1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM oom 3 4 #if !defined(_TRACE_OOM_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_OOM_H 6 #include <linux/tracepoint.h> 7 #include <trace/events/mmflags.h> 8 9 TRACE_EVENT(oom_score_adj_update, 10 11 TP_PROTO(struct task_struct *task), 12 13 TP_ARGS(task), 14 15 TP_STRUCT__entry( 16 __field( pid_t, pid) 17 __array( char, comm, TASK_COMM_LEN ) 18 __field( short, oom_score_adj) 19 ), 20 21 TP_fast_assign( 22 __entry->pid = task->pid; 23 memcpy(__entry->comm, task->comm, TASK_COMM_LEN); 24 __entry->oom_score_adj = task->signal->oom_score_adj; 25 ), 26 27 TP_printk("pid=%d comm=%s oom_score_adj=%hd", 28 __entry->pid, __entry->comm, __entry->oom_score_adj) 29 ); 30 31 TRACE_EVENT(reclaim_retry_zone, 32 33 TP_PROTO(struct zoneref *zoneref, 34 int order, 35 unsigned long reclaimable, 36 unsigned long available, 37 unsigned long min_wmark, 38 int no_progress_loops, 39 bool wmark_check), 40 41 TP_ARGS(zoneref, order, reclaimable, available, min_wmark, no_progress_loops, wmark_check), 42 43 TP_STRUCT__entry( 44 __field( int, node) 45 __field( int, zone_idx) 46 __field( int, order) 47 __field( unsigned long, reclaimable) 48 __field( unsigned long, available) 49 __field( unsigned long, min_wmark) 50 __field( int, no_progress_loops) 51 __field( bool, wmark_check) 52 ), 53 54 TP_fast_assign( 55 __entry->node = zone_to_nid(zoneref->zone); 56 __entry->zone_idx = zoneref->zone_idx; 57 __entry->order = order; 58 __entry->reclaimable = reclaimable; 59 __entry->available = available; 60 __entry->min_wmark = min_wmark; 61 __entry->no_progress_loops = no_progress_loops; 62 __entry->wmark_check = wmark_check; 63 ), 64 65 TP_printk("node=%d zone=%-8s order=%d reclaimable=%lu available=%lu min_wmark=%lu no_progress_loops=%d wmark_check=%d", 66 __entry->node, __print_symbolic(__entry->zone_idx, ZONE_TYPE), 67 __entry->order, 68 __entry->reclaimable, __entry->available, __entry->min_wmark, 69 __entry->no_progress_loops, 70 __entry->wmark_check) 71 ); 72 #endif 73 74 /* This part must be outside protection */ 75 #include <trace/define_trace.h> 76