tracing: vmscan: add file/anon identifier to lru_shrink_[in]active tracepoints
Commit Message
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(-)
@@ -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,