#if !defined(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
#define LTTNG_TRACE_WRITEBACK_H
-#include "../../../probes/lttng-tracepoint-event.h"
+#include <probes/lttng-tracepoint-event.h>
+#include <linux/tracepoint.h>
#include <linux/backing-dev.h>
#include <linux/writeback.h>
#include <linux/version.h>
#ifndef _TRACE_WRITEBACK_DEF_
#define _TRACE_WRITEBACK_DEF_
-static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
+
+/*
+ * 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
+ * RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
+ * RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
+ * 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))
+static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb;
+
+ if (!inode)
+ return &noop_backing_dev_info;
+
+ sb = inode->i_sb;
if (strcmp(sb->s_type->name, "bdev") == 0)
return inode->i_mapping->backing_dev_info;
return sb->s_bdi;
}
+#else
+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 (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_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_SYNC, "I_SYNC"}, \
{I_REFERENCED, "I_REFERENCED"} \
)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
+
+#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_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)
+ )
+)
-#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
+LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
+ TP_PROTO(struct inode *inode, int flags),
+ 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_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) \
+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_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)
+ )
+)
+
+#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_FIELDS(
+ ctf_array_text(char, name,
+ mapping ? dev_name(mapping->backing_dev_info->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_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_integer(unsigned long, ino, inode->i_ino)
+ ctf_integer(unsigned long, flags, 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_FIELDS(
+ ctf_array_text(char, name,
+ dev_name(inode->i_mapping->backing_dev_info->dev), 32)
+ ctf_integer(unsigned long, ino, inode->i_ino)
+ ctf_integer(int, sync_mode, wbc->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(4,3,0))
+
+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)
+ )
+)
+
+#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_STRUCT__entry(
- __array(char, name, 32)
- ),
- TP_fast_assign(
- tp_memcpy(name, dev_name(bdi->dev ? bdi->dev :
+ 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)) */
+
+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)
- ),
- TP_printk("bdi %s",
- __entry->name
)
)
+
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
+
+#if (LINUX_VERSION_CODE >= 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)) */
+
#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)) */
+
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
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)
+ )
)
+#if (LINUX_VERSION_CODE >= 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)
+ )
+)
+
+#undef DEFINE_WRITEBACK_EVENT
+#define DEFINE_WRITEBACK_EVENT(name) \
+LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
+ 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 bdi_writeback *wb), \
+ TP_ARGS(wb))
+
+LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
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_FIELDS(
+ ctf_array_text(char, name,
+ dev_name(bdi->dev), 32)
)
)
+
+#else /* #if (LINUX_VERSION_CODE >= 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)
+ )
+)
+
+#undef DEFINE_WRITEBACK_EVENT
#define DEFINE_WRITEBACK_EVENT(name) \
LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
TP_PROTO(struct backing_dev_info *bdi), \
TP_PROTO(struct backing_dev_info *bdi), \
TP_ARGS(bdi))
+DEFINE_WRITEBACK_EVENT(writeback_bdi_register)
+
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
+
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)
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
+ TP_FIELDS(
+ ctf_array_text(char, name, dev_name(bdi->dev), 32)
+ ctf_integer(int, written, 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,
+ 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)
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
- __entry->more_io,
- __entry->older_than_this,
+ ctf_integer(int, more_io, wbc->more_io)
+ ctf_integer(unsigned long, older_than_this,
+ wbc->older_than_this ? *wbc->older_than_this : 0)
#endif
- __entry->range_start,
- __entry->range_end)
+ ctf_integer(long, range_start, (long) wbc->range_start)
+ ctf_integer(long, range_end, (long) wbc->range_end)
+ )
)
#undef DEFINE_WBC_EVENT
#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)
+ TP_FIELDS(
+ ctf_array_text(char, 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)
+ ctf_integer(unsigned long, older,
+ older_than_this ? *older_than_this : 0)
+ ctf_integer(long, 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
+ ctf_integer(int, moved, moved)
)
-#endif
)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
writeback_global_dirty_state,
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_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, global_dirty_limit)
+ )
+)
+#else
+LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
+
+ writeback_global_dirty_state,
+
+ TP_PROTO(unsigned long background_thresh,
+ unsigned long dirty_thresh
),
- 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_ARGS(background_thresh,
+ dirty_thresh
),
- 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_page_state(NR_FILE_DIRTY))
+ ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
+ ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
+ ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
+ ctf_integer(unsigned long, nr_written, global_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, global_dirty_limit)
)
)
#endif
+#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
#define KBps(x) ((x) << (PAGE_SHIFT - 10))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
+
+LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
+
+ writeback_bdi_dirty_ratelimit,
+
+ TP_PROTO(struct bdi_writeback *wb,
+ unsigned long dirty_rate,
+ unsigned long task_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))
+ )
+)
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
+
LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
writeback_bdi_dirty_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_FIELDS(
+ ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
+ 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))
+ ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->wb.dirty_ratelimit))
+ ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
+ ctf_integer(unsigned long, balanced_dirty_ratelimit,
+ KBps(bdi->wb.balanced_dirty_ratelimit))
+ )
+)
+
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
+
+LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
+
+ writeback_bdi_dirty_ratelimit,
+
+ TP_PROTO(struct backing_dev_info *bdi,
+ unsigned long dirty_rate,
+ unsigned long task_ratelimit),
+
+ TP_ARGS(bdi, dirty_rate, task_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,
+ TP_FIELDS(
+ ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
+ 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))
+ ctf_integer(unsigned long, dirty_ratelimit, KBps(bdi->dirty_ratelimit))
+ ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
+ ctf_integer(unsigned long, balanced_dirty_ratelimit,
KBps(bdi->balanced_dirty_ratelimit))
+ )
+)
+
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
+
+LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
+
+ writeback_balance_dirty_pages,
+
+ TP_PROTO(struct bdi_writeback *wb,
+ unsigned long thresh,
+ unsigned long bg_thresh,
+ unsigned long dirty,
+ unsigned long bdi_thresh,
+ unsigned long bdi_dirty,
+ unsigned long dirty_ratelimit,
+ unsigned long task_ratelimit,
+ unsigned long dirtied,
+ unsigned long period,
+ long pause,
+ unsigned long start_time),
+
+ TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
+ dirty_ratelimit, task_ratelimit,
+ dirtied, period, pause, start_time
),
- 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_FIELDS(
+ ctf_array_text(char, bdi, dev_name(wb->bdi->dev), 32)
+ ctf_integer(unsigned long, limit, global_dirty_limit)
+ ctf_integer(unsigned long, setpoint,
+ (global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
+ ctf_integer(unsigned long, dirty, dirty)
+ ctf_integer(unsigned long, bdi_setpoint,
+ ((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
+ bdi_thresh / (thresh + 1))
+ ctf_integer(unsigned long, bdi_dirty, bdi_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)
)
)
+#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
+
LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
writeback_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))
- dirtied, period, pause, start_time),
+ 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)
+ dirtied, pause, start_time
#endif
),
- TP_fast_assign(
- tp_memcpy(bdi, dev_name(bdi->dev), 32)
- tp_assign(limit, global_dirty_limit)
- tp_assign(setpoint,
+ TP_FIELDS(
+ ctf_array_text(char, bdi, dev_name(bdi->dev), 32)
+ ctf_integer(unsigned long, limit, global_dirty_limit)
+ ctf_integer(unsigned long, setpoint,
(global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
- tp_assign(dirty, dirty)
- tp_assign(bdi_setpoint,
+ ctf_integer(unsigned long, dirty, dirty)
+ ctf_integer(unsigned long, 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)
+ bdi_thresh / (thresh + 1))
+ ctf_integer(unsigned long, bdi_dirty, bdi_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)
#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 */
- )
+ 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
+ )
)
-#endif
+#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
+
+#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) */
#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
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,
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)
)
)
#endif /* LTTNG_TRACE_WRITEBACK_H */
/* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>
projects / lttng-modules.git / blobdiff