From: Byungchul Park <byungchul@sk.com>
To: linux-kernel@vger.kernel.org
Cc: kernel_team@skhynix.com, torvalds@linux-foundation.org,
damien.lemoal@opensource.wdc.com, linux-ide@vger.kernel.org,
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Subject: [PATCH v14 14/28] dept: Apply sdt_might_sleep_{start, end}() to hashed-waitqueue wait
Date: Wed, 8 May 2024 18:47:11 +0900 [thread overview]
Message-ID: <20240508094726.35754-15-byungchul@sk.com> (raw)
In-Reply-To: <20240508094726.35754-1-byungchul@sk.com>
Makes Dept able to track dependencies by hashed-waitqueue waits.
Signed-off-by: Byungchul Park <byungchul@sk.com>
---
include/linux/wait_bit.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h
index 7725b7579b78..fe89282c3e96 100644
--- a/include/linux/wait_bit.h
+++ b/include/linux/wait_bit.h
@@ -6,6 +6,7 @@
* Linux wait-bit related types and methods:
*/
#include <linux/wait.h>
+#include <linux/dept_sdt.h>
struct wait_bit_key {
void *flags;
@@ -246,6 +247,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p);
struct wait_bit_queue_entry __wbq_entry; \
long __ret = ret; /* explicit shadow */ \
\
+ sdt_might_sleep_start(NULL); \
init_wait_var_entry(&__wbq_entry, var, \
exclusive ? WQ_FLAG_EXCLUSIVE : 0); \
for (;;) { \
@@ -263,6 +265,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p);
cmd; \
} \
finish_wait(__wq_head, &__wbq_entry.wq_entry); \
+ sdt_might_sleep_end(); \
__out: __ret; \
})
--
2.17.1
next prev parent reply other threads:[~2024-05-08 10:03 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-08 9:46 [PATCH v14 00/28] DEPT(Dependency Tracker) Byungchul Park
2024-05-08 9:46 ` [PATCH v14 01/28] llist: Move llist_{head, node} definition to types.h Byungchul Park
2024-05-08 9:46 ` [PATCH v14 02/28] dept: Implement Dept(Dependency Tracker) Byungchul Park
2024-05-08 9:47 ` [PATCH v14 03/28] dept: Add single event dependency tracker APIs Byungchul Park
2024-05-08 9:47 ` [PATCH v14 04/28] dept: Add lock " Byungchul Park
2024-05-08 9:47 ` [PATCH v14 05/28] dept: Tie to Lockdep and IRQ tracing Byungchul Park
2024-05-08 9:47 ` [PATCH v14 06/28] dept: Add proc knobs to show stats and dependency graph Byungchul Park
2024-05-08 9:47 ` [PATCH v14 07/28] dept: Distinguish each syscall context from another Byungchul Park
2024-05-08 9:47 ` [PATCH v14 08/28] dept: Distinguish each work " Byungchul Park
2024-05-08 9:47 ` [PATCH v14 09/28] dept: Add a mechanism to refill the internal memory pools on running out Byungchul Park
2024-05-08 9:47 ` [PATCH v14 10/28] dept: Record the latest one out of consecutive waits of the same class Byungchul Park
2024-05-08 9:47 ` [PATCH v14 11/28] dept: Apply sdt_might_sleep_{start, end}() to wait_for_completion()/complete() Byungchul Park
2024-05-08 9:47 ` [PATCH v14 12/28] dept: Apply sdt_might_sleep_{start,end}() to swait Byungchul Park
2024-05-08 9:47 ` [PATCH v14 13/28] dept: Apply sdt_might_sleep_{start, end}() to waitqueue wait Byungchul Park
2024-05-08 9:47 ` Byungchul Park [this message]
2024-05-08 9:47 ` [PATCH v14 15/28] dept: Apply sdt_might_sleep_{start, end}() to dma fence wait Byungchul Park
2024-05-08 9:47 ` [PATCH v14 16/28] dept: Track timeout waits separately with a new Kconfig Byungchul Park
2024-05-08 9:47 ` [PATCH v14 17/28] dept: Apply timeout consideration to wait_for_completion()/complete() Byungchul Park
2024-05-08 9:47 ` [PATCH v14 18/28] dept: Apply timeout consideration to swait Byungchul Park
2024-05-08 9:47 ` [PATCH v14 19/28] dept: Apply timeout consideration to waitqueue wait Byungchul Park
2024-05-08 9:47 ` [PATCH v14 20/28] dept: Apply timeout consideration to hashed-waitqueue wait Byungchul Park
2024-05-08 9:47 ` [PATCH v14 21/28] dept: Apply timeout consideration to dma fence wait Byungchul Park
2024-05-08 9:47 ` [PATCH v14 22/28] dept: Make Dept able to work with an external wgen Byungchul Park
2024-05-08 9:47 ` [PATCH v14 23/28] dept: Track PG_locked with dept Byungchul Park
2024-05-08 9:47 ` [PATCH v14 24/28] dept: Print event context requestor's stacktrace on report Byungchul Park
2024-05-08 9:47 ` [PATCH v14 25/28] cpu/hotplug: Use a weaker annotation in AP thread Byungchul Park
2024-05-08 9:47 ` [PATCH v14 26/28] fs/jbd2: Use a weaker annotation in journal handling Byungchul Park
2024-05-08 9:47 ` [PATCH v14 27/28] dept: Add documentation for Dept Byungchul Park
2024-05-08 9:47 ` [PATCH v14 28/28] dept: Add documentation for Dept's APIs Byungchul Park
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