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1743d05060
Some compaction tracepoints use zone->name to print which zone is being compacted. This works for in-kernel printing, but not userspace trace printing of raw captured trace such as via trace-cmd report. This patch uses zone_idx() instead of zone->name as the raw value, and when printing, converts the zone_type to string using the appropriate EM() macros and some ugly tricks to overcome the problem that half the values depend on CONFIG_ options and one does not simply use #ifdef inside of #define. trace-cmd output before: transhuge-stres-4235 [000] 453.149280: mm_compaction_finished: node=0 zone=ffffffff81815d7a order=9 ret=partial after: transhuge-stres-4235 [000] 453.149280: mm_compaction_finished: node=0 zone=Normal order=9 ret=partial Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mel Gorman <mgorman@suse.de> Cc: David Rientjes <rientjes@google.com> Cc: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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