common/dtrace/dtrace.c

241 static int		dtrace_dynvar_failclean; /* dynvars failed to clean */
1554  * clean the dirty dynamic variable lists on all CPUs.  Dynamic variable
1589 			 * If the clean list is non-NULL, then we're in a
1592 			 * also have a non-NULL clean list).  We can't simply
1593 			 * move the dirty list into the clean list on this
1595 			 * to persist, lest a short clean list prevent a
1599 			 * with a NULL clean list, NULL dirty list, and NULL
1625 				 * therefore unable to clean it now.
1670 		 * into this dirty list; we can make it clean.
1997 			dtrace_dynvar_t *clean = dcpu->dtdsc_clean;
2000 			if (clean == NULL) {
2054 			 * The clean list appears to be non-empty.  We want to
2055 			 * move the clean list to the free list; we start by
2056 			 * moving the clean pointer aside.
2059 			    clean, NULL) != clean) {
2063 				 *  (a)	The clean list was switched to the
2066 				 *  (b)	The clean list was added to by the
2075 			ASSERT(clean->dtdv_hashval == DTRACE_DYNHASH_FREE);
2078 			 * Now we'll move the clean list to our free list.
2081 			 * code path, and only one CPU can own the clean list.
2084 			 * (That is, if dtrace_dynvar_clean() updated the clean
2088 			 * owners of the clean lists out before resetting
2089 			 * the clean lists.
2092 			rval = dtrace_casptr(&dcpu->dtdsc_free, NULL, clean);
2879  * asynchronously from cross call context to clean any speculations that are
2925  * asynchronously (and at a regular interval) to clean any speculations that
3391 		 * threads and processes don't clean up their own state --
3413 		 * (This is true because threads don't clean up their own
3459 		 * (This is true because threads don't clean up their own
3484 		 * (This is true because threads don't clean up their own
3509 		 * (This is true because threads don't clean up their own
3532 		 * (This is true because threads don't clean up their own
3555 		 * because threads and lwps don't clean up their own state --