Re: [PATCH] Add last processor to process stat

[Almudena Garcia]

Improved tabs.

El dom., 27 oct. 2019 a las 20:40, Samuel Thibault (<samuel.thiba...@gnu.org>)
escribió:

> We are getting somewhere :)
>
> Now please fix the indentation (tabs vs spaces) to make it match what is
> already there in the file.
>
> Samuel
>

--- gnumach/include/mach/thread_info.h	2019-09-03 01:22:10.920747802 +0200
+++ GNUMach_SMP/include/mach/thread_info.h	2019-10-27 20:06:55.785860002 +0100
@@ -107,6 +107,7 @@
 	integer_t	cur_priority;	/* current priority */
 /*boolean_t*/integer_t	depressed;	/* depressed ? */
 	integer_t	depress_priority; /* priority depressed from */
+	integer_t	last_processor; /* last processor used by the thread */
 };
 
 typedef struct thread_sched_info	thread_sched_info_data_t;
--- gnumach/kern/thread.c	2019-09-03 01:22:10.932747830 +0200
+++ GNUMach_SMP/kern/thread.c	2019-10-27 20:51:37.330585145 +0100
@@ -1580,8 +1580,11 @@
 	else if (flavor == THREAD_SCHED_INFO) {
 	    thread_sched_info_t	sched_info;
 
-	    if (*thread_info_count < THREAD_SCHED_INFO_COUNT) {
-		return KERN_INVALID_ARGUMENT;
+	    /* Allow *thread_info_count to be one smaller than the
+	       usual amount, because last_processor is a
+	       new member that some callers might not know about. */
+	    if (*thread_info_count < THREAD_SCHED_INFO_COUNT -1) {
+		    return KERN_INVALID_ARGUMENT;
 	    }
 
 	    sched_info = (thread_sched_info_t) thread_info_out;
@@ -1609,6 +1612,12 @@
 	    sched_info->depressed = (thread->depress_priority >= 0);
 	    sched_info->depress_priority = thread->depress_priority;
 
+#if NCPUS > 1
+	    sched_info->last_processor = thread->last_processor;
+#else
+	    sched_info->last_processor = 0;
+#endif
+
 	    thread_unlock(thread);
 	    splx(s);