mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-05 00:52:57 +01:00
Neil Horman
3e4b10d7a4
This patch converts trace_napi_poll from DECLARE_EVENT to TRACE_EVENT
to improve the usability of napi_poll tracepoint.
<idle>-0 [001] 241302.750777: napi_poll: napi poll on napi struct f6acc480 for device eth3
<idle>-0 [000] 241302.852389: napi_poll: napi poll on napi struct f5d0d70c for device eth1
The original patch is below:
http://marc.info/?l=linux-kernel&m=126021713809450&w=2
[ [email protected]: And add a fix by Steven Rostedt:
http://marc.info/?l=linux-kernel&m=126150506519173&w=2 ]
Signed-off-by: Neil Horman <[email protected]>
Acked-by: David S. Miller <[email protected]>
Acked-by: Neil Horman <[email protected]>
Cc: Mathieu Desnoyers <[email protected]>
Cc: Kaneshige Kenji <[email protected]>
Cc: Izumo Taku <[email protected]>
Cc: Kosaki Motohiro <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Scott Mcmillan <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Eric Dumazet <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Koki Sanagi <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
39 lines
780 B
C
39 lines
780 B
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM napi
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#if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_NAPI_H_
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#include <linux/netdevice.h>
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#include <linux/tracepoint.h>
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#include <linux/ftrace.h>
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#define NO_DEV "(no_device)"
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TRACE_EVENT(napi_poll,
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TP_PROTO(struct napi_struct *napi),
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TP_ARGS(napi),
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TP_STRUCT__entry(
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__field( struct napi_struct *, napi)
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__string( dev_name, napi->dev ? napi->dev->name : NO_DEV)
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),
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TP_fast_assign(
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__entry->napi = napi;
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__assign_str(dev_name, napi->dev ? napi->dev->name : NO_DEV);
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),
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TP_printk("napi poll on napi struct %p for device %s",
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__entry->napi, __get_str(dev_name))
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);
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#undef NO_DEV
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#endif /* _TRACE_NAPI_H_ */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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