diff options
| author | Jesper Dangaard Brouer <brouer@redhat.com> | 2019-06-18 15:06:03 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-19 11:23:13 -0400 |
| commit | 32c28f7e413981c7dd4a3ad9bbb1151e4b654261 (patch) | |
| tree | 3231f0c5e391c8a08e583697f6cc7715d1b970dc /net/core/net-traces.c | |
| parent | f033b688c1ede5ec78c9a718fa9f0b374049bc31 (diff) | |
page_pool: add tracepoints for page_pool with details need by XDP
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>
Diffstat (limited to 'net/core/net-traces.c')
| -rw-r--r-- | net/core/net-traces.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/net-traces.c b/net/core/net-traces.c index 470b179d599e..283ddb2dbc7d 100644 --- a/net/core/net-traces.c +++ b/net/core/net-traces.c @@ -43,6 +43,10 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(fdb_delete); EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_update); #endif +#if IS_ENABLED(CONFIG_PAGE_POOL) +#include <trace/events/page_pool.h> +#endif + #include <trace/events/neigh.h> EXPORT_TRACEPOINT_SYMBOL_GPL(neigh_update); EXPORT_TRACEPOINT_SYMBOL_GPL(neigh_update_done); |