Anshuman Khandual 1a5bae25e3 mm/vmstat: add events for THP migration without split ...

Add following new vmstat events which will help in validating THP
migration without split.  Statistics reported through these new VM events
will help in performance debugging.

1. THP_MIGRATION_SUCCESS
2. THP_MIGRATION_FAILURE
3. THP_MIGRATION_SPLIT

In addition, these new events also update normal page migration statistics
appropriately via PGMIGRATE_SUCCESS and PGMIGRATE_FAILURE.  While here,
this updates current trace event 'mm_migrate_pages' to accommodate now
available THP statistics.

[[email protected]: s/hpage_nr_pages/thp_nr_pages/]
[[email protected]: v2]
  Link: http://lkml.kernel.org/r/[email protected]
[[email protected]: s/thp_nr_pages/hpage_nr_pages/]
  Link: http://lkml.kernel.org/r/[email protected]

Signed-off-by: Anshuman Khandual <[email protected]>
Signed-off-by: Zi Yan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Daniel Jordan <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Zi Yan <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>

2020-08-12 10:57:57 -07:00

..

events

mm/vmstat: add events for THP migration without split

2020-08-12 10:57:57 -07:00

bpf_probe.h

…

define_trace.h

…

perf.h

…

syscall.h

…

trace_events.h

tracing: not necessary to define DEFINE_EVENT_PRINT to be empty again

2020-06-30 14:29:32 -04:00