svn commit: r327431 - head/sys/kern
Colin Percival
cperciva at FreeBSD.org
Sun Dec 31 09:24:12 UTC 2017
Author: cperciva
Date: Sun Dec 31 09:24:11 2017
New Revision: 327431
URL: https://svnweb.freebsd.org/changeset/base/327431
Log:
Instrument thread creations for the the benefit of the TSLOG framework.
This assists in tracking time spent while the boot is being "held" waiting
for something to happen.
Modified:
head/sys/kern/kern_kthread.c
Modified: head/sys/kern/kern_kthread.c
==============================================================================
--- head/sys/kern/kern_kthread.c Sun Dec 31 09:23:52 2017 (r327430)
+++ head/sys/kern/kern_kthread.c Sun Dec 31 09:24:11 2017 (r327431)
@@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$");
#include <sys/unistd.h>
#include <sys/wait.h>
#include <sys/sched.h>
+#include <sys/tslog.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
@@ -124,6 +125,7 @@ kproc_create(void (*func)(void *), void *arg,
#ifdef KTR
sched_clear_tdname(td);
#endif
+ TSTHREAD(td, td->td_name);
/* call the processes' main()... */
cpu_fork_kthread_handler(td, func, arg);
@@ -282,6 +284,8 @@ kthread_add(void (*func)(void *), void *arg, struct pr
va_start(ap, fmt);
vsnprintf(newtd->td_name, sizeof(newtd->td_name), fmt, ap);
va_end(ap);
+
+ TSTHREAD(newtd, newtd->td_name);
newtd->td_proc = p; /* needed for cpu_copy_thread */
/* might be further optimized for kthread */
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