X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Finstrumentation%2Fevents%2Fwriteback.h;h=f05708a8376c6f949665eae06b19c4087977cf75;hb=dbabd7296e9bcfb263f96e78c185f1eb7346ee53;hp=1863ff71857ed11b6271c686e26f34dea3bf1c1c;hpb=da139c48d2e211028d4575d01caee17d4c26303a;p=lttng-modules.git diff --git a/include/instrumentation/events/writeback.h b/include/instrumentation/events/writeback.h index 1863ff71..f05708a8 100644 --- a/include/instrumentation/events/writeback.h +++ b/include/instrumentation/events/writeback.h @@ -9,11 +9,30 @@ #include #include #include -#include +#include #ifndef _TRACE_WRITEBACK_DEF_ #define _TRACE_WRITEBACK_DEF_ +/* + * Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use + * static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name + * symbol which is not exported to GPL modules. + */ +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0)) +static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi) +{ + return bdi_dev_name(bdi); +} +#else +static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi) +{ + if (!bdi || !bdi->dev) + return "(unknown)"; + return dev_name(bdi->dev); +} +#endif + /* * Vanilla kernels before 4.0 do not implement inode_to_bdi * RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi @@ -22,7 +41,7 @@ * commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines * inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules. */ -#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) +#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode) { struct super_block *sb; @@ -42,11 +61,11 @@ static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode) { return inode_to_bdi(inode); } -#endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) */ +#endif /* #if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,0,0)) */ #endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0)) #define show_inode_state(state) \ __print_flags(state, "|", \ {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ @@ -60,7 +79,7 @@ static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode) {I_DIRTY_TIME, "I_DIRTY_TIME"}, \ {I_REFERENCED, "I_REFERENCED"} \ ) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) #define show_inode_state(state) \ __print_flags(state, "|", \ {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ @@ -75,7 +94,7 @@ static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode) {I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \ {I_REFERENCED, "I_REFERENCED"} \ ) -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */ #define show_inode_state(state) \ __print_flags(state, "|", \ {I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \ @@ -88,16 +107,15 @@ static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode) {I_SYNC, "I_SYNC"}, \ {I_REFERENCED, "I_REFERENCED"} \ ) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,0,0)) */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_FIELDS( - ctf_array_text(char, name, - mapping ? dev_name(lttng_inode_to_bdi(mapping->host)->dev) : "(unknown)", 32) + ctf_string(name, lttng_bdi_dev_name(mapping ? lttng_inode_to_bdi(mapping->host) : NULL)) ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0) ctf_integer(pgoff_t, index, page->index) ) @@ -108,9 +126,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, TP_ARGS(inode, flags), TP_FIELDS( /* may be called for files on pseudo FSes w/ unregistered bdi */ - ctf_array_text(char, name, - lttng_inode_to_bdi(inode)->dev ? - dev_name(lttng_inode_to_bdi(inode)->dev) : "(unknown)", 32) + ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode))) ctf_integer(unsigned long, ino, inode->i_ino) ctf_integer(unsigned long, state, inode->i_state) ctf_integer(unsigned long, flags, flags) @@ -128,8 +144,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, TP_PROTO(struct inode *inode, struct writeback_control *wbc), TP_ARGS(inode, wbc), TP_FIELDS( - ctf_array_text(char, name, - dev_name(lttng_inode_to_bdi(inode)->dev), 32) + ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode))) ctf_integer(unsigned long, ino, inode->i_ino) ctf_integer(int, sync_mode, wbc->sync_mode) ) @@ -142,14 +157,13 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ 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)) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_FIELDS( - ctf_array_text(char, name, - mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32) + ctf_string(name, lttng_bdi_dev_name(mapping ? mapping->backing_dev_info : NULL)) ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0) ctf_integer(pgoff_t, index, page->index) ) @@ -160,10 +174,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template, TP_ARGS(inode, flags), TP_FIELDS( /* may be called for files on pseudo FSes w/ unregistered bdi */ - ctf_array_text(char, name, - inode->i_mapping->backing_dev_info->dev ? - dev_name(inode->i_mapping->backing_dev_info->dev) - : "(unknown)", 32) + ctf_string(name, lttng_bdi_dev_name(inode->i_mapping->backing_dev_info)) ctf_integer(unsigned long, ino, inode->i_ino) ctf_integer(unsigned long, flags, flags) ) @@ -179,8 +190,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template, TP_PROTO(struct inode *inode, struct writeback_control *wbc), TP_ARGS(inode, wbc), TP_FIELDS( - ctf_array_text(char, name, - dev_name(inode->i_mapping->backing_dev_info->dev), 32) + ctf_string(name, lttng_bdi_dev_name(inode->i_mapping->backing_dev_info)) ctf_integer(unsigned long, ino, inode->i_ino) ctf_integer(int, sync_mode, wbc->sync_mode) ) @@ -193,64 +203,50 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \ 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)) */ +#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, 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) + ctf_string(name, lttng_bdi_dev_name(wb->bdi)) ) ) -#elif (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_FIELDS( - ctf_array_text(char, name, bdi->dev ? dev_name(bdi->dev) : - "(unknown)", 32) - ) -) - -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ +#else LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class, TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), TP_ARGS(bdi, work), TP_FIELDS( - ctf_array_text(char, name, - dev_name(bdi->dev ? bdi->dev : - default_backing_dev_info.dev), 32) + ctf_string(name, lttng_bdi_dev_name(bdi)) ) ) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */ +#endif /* #else if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) #define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \ TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \ TP_ARGS(wb, work)) -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */ #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)) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */ 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)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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) @@ -264,14 +260,13 @@ LTTNG_TRACEPOINT_EVENT(writeback_pages_written, ) ) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, TP_PROTO(struct bdi_writeback *wb), TP_ARGS(wb), TP_FIELDS( - ctf_array_text(char, name, - dev_name(wb->bdi->dev), 32) + ctf_string(name, lttng_bdi_dev_name(wb->bdi)) ) ) @@ -290,19 +285,17 @@ 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) + ctf_string(name, lttng_bdi_dev_name(bdi)) ) ) -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class, TP_PROTO(struct backing_dev_info *bdi), TP_ARGS(bdi), TP_FIELDS( - ctf_array_text(char, name, - dev_name(bdi->dev), 32) + ctf_string(name, lttng_bdi_dev_name(bdi)) ) ) @@ -319,7 +312,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \ DEFINE_WRITEBACK_EVENT(writeback_bdi_register) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */ DEFINE_WRITEBACK_EVENT(writeback_nowork) DEFINE_WRITEBACK_EVENT(writeback_wake_background) @@ -341,7 +334,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written, TP_ARGS(bdi, written), TP_FIELDS( - ctf_array_text(char, name, dev_name(bdi->dev), 32) + ctf_string(name, lttng_bdi_dev_name(bdi)) ctf_integer(int, written, written) ) ) @@ -351,7 +344,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), TP_ARGS(wbc, bdi), TP_FIELDS( - ctf_array_text(char, name, dev_name(bdi->dev), 32) + ctf_string(name, lttng_bdi_dev_name(bdi)) 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) @@ -359,7 +352,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class, ctf_integer(int, for_background, wbc->for_background) ctf_integer(int, for_reclaim, wbc->for_reclaim) ctf_integer(int, range_cyclic, wbc->range_cyclic) -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)) +#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,1,0)) ctf_integer(int, more_io, wbc->more_io) ctf_integer(unsigned long, older_than_this, wbc->older_than_this ? *wbc->older_than_this : 0) @@ -374,7 +367,7 @@ 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)) +#if (LTTNG_LINUX_VERSION_CODE < LTTNG_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) @@ -384,7 +377,7 @@ LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balanc #endif LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0) || \ +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \ LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \ LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \ LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \ @@ -399,30 +392,30 @@ LTTNG_TRACEPOINT_EVENT(writeback_queue_io, int moved), TP_ARGS(wb, work, dirtied_before, moved), TP_FIELDS( - ctf_array_text(char, name, dev_name(wb->bdi->dev), 32) + ctf_string(name, lttng_bdi_dev_name(wb->bdi)) ctf_integer(unsigned long, older, dirtied_before) ctf_integer(int, moved, moved) ) ) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) LTTNG_TRACEPOINT_EVENT(writeback_queue_io, TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work, int moved), TP_ARGS(wb, work, moved), TP_FIELDS( - ctf_array_text(char, name, dev_name(wb->bdi->dev), 32) + ctf_string(name, lttng_bdi_dev_name(wb->bdi)) ctf_integer(int, moved, moved) ) ) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0)) LTTNG_TRACEPOINT_EVENT(writeback_queue_io, TP_PROTO(struct bdi_writeback *wb, unsigned long *older_than_this, int moved), TP_ARGS(wb, older_than_this, moved), TP_FIELDS( - ctf_array_text(char, name, dev_name(wb->bdi->dev), 32) + ctf_string(name, lttng_bdi_dev_name(wb->bdi)) ctf_integer(unsigned long, older, older_than_this ? *older_than_this : 0) ctf_integer(long, age, @@ -434,7 +427,7 @@ LTTNG_TRACEPOINT_EVENT(writeback_queue_io, ) #endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0)) LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, writeback_global_dirty_state, @@ -457,7 +450,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, ctf_integer(unsigned long, dirty_limit, global_dirty_limit) ) ) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0)) LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, writeback_global_dirty_state, @@ -481,7 +474,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, ctf_integer(unsigned long, dirty_limit, global_dirty_limit) ) ) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0)) LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, writeback_global_dirty_state, @@ -507,11 +500,11 @@ LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state, ) #endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) #define KBps(x) ((x) << (PAGE_SHIFT - 10)) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, @@ -524,7 +517,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, TP_ARGS(wb, dirty_rate, task_ratelimit), TP_FIELDS( - ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) + ctf_string(bdi, lttng_bdi_dev_name(wb->bdi)) 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)) @@ -535,7 +528,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, ) ) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) +#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, @@ -548,7 +541,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, TP_ARGS(bdi, dirty_rate, task_ratelimit), TP_FIELDS( - ctf_array_text(char, bdi, dev_name(bdi->dev), 32) + ctf_string(bdi, lttng_bdi_dev_name(bdi)) ctf_integer(unsigned long, write_bw, KBps(bdi->wb.write_bandwidth)) ctf_integer(unsigned long, avg_write_bw, KBps(bdi->wb.avg_write_bandwidth)) ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) @@ -559,7 +552,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, ) ) -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ +#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, @@ -572,7 +565,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, TP_ARGS(bdi, dirty_rate, task_ratelimit), TP_FIELDS( - ctf_array_text(char, bdi, dev_name(bdi->dev), 32) + ctf_string(bdi, lttng_bdi_dev_name(bdi)) ctf_integer(unsigned long, write_bw, KBps(bdi->write_bandwidth)) ctf_integer(unsigned long, avg_write_bw, KBps(bdi->avg_write_bandwidth)) ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate)) @@ -583,9 +576,9 @@ LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit, ) ) -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */ +#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,2,0)) */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, @@ -610,7 +603,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, ), TP_FIELDS( - ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32) + ctf_string(bdi, lttng_bdi_dev_name(wb->bdi)) ctf_integer(unsigned long, limit, global_dirty_limit) ctf_integer(unsigned long, setpoint, (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) @@ -637,7 +630,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, ) ) -#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ +#else /* #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, @@ -652,7 +645,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, unsigned long dirty_ratelimit, unsigned long task_ratelimit, unsigned long dirtied, -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) unsigned long period, #endif long pause, @@ -660,7 +653,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, TP_ARGS(bdi, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty, dirty_ratelimit, task_ratelimit, -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) dirtied, period, pause, start_time #else dirtied, pause, start_time @@ -668,7 +661,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, ), TP_FIELDS( - ctf_array_text(char, bdi, dev_name(bdi->dev), 32) + ctf_string(bdi, lttng_bdi_dev_name(bdi)) ctf_integer(unsigned long, limit, global_dirty_limit) ctf_integer(unsigned long, setpoint, (global_dirty_limit + (thresh + bg_thresh) / 2) / 2) @@ -687,7 +680,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, ctf_integer(unsigned long, paused, (jiffies - start_time) * 1000 / HZ) ctf_integer(long, pause, pause * 1000 / HZ) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) ctf_integer(unsigned long, period, period * 1000 / HZ) ctf_integer(long, think, @@ -696,19 +689,18 @@ LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages, #endif ) ) -#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */ +#endif /* #else #if LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,3,0)) */ -#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */ +#endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,2,0)) */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,5,0)) LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue, TP_PROTO(struct inode *inode), TP_ARGS(inode), TP_FIELDS( - ctf_array_text(char, name, - dev_name(lttng_inode_to_bdi(inode)->dev), 32) + ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode))) 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) @@ -742,7 +734,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wai TP_ARGS(usec_timeout, usec_delayed) ) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) +#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0)) LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, TP_PROTO(struct inode *inode, @@ -753,8 +745,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, TP_ARGS(inode, wbc, nr_to_write), TP_FIELDS( - ctf_array_text(char, name, - dev_name(lttng_inode_to_bdi(inode)->dev), 32) + ctf_string(name, lttng_bdi_dev_name(lttng_inode_to_bdi(inode))) 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) @@ -766,7 +757,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template, ) ) -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0)) +#if (LTTNG_LINUX_VERSION_CODE < LTTNG_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,