Hi,
There are many items such as "/dev/shm/ust-shm-consumer-81132 (deleted)"
exist in lttng-sessiond fd spaces. I know it is the result of shm_open() and
shm_unlnik() in create_posix_shm().
However, today, I found these items also exist in a traced application which
is a long-time running daemon. The most important thing I found is that there
seems no reliable way to release share memory.
I tried to kill lttng-sessiond but not always release share memory.
Sometimes I need to kill the traced application to free share memory....But it
is not a good idea to kill these applications.
My questions are:
1. Is there any way to release share memory without killing any traced
application?
2. Is it normal that many items such as "/dev/shm/ust-shm-consumer-81132
(deleted)" exist in the traced application?
Thanks
zhenyu.ren
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