[PATCH] f2fs: trace victim's cost selectecd by f2fs_gc

From: Jaegeuk Kim
Date: Fri Feb 17 2017 - 13:33:07 EST


This patch adds min_cost of each victims.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
include/trace/events/f2fs.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 153572e256d6..ff31ccfb8111 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -565,6 +565,7 @@ TRACE_EVENT(f2fs_get_victim,
__field(int, alloc_mode)
__field(int, gc_mode)
__field(unsigned int, victim)
+ __field(unsigned int, cost)
__field(unsigned int, ofs_unit)
__field(unsigned int, pre_victim)
__field(unsigned int, prefree)
@@ -578,20 +579,23 @@ TRACE_EVENT(f2fs_get_victim,
__entry->alloc_mode = p->alloc_mode;
__entry->gc_mode = p->gc_mode;
__entry->victim = p->min_segno;
+ __entry->cost = p->min_cost;
__entry->ofs_unit = p->ofs_unit;
__entry->pre_victim = pre_victim;
__entry->prefree = prefree;
__entry->free = free;
),

- TP_printk("dev = (%d,%d), type = %s, policy = (%s, %s, %s), victim = %u "
- "ofs_unit = %u, pre_victim_secno = %d, prefree = %u, free = %u",
+ TP_printk("dev = (%d,%d), type = %s, policy = (%s, %s, %s), "
+ "victim = %u, cost = %u, ofs_unit = %u, "
+ "pre_victim_secno = %d, prefree = %u, free = %u",
show_dev(__entry->dev),
show_data_type(__entry->type),
show_gc_type(__entry->gc_type),
show_alloc_mode(__entry->alloc_mode),
show_victim_policy(__entry->gc_mode),
__entry->victim,
+ __entry->cost,
__entry->ofs_unit,
(int)__entry->pre_victim,
__entry->prefree,
--
2.11.0