Merge branch 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
authorLinus Torvalds <torvalds@linux-foundation.org>
Tue, 23 Feb 2021 01:06:54 +0000 (17:06 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 23 Feb 2021 01:06:54 +0000 (17:06 -0800)
Pull qorkqueue updates from Tejun Heo:
 "Tracepoint and comment updates only"

* 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Use %s instead of function name
  workqueue: tracing the name of the workqueue instead of it's address
  workqueue: fix annotation for WQ_SYSFS

include/linux/workqueue.h
include/trace/events/workqueue.h
kernel/workqueue.c

index 26de0ca..d15a773 100644 (file)
@@ -311,7 +311,7 @@ enum {
        WQ_MEM_RECLAIM          = 1 << 3, /* may be used for memory reclaim */
        WQ_HIGHPRI              = 1 << 4, /* high priority */
        WQ_CPU_INTENSIVE        = 1 << 5, /* cpu intensive workqueue */
-       WQ_SYSFS                = 1 << 6, /* visible in sysfs, see wq_sysfs_register() */
+       WQ_SYSFS                = 1 << 6, /* visible in sysfs, see workqueue_sysfs_register() */
 
        /*
         * Per-cpu workqueues are generally preferred because they tend to
index 9b8ae96..970cc2e 100644 (file)
@@ -30,7 +30,7 @@ TRACE_EVENT(workqueue_queue_work,
        TP_STRUCT__entry(
                __field( void *,        work    )
                __field( void *,        function)
-               __field( void *,        workqueue)
+               __field( const char *,  workqueue)
                __field( unsigned int,  req_cpu )
                __field( unsigned int,  cpu     )
        ),
@@ -38,12 +38,12 @@ TRACE_EVENT(workqueue_queue_work,
        TP_fast_assign(
                __entry->work           = work;
                __entry->function       = work->func;
-               __entry->workqueue      = pwq->wq;
+               __entry->workqueue      = pwq->wq->name;
                __entry->req_cpu        = req_cpu;
                __entry->cpu            = pwq->pool->cpu;
        ),
 
-       TP_printk("work struct=%p function=%ps workqueue=%p req_cpu=%u cpu=%u",
+       TP_printk("work struct=%p function=%ps workqueue=%s req_cpu=%u cpu=%u",
                  __entry->work, __entry->function, __entry->workqueue,
                  __entry->req_cpu, __entry->cpu)
 );
index 894bb88..0d150da 100644 (file)
@@ -2964,8 +2964,8 @@ reflush:
 
                if (++flush_cnt == 10 ||
                    (flush_cnt % 100 == 0 && flush_cnt <= 1000))
-                       pr_warn("workqueue %s: drain_workqueue() isn't complete after %u tries\n",
-                               wq->name, flush_cnt);
+                       pr_warn("workqueue %s: %s() isn't complete after %u tries\n",
+                               wq->name, __func__, flush_cnt);
 
                mutex_unlock(&wq->mutex);
                goto reflush;