common/dtrace/dtrace.c

261 static int		dtrace_dynvar_failclean; /* dynvars failed to clean */
1736  * clean the dirty dynamic variable lists on all CPUs.  Dynamic variable
1771 			 * If the clean list is non-NULL, then we're in a
1774 			 * also have a non-NULL clean list).  We can't simply
1775 			 * move the dirty list into the clean list on this
1777 			 * to persist, lest a short clean list prevent a
1781 			 * with a NULL clean list, NULL dirty list, and NULL
1807 				 * therefore unable to clean it now.
1852 		 * into this dirty list; we can make it clean.
2179 			dtrace_dynvar_t *clean = dcpu->dtdsc_clean;
2182 			if (clean == NULL) {
2236 			 * The clean list appears to be non-empty.  We want to
2237 			 * move the clean list to the free list; we start by
2238 			 * moving the clean pointer aside.
2241 			    clean, NULL) != clean) {
2245 				 *  (a)	The clean list was switched to the
2248 				 *  (b)	The clean list was added to by the
2257 			ASSERT(clean->dtdv_hashval == DTRACE_DYNHASH_FREE);
2260 			 * Now we'll move the clean list to our free list.
2263 			 * code path, and only one CPU can own the clean list.
2266 			 * (That is, if dtrace_dynvar_clean() updated the clean
2270 			 * owners of the clean lists out before resetting
2271 			 * the clean lists.
2274 			rval = dtrace_casptr(&dcpu->dtdsc_free, NULL, clean);
3061  * asynchronously from cross call context to clean any speculations that are
3107  * asynchronously (and at a regular interval) to clean any speculations that
3561 		 * threads and processes don't clean up their own state --
3583 		 * (This is true because threads don't clean up their own
3629 		 * (This is true because threads don't clean up their own
3654 		 * (This is true because threads don't clean up their own
3696 		 * (This is true because threads don't clean up their own
3721 		 * (This is true because threads don't clean up their own
3747 		 * because threads and lwps don't clean up their own state --