1PROBE::NFS.AOP.W(3stap) Network File Storage Tapsets PROBE::NFS.AOP.W(3stap)
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6 probe::nfs.aop.writepage - NFS client writing a mapped page to the NFS
7 server
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10 nfs.aop.writepage
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13 i_size
14 file length in bytes
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16 for_kupdate
17 a flag of writeback_control, indicates if it's a kupdate writeback
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19 dev
20 device identifier
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22 ino
23 inode number
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25 i_flag
26 file flags
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28 for_reclaim
29 a flag of writeback_control, indicates if it's invoked from the
30 page allocator
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32 wsize
33 write size
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35 sb_flag
36 super block flags
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38 __page
39 the address of page
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41 i_state
42 inode state flags
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44 size
45 number of pages to be written in this execution
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47 page_index
48 offset within mapping, can used a page identifier and position
49 identifier in the page frame
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52 The priority of wb is decided by the flags for_reclaim and for_kupdate.
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55 tapset::nfs(3stap)
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59SystemTap Tapset Reference June 2018 PROBE::NFS.AOP.W(3stap)