1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM napi 4 5 #if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_NAPI_H 7 8 #include <linux/netdevice.h> 9 #include <linux/tracepoint.h> 10 #include <linux/ftrace.h> 11 12 #define NO_DEV "(no_device)" 13 14 TRACE_EVENT(napi_poll, 15 16 TP_PROTO(struct napi_struct *napi, int work, int budget), 17 18 TP_ARGS(napi, work, budget), 19 20 TP_STRUCT__entry( 21 __field( struct napi_struct *, napi) 22 __string( dev_name, napi->dev ? napi->dev->name : NO_DEV) 23 __field( int, work) 24 __field( int, budget) 25 ), 26 27 TP_fast_assign( 28 __entry->napi = napi; 29 __assign_str(dev_name); 30 __entry->work = work; 31 __entry->budget = budget; 32 ), 33 34 TP_printk("napi poll on napi struct %p for device %s work %d budget %d", 35 __entry->napi, __get_str(dev_name), 36 __entry->work, __entry->budget) 37 ); 38 39 TRACE_EVENT(dql_stall_detected, 40 41 TP_PROTO(unsigned short thrs, unsigned int len, 42 unsigned long last_reap, unsigned long hist_head, 43 unsigned long now, unsigned long *hist), 44 45 TP_ARGS(thrs, len, last_reap, hist_head, now, hist), 46 47 TP_STRUCT__entry( 48 __field( unsigned short, thrs) 49 __field( unsigned int, len) 50 __field( unsigned long, last_reap) 51 __field( unsigned long, hist_head) 52 __field( unsigned long, now) 53 __array( unsigned long, hist, 4) 54 ), 55 56 TP_fast_assign( 57 __entry->thrs = thrs; 58 __entry->len = len; 59 __entry->last_reap = last_reap; 60 __entry->hist_head = hist_head * BITS_PER_LONG; 61 __entry->now = now; 62 memcpy(__entry->hist, hist, sizeof(entry->hist)); 63 ), 64 65 TP_printk("thrs %u len %u last_reap %lu hist_head %lu now %lu hist %016lx %016lx %016lx %016lx", 66 __entry->thrs, __entry->len, 67 __entry->last_reap, __entry->hist_head, __entry->now, 68 __entry->hist[0], __entry->hist[1], 69 __entry->hist[2], __entry->hist[3]) 70 ); 71 72 #undef NO_DEV 73 74 #endif /* _TRACE_NAPI_H */ 75 76 /* This part must be outside protection */ 77 #include <trace/define_trace.h> 78