#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 <linux/tracepoint.h>
#include <linux/backing-dev.h>
#include <linux/writeback.h>
#include <linux/version.h>
#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;
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"}, \
{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 \
{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 :
__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(
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)
__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))
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,
)
#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)
)
#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,
#endif
)
-TRACE_EVENT_MAP(global_dirty_state,
+LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
writeback_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,
)
)
-TRACE_EVENT_MAP(balance_dirty_pages,
+LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
writeback_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)
#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),
__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),
#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,
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)
)
#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),
)
#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),
)
#endif
-#endif /* _TRACE_WRITEBACK_H */
+#endif /* LTTNG_TRACE_WRITEBACK_H */
/* This part must be outside protection */
#include "../../../probes/define_trace.h"
projects / lttng-modules.git / blobdiff