Author: cperciva
Date: Sun Dec 31 09:23:02 2017
New Revision: 327427
URL: https://svnweb.freebsd.org/changeset/base/327427
Log:
Use the TSLOG framework to record SYSINIT entry/exit timestamps.
Modified:
head/sys/sys/kernel.h
Modified: head/sys/sys/kernel.h
==============================================================================
--- head/sys/sys/kernel.h Sun Dec 31 09:22:31 2017 (r327426)
+++ head/sys/sys/kernel.h Sun Dec 31 09:23:02 2017 (r327427)
@@ -54,6 +54,9 @@
/* for intrhook below */
#include <sys/queue.h>
+/* for timestamping SYSINITs; other files may assume this is included here */
+#include <sys/tslog.h>
+
/* Global variables for the kernel. */
/* 1.1 */
@@ -229,14 +232,44 @@ struct sysinit {
* correct warnings when -Wcast-qual is used.
*
*/
+#ifdef TSLOG
+struct sysinit_tslog {
+ sysinit_cfunc_t func;
+ const void * data;
+ const char * name;
+};
+static inline void
+sysinit_tslog_shim(const void * data)
+{
+ const struct sysinit_tslog * x = data;
+
+ TSRAW(curthread, TS_ENTER, "SYSINIT", x->name);
+ (x->func)(x->data);
+ TSRAW(curthread, TS_EXIT, "SYSINIT", x->name);
+}
#define C_SYSINIT(uniquifier, subsystem, order, func, ident) \
+ static struct sysinit_tslog uniquifier ## _sys_init_tslog = { \
+ func, \
+ (ident), \
+ #uniquifier \
+ }; \
static struct sysinit uniquifier ## _sys_init = { \
subsystem, \
order, \
+ sysinit_tslog_shim, \
+ &uniquifier ## _sys_init_tslog \
+ }; \
+ DATA_SET(sysinit_set,uniquifier ## _sys_init)
+#else
+#define C_SYSINIT(uniquifier, subsystem, order, func, ident) \
+ static struct sysinit uniquifier ## _sys_init = { \
+ subsystem, \
+ order, \
func, \
(ident) \
}; \
DATA_SET(sysinit_set,uniquifier ## _sys_init)
+#endif
#define SYSINIT(uniquifier, subsystem, order, func, ident) \
C_SYSINIT(uniquifier, subsystem, order, \
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