lkml.org 
[lkml]   [2023]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[RESEND PATCH v10 09/25] dept: Apply sdt_might_sleep_{start,end}() to swait
    Date
    Makes Dept able to track dependencies by swaits.

    Signed-off-by: Byungchul Park <byungchul@sk.com>
    ---
    include/linux/swait.h | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/include/linux/swait.h b/include/linux/swait.h
    index 6a8c22b8c2a5..02848211cef5 100644
    --- a/include/linux/swait.h
    +++ b/include/linux/swait.h
    @@ -6,6 +6,7 @@
    #include <linux/stddef.h>
    #include <linux/spinlock.h>
    #include <linux/wait.h>
    +#include <linux/dept_sdt.h>
    #include <asm/current.h>

    /*
    @@ -161,6 +162,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait);
    struct swait_queue __wait; \
    long __ret = ret; \
    \
    + sdt_might_sleep_start(NULL); \
    INIT_LIST_HEAD(&__wait.task_list); \
    for (;;) { \
    long __int = prepare_to_swait_event(&wq, &__wait, state);\
    @@ -176,6 +178,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait);
    cmd; \
    } \
    finish_swait(&wq, &__wait); \
    + sdt_might_sleep_end(); \
    __out: __ret; \
    })

    --
    2.17.1
    \
     
     \ /
      Last update: 2023-08-21 06:07    [W:3.687 / U:0.060 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site