BMC/Intel-BMC/linux.git/include/trace/events/page_pool.h, branch dev-5.3Intel OpenBMC Linux kernel source tree (mirror)https://git.radix-linux.su/BMC/Intel-BMC/linux.git/atom?h=dev-5.32019-06-19T15:23:13+00:00page_pool: add tracepoints for page_pool with details need by XDP2019-06-19T15:23:13+00:00Jesper Dangaard Brouerbrouer@redhat.com2019-06-18T13:06:03+00:00urn:sha1:32c28f7e413981c7dd4a3ad9bbb1151e4b654261
The xdp tracepoints for mem id disconnect don't carry information about, why
it was not safe_to_remove. The tracepoint page_pool:page_pool_inflight in
this patch can be used for extract this info for further debugging.
This patchset also adds tracepoint for the pages_state_* release/hold
transitions, including a pointer to the page. This can be used for stats
about in-flight pages, or used to debug page leakage via keeping track of
page pointer and combining this with kprobe for __put_page().
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>