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linux-2.6/net/core/net-traces.c

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Network Drop Monitor: Add trace declaration for skb frees Signed-off-by: Neil Horman <nhorman@tuxdriver.com> include/trace/skb.h | 8 ++++++++ net/core/Makefile | 2 ++ net/core/net-traces.c | 29 +++++++++++++++++++++++++++++ 3 files changed, 39 insertions(+) Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-11 09:48:26 +00:00
/*
* 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/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 <trace/skb.h>
dropmon: add ability to detect when hardware dropsrxpackets Patch to add the ability to detect drops in hardware interfaces via dropwatch. Adds a tracepoint to net_rx_action to signal everytime a napi instance is polled. The dropmon code then periodically checks to see if the rx_frames counter has changed, and if so, adds a drop notification to the netlink protocol, using the reserved all-0's vector to indicate the drop location was in hardware, rather than somewhere in the code. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> include/linux/net_dropmon.h | 8 ++ include/trace/napi.h | 11 +++ net/core/dev.c | 5 + net/core/drop_monitor.c | 124 ++++++++++++++++++++++++++++++++++++++++++-- net/core/net-traces.c | 4 + net/core/netpoll.c | 2 6 files changed, 149 insertions(+), 5 deletions(-) Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-21 07:36:08 +00:00
#include <trace/napi.h>
Network Drop Monitor: Add trace declaration for skb frees Signed-off-by: Neil Horman <nhorman@tuxdriver.com> include/trace/skb.h | 8 ++++++++ net/core/Makefile | 2 ++ net/core/net-traces.c | 29 +++++++++++++++++++++++++++++ 3 files changed, 39 insertions(+) Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-11 09:48:26 +00:00
#include <asm/unaligned.h>
#include <asm/bitops.h>
DEFINE_TRACE(kfree_skb);
EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
dropmon: add ability to detect when hardware dropsrxpackets Patch to add the ability to detect drops in hardware interfaces via dropwatch. Adds a tracepoint to net_rx_action to signal everytime a napi instance is polled. The dropmon code then periodically checks to see if the rx_frames counter has changed, and if so, adds a drop notification to the netlink protocol, using the reserved all-0's vector to indicate the drop location was in hardware, rather than somewhere in the code. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> include/linux/net_dropmon.h | 8 ++ include/trace/napi.h | 11 +++ net/core/dev.c | 5 + net/core/drop_monitor.c | 124 ++++++++++++++++++++++++++++++++++++++++++-- net/core/net-traces.c | 4 + net/core/netpoll.c | 2 6 files changed, 149 insertions(+), 5 deletions(-) Signed-off-by: David S. Miller <davem@davemloft.net>
2009-05-21 07:36:08 +00:00
DEFINE_TRACE(napi_poll);
EXPORT_TRACEPOINT_SYMBOL_GPL(napi_poll);