1*455b2864SDave Chinner #undef TRACE_SYSTEM 2*455b2864SDave Chinner #define TRACE_SYSTEM writeback 3*455b2864SDave Chinner 4*455b2864SDave Chinner #if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) 5*455b2864SDave Chinner #define _TRACE_WRITEBACK_H 6*455b2864SDave Chinner 7*455b2864SDave Chinner #include <linux/backing-dev.h> 8*455b2864SDave Chinner #include <linux/writeback.h> 9*455b2864SDave Chinner 10*455b2864SDave Chinner struct wb_writeback_work; 11*455b2864SDave Chinner 12*455b2864SDave Chinner DECLARE_EVENT_CLASS(writeback_work_class, 13*455b2864SDave Chinner TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), 14*455b2864SDave Chinner TP_ARGS(bdi, work), 15*455b2864SDave Chinner TP_STRUCT__entry( 16*455b2864SDave Chinner __array(char, name, 32) 17*455b2864SDave Chinner __field(long, nr_pages) 18*455b2864SDave Chinner __field(dev_t, sb_dev) 19*455b2864SDave Chinner __field(int, sync_mode) 20*455b2864SDave Chinner __field(int, for_kupdate) 21*455b2864SDave Chinner __field(int, range_cyclic) 22*455b2864SDave Chinner __field(int, for_background) 23*455b2864SDave Chinner ), 24*455b2864SDave Chinner TP_fast_assign( 25*455b2864SDave Chinner strncpy(__entry->name, dev_name(bdi->dev), 32); 26*455b2864SDave Chinner __entry->nr_pages = work->nr_pages; 27*455b2864SDave Chinner __entry->sb_dev = work->sb ? work->sb->s_dev : 0; 28*455b2864SDave Chinner __entry->sync_mode = work->sync_mode; 29*455b2864SDave Chinner __entry->for_kupdate = work->for_kupdate; 30*455b2864SDave Chinner __entry->range_cyclic = work->range_cyclic; 31*455b2864SDave Chinner __entry->for_background = work->for_background; 32*455b2864SDave Chinner ), 33*455b2864SDave Chinner TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " 34*455b2864SDave Chinner "kupdate=%d range_cyclic=%d background=%d", 35*455b2864SDave Chinner __entry->name, 36*455b2864SDave Chinner MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), 37*455b2864SDave Chinner __entry->nr_pages, 38*455b2864SDave Chinner __entry->sync_mode, 39*455b2864SDave Chinner __entry->for_kupdate, 40*455b2864SDave Chinner __entry->range_cyclic, 41*455b2864SDave Chinner __entry->for_background 42*455b2864SDave Chinner ) 43*455b2864SDave Chinner ); 44*455b2864SDave Chinner #define DEFINE_WRITEBACK_WORK_EVENT(name) \ 45*455b2864SDave Chinner DEFINE_EVENT(writeback_work_class, name, \ 46*455b2864SDave Chinner TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ 47*455b2864SDave Chinner TP_ARGS(bdi, work)) 48*455b2864SDave Chinner DEFINE_WRITEBACK_WORK_EVENT(writeback_nothread); 49*455b2864SDave Chinner DEFINE_WRITEBACK_WORK_EVENT(writeback_queue); 50*455b2864SDave Chinner DEFINE_WRITEBACK_WORK_EVENT(writeback_exec); 51*455b2864SDave Chinner 52*455b2864SDave Chinner TRACE_EVENT(writeback_pages_written, 53*455b2864SDave Chinner TP_PROTO(long pages_written), 54*455b2864SDave Chinner TP_ARGS(pages_written), 55*455b2864SDave Chinner TP_STRUCT__entry( 56*455b2864SDave Chinner __field(long, pages) 57*455b2864SDave Chinner ), 58*455b2864SDave Chinner TP_fast_assign( 59*455b2864SDave Chinner __entry->pages = pages_written; 60*455b2864SDave Chinner ), 61*455b2864SDave Chinner TP_printk("%ld", __entry->pages) 62*455b2864SDave Chinner ); 63*455b2864SDave Chinner 64*455b2864SDave Chinner DECLARE_EVENT_CLASS(writeback_class, 65*455b2864SDave Chinner TP_PROTO(struct backing_dev_info *bdi), 66*455b2864SDave Chinner TP_ARGS(bdi), 67*455b2864SDave Chinner TP_STRUCT__entry( 68*455b2864SDave Chinner __array(char, name, 32) 69*455b2864SDave Chinner ), 70*455b2864SDave Chinner TP_fast_assign( 71*455b2864SDave Chinner strncpy(__entry->name, dev_name(bdi->dev), 32); 72*455b2864SDave Chinner ), 73*455b2864SDave Chinner TP_printk("bdi %s", 74*455b2864SDave Chinner __entry->name 75*455b2864SDave Chinner ) 76*455b2864SDave Chinner ); 77*455b2864SDave Chinner #define DEFINE_WRITEBACK_EVENT(name) \ 78*455b2864SDave Chinner DEFINE_EVENT(writeback_class, name, \ 79*455b2864SDave Chinner TP_PROTO(struct backing_dev_info *bdi), \ 80*455b2864SDave Chinner TP_ARGS(bdi)) 81*455b2864SDave Chinner 82*455b2864SDave Chinner DEFINE_WRITEBACK_EVENT(writeback_nowork); 83*455b2864SDave Chinner DEFINE_WRITEBACK_EVENT(writeback_bdi_register); 84*455b2864SDave Chinner DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister); 85*455b2864SDave Chinner DEFINE_WRITEBACK_EVENT(writeback_thread_start); 86*455b2864SDave Chinner DEFINE_WRITEBACK_EVENT(writeback_thread_stop); 87*455b2864SDave Chinner 88*455b2864SDave Chinner #endif /* _TRACE_WRITEBACK_H */ 89*455b2864SDave Chinner 90*455b2864SDave Chinner /* This part must be outside protection */ 91*455b2864SDave Chinner #include <trace/define_trace.h> 92