On Thu, 27 Aug 2015 17:24:03 +0200 Vlastimil Babka <vbabka@xxxxxxx> wrote: > 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@xxxxxxx> > Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Reviewed-by: Steven Rostedt <rostedt@xxxxxxxxxxx> -- Steve > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Mel Gorman <mgorman@xxxxxxx> > Cc: David Rientjes <rientjes@xxxxxxxxxx> > --- > include/trace/events/compaction.h | 38 ++++++++++++++++++++++++++++++++------ > 1 file changed, 32 insertions(+), 6 deletions(-) > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>