Eric Wong <normalperson@xxxxxxxx> wrote:
> Events arriving in ovflist are stored in LIFO order, so
> we should account for that when inserting them into rddlist.
Fwiw, I noticed this oddity because I wanted to start tracing epitem
readiness (to detect when my application is not calling epoll_wait()
fast enough).
I have two more patches coming on top of this one:
Eric Wong (2):
epoll: hoist out duplicated wake up logic
epoll: add tracepoints for epitem enqueue/dequeue
fs/eventpoll.c | 62 +++++++++++----------
include/linux/eventpoll.h | 8 +++
include/trace/events/eventpoll.h | 113 +++++++++++++++++++++++++++++++++++++++
3 files changed, 155 insertions(+), 28 deletions(-)
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