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Age	Commit message (Collapse)	Author
2019-07-30	tracing: Fix header include guards in trace event headers	Masahiro Yamada
	These include guards are broken. Match the #if !define() and #define lines so that they work correctly. Link: http://lkml.kernel.org/r/20190720103943.16982-1-yamada.masahiro@socionext.com Fixes: f54d1867005c3 ("dma-buf: Rename struct fence to dma_fence") Fixes: 2e26ca7150a4f ("tracing: Fix tracepoint.h DECLARE_TRACE() to allow more than one header") Fixes: e543002f77f46 ("qdisc: add tracepoint qdisc:qdisc_dequeue for dequeued SKBs") Fixes: 95f295f9fe081 ("dmaengine: tegra: add tracepoints to driver") Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2017-08-16	qdisc: add tracepoint qdisc:qdisc_dequeue for dequeued SKBs	Jesper Dangaard Brouer
	The main purpose of this tracepoint is to monitor bulk dequeue in the network qdisc layer, as it cannot be deducted from the existing qdisc stats. The txq_state can be used for determining the reason for zero packet dequeues, see enum netdev_queue_state_t. Notice all packets doesn't necessary activate this tracepoint. As qdiscs with flag TCQ_F_CAN_BYPASS, can directly invoke sch_direct_xmit() when qdisc_qlen is zero. Remember that perf record supports filters like: perf record -e qdisc:qdisc_dequeue \ --filter 'ifindex == 4 && (packets > 1 \|\| txq_state > 0)' Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>