* [RFC PATCH 22/39] blktrace: update blk_add_trace_unplug()
@ 2020-08-25 22:09 Chaitanya Kulkarni
0 siblings, 0 replies; 2+ messages in thread
From: Chaitanya Kulkarni @ 2020-08-25 22:09 UTC (permalink / raw)
To: linux-btrace
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
kernel/trace/blktrace.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index dd80f25ebdaf..bf8b438d3f8d 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1514,9 +1514,11 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
unsigned int depth, bool explicit)
{
struct blk_trace *bt;
+ struct blk_trace_ext *bte;
rcu_read_lock();
bt = rcu_dereference(q->blk_trace);
+ bte = rcu_dereference(q->blk_trace_ext);
if (bt) {
__be64 rpdu = cpu_to_be64(depth);
u32 what;
@@ -1527,6 +1529,16 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
what = BLK_TA_UNPLUG_TIMER;
__blk_add_trace(bt, 0, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu, 0);
+ } else if (bte) {
+ __be64 rpdu = cpu_to_be64(depth);
+ u64 what;
+
+ if (explicit)
+ what = BLK_TA_UNPLUG_IO_EXT;
+ else
+ what = BLK_TA_UNPLUG_TIMER_EXT;
+ __blk_add_trace_ext(bte, 0, 0, 0, 0, what, 0, sizeof(rpdu),
+ &rpdu, 0, 0);
}
rcu_read_unlock();
}
--
2.22.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [RFC PATCH 22/39] blktrace: update blk_add_trace_unplug()
@ 2020-11-05 2:40 Chaitanya Kulkarni
0 siblings, 0 replies; 2+ messages in thread
From: Chaitanya Kulkarni @ 2020-11-05 2:40 UTC (permalink / raw)
To: linux-btrace
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
kernel/trace/blktrace.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 6da8d1c185ee..ffae6abfa606 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1514,9 +1514,11 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
unsigned int depth, bool explicit)
{
struct blk_trace *bt;
+ struct blk_trace_ext *bte;
rcu_read_lock();
bt = rcu_dereference(q->blk_trace);
+ bte = rcu_dereference(q->blk_trace_ext);
if (bt) {
__be64 rpdu = cpu_to_be64(depth);
u32 what;
@@ -1527,6 +1529,16 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
what = BLK_TA_UNPLUG_TIMER;
__blk_add_trace(bt, 0, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu, 0);
+ } else if (bte) {
+ __be64 rpdu = cpu_to_be64(depth);
+ u64 what;
+
+ if (explicit)
+ what = BLK_TA_UNPLUG_IO_EXT;
+ else
+ what = BLK_TA_UNPLUG_TIMER_EXT;
+ __blk_add_trace_ext(bte, 0, 0, 0, 0, what, 0, sizeof(rpdu),
+ &rpdu, 0, 0);
}
rcu_read_unlock();
}
--
2.22.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
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