763 lines
20 KiB
C
763 lines
20 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM writeback
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#if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_WRITEBACK_H
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#include <linux/tracepoint.h>
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#include <linux/backing-dev.h>
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#include <linux/writeback.h>
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#define show_inode_state(state) \
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__print_flags(state, "|", \
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{I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
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{I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
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{I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
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{I_NEW, "I_NEW"}, \
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{I_WILL_FREE, "I_WILL_FREE"}, \
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{I_FREEING, "I_FREEING"}, \
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{I_CLEAR, "I_CLEAR"}, \
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{I_SYNC, "I_SYNC"}, \
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{I_DIRTY_TIME, "I_DIRTY_TIME"}, \
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{I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
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{I_REFERENCED, "I_REFERENCED"} \
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)
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/* enums need to be exported to user space */
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#undef EM
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#undef EMe
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#define EM(a,b) TRACE_DEFINE_ENUM(a);
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#define EMe(a,b) TRACE_DEFINE_ENUM(a);
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#define WB_WORK_REASON \
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EM( WB_REASON_BACKGROUND, "background") \
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EM( WB_REASON_VMSCAN, "vmscan") \
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EM( WB_REASON_SYNC, "sync") \
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EM( WB_REASON_PERIODIC, "periodic") \
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EM( WB_REASON_LAPTOP_TIMER, "laptop_timer") \
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EM( WB_REASON_FREE_MORE_MEM, "free_more_memory") \
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EM( WB_REASON_FS_FREE_SPACE, "fs_free_space") \
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EMe(WB_REASON_FORKER_THREAD, "forker_thread")
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WB_WORK_REASON
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/*
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* Now redefine the EM() and EMe() macros to map the enums to the strings
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* that will be printed in the output.
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*/
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#undef EM
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#undef EMe
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#define EM(a,b) { a, b },
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#define EMe(a,b) { a, b }
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struct wb_writeback_work;
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TRACE_EVENT(writeback_dirty_page,
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TP_PROTO(struct page *page, struct address_space *mapping),
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TP_ARGS(page, mapping),
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TP_STRUCT__entry (
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__array(char, name, 32)
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__field(unsigned long, ino)
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__field(pgoff_t, index)
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),
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TP_fast_assign(
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strncpy(__entry->name,
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mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32);
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__entry->ino = mapping ? mapping->host->i_ino : 0;
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__entry->index = page->index;
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),
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TP_printk("bdi %s: ino=%lu index=%lu",
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__entry->name,
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__entry->ino,
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__entry->index
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)
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);
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DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
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TP_PROTO(struct inode *inode, int flags),
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TP_ARGS(inode, flags),
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TP_STRUCT__entry (
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__array(char, name, 32)
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__field(unsigned long, ino)
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__field(unsigned long, state)
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__field(unsigned long, flags)
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),
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TP_fast_assign(
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struct backing_dev_info *bdi = inode_to_bdi(inode);
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/* may be called for files on pseudo FSes w/ unregistered bdi */
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strncpy(__entry->name,
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bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
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__entry->ino = inode->i_ino;
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__entry->state = inode->i_state;
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__entry->flags = flags;
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),
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TP_printk("bdi %s: ino=%lu state=%s flags=%s",
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__entry->name,
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__entry->ino,
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show_inode_state(__entry->state),
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show_inode_state(__entry->flags)
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)
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);
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DEFINE_EVENT(writeback_dirty_inode_template, writeback_mark_inode_dirty,
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TP_PROTO(struct inode *inode, int flags),
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TP_ARGS(inode, flags)
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);
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DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start,
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TP_PROTO(struct inode *inode, int flags),
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TP_ARGS(inode, flags)
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);
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DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode,
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TP_PROTO(struct inode *inode, int flags),
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TP_ARGS(inode, flags)
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);
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#ifdef CREATE_TRACE_POINTS
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#ifdef CONFIG_CGROUP_WRITEBACK
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static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb)
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{
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return wb->memcg_css->cgroup->kn->id.ino;
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}
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static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc)
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{
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if (wbc->wb)
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return __trace_wb_assign_cgroup(wbc->wb);
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else
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return -1U;
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}
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#else /* CONFIG_CGROUP_WRITEBACK */
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static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb)
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{
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return -1U;
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}
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static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc)
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{
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return -1U;
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}
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#endif /* CONFIG_CGROUP_WRITEBACK */
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#endif /* CREATE_TRACE_POINTS */
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DECLARE_EVENT_CLASS(writeback_write_inode_template,
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TP_PROTO(struct inode *inode, struct writeback_control *wbc),
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TP_ARGS(inode, wbc),
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TP_STRUCT__entry (
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__array(char, name, 32)
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__field(unsigned long, ino)
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__field(int, sync_mode)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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strncpy(__entry->name,
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dev_name(inode_to_bdi(inode)->dev), 32);
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__entry->ino = inode->i_ino;
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__entry->sync_mode = wbc->sync_mode;
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__entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
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),
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TP_printk("bdi %s: ino=%lu sync_mode=%d cgroup_ino=%u",
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__entry->name,
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__entry->ino,
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__entry->sync_mode,
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__entry->cgroup_ino
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)
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);
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DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode_start,
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TP_PROTO(struct inode *inode, struct writeback_control *wbc),
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TP_ARGS(inode, wbc)
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);
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DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode,
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TP_PROTO(struct inode *inode, struct writeback_control *wbc),
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TP_ARGS(inode, wbc)
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);
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DECLARE_EVENT_CLASS(writeback_work_class,
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TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
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TP_ARGS(wb, work),
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TP_STRUCT__entry(
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__array(char, name, 32)
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__field(long, nr_pages)
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__field(dev_t, sb_dev)
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__field(int, sync_mode)
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__field(int, for_kupdate)
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__field(int, range_cyclic)
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__field(int, for_background)
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__field(int, reason)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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strncpy(__entry->name,
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wb->bdi->dev ? dev_name(wb->bdi->dev) : "(unknown)", 32);
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__entry->nr_pages = work->nr_pages;
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__entry->sb_dev = work->sb ? work->sb->s_dev : 0;
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__entry->sync_mode = work->sync_mode;
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__entry->for_kupdate = work->for_kupdate;
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__entry->range_cyclic = work->range_cyclic;
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__entry->for_background = work->for_background;
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__entry->reason = work->reason;
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__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
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),
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TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d "
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"kupdate=%d range_cyclic=%d background=%d reason=%s cgroup_ino=%u",
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__entry->name,
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MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev),
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__entry->nr_pages,
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__entry->sync_mode,
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__entry->for_kupdate,
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__entry->range_cyclic,
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__entry->for_background,
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__print_symbolic(__entry->reason, WB_WORK_REASON),
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__entry->cgroup_ino
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)
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);
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#define DEFINE_WRITEBACK_WORK_EVENT(name) \
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DEFINE_EVENT(writeback_work_class, name, \
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TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
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TP_ARGS(wb, work))
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DEFINE_WRITEBACK_WORK_EVENT(writeback_queue);
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DEFINE_WRITEBACK_WORK_EVENT(writeback_exec);
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DEFINE_WRITEBACK_WORK_EVENT(writeback_start);
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DEFINE_WRITEBACK_WORK_EVENT(writeback_written);
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DEFINE_WRITEBACK_WORK_EVENT(writeback_wait);
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TRACE_EVENT(writeback_pages_written,
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TP_PROTO(long pages_written),
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TP_ARGS(pages_written),
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TP_STRUCT__entry(
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__field(long, pages)
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),
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TP_fast_assign(
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__entry->pages = pages_written;
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),
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TP_printk("%ld", __entry->pages)
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);
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DECLARE_EVENT_CLASS(writeback_class,
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TP_PROTO(struct bdi_writeback *wb),
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TP_ARGS(wb),
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TP_STRUCT__entry(
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__array(char, name, 32)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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strncpy(__entry->name, dev_name(wb->bdi->dev), 32);
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__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
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),
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TP_printk("bdi %s: cgroup_ino=%u",
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__entry->name,
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__entry->cgroup_ino
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)
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);
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#define DEFINE_WRITEBACK_EVENT(name) \
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DEFINE_EVENT(writeback_class, name, \
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TP_PROTO(struct bdi_writeback *wb), \
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TP_ARGS(wb))
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DEFINE_WRITEBACK_EVENT(writeback_wake_background);
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TRACE_EVENT(writeback_bdi_register,
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TP_PROTO(struct backing_dev_info *bdi),
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TP_ARGS(bdi),
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TP_STRUCT__entry(
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__array(char, name, 32)
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),
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TP_fast_assign(
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strncpy(__entry->name, dev_name(bdi->dev), 32);
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),
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TP_printk("bdi %s",
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__entry->name
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)
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);
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DECLARE_EVENT_CLASS(wbc_class,
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TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
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TP_ARGS(wbc, bdi),
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TP_STRUCT__entry(
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__array(char, name, 32)
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__field(long, nr_to_write)
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__field(long, pages_skipped)
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__field(int, sync_mode)
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__field(int, for_kupdate)
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__field(int, for_background)
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__field(int, for_reclaim)
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__field(int, range_cyclic)
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__field(long, range_start)
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__field(long, range_end)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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strncpy(__entry->name, dev_name(bdi->dev), 32);
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__entry->nr_to_write = wbc->nr_to_write;
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__entry->pages_skipped = wbc->pages_skipped;
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__entry->sync_mode = wbc->sync_mode;
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__entry->for_kupdate = wbc->for_kupdate;
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__entry->for_background = wbc->for_background;
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__entry->for_reclaim = wbc->for_reclaim;
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__entry->range_cyclic = wbc->range_cyclic;
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__entry->range_start = (long)wbc->range_start;
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__entry->range_end = (long)wbc->range_end;
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__entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
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),
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TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d "
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"bgrd=%d reclm=%d cyclic=%d "
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"start=0x%lx end=0x%lx cgroup_ino=%u",
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__entry->name,
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__entry->nr_to_write,
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__entry->pages_skipped,
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__entry->sync_mode,
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__entry->for_kupdate,
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__entry->for_background,
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__entry->for_reclaim,
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__entry->range_cyclic,
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__entry->range_start,
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__entry->range_end,
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__entry->cgroup_ino
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)
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)
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#define DEFINE_WBC_EVENT(name) \
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DEFINE_EVENT(wbc_class, name, \
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TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
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TP_ARGS(wbc, bdi))
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DEFINE_WBC_EVENT(wbc_writepage);
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TRACE_EVENT(writeback_queue_io,
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TP_PROTO(struct bdi_writeback *wb,
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struct wb_writeback_work *work,
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int moved),
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TP_ARGS(wb, work, moved),
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TP_STRUCT__entry(
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__array(char, name, 32)
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__field(unsigned long, older)
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__field(long, age)
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__field(int, moved)
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__field(int, reason)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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unsigned long *older_than_this = work->older_than_this;
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strncpy(__entry->name, dev_name(wb->bdi->dev), 32);
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__entry->older = older_than_this ? *older_than_this : 0;
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__entry->age = older_than_this ?
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(jiffies - *older_than_this) * 1000 / HZ : -1;
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__entry->moved = moved;
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__entry->reason = work->reason;
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__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
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),
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TP_printk("bdi %s: older=%lu age=%ld enqueue=%d reason=%s cgroup_ino=%u",
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__entry->name,
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__entry->older, /* older_than_this in jiffies */
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__entry->age, /* older_than_this in relative milliseconds */
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__entry->moved,
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__print_symbolic(__entry->reason, WB_WORK_REASON),
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__entry->cgroup_ino
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)
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);
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TRACE_EVENT(global_dirty_state,
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TP_PROTO(unsigned long background_thresh,
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unsigned long dirty_thresh
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),
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TP_ARGS(background_thresh,
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dirty_thresh
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),
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TP_STRUCT__entry(
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__field(unsigned long, nr_dirty)
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__field(unsigned long, nr_writeback)
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__field(unsigned long, nr_unstable)
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__field(unsigned long, background_thresh)
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__field(unsigned long, dirty_thresh)
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__field(unsigned long, dirty_limit)
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__field(unsigned long, nr_dirtied)
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__field(unsigned long, nr_written)
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),
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TP_fast_assign(
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__entry->nr_dirty = global_node_page_state(NR_FILE_DIRTY);
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__entry->nr_writeback = global_node_page_state(NR_WRITEBACK);
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__entry->nr_unstable = global_node_page_state(NR_UNSTABLE_NFS);
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__entry->nr_dirtied = global_node_page_state(NR_DIRTIED);
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__entry->nr_written = global_node_page_state(NR_WRITTEN);
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__entry->background_thresh = background_thresh;
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__entry->dirty_thresh = dirty_thresh;
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__entry->dirty_limit = global_wb_domain.dirty_limit;
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),
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TP_printk("dirty=%lu writeback=%lu unstable=%lu "
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"bg_thresh=%lu thresh=%lu limit=%lu "
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"dirtied=%lu written=%lu",
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__entry->nr_dirty,
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__entry->nr_writeback,
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__entry->nr_unstable,
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__entry->background_thresh,
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__entry->dirty_thresh,
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__entry->dirty_limit,
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__entry->nr_dirtied,
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__entry->nr_written
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)
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);
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#define KBps(x) ((x) << (PAGE_SHIFT - 10))
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TRACE_EVENT(bdi_dirty_ratelimit,
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TP_PROTO(struct bdi_writeback *wb,
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unsigned long dirty_rate,
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unsigned long task_ratelimit),
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TP_ARGS(wb, dirty_rate, task_ratelimit),
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TP_STRUCT__entry(
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__array(char, bdi, 32)
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__field(unsigned long, write_bw)
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__field(unsigned long, avg_write_bw)
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__field(unsigned long, dirty_rate)
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__field(unsigned long, dirty_ratelimit)
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__field(unsigned long, task_ratelimit)
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__field(unsigned long, balanced_dirty_ratelimit)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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strlcpy(__entry->bdi, dev_name(wb->bdi->dev), 32);
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__entry->write_bw = KBps(wb->write_bandwidth);
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__entry->avg_write_bw = KBps(wb->avg_write_bandwidth);
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__entry->dirty_rate = KBps(dirty_rate);
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__entry->dirty_ratelimit = KBps(wb->dirty_ratelimit);
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__entry->task_ratelimit = KBps(task_ratelimit);
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__entry->balanced_dirty_ratelimit =
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KBps(wb->balanced_dirty_ratelimit);
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__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
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),
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TP_printk("bdi %s: "
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"write_bw=%lu awrite_bw=%lu dirty_rate=%lu "
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"dirty_ratelimit=%lu task_ratelimit=%lu "
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"balanced_dirty_ratelimit=%lu cgroup_ino=%u",
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__entry->bdi,
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__entry->write_bw, /* write bandwidth */
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__entry->avg_write_bw, /* avg write bandwidth */
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__entry->dirty_rate, /* bdi dirty rate */
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__entry->dirty_ratelimit, /* base ratelimit */
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__entry->task_ratelimit, /* ratelimit with position control */
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__entry->balanced_dirty_ratelimit, /* the balanced ratelimit */
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__entry->cgroup_ino
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)
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);
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TRACE_EVENT(balance_dirty_pages,
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TP_PROTO(struct bdi_writeback *wb,
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unsigned long thresh,
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unsigned long bg_thresh,
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unsigned long dirty,
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unsigned long bdi_thresh,
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unsigned long bdi_dirty,
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unsigned long dirty_ratelimit,
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unsigned long task_ratelimit,
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unsigned long dirtied,
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unsigned long period,
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long pause,
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unsigned long start_time),
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TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
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dirty_ratelimit, task_ratelimit,
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dirtied, period, pause, start_time),
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TP_STRUCT__entry(
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__array( char, bdi, 32)
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__field(unsigned long, limit)
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__field(unsigned long, setpoint)
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__field(unsigned long, dirty)
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__field(unsigned long, bdi_setpoint)
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__field(unsigned long, bdi_dirty)
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__field(unsigned long, dirty_ratelimit)
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__field(unsigned long, task_ratelimit)
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__field(unsigned int, dirtied)
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__field(unsigned int, dirtied_pause)
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__field(unsigned long, paused)
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__field( long, pause)
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__field(unsigned long, period)
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__field( long, think)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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unsigned long freerun = (thresh + bg_thresh) / 2;
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strlcpy(__entry->bdi, dev_name(wb->bdi->dev), 32);
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__entry->limit = global_wb_domain.dirty_limit;
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__entry->setpoint = (global_wb_domain.dirty_limit +
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freerun) / 2;
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__entry->dirty = dirty;
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__entry->bdi_setpoint = __entry->setpoint *
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bdi_thresh / (thresh + 1);
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__entry->bdi_dirty = bdi_dirty;
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__entry->dirty_ratelimit = KBps(dirty_ratelimit);
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__entry->task_ratelimit = KBps(task_ratelimit);
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__entry->dirtied = dirtied;
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__entry->dirtied_pause = current->nr_dirtied_pause;
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__entry->think = current->dirty_paused_when == 0 ? 0 :
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(long)(jiffies - current->dirty_paused_when) * 1000/HZ;
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__entry->period = period * 1000 / HZ;
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__entry->pause = pause * 1000 / HZ;
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__entry->paused = (jiffies - start_time) * 1000 / HZ;
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__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
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),
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TP_printk("bdi %s: "
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"limit=%lu setpoint=%lu dirty=%lu "
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"bdi_setpoint=%lu bdi_dirty=%lu "
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"dirty_ratelimit=%lu task_ratelimit=%lu "
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"dirtied=%u dirtied_pause=%u "
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"paused=%lu pause=%ld period=%lu think=%ld cgroup_ino=%u",
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__entry->bdi,
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__entry->limit,
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__entry->setpoint,
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__entry->dirty,
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__entry->bdi_setpoint,
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__entry->bdi_dirty,
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__entry->dirty_ratelimit,
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__entry->task_ratelimit,
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__entry->dirtied,
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__entry->dirtied_pause,
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__entry->paused, /* ms */
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__entry->pause, /* ms */
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__entry->period, /* ms */
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__entry->think, /* ms */
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__entry->cgroup_ino
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)
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);
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TRACE_EVENT(writeback_sb_inodes_requeue,
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TP_PROTO(struct inode *inode),
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TP_ARGS(inode),
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TP_STRUCT__entry(
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__array(char, name, 32)
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__field(unsigned long, ino)
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__field(unsigned long, state)
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__field(unsigned long, dirtied_when)
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__field(unsigned int, cgroup_ino)
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),
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TP_fast_assign(
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strncpy(__entry->name,
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dev_name(inode_to_bdi(inode)->dev), 32);
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__entry->ino = inode->i_ino;
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__entry->state = inode->i_state;
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__entry->dirtied_when = inode->dirtied_when;
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__entry->cgroup_ino = __trace_wb_assign_cgroup(inode_to_wb(inode));
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),
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TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu cgroup_ino=%u",
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__entry->name,
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__entry->ino,
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show_inode_state(__entry->state),
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__entry->dirtied_when,
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(jiffies - __entry->dirtied_when) / HZ,
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__entry->cgroup_ino
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)
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);
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DECLARE_EVENT_CLASS(writeback_congest_waited_template,
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TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
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TP_ARGS(usec_timeout, usec_delayed),
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TP_STRUCT__entry(
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__field( unsigned int, usec_timeout )
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__field( unsigned int, usec_delayed )
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),
|
|
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TP_fast_assign(
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|
__entry->usec_timeout = usec_timeout;
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|
__entry->usec_delayed = usec_delayed;
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),
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|
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TP_printk("usec_timeout=%u usec_delayed=%u",
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__entry->usec_timeout,
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__entry->usec_delayed)
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);
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|
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|
DEFINE_EVENT(writeback_congest_waited_template, writeback_congestion_wait,
|
|
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TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
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|
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TP_ARGS(usec_timeout, usec_delayed)
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|
);
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|
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DEFINE_EVENT(writeback_congest_waited_template, writeback_wait_iff_congested,
|
|
|
|
TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
|
|
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TP_ARGS(usec_timeout, usec_delayed)
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|
);
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|
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|
DECLARE_EVENT_CLASS(writeback_single_inode_template,
|
|
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TP_PROTO(struct inode *inode,
|
|
struct writeback_control *wbc,
|
|
unsigned long nr_to_write
|
|
),
|
|
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|
TP_ARGS(inode, wbc, nr_to_write),
|
|
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|
TP_STRUCT__entry(
|
|
__array(char, name, 32)
|
|
__field(unsigned long, ino)
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|
__field(unsigned long, state)
|
|
__field(unsigned long, dirtied_when)
|
|
__field(unsigned long, writeback_index)
|
|
__field(long, nr_to_write)
|
|
__field(unsigned long, wrote)
|
|
__field(unsigned int, cgroup_ino)
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|
),
|
|
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|
TP_fast_assign(
|
|
strncpy(__entry->name,
|
|
dev_name(inode_to_bdi(inode)->dev), 32);
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|
__entry->ino = inode->i_ino;
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|
__entry->state = inode->i_state;
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|
__entry->dirtied_when = inode->dirtied_when;
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|
__entry->writeback_index = inode->i_mapping->writeback_index;
|
|
__entry->nr_to_write = nr_to_write;
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|
__entry->wrote = nr_to_write - wbc->nr_to_write;
|
|
__entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc);
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|
),
|
|
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|
TP_printk("bdi %s: ino=%lu state=%s dirtied_when=%lu age=%lu "
|
|
"index=%lu to_write=%ld wrote=%lu cgroup_ino=%u",
|
|
__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,
|
|
__entry->cgroup_ino
|
|
)
|
|
);
|
|
|
|
DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start,
|
|
TP_PROTO(struct inode *inode,
|
|
struct writeback_control *wbc,
|
|
unsigned long nr_to_write),
|
|
TP_ARGS(inode, wbc, nr_to_write)
|
|
);
|
|
|
|
DEFINE_EVENT(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)
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(writeback_inode_template,
|
|
TP_PROTO(struct inode *inode),
|
|
|
|
TP_ARGS(inode),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( dev_t, dev )
|
|
__field(unsigned long, ino )
|
|
__field(unsigned long, state )
|
|
__field( __u16, mode )
|
|
__field(unsigned long, dirtied_when )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->dev = inode->i_sb->s_dev;
|
|
__entry->ino = inode->i_ino;
|
|
__entry->state = inode->i_state;
|
|
__entry->mode = inode->i_mode;
|
|
__entry->dirtied_when = inode->dirtied_when;
|
|
),
|
|
|
|
TP_printk("dev %d,%d ino %lu dirtied %lu state %s mode 0%o",
|
|
MAJOR(__entry->dev), MINOR(__entry->dev),
|
|
__entry->ino, __entry->dirtied_when,
|
|
show_inode_state(__entry->state), __entry->mode)
|
|
);
|
|
|
|
DEFINE_EVENT(writeback_inode_template, writeback_lazytime,
|
|
TP_PROTO(struct inode *inode),
|
|
|
|
TP_ARGS(inode)
|
|
);
|
|
|
|
DEFINE_EVENT(writeback_inode_template, writeback_lazytime_iput,
|
|
TP_PROTO(struct inode *inode),
|
|
|
|
TP_ARGS(inode)
|
|
);
|
|
|
|
DEFINE_EVENT(writeback_inode_template, writeback_dirty_inode_enqueue,
|
|
|
|
TP_PROTO(struct inode *inode),
|
|
|
|
TP_ARGS(inode)
|
|
);
|
|
|
|
/*
|
|
* Inode writeback list tracking.
|
|
*/
|
|
|
|
DEFINE_EVENT(writeback_inode_template, sb_mark_inode_writeback,
|
|
TP_PROTO(struct inode *inode),
|
|
TP_ARGS(inode)
|
|
);
|
|
|
|
DEFINE_EVENT(writeback_inode_template, sb_clear_inode_writeback,
|
|
TP_PROTO(struct inode *inode),
|
|
TP_ARGS(inode)
|
|
);
|
|
|
|
#endif /* _TRACE_WRITEBACK_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|