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| author | Namhyung Kim <namhyung@kernel.org> | 2015-04-21 04:55:05 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-04 16:34:48 (GMT) |
| commit | 0e11115644b39ff9e986eb308b6c44ca75cd475f (patch) | |
| tree | da7a89487c7f2c2f0a1aabdfb44150a946e5f7ac /mm/internal.h | |
| parent | 2a7ef02c9ca0172cd48945407893f38c2438e754 (diff) | |
| download | linux-0e11115644b39ff9e986eb308b6c44ca75cd475f.tar.xz | |
perf kmem: Print gfp flags in human readable string
Save libtraceevent output and print it in the header.
# perf kmem stat --page --caller
#
# GFP flags
# ---------
# 00000010: NI: GFP_NOIO
# 000000d0: K: GFP_KERNEL
# 00000200: NWR: GFP_NOWARN
# 000084d0: K|R|Z: GFP_KERNEL|GFP_REPEAT|GFP_ZERO
# 000200d2: HU: GFP_HIGHUSER
# 000200da: HUM: GFP_HIGHUSER_MOVABLE
# 000280da: HUM|Z: GFP_HIGHUSER_MOVABLE|GFP_ZERO
# 002084d0: K|R|Z|NT: GFP_KERNEL|GFP_REPEAT|GFP_ZERO|GFP_NOTRACK
# 0102005a: NF|HW|M: GFP_NOFS|GFP_HARDWALL|GFP_MOVABLE
---------------------------------------------------------------------------------------------------------
Total alloc (KB) | Hits | Order | Mig.type | GFP flags | Callsite
---------------------------------------------------------------------------------------------------------
60 | 15 | 0 | UNMOVABL | K|R|Z|NT | pte_alloc_one
40 | 10 | 0 | MOVABLE | HUM|Z | handle_mm_fault
24 | 6 | 0 | MOVABLE | HUM | do_wp_page
24 | 6 | 0 | UNMOVABL | K | __pollwait
...
Requested-by: Joonsoo Kim <js1304@gmail.com>
Suggested-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/1429592107-1807-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'mm/internal.h')
0 files changed, 0 insertions, 0 deletions