balloon.h | 4 +++- > 2 files changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c > index dfe5684..6b237e3 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -272,6 +272,12 @@ static unsigned int update_balloon_stats(struct virtio_balloon *vb) > pages_to_bytes(events[PSWPOUT])); > update_stat(vb, idx++, VIRTIO_BALLOON_S_MAJFLT, events[PGMAJFAULT]); > update_stat(vb, idx++, VIRTIO_BALLOON_S_MINFLT, events[PGFAULT]); > +#ifdef CONFIG_HUGETLB_PAGE > + update_stat(vb, idx++, VIRTIO_BALLOON_S_HTLB_PGALLOC, > + events[HTLB_BUDDY_PGALLOC]); > + update_stat(vb, idx++, VIRTIO_BALLOON_S_HTLB_PGFAIL, > + events[HTLB_BUDDY_PGALLOC_FAIL]); > +#endif > #endif > update_stat(vb, idx++, VIRTIO_BALLOON_S_MEMFREE, > pages_to_bytes(i.freeram)); > diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h > index 4e8b830..e3e8071 100644 > --- a/include/uapi/linux/virtio_balloon.h > +++ b/include/uapi/linux/virtio_balloon.h > @@ -53,7 +53,9 @@ struct virtio_balloon_config { > #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_CACHES 7 /* Disk caches */ > -#define VIRTIO_BALLOON_S_NR 8 > +#define VIRTIO_BALLOON_S_HTLB_PGALLOC 8 /* Number of htlb pgalloc successes */ > +#define VIRTIO_BALLOON_S_HTLB_PGFAIL 9 /* Number of htlb pgalloc failures */ > +#define VIRTIO_BALLOON_S_NR 10 Can you clarify the comments pls? Eschew abbreviation. > > /* > * Memory statistics structure. > -- > 1.8.3.1
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From: "Michael S. Tsirkin" <mst@redhat.com> To: Jonathan Helman <jonathan.helman@oracle.com> Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH] virtio_balloon: export huge page allocation statistics Date: Tue, 27 Feb 2018 17:20:13 +0200 [thread overview] Message-ID: <20180227170250-mutt-send-email-mst@kernel.org> (raw) In-Reply-To: <1518846272-5216-1-git-send-email-jonathan.helman@oracle.com> On Fri, Feb 16, 2018 at 09:44:32PM -0800, Jonathan Helman wrote: > Export statistics for successful and failed huge page allocations > from the virtio balloon driver. These 2 stats come directly from > the vm_events HTLB_BUDDY_PGALLOC and HTLB_BUDDY_PGALLOC_FAIL. > Signed-off-by: Jonathan Helman <jonathan.helman@oracle.com> Any host/guest intergace changes need to be copied to the virtio TC mailing list (subscriber-only, sorry about that): virtio-dev@lists.oasis-open.org > --- > drivers/virtio/virtio_balloon.c | 6 ++++++ > include/uapi/linux/virtio_balloon.h | 4 +++- > 2 files changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c > index dfe5684..6b237e3 100644 > --- a/drivers/virtio/virtio_balloon.c > +++ b/drivers/virtio/virtio_balloon.c > @@ -272,6 +272,12 @@ static unsigned int update_balloon_stats(struct virtio_balloon *vb) > pages_to_bytes(events[PSWPOUT])); > update_stat(vb, idx++, VIRTIO_BALLOON_S_MAJFLT, events[PGMAJFAULT]); > update_stat(vb, idx++, VIRTIO_BALLOON_S_MINFLT, events[PGFAULT]); > +#ifdef CONFIG_HUGETLB_PAGE > + update_stat(vb, idx++, VIRTIO_BALLOON_S_HTLB_PGALLOC, > + events[HTLB_BUDDY_PGALLOC]); > + update_stat(vb, idx++, VIRTIO_BALLOON_S_HTLB_PGFAIL, > + events[HTLB_BUDDY_PGALLOC_FAIL]); > +#endif > #endif > update_stat(vb, idx++, VIRTIO_BALLOON_S_MEMFREE, > pages_to_bytes(i.freeram)); > diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h > index 4e8b830..e3e8071 100644 > --- a/include/uapi/linux/virtio_balloon.h > +++ b/include/uapi/linux/virtio_balloon.h > @@ -53,7 +53,9 @@ struct virtio_balloon_config { > #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_CACHES 7 /* Disk caches */ > -#define VIRTIO_BALLOON_S_NR 8 > +#define VIRTIO_BALLOON_S_HTLB_PGALLOC 8 /* Number of htlb pgalloc successes */ > +#define VIRTIO_BALLOON_S_HTLB_PGFAIL 9 /* Number of htlb pgalloc failures */ > +#define VIRTIO_BALLOON_S_NR 10 Can you clarify the comments pls? Eschew abbreviation. > > /* > * Memory statistics structure. > -- > 1.8.3.1
next prev parent reply other threads:[~2018-02-27 15:20 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-02-17 5:44 [PATCH] virtio_balloon: export huge page allocation statistics Jonathan Helman 2018-02-27 15:20 ` Michael S. Tsirkin [this message] 2018-02-27 15:20 ` Michael S. Tsirkin 2018-03-02 22:16 ` Jonathan Helman 2018-03-02 22:16 ` Jonathan Helman -- strict thread matches above, loose matches on Subject: below -- 2018-02-17 5:44 Jonathan Helman
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