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