X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fwriteback.h;h=0bdd3c826661f408635ee20f96e865f8edb9bd0b;hb=369708f464bedc0682151df9308cebfa14dbdb2b;hp=111decf069aab41ad20de8c77c402b5d547a6264;hpb=aa634cd14131f2d4f0f53af68fc534c476de228a;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/writeback.h b/instrumentation/events/lttng-module/writeback.h index 111decf0..0bdd3c82 100644 --- a/instrumentation/events/lttng-module/writeback.h +++ b/instrumentation/events/lttng-module/writeback.h @@ -1,26 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #undef TRACE_SYSTEM #define TRACE_SYSTEM writeback #if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) #define LTTNG_TRACE_WRITEBACK_H -#include "../../../probes/lttng-tracepoint-event.h" +#include #include #include #include -#include #ifndef _TRACE_WRITEBACK_DEF_ #define _TRACE_WRITEBACK_DEF_ -static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) -{ - struct super_block *sb = inode->i_sb; - - if (strcmp(sb->s_type->name, "bdev") == 0) - return inode->i_mapping->backing_dev_info; - return sb->s_bdi; +static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode) +{ + return inode_to_bdi(inode); } + #endif #define show_inode_state(state) \ @@ -33,63 +30,33 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) {I_FREEING, "I_FREEING"}, \ {I_CLEAR, "I_CLEAR"}, \ {I_SYNC, "I_SYNC"}, \ + {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ + {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \ {I_REFERENCED, "I_REFERENCED"} \ ) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) -#define WB_WORK_REASON \ - {WB_REASON_BACKGROUND, "background"}, \ - {WB_REASON_TRY_TO_FREE_PAGES, "try_to_free_pages"}, \ - {WB_REASON_SYNC, "sync"}, \ - {WB_REASON_PERIODIC, "periodic"}, \ - {WB_REASON_LAPTOP_TIMER, "laptop_timer"}, \ - {WB_REASON_FREE_MORE_MEM, "free_more_memory"}, \ - {WB_REASON_FS_FREE_SPACE, "fs_free_space"}, \ - {WB_REASON_FORKER_THREAD, "forker_thread"} -#endif - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) LTTNG_TRACEPOINT_EVENT(writeback_dirty_page, TP_PROTO(struct page *page, struct address_space *mapping), TP_ARGS(page, mapping), - TP_STRUCT__entry ( - __array_text(char, name, 32) - __field(unsigned long, ino) - __field(pgoff_t, index) - ), - TP_fast_assign( - tp_memcpy(name, - mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32) - tp_assign(ino, mapping ? mapping->host->i_ino : 0) - tp_assign(index, page->index) - ), - TP_printk("bdi %s: ino=%lu index=%lu", - __entry->name, - __entry->ino, - __entry->index + TP_FIELDS( + ctf_array_text(char, name, + mapping ? dev_name(lttng_inode_to_bdi(mapping->host)->dev) : "(unknown)", 32) + ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0) + ctf_integer(pgoff_t, index, page->index) ) ) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, TP_PROTO(struct inode *inode, int flags), TP_ARGS(inode, flags), - TP_STRUCT__entry ( - __array_text(char, name, 32) - __field(unsigned long, ino) - __field(unsigned long, flags) - ), - TP_fast_assign( + TP_FIELDS( /* may be called for files on pseudo FSes w/ unregistered bdi */ - tp_memcpy(name, - inode->i_mapping->backing_dev_info->dev ? - dev_name(inode->i_mapping->backing_dev_info->dev) : "(unknown)", 32) - tp_assign(ino, inode->i_ino) - tp_assign(flags, flags) - ), - TP_printk("bdi %s: ino=%lu flags=%s", - __entry->name, - __entry->ino, - show_inode_state(__entry->flags) + ctf_array_text(char, name, + lttng_inode_to_bdi(inode)->dev ? + dev_name(lttng_inode_to_bdi(inode)->dev) : "(unknown)", 32) + ctf_integer(unsigned long, ino, inode->i_ino) + ctf_integer(unsigned long, state, inode->i_state) + ctf_integer(unsigned long, flags, flags) ) ) #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ @@ -98,25 +65,16 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ TP_ARGS(inode, flags)) LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start) LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode) +LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, TP_PROTO(struct inode *inode, struct writeback_control *wbc), TP_ARGS(inode, wbc), - TP_STRUCT__entry ( - __array_text(char, name, 32) - __field(unsigned long, ino) - __field(int, sync_mode) - ), - TP_fast_assign( - tp_memcpy(name, - dev_name(inode->i_mapping->backing_dev_info->dev), 32) - tp_assign(ino, inode->i_ino) - tp_assign(sync_mode, wbc->sync_mode) - ), - TP_printk("bdi %s: ino=%lu sync_mode=%d", - __entry->name, - __entry->ino, - __entry->sync_mode + TP_FIELDS( + ctf_array_text(char, name, + dev_name(lttng_inode_to_bdi(inode)->dev), 32) + ctf_integer(unsigned long, ino, inode->i_ino) + ctf_integer(int, sync_mode, wbc->sync_mode) ) ) @@ -126,169 +84,88 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ TP_ARGS(inode, wbc)) LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) -#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, - TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), - TP_ARGS(bdi, work), - TP_STRUCT__entry( - __array(char, name, 32) - ), - TP_fast_assign( - tp_memcpy(name, dev_name(bdi->dev ? bdi->dev : - default_backing_dev_info.dev), 32) - ), - TP_printk("bdi %s", - __entry->name + TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), + TP_ARGS(wb, work), + TP_FIELDS( + ctf_array_text(char, name, wb->bdi->dev ? dev_name(wb->bdi->dev) : + "(unknown)", 32) ) ) + #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ - TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ - TP_ARGS(bdi, work)) + TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \ + TP_ARGS(wb, work)) + LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread) LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue) LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start) LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written) LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait) -#endif LTTNG_TRACEPOINT_EVENT(writeback_pages_written, TP_PROTO(long pages_written), TP_ARGS(pages_written), - TP_STRUCT__entry( - __field(long, pages) - ), - TP_fast_assign( - tp_assign(pages, pages_written) - ), - TP_printk("%ld", __entry->pages) + TP_FIELDS( + ctf_integer(long, pages, pages_written) + ) ) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, - TP_PROTO(struct backing_dev_info *bdi), - TP_ARGS(bdi), - TP_STRUCT__entry( - __array(char, name, 32) - ), - TP_fast_assign( - tp_memcpy(name, dev_name(bdi->dev), 32) - ), - TP_printk("bdi %s", - __entry->name + TP_PROTO(struct bdi_writeback *wb), + TP_ARGS(wb), + TP_FIELDS( + ctf_array_text(char, name, + dev_name(wb->bdi->dev), 32) ) ) + #undef DEFINE_WRITEBACK_EVENT #define DEFINE_WRITEBACK_EVENT(name) \ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ - TP_PROTO(struct backing_dev_info *bdi), \ - TP_ARGS(bdi)) + TP_PROTO(struct bdi_writeback *wb), \ + TP_ARGS(wb)) #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ - TP_PROTO(struct backing_dev_info *bdi), \ - TP_ARGS(bdi)) + TP_PROTO(struct bdi_writeback *wb), \ + TP_ARGS(wb)) + +LTTNG_TRACEPOINT_EVENT(writeback_bdi_register, + TP_PROTO(struct backing_dev_info *bdi), + TP_ARGS(bdi), + TP_FIELDS( + ctf_array_text(char, name, + dev_name(bdi->dev), 32) + ) +) DEFINE_WRITEBACK_EVENT(writeback_nowork) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)) DEFINE_WRITEBACK_EVENT(writeback_wake_background) -#endif DEFINE_WRITEBACK_EVENT(writeback_wake_thread) DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread) -DEFINE_WRITEBACK_EVENT(writeback_bdi_register) DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister) DEFINE_WRITEBACK_EVENT(writeback_thread_start) DEFINE_WRITEBACK_EVENT(writeback_thread_stop) -#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0)) -DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) -DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) - -LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, - - writeback_balance_dirty_written, - - TP_PROTO(struct backing_dev_info *bdi, int written), - - TP_ARGS(bdi, written), - - TP_STRUCT__entry( - __array(char, name, 32) - __field(int, written) - ), - - TP_fast_assign( - tp_memcpy(name, dev_name(bdi->dev), 32) - tp_assign(written, written) - ), - - TP_printk("bdi %s written %d", - __entry->name, - __entry->written - ) -) -#endif LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), TP_ARGS(wbc, bdi), - TP_STRUCT__entry( - __array(char, name, 32) - __field(long, nr_to_write) - __field(long, pages_skipped) - __field(int, sync_mode) - __field(int, for_kupdate) - __field(int, for_background) - __field(int, for_reclaim) - __field(int, range_cyclic) -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) - __field(int, more_io) - __field(unsigned long, older_than_this) -#endif - __field(long, range_start) - __field(long, range_end) - ), - - TP_fast_assign( - tp_memcpy(name, dev_name(bdi->dev), 32) - tp_assign(nr_to_write, wbc->nr_to_write) - tp_assign(pages_skipped, wbc->pages_skipped) - tp_assign(sync_mode, wbc->sync_mode) - tp_assign(for_kupdate, wbc->for_kupdate) - tp_assign(for_background, wbc->for_background) - tp_assign(for_reclaim, wbc->for_reclaim) - tp_assign(range_cyclic, wbc->range_cyclic) -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) - tp_assign(more_io, wbc->more_io) - tp_assign(older_than_this, wbc->older_than_this ? - *wbc->older_than_this : 0) -#endif - tp_assign(range_start, (long)wbc->range_start) - tp_assign(range_end, (long)wbc->range_end) - ), - - TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d " -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) - "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx " -#else - "bgrd=%d reclm=%d cyclic=%d " -#endif - "start=0x%lx end=0x%lx", - __entry->name, - __entry->nr_to_write, - __entry->pages_skipped, - __entry->sync_mode, - __entry->for_kupdate, - __entry->for_background, - __entry->for_reclaim, - __entry->range_cyclic, -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) - __entry->more_io, - __entry->older_than_this, -#endif - __entry->range_start, - __entry->range_end) + TP_FIELDS( + ctf_array_text(char, name, dev_name(bdi->dev), 32) + ctf_integer(long, nr_to_write, wbc->nr_to_write) + ctf_integer(long, pages_skipped, wbc->pages_skipped) + ctf_integer(int, sync_mode, wbc->sync_mode) + ctf_integer(int, for_kupdate, wbc->for_kupdate) + ctf_integer(int, for_background, wbc->for_background) + ctf_integer(int, for_reclaim, wbc->for_reclaim) + ctf_integer(int, range_cyclic, wbc->range_cyclic) + ctf_integer(long, range_start, (long) wbc->range_start) + ctf_integer(long, range_end, (long) wbc->range_end) + ) ) #undef DEFINE_WBC_EVENT @@ -296,114 +173,44 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \ TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \ TP_ARGS(wbc, bdi)) -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) -LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start) -LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written) -LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait) -LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) -LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) -LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) -#endif LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) LTTNG_TRACEPOINT_EVENT(writeback_queue_io, TP_PROTO(struct bdi_writeback *wb, -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) struct wb_writeback_work *work, -#else - unsigned long *older_than_this, -#endif int moved), -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) TP_ARGS(wb, work, moved), -#else - TP_ARGS(wb, older_than_this, moved), -#endif - TP_STRUCT__entry( - __array(char, name, 32) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) -#else - __field(unsigned long, older) - __field(long, age) -#endif - __field(int, moved) - ), - TP_fast_assign( - tp_memcpy(name, dev_name(wb->bdi->dev), 32) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) -#else - tp_assign(older, older_than_this ? *older_than_this : 0) - tp_assign(age, older_than_this ? - (jiffies - *older_than_this) * 1000 / HZ : -1) -#endif - tp_assign(moved, moved) - ), -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) - TP_printk("bdi %s: enqueue=%d", - __entry->name, - __entry->moved, - ) -#else - TP_printk("bdi %s: older=%lu age=%ld enqueue=%d", - __entry->name, - __entry->older, /* older_than_this in jiffies */ - __entry->age, /* older_than_this in relative milliseconds */ - __entry->moved + TP_FIELDS( + ctf_array_text(char, name, dev_name(wb->bdi->dev), 32) + ctf_integer(int, moved, moved) ) -#endif ) LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, writeback_global_dirty_state, - TP_PROTO(unsigned long background_thresh, + TP_PROTO(struct wb_domain *domain, + unsigned long background_thresh, unsigned long dirty_thresh ), - TP_ARGS(background_thresh, + TP_ARGS(domain, + background_thresh, dirty_thresh ), - TP_STRUCT__entry( - __field(unsigned long, nr_dirty) - __field(unsigned long, nr_writeback) - __field(unsigned long, nr_unstable) - __field(unsigned long, background_thresh) - __field(unsigned long, dirty_thresh) - __field(unsigned long, dirty_limit) - __field(unsigned long, nr_dirtied) - __field(unsigned long, nr_written) - ), - - TP_fast_assign( - tp_assign(nr_dirty, global_page_state(NR_FILE_DIRTY)) - tp_assign(nr_writeback, global_page_state(NR_WRITEBACK)) - tp_assign(nr_unstable, global_page_state(NR_UNSTABLE_NFS)) - tp_assign(nr_dirtied, global_page_state(NR_DIRTIED)) - tp_assign(nr_written, global_page_state(NR_WRITTEN)) - tp_assign(background_thresh, background_thresh) - tp_assign(dirty_thresh, dirty_thresh) - tp_assign(dirty_limit, global_dirty_limit) - ), - - TP_printk("dirty=%lu writeback=%lu unstable=%lu " - "bg_thresh=%lu thresh=%lu limit=%lu " - "dirtied=%lu written=%lu", - __entry->nr_dirty, - __entry->nr_writeback, - __entry->nr_unstable, - __entry->background_thresh, - __entry->dirty_thresh, - __entry->dirty_limit, - __entry->nr_dirtied, - __entry->nr_written + TP_FIELDS( + ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY)) + ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK)) + ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS)) + ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED)) + ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN)) + ctf_integer(unsigned long, background_thresh, background_thresh) + ctf_integer(unsigned long, dirty_thresh, dirty_thresh) + ctf_integer(unsigned long, dirty_limit, domain->dirty_limit) ) ) -#endif - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) #define KBps(x) ((x) << (PAGE_SHIFT - 10)) @@ -411,44 +218,21 @@ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, writeback_bdi_dirty_ratelimit, - TP_PROTO(struct backing_dev_info *bdi, + TP_PROTO(struct bdi_writeback *wb, unsigned long dirty_rate, unsigned long task_ratelimit), - TP_ARGS(bdi, dirty_rate, task_ratelimit), - - TP_STRUCT__entry( - __array(char, bdi, 32) - __field(unsigned long, write_bw) - __field(unsigned long, avg_write_bw) - __field(unsigned long, dirty_rate) - __field(unsigned long, dirty_ratelimit) - __field(unsigned long, task_ratelimit) - __field(unsigned long, balanced_dirty_ratelimit) - ), - - TP_fast_assign( - tp_memcpy(bdi, dev_name(bdi->dev), 32) - tp_assign(write_bw, KBps(bdi->write_bandwidth)) - tp_assign(avg_write_bw, KBps(bdi->avg_write_bandwidth)) - tp_assign(dirty_rate, KBps(dirty_rate)) - tp_assign(dirty_ratelimit, KBps(bdi->dirty_ratelimit)) - tp_assign(task_ratelimit, KBps(task_ratelimit)) - tp_assign(balanced_dirty_ratelimit, - KBps(bdi->balanced_dirty_ratelimit)) - ), - - TP_printk("bdi %s: " - "write_bw=%lu awrite_bw=%lu dirty_rate=%lu " - "dirty_ratelimit=%lu task_ratelimit=%lu " - "balanced_dirty_ratelimit=%lu", - __entry->bdi, - __entry->write_bw, /* write bandwidth */ - __entry->avg_write_bw, /* avg write bandwidth */ - __entry->dirty_rate, /* bdi dirty rate */ - __entry->dirty_ratelimit, /* base ratelimit */ - __entry->task_ratelimit, /* ratelimit with position control */ - __entry->balanced_dirty_ratelimit /* the balanced ratelimit */ + TP_ARGS(wb, dirty_rate, task_ratelimit), + + TP_FIELDS( + ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) + ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth)) + ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth)) + ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) + ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit)) + ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit)) + ctf_integer(unsigned long, balanced_dirty_ratelimit, + KBps(wb->bdi->wb.balanced_dirty_ratelimit)) ) ) @@ -456,167 +240,73 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, writeback_balance_dirty_pages, - TP_PROTO(struct backing_dev_info *bdi, - unsigned long thresh, - unsigned long bg_thresh, - unsigned long dirty, - unsigned long bdi_thresh, - unsigned long bdi_dirty, + TP_PROTO(struct wb_domain *domain, + struct bdi_writeback *wb, + struct dirty_throttle_control *sdtc, unsigned long dirty_ratelimit, unsigned long task_ratelimit, unsigned long dirtied, -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) unsigned long period, -#endif long pause, unsigned long start_time), - TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, + TP_ARGS(domain, wb, sdtc, dirty_ratelimit, task_ratelimit, -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) - dirtied, period, pause, start_time), -#else - dirtied, pause, start_time), -#endif - TP_STRUCT__entry( - __array( char, bdi, 32) - __field(unsigned long, limit) - __field(unsigned long, setpoint) - __field(unsigned long, dirty) - __field(unsigned long, bdi_setpoint) - __field(unsigned long, bdi_dirty) - __field(unsigned long, dirty_ratelimit) - __field(unsigned long, task_ratelimit) - __field(unsigned int, dirtied) - __field(unsigned int, dirtied_pause) - __field(unsigned long, paused) - __field( long, pause) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) - __field(unsigned long, period) - __field( long, think) -#endif - ), - - TP_fast_assign( - tp_memcpy(bdi, dev_name(bdi->dev), 32) - tp_assign(limit, global_dirty_limit) - tp_assign(setpoint, - (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) - tp_assign(dirty, dirty) - tp_assign(bdi_setpoint, - ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) * - bdi_thresh / (thresh + 1)) - tp_assign(bdi_dirty, bdi_dirty) - tp_assign(dirty_ratelimit, KBps(dirty_ratelimit)) - tp_assign(task_ratelimit, KBps(task_ratelimit)) - tp_assign(dirtied, dirtied) - tp_assign(dirtied_pause, current->nr_dirtied_pause) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) - tp_assign(think, current->dirty_paused_when == 0 ? 0 : - (long)(jiffies - current->dirty_paused_when) * 1000/HZ) - tp_assign(period, period * 1000 / HZ) -#endif - tp_assign(pause, pause * 1000 / HZ) - tp_assign(paused, (jiffies - start_time) * 1000 / HZ) - ), - - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) - TP_printk("bdi %s: " - "limit=%lu setpoint=%lu dirty=%lu " - "bdi_setpoint=%lu bdi_dirty=%lu " - "dirty_ratelimit=%lu task_ratelimit=%lu " - "dirtied=%u dirtied_pause=%u " - "paused=%lu pause=%ld period=%lu think=%ld", - __entry->bdi, - __entry->limit, - __entry->setpoint, - __entry->dirty, - __entry->bdi_setpoint, - __entry->bdi_dirty, - __entry->dirty_ratelimit, - __entry->task_ratelimit, - __entry->dirtied, - __entry->dirtied_pause, - __entry->paused, /* ms */ - __entry->pause, /* ms */ - __entry->period, /* ms */ - __entry->think /* ms */ - ) -#else - TP_printk("bdi %s: " - "limit=%lu setpoint=%lu dirty=%lu " - "bdi_setpoint=%lu bdi_dirty=%lu " - "dirty_ratelimit=%lu task_ratelimit=%lu " - "dirtied=%u dirtied_pause=%u " - "paused=%lu pause=%ld", - __entry->bdi, - __entry->limit, - __entry->setpoint, - __entry->dirty, - __entry->bdi_setpoint, - __entry->bdi_dirty, - __entry->dirty_ratelimit, - __entry->task_ratelimit, - __entry->dirtied, - __entry->dirtied_pause, - __entry->paused, /* ms */ - __entry->pause /* ms */ - ) -#endif + dirtied, period, pause, start_time + ), + + TP_FIELDS( + ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) + ctf_integer(unsigned long, limit, domain->dirty_limit) + ctf_integer(unsigned long, setpoint, + (domain->dirty_limit + (sdtc->thresh + sdtc->bg_thresh) / 2) / 2) + ctf_integer(unsigned long, dirty, sdtc->dirty) + ctf_integer(unsigned long, bdi_setpoint, + ((domain->dirty_limit + (sdtc->thresh + sdtc->bg_thresh) / 2) / 2) * + sdtc->wb_thresh / (sdtc->thresh + 1)) + ctf_integer(unsigned long, bdi_dirty, sdtc->wb_dirty) + ctf_integer(unsigned long, dirty_ratelimit, + KBps(dirty_ratelimit)) + ctf_integer(unsigned long, task_ratelimit, + KBps(task_ratelimit)) + ctf_integer(unsigned int, dirtied, dirtied) + ctf_integer(unsigned int, dirtied_pause, + current->nr_dirtied_pause) + ctf_integer(unsigned long, paused, + (jiffies - start_time) * 1000 / HZ) + ctf_integer(long, pause, pause * 1000 / HZ) + ctf_integer(unsigned long, period, + period * 1000 / HZ) + ctf_integer(long, think, + current->dirty_paused_when == 0 ? 0 : + (long)(jiffies - current->dirty_paused_when) * 1000/HZ) + ) ) -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, TP_PROTO(struct inode *inode), TP_ARGS(inode), - TP_STRUCT__entry( - __array(char, name, 32) - __field(unsigned long, ino) - __field(unsigned long, state) - __field(unsigned long, dirtied_when) - ), - - TP_fast_assign( - tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) - tp_assign(ino, inode->i_ino) - tp_assign(state, inode->i_state) - tp_assign(dirtied_when, inode->dirtied_when) - ), - - TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu", - __entry->name, - __entry->ino, - show_inode_state(__entry->state), - __entry->dirtied_when, - (jiffies - __entry->dirtied_when) / HZ + TP_FIELDS( + ctf_array_text(char, name, + dev_name(lttng_inode_to_bdi(inode)->dev), 32) + ctf_integer(unsigned long, ino, inode->i_ino) + ctf_integer(unsigned long, state, inode->i_state) + ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) ) ) -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), TP_ARGS(usec_timeout, usec_delayed), - TP_STRUCT__entry( - __field( unsigned int, usec_timeout ) - __field( unsigned int, usec_delayed ) - ), - - TP_fast_assign( - tp_assign(usec_timeout, usec_timeout) - tp_assign(usec_delayed, usec_delayed) - ), - - TP_printk("usec_timeout=%u usec_delayed=%u", - __entry->usec_timeout, - __entry->usec_delayed) + TP_FIELDS( + ctf_integer(unsigned int, usec_timeout, usec_timeout) + ctf_integer(unsigned int, usec_delayed, usec_delayed) + ) ) LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, @@ -632,9 +322,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wai TP_ARGS(usec_timeout, usec_delayed) ) -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, TP_PROTO(struct inode *inode, @@ -644,57 +332,28 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, TP_ARGS(inode, wbc, nr_to_write), - TP_STRUCT__entry( - __array(char, name, 32) - __field(unsigned long, ino) - __field(unsigned long, state) - __field(unsigned long, dirtied_when) - __field(unsigned long, writeback_index) - __field(long, nr_to_write) - __field(unsigned long, wrote) - ), - - TP_fast_assign( - tp_memcpy(name, dev_name(inode_to_bdi(inode)->dev), 32) - tp_assign(ino, inode->i_ino) - tp_assign(state, inode->i_state) - tp_assign(dirtied_when, inode->dirtied_when) - tp_assign(writeback_index, inode->i_mapping->writeback_index) - tp_assign(nr_to_write, nr_to_write) - tp_assign(wrote, nr_to_write - wbc->nr_to_write) - ), - - TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu " - "index=%lu to_write=%ld wrote=%lu", - __entry->name, - __entry->ino, - show_inode_state(__entry->state), - __entry->dirtied_when, - (jiffies - __entry->dirtied_when) / HZ, - __entry->writeback_index, - __entry->nr_to_write, - __entry->wrote + TP_FIELDS( + ctf_array_text(char, name, + dev_name(lttng_inode_to_bdi(inode)->dev), 32) + ctf_integer(unsigned long, ino, inode->i_ino) + ctf_integer(unsigned long, state, inode->i_state) + ctf_integer(unsigned long, dirtied_when, inode->dirtied_when) + ctf_integer(unsigned long, writeback_index, + inode->i_mapping->writeback_index) + ctf_integer(long, nr_to_write, nr_to_write) + ctf_integer(unsigned long, wrote, + nr_to_write - wbc->nr_to_write) ) ) -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) -LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue, - TP_PROTO(struct inode *inode, - struct writeback_control *wbc, - unsigned long nr_to_write), - TP_ARGS(inode, wbc, nr_to_write) -) -#endif - LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode, TP_PROTO(struct inode *inode, struct writeback_control *wbc, unsigned long nr_to_write), TP_ARGS(inode, wbc, nr_to_write) ) -#endif #endif /* LTTNG_TRACE_WRITEBACK_H */ /* This part must be outside protection */ -#include "../../../probes/define_trace.h" +#include