From: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
To: linux-btrace@vger.kernel.org
Subject: [RFC PATCH 04/39] blktrace: add a new global list
Date: Tue, 25 Aug 2020 22:09:34 +0000 [thread overview]
Message-ID: <20200825221009.6457-5-chaitanya.kulkarni@wdc.com> (raw)
Add a separate list to hold running extension traces.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
kernel/trace/blktrace.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 7ba62d68885a..7857ac2b37c9 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -36,6 +36,9 @@ static bool blk_tracer_enabled __read_mostly;
static LIST_HEAD(running_trace_list);
static __cacheline_aligned_in_smp DEFINE_SPINLOCK(running_trace_lock);
+static LIST_HEAD(running_trace_ext_list);
+static __cacheline_aligned_in_smp DEFINE_SPINLOCK(running_trace_ext_lock);
+
/* Select an alternative, minimalistic output than the original one */
#define TRACE_BLK_OPT_CLASSIC 0x1
#define TRACE_BLK_OPT_CGROUP 0x2
--
2.22.1
next reply other threads:[~2020-08-25 22:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-25 22:09 Chaitanya Kulkarni [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-11-05 2:40 [RFC PATCH 04/39] blktrace: add a new global list Chaitanya Kulkarni
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