linux-stable/net/core/net-traces.c
Jesper Dangaard Brouer 32c28f7e41 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>
2019-06-19 11:23:13 -04:00

62 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* consolidates trace point definitions
*
* Copyright (C) 2009 Neil Horman <nhorman@tuxdriver.com>
*/
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/string.h>
#include <linux/if_arp.h>
#include <linux/inetdevice.h>
#include <linux/inet.h>
#include <linux/interrupt.h>
#include <linux/export.h>
#include <linux/netpoll.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/rcupdate.h>
#include <linux/types.h>
#include <linux/workqueue.h>
#include <linux/netlink.h>
#include <linux/net_dropmon.h>
#include <linux/slab.h>
#include <asm/unaligned.h>
#include <asm/bitops.h>
#define CREATE_TRACE_POINTS
#include <trace/events/skb.h>
#include <trace/events/net.h>
#include <trace/events/napi.h>
#include <trace/events/sock.h>
#include <trace/events/udp.h>
#include <trace/events/tcp.h>
#include <trace/events/fib.h>
#include <trace/events/qdisc.h>
#if IS_ENABLED(CONFIG_BRIDGE)
#include <trace/events/bridge.h>
EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_add);
EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_external_learn_add);
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);
EXPORT_TRACEPOINT_SYMBOL_GPL(neigh_timer_handler);
EXPORT_TRACEPOINT_SYMBOL_GPL(neigh_event_send_done);
EXPORT_TRACEPOINT_SYMBOL_GPL(neigh_event_send_dead);
EXPORT_TRACEPOINT_SYMBOL_GPL(neigh_cleanup_and_release);
EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
EXPORT_TRACEPOINT_SYMBOL_GPL(napi_poll);
EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_send_reset);