Messages in this thread Patch in this message | | | From | Nico Pache <> | Subject | [PATCH] tracing: vmscan: add file/anon identifier to lru_shrink_[in]active tracepoints | Date | Fri, 4 Aug 2023 14:53:26 -0600 |
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Add the file variable to the tracepoint data for both the active and inactive lru shrink functions. This should help increase observability in the LRU reclaim algorithm.
Signed-off-by: Nico Pache <npache@redhat.com> --- include/trace/events/vmscan.h | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h index d2123dd960d5..055d50c10842 100644 --- a/include/trace/events/vmscan.h +++ b/include/trace/events/vmscan.h @@ -372,6 +372,7 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive, __field(unsigned long, nr_unmap_fail) __field(int, priority) __field(int, reclaim_flags) + __field(int, file) ), TP_fast_assign( @@ -388,10 +389,11 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive, __entry->nr_unmap_fail = stat->nr_unmap_fail; __entry->priority = priority; __entry->reclaim_flags = trace_reclaim_flags(file); + __entry->file = file; ), - TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s", - __entry->nid, + TP_printk("nid=%d is_file=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate_anon=%d nr_activate_file=%d nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s", + __entry->nid, __entry->file, __entry->nr_scanned, __entry->nr_reclaimed, __entry->nr_dirty, __entry->nr_writeback, __entry->nr_congested, __entry->nr_immediate, @@ -417,6 +419,7 @@ TRACE_EVENT(mm_vmscan_lru_shrink_active, __field(unsigned long, nr_referenced) __field(int, priority) __field(int, reclaim_flags) + __field(int, file) ), TP_fast_assign( @@ -427,10 +430,11 @@ TRACE_EVENT(mm_vmscan_lru_shrink_active, __entry->nr_referenced = nr_referenced; __entry->priority = priority; __entry->reclaim_flags = trace_reclaim_flags(file); + __entry->file = file; ), - TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", - __entry->nid, + TP_printk("nid=%d is_file=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s", + __entry->nid, __entry->file, __entry->nr_taken, __entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced, __entry->priority, -- 2.41.0
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