PROBE::NFS.AOP.W(3stap) Network File Storage Tapsets PROBE::NFS.AOP.W(3stap)NAMEprobe::nfs.aop.write_begin - NFS client begin to write data
SYNOPSIS
nfs.aop.write_begin
VALUES
dev
device identifier
page_index
offset within mapping, can used a page identifier and position
identifier in the page frame
__page
the address of page
size
write bytes
to
end address of this write operation
ino
inode number
offset
start address of this write operation
DESCRIPTION
Occurs when write operation occurs on nfs. It prepare a page for
writing, look for a request corresponding to the page. If there is one,
and it belongs to another file, it flush it out before it tries to copy
anything into the page. Also do the same if it finds a request from an
existing dropped page
SystemTap Tapset Reference March 2013 PROBE::NFS.AOP.W(3stap)