Messages in this thread | | | Date | Fri, 16 Jul 2010 12:21:09 +0100 | From | Mel Gorman <> | Subject | Re: [PATCH 7/7] memcg: add mm_vmscan_memcg_isolate tracepoint |
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On Fri, Jul 16, 2010 at 07:18:18PM +0900, KOSAKI Motohiro wrote: > > Memcg also need to trace page isolation information as global reclaim. > This patch does it. > > Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> > --- > include/trace/events/vmscan.h | 15 +++++++++++++++ > mm/memcontrol.c | 7 +++++++ > 2 files changed, 22 insertions(+), 0 deletions(-) > > diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h > index e37fe72..eefd399 100644 > --- a/include/trace/events/vmscan.h > +++ b/include/trace/events/vmscan.h > @@ -213,6 +213,21 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate, > > ); > > +DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate, > + > + TP_PROTO(int order, > + unsigned long nr_requested,
I just spotted that this is badly named by myself. It should have been order.
> + unsigned long nr_scanned, > + unsigned long nr_taken, > + unsigned long nr_lumpy_taken, > + unsigned long nr_lumpy_dirty, > + unsigned long nr_lumpy_failed, > + int isolate_mode), > + > + TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode) > + > +); > + > TRACE_EVENT(mm_vmscan_writepage, > > TP_PROTO(struct page *page, > diff --git a/mm/memcontrol.c b/mm/memcontrol.c > index 81bc9bf..82e191f 100644 > --- a/mm/memcontrol.c > +++ b/mm/memcontrol.c > @@ -52,6 +52,9 @@ > > #include <asm/uaccess.h> > > +#include <trace/events/vmscan.h> > + > +
Excessive whitespace there.
Otherwise, I didn't spot any problems.
> struct cgroup_subsys mem_cgroup_subsys __read_mostly; > #define MEM_CGROUP_RECLAIM_RETRIES 5 > struct mem_cgroup *root_mem_cgroup __read_mostly; > @@ -1042,6 +1045,10 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan, > } > > *scanned = scan; > + > + trace_mm_vmscan_memcg_isolate(0, nr_to_scan, scan, nr_taken, > + 0, 0, 0, mode); > + > return nr_taken; > } > > -- > 1.6.5.2 > > >
-- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab
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