X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fwriteback.h;h=79f84b76559f92d72b3d34440c74c23205b900f3;hb=9a8687aa0cf51f3efd6f9f0aa1352ca9f1aa6816;hp=fd9c5206f6a5c6947fc4be94797088147cec3568;hpb=88dc2c975d6aa1cbff586fbb90bd9424e64edf9c;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/writeback.h b/instrumentation/events/lttng-module/writeback.h index fd9c5206..79f84b76 100644 --- a/instrumentation/events/lttng-module/writeback.h +++ b/instrumentation/events/lttng-module/writeback.h @@ -1,15 +1,19 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM writeback -#if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_WRITEBACK_H +#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 #ifndef _TRACE_WRITEBACK_DEF_ #define _TRACE_WRITEBACK_DEF_ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) { struct super_block *sb = inode->i_sb; @@ -19,8 +23,11 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) return sb->s_bdi; } +#endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) */ + #endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) #define show_inode_state(state) \ __print_flags(state, "|", \ {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ @@ -31,8 +38,24 @@ 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"} \ ) +#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ +#define show_inode_state(state) \ + __print_flags(state, "|", \ + {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ + {I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \ + {I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \ + {I_NEW, "I_NEW"}, \ + {I_WILL_FREE, "I_WILL_FREE"}, \ + {I_FREEING, "I_FREEING"}, \ + {I_CLEAR, "I_CLEAR"}, \ + {I_SYNC, "I_SYNC"}, \ + {I_REFERENCED, "I_REFERENCED"} \ + ) +#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) #define WB_WORK_REASON \ @@ -46,11 +69,195 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) {WB_REASON_FORKER_THREAD, "forker_thread"} #endif -DECLARE_EVENT_CLASS(writeback_work_class, +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) + +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(inode_to_bdi(mapping->host)->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 + ) +) + +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, state) + __field(unsigned long, flags) + ), + TP_fast_assign( + /* may be called for files on pseudo FSes w/ unregistered bdi */ + tp_memcpy(name, + inode_to_bdi(inode)->dev ? + dev_name(inode_to_bdi(inode)->dev) : "(unknown)", 32) + tp_assign(ino, inode->i_ino) + tp_assign(state, inode->i_state) + tp_assign(flags, flags) + ), + TP_printk("bdi %s: ino=%lu flags=%s", + __entry->name, + __entry->ino, + show_inode_state(__entry->flags) + ) +) +#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ +LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ + TP_PROTO(struct inode *inode, int flags), \ + 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_to_bdi(inode)->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 + ) +) + +#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ +LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ + TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ + TP_ARGS(inode, wbc)) +LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start) +LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode) + +#elif (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 + ) +) + +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( + /* 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) + ) +) +#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \ +LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \ + TP_PROTO(struct inode *inode, int flags), \ + 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_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 + ) +) + +#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \ +LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ + TP_PROTO(struct inode *inode, struct writeback_control *wbc), \ + 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)) */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) + +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_text(char, name, 32) + ), + TP_fast_assign( + tp_memcpy(name, bdi->dev ? dev_name(bdi->dev) : + "(unknown)", 32) + ), + TP_printk("bdi %s", + __entry->name + ) +) + +#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ + +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) + __array_text(char, name, 32) ), TP_fast_assign( tp_memcpy(name, dev_name(bdi->dev ? bdi->dev : @@ -60,20 +267,23 @@ DECLARE_EVENT_CLASS(writeback_work_class, __entry->name ) ) -#define DEFINE_WRITEBACK_WORK_EVENT(name) \ -DEFINE_EVENT(writeback_work_class, name, \ + +#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ + +#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)) -DEFINE_WRITEBACK_WORK_EVENT(writeback_nothread) -DEFINE_WRITEBACK_WORK_EVENT(writeback_queue) -DEFINE_WRITEBACK_WORK_EVENT(writeback_exec) +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)) -DEFINE_WRITEBACK_WORK_EVENT(writeback_start) -DEFINE_WRITEBACK_WORK_EVENT(writeback_written) -DEFINE_WRITEBACK_WORK_EVENT(writeback_wait) +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 -TRACE_EVENT(writeback_pages_written, +LTTNG_TRACEPOINT_EVENT(writeback_pages_written, TP_PROTO(long pages_written), TP_ARGS(pages_written), TP_STRUCT__entry( @@ -85,11 +295,11 @@ TRACE_EVENT(writeback_pages_written, TP_printk("%ld", __entry->pages) ) -DECLARE_EVENT_CLASS(writeback_class, +LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, TP_PROTO(struct backing_dev_info *bdi), TP_ARGS(bdi), TP_STRUCT__entry( - __array(char, name, 32) + __array_text(char, name, 32) ), TP_fast_assign( tp_memcpy(name, dev_name(bdi->dev), 32) @@ -98,13 +308,14 @@ DECLARE_EVENT_CLASS(writeback_class, __entry->name ) ) +#undef DEFINE_WRITEBACK_EVENT #define DEFINE_WRITEBACK_EVENT(name) \ -DEFINE_EVENT(writeback_class, name, \ +LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \ TP_PROTO(struct backing_dev_info *bdi), \ TP_ARGS(bdi)) #define DEFINE_WRITEBACK_EVENT_MAP(name, map) \ -DEFINE_EVENT_MAP(writeback_class, name, map, \ +LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ TP_PROTO(struct backing_dev_info *bdi), \ TP_ARGS(bdi)) @@ -122,7 +333,7 @@ DEFINE_WRITEBACK_EVENT(writeback_thread_stop) DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start) DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait) -TRACE_EVENT_MAP(balance_dirty_written, +LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, writeback_balance_dirty_written, @@ -147,11 +358,11 @@ TRACE_EVENT_MAP(balance_dirty_written, ) #endif -DECLARE_EVENT_CLASS(writeback_wbc_class, +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) + __array_text(char, name, 32) __field(long, nr_to_write) __field(long, pages_skipped) __field(int, sync_mode) @@ -209,22 +420,22 @@ DECLARE_EVENT_CLASS(writeback_wbc_class, ) #undef DEFINE_WBC_EVENT -#define DEFINE_WBC_EVENT(name, map) \ -DEFINE_EVENT_MAP(writeback_wbc_class, name, map, \ +#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \ +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)) -DEFINE_WBC_EVENT(wbc_writeback_start, writeback_wbc_writeback_start) -DEFINE_WBC_EVENT(wbc_writeback_written, writeback_wbc_writeback_written) -DEFINE_WBC_EVENT(wbc_writeback_wait, writeback_wbc_writeback_wait) -DEFINE_WBC_EVENT(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start) -DEFINE_WBC_EVENT(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written) -DEFINE_WBC_EVENT(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait) +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 -DEFINE_WBC_EVENT(wbc_writepage, writeback_wbc_writepage) +LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) -TRACE_EVENT(writeback_queue_io, +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, @@ -271,7 +482,7 @@ TRACE_EVENT(writeback_queue_io, #endif ) -TRACE_EVENT_MAP(global_dirty_state, +LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, writeback_global_dirty_state, @@ -324,7 +535,7 @@ TRACE_EVENT_MAP(global_dirty_state, #define KBps(x) ((x) << (PAGE_SHIFT - 10)) -TRACE_EVENT_MAP(bdi_dirty_ratelimit, +LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, writeback_bdi_dirty_ratelimit, @@ -369,7 +580,7 @@ TRACE_EVENT_MAP(bdi_dirty_ratelimit, ) ) -TRACE_EVENT_MAP(balance_dirty_pages, +LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, writeback_balance_dirty_pages, @@ -485,13 +696,13 @@ TRACE_EVENT_MAP(balance_dirty_pages, #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) -TRACE_EVENT(writeback_sb_inodes_requeue, +LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, TP_PROTO(struct inode *inode), TP_ARGS(inode), TP_STRUCT__entry( - __array(char, name, 32) + __array_text(char, name, 32) __field(unsigned long, ino) __field(unsigned long, state) __field(unsigned long, dirtied_when) @@ -515,7 +726,7 @@ TRACE_EVENT(writeback_sb_inodes_requeue, #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) -DECLARE_EVENT_CLASS(writeback_congest_waited_template, +LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template, TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), @@ -536,14 +747,14 @@ DECLARE_EVENT_CLASS(writeback_congest_waited_template, __entry->usec_delayed) ) -DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait, +LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait, TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), TP_ARGS(usec_timeout, usec_delayed) ) -DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested, +LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested, TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed), @@ -552,7 +763,7 @@ DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested, #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) -DECLARE_EVENT_CLASS(writeback_single_inode_template, +LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, TP_PROTO(struct inode *inode, struct writeback_control *wbc, @@ -562,7 +773,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, TP_ARGS(inode, wbc, nr_to_write), TP_STRUCT__entry( - __array(char, name, 32) + __array_text(char, name, 32) __field(unsigned long, ino) __field(unsigned long, state) __field(unsigned long, dirtied_when) @@ -595,7 +806,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, ) #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) -DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_requeue, +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), @@ -603,7 +814,7 @@ DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_requeue, ) #endif -DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode, +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), @@ -611,7 +822,7 @@ DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode, ) #endif -#endif /* _TRACE_WRITEBACK_H */ +#endif /* LTTNG_TRACE_WRITEBACK_H */ /* This part must be outside protection */ #include "../../../probes/define_trace.h"