1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM napi
#if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NAPI_H
#include <linux/netdevice.h>
#include <linux/tracepoint.h>
#include <linux/ftrace.h>
#define NO_DEV "(no_device)"
TRACE_EVENT(napi_poll,
TP_PROTO(struct napi_struct *napi, int work, int budget),
TP_ARGS(napi, work, budget),
TP_STRUCT__entry(
__field( struct napi_struct *, napi)
__string( dev_name, napi->dev ? napi->dev->name : NO_DEV)
__field( int, work)
__field( int, budget)
),
TP_fast_assign(
__entry->napi = napi;
__assign_str(dev_name);
__entry->work = work;
__entry->budget = budget;
),
TP_printk("napi poll on napi struct %p for device %s work %d budget %d",
__entry->napi, __get_str(dev_name),
__entry->work, __entry->budget)
);
TRACE_EVENT(dql_stall_detected,
TP_PROTO(unsigned short thrs, unsigned int len,
unsigned long last_reap, unsigned long hist_head,
unsigned long now, unsigned long *hist),
TP_ARGS(thrs, len, last_reap, hist_head, now, hist),
TP_STRUCT__entry(
__field( unsigned short, thrs)
__field( unsigned int, len)
__field( unsigned long, last_reap)
__field( unsigned long, hist_head)
__field( unsigned long, now)
__array( unsigned long, hist, 4)
),
TP_fast_assign(
__entry->thrs = thrs;
__entry->len = len;
__entry->last_reap = last_reap;
__entry->hist_head = hist_head * BITS_PER_LONG;
__entry->now = now;
memcpy(__entry->hist, hist, sizeof(entry->hist));
),
TP_printk("thrs %u len %u last_reap %lu hist_head %lu now %lu hist %016lx %016lx %016lx %016lx",
__entry->thrs, __entry->len,
__entry->last_reap, __entry->hist_head, __entry->now,
__entry->hist[0], __entry->hist[1],
__entry->hist[2], __entry->hist[3])
);
#undef NO_DEV
#endif /* _TRACE_NAPI_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
