kernel_optimize_test/include
Ross Zwisler b444073458 dax: add tracepoint to dax_insert_mapping()
Add a tracepoint to dax_insert_mapping(), following the same logging
conventions as the rest of DAX.  This tracepoint, along with the one in
dax_load_hole(), lets us know how a DAX PTE fault was serviced.

Here is an example DAX fault that inserts a PTE mapping:

  small-1126  [007] ....
   145.451604: dax_pte_fault: dev 259:0 ino 0x1003 shared WRITE|ALLOW_RETRY|KILLABLE|USER address 0x10420000 pgoff 0x220

  small-1126  [007] ....
   145.452317: dax_insert_mapping: dev 259:0 ino 0x1003 shared write address 0x10420000 radix_entry 0x100006

  small-1126  [007] ....
   145.452399: dax_pte_fault_done: dev 259:0 ino 0x1003 shared WRITE|ALLOW_RETRY|KILLABLE|USER address 0x10420000 pgoff 0x220 MAJOR|NOPAGE

Link: http://lkml.kernel.org/r/20170221195116.13278-7-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08 17:15:16 -07:00
..
acpi
asm-generic treewide: move set_memory_* functions away from cacheflush.h 2017-05-08 17:15:13 -07:00
clocksource
crypto
drm mm, vmalloc: use __GFP_HIGHMEM implicitly 2017-05-08 17:15:13 -07:00
dt-bindings This is the bulk of GPIO changes for the v4.12 kernel cycle: 2017-05-04 12:05:32 -07:00
keys
kvm
linux mm: introduce memalloc_noreclaim_{save,restore} 2017-05-08 17:15:15 -07:00
math-emu
media
memory
misc
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-04 12:26:43 -07:00
pcmcia
ras
rdma Updates for 4.12 kernel merge window 2017-05-03 12:45:55 -07:00
rxrpc
scsi SCSI misc on 20170503 2017-05-04 12:19:44 -07:00
soc
sound
target
trace dax: add tracepoint to dax_insert_mapping() 2017-05-08 17:15:16 -07:00
uapi scripts/spelling.txt: add regsiter -> register spelling mistake 2017-05-08 17:15:13 -07:00
video
xen
Kbuild