794 lines
25 KiB
C
794 lines
25 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(LTTNG_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define LTTNG_TRACE_WRITEBACK_H
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#include <probes/lttng-tracepoint-event.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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#include <linux/version.h>
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#ifndef _TRACE_WRITEBACK_DEF_
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#define _TRACE_WRITEBACK_DEF_
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/*
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* Vanilla kernels before 4.0 do not implement inode_to_bdi
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* RHEL kernels before 3.10.0-327.10.1 do not implement inode_to_bdi
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* RHEL kernel 3.10.0-327.10.1 has inode_to_bdi
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* RHEL kernel 3.10.0-327.13.1 includes a partial merge of upstream
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* commit a212b105b07d75b48b1a166378282e8a77fbf53d which inlines
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* inode_to_bdi but not sb_is_blkdev_sb making it unusable by modules.
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*/
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0))
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static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
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{
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struct super_block *sb;
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if (!inode)
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return &noop_backing_dev_info;
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sb = inode->i_sb;
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if (strcmp(sb->s_type->name, "bdev") == 0)
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return inode->i_mapping->backing_dev_info;
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return sb->s_bdi;
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}
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#else
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static inline struct backing_dev_info *lttng_inode_to_bdi(struct inode *inode)
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{
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return inode_to_bdi(inode);
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}
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#endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(4,0,0)) */
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
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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_REFERENCED, "I_REFERENCED"} \
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)
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#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
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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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#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
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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_REFERENCED, "I_REFERENCED"} \
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)
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#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_array_text(char, name,
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mapping ? dev_name(lttng_inode_to_bdi(mapping->host)->dev) : "(unknown)", 32)
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ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
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ctf_integer(pgoff_t, index, page->index)
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)
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)
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LTTNG_TRACEPOINT_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_FIELDS(
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/* may be called for files on pseudo FSes w/ unregistered bdi */
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ctf_array_text(char, name,
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lttng_inode_to_bdi(inode)->dev ?
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dev_name(lttng_inode_to_bdi(inode)->dev) : "(unknown)", 32)
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ctf_integer(unsigned long, ino, inode->i_ino)
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ctf_integer(unsigned long, state, inode->i_state)
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ctf_integer(unsigned long, flags, flags)
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)
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)
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#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
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TP_PROTO(struct inode *inode, int flags), \
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TP_ARGS(inode, flags))
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_array_text(char, name,
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dev_name(lttng_inode_to_bdi(inode)->dev), 32)
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ctf_integer(unsigned long, ino, inode->i_ino)
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ctf_integer(int, sync_mode, wbc->sync_mode)
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)
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)
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#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
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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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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
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#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_array_text(char, name,
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mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32)
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ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
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ctf_integer(pgoff_t, index, page->index)
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)
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)
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LTTNG_TRACEPOINT_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_FIELDS(
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/* may be called for files on pseudo FSes w/ unregistered bdi */
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ctf_array_text(char, name,
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inode->i_mapping->backing_dev_info->dev ?
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dev_name(inode->i_mapping->backing_dev_info->dev)
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: "(unknown)", 32)
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ctf_integer(unsigned long, ino, inode->i_ino)
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ctf_integer(unsigned long, flags, flags)
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)
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)
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#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
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TP_PROTO(struct inode *inode, int flags), \
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TP_ARGS(inode, flags))
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_array_text(char, name,
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dev_name(inode->i_mapping->backing_dev_info->dev), 32)
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ctf_integer(unsigned long, ino, inode->i_ino)
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ctf_integer(int, sync_mode, wbc->sync_mode)
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)
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)
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#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
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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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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
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#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_array_text(char, name, wb->bdi->dev ? dev_name(wb->bdi->dev) :
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"(unknown)", 32)
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)
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)
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#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
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LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
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TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
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TP_ARGS(bdi, work),
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TP_FIELDS(
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ctf_array_text(char, name, bdi->dev ? dev_name(bdi->dev) :
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"(unknown)", 32)
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)
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)
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#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
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LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
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TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
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TP_ARGS(bdi, work),
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TP_FIELDS(
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ctf_array_text(char, name,
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dev_name(bdi->dev ? bdi->dev :
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default_backing_dev_info.dev), 32)
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)
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)
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#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)) */
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
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#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(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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#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
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#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
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TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \
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TP_ARGS(bdi, work))
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#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
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LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)
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#endif
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_integer(long, pages, pages_written)
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)
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)
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0))
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_array_text(char, name,
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dev_name(wb->bdi->dev), 32)
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)
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)
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#undef DEFINE_WRITEBACK_EVENT
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#define DEFINE_WRITEBACK_EVENT(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(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 DEFINE_WRITEBACK_EVENT_MAP(name, map) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
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TP_PROTO(struct bdi_writeback *wb), \
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TP_ARGS(wb))
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LTTNG_TRACEPOINT_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_FIELDS(
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ctf_array_text(char, name,
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dev_name(bdi->dev), 32)
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)
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)
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#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
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LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
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TP_PROTO(struct backing_dev_info *bdi),
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TP_ARGS(bdi),
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TP_FIELDS(
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ctf_array_text(char, name,
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dev_name(bdi->dev), 32)
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)
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)
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#undef DEFINE_WRITEBACK_EVENT
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#define DEFINE_WRITEBACK_EVENT(name) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
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TP_PROTO(struct backing_dev_info *bdi), \
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TP_ARGS(bdi))
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#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
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TP_PROTO(struct backing_dev_info *bdi), \
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TP_ARGS(bdi))
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DEFINE_WRITEBACK_EVENT(writeback_bdi_register)
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#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,3,0)) */
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DEFINE_WRITEBACK_EVENT(writeback_nowork)
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
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DEFINE_WRITEBACK_EVENT(writeback_wake_background)
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#endif
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DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
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DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
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DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
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DEFINE_WRITEBACK_EVENT(writeback_thread_start)
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DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
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#if (LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
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DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_start, writeback_balance_dirty_start)
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DEFINE_WRITEBACK_EVENT_MAP(balance_dirty_wait, writeback_balance_dirty_wait)
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LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_written,
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writeback_balance_dirty_written,
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TP_PROTO(struct backing_dev_info *bdi, int written),
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TP_ARGS(bdi, written),
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TP_FIELDS(
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ctf_array_text(char, name, dev_name(bdi->dev), 32)
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ctf_integer(int, written, written)
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)
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)
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#endif
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LTTNG_TRACEPOINT_EVENT_CLASS(writeback_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_FIELDS(
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ctf_array_text(char, name, dev_name(bdi->dev), 32)
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ctf_integer(long, nr_to_write, wbc->nr_to_write)
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ctf_integer(long, pages_skipped, wbc->pages_skipped)
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ctf_integer(int, sync_mode, wbc->sync_mode)
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ctf_integer(int, for_kupdate, wbc->for_kupdate)
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ctf_integer(int, for_background, wbc->for_background)
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ctf_integer(int, for_reclaim, wbc->for_reclaim)
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ctf_integer(int, range_cyclic, wbc->range_cyclic)
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
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ctf_integer(int, more_io, wbc->more_io)
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ctf_integer(unsigned long, older_than_this,
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wbc->older_than_this ? *wbc->older_than_this : 0)
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#endif
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ctf_integer(long, range_start, (long) wbc->range_start)
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ctf_integer(long, range_end, (long) wbc->range_end)
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)
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)
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#undef DEFINE_WBC_EVENT
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#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
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LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
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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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#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0))
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LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_start, writeback_wbc_writeback_start)
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LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_written, writeback_wbc_writeback_written)
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LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writeback_wait, writeback_wbc_writeback_wait)
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LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_start, writeback_wbc_balance_dirty_start)
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LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_written, writeback_wbc_balance_dirty_written)
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LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_balance_dirty_wait, writeback_wbc_balance_dirty_wait)
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#endif
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LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0) || \
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LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
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LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
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LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
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LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
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LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
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LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
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LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0))
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LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
|
|
TP_PROTO(struct bdi_writeback *wb,
|
|
struct wb_writeback_work *work,
|
|
unsigned long dirtied_before,
|
|
int moved),
|
|
TP_ARGS(wb, work, dirtied_before, moved),
|
|
TP_FIELDS(
|
|
ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
|
|
ctf_integer(unsigned long, older, dirtied_before)
|
|
ctf_integer(int, moved, moved)
|
|
)
|
|
)
|
|
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0))
|
|
LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
|
|
TP_PROTO(struct bdi_writeback *wb,
|
|
struct wb_writeback_work *work,
|
|
int moved),
|
|
TP_ARGS(wb, work, moved),
|
|
TP_FIELDS(
|
|
ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
|
|
ctf_integer(int, moved, moved)
|
|
)
|
|
)
|
|
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
|
|
LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
|
|
TP_PROTO(struct bdi_writeback *wb,
|
|
unsigned long *older_than_this,
|
|
int moved),
|
|
TP_ARGS(wb, older_than_this, moved),
|
|
TP_FIELDS(
|
|
ctf_array_text(char, name, dev_name(wb->bdi->dev), 32)
|
|
ctf_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)
|
|
ctf_integer(int, moved, moved)
|
|
)
|
|
)
|
|
#endif
|
|
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
|
|
LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
|
|
|
|
writeback_global_dirty_state,
|
|
|
|
TP_PROTO(unsigned long background_thresh,
|
|
unsigned long dirty_thresh
|
|
),
|
|
|
|
TP_ARGS(background_thresh,
|
|
dirty_thresh
|
|
),
|
|
|
|
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_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)
|
|
)
|
|
)
|
|
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
|
|
LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
|
|
|
|
writeback_global_dirty_state,
|
|
|
|
TP_PROTO(unsigned long background_thresh,
|
|
unsigned long dirty_thresh
|
|
),
|
|
|
|
TP_ARGS(background_thresh,
|
|
dirty_thresh
|
|
),
|
|
|
|
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)
|
|
)
|
|
)
|
|
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
|
|
LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
|
|
|
|
writeback_global_dirty_state,
|
|
|
|
TP_PROTO(unsigned long background_thresh,
|
|
unsigned long dirty_thresh
|
|
),
|
|
|
|
TP_ARGS(background_thresh,
|
|
dirty_thresh
|
|
),
|
|
|
|
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
|
|
|
|
#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_PROTO(struct backing_dev_info *bdi,
|
|
unsigned long dirty_rate,
|
|
unsigned long task_ratelimit),
|
|
|
|
TP_ARGS(bdi, dirty_rate, task_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_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_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_PROTO(struct backing_dev_info *bdi,
|
|
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,
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
|
|
unsigned long period,
|
|
#endif
|
|
long pause,
|
|
unsigned long start_time),
|
|
|
|
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
|
|
#else
|
|
dirtied, pause, start_time
|
|
#endif
|
|
),
|
|
|
|
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)
|
|
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)
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
|
|
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 /* #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_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
|
|
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
|
|
LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
|
|
|
|
TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
|
|
|
|
TP_ARGS(usec_timeout, 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_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
|
|
|
|
TP_ARGS(usec_timeout, usec_delayed)
|
|
)
|
|
|
|
LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
|
|
|
|
TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
|
|
|
|
TP_ARGS(usec_timeout, usec_delayed)
|
|
)
|
|
#endif
|
|
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
|
|
LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
|
|
|
|
TP_PROTO(struct inode *inode,
|
|
struct writeback_control *wbc,
|
|
unsigned long nr_to_write
|
|
),
|
|
|
|
TP_ARGS(inode, wbc, nr_to_write),
|
|
|
|
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)
|
|
)
|
|
)
|
|
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
|
|
LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode_requeue,
|
|
TP_PROTO(struct inode *inode,
|
|
struct writeback_control *wbc,
|
|
unsigned long nr_to_write),
|
|
TP_ARGS(inode, wbc, nr_to_write)
|
|
)
|
|
#endif
|
|
|
|
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),
|
|
TP_ARGS(inode, wbc, nr_to_write)
|
|
)
|
|
#endif
|
|
|
|
#endif /* LTTNG_TRACE_WRITEBACK_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <probes/define_trace.h>
|