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comparison src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp @ 8855:24ef5fb05e0f

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8010463: G1: Crashes with -UseTLAB and heap verification Summary: Some parts of the G1 heap can only be walked during a safepoint. Skip verifying these parts of the heap when verifying during JVM startup. Reviewed-by: brutisso, tschatzl
author johnc
date Fri, 29 Mar 2013 13:49:37 -0700
parents 2e093b564241
children b9a918201d47 7b835924c31c 71013d764f6e
comparison
equal deleted inserted replaced
8854:754c24457b20 8855:24ef5fb05e0f
3286 verify(silent, VerifyOption_G1UsePrevMarking); 3286 verify(silent, VerifyOption_G1UsePrevMarking);
3287 } 3287 }
3288 3288
3289 void G1CollectedHeap::verify(bool silent, 3289 void G1CollectedHeap::verify(bool silent,
3290 VerifyOption vo) { 3290 VerifyOption vo) {
3291 if (SafepointSynchronize::is_at_safepoint() || ! UseTLAB) { 3291 if (SafepointSynchronize::is_at_safepoint()) {
3292 if (!silent) { gclog_or_tty->print("Roots "); } 3292 if (!silent) { gclog_or_tty->print("Roots "); }
3293 VerifyRootsClosure rootsCl(vo); 3293 VerifyRootsClosure rootsCl(vo);
3294 3294
3295 assert(Thread::current()->is_VM_thread(), 3295 assert(Thread::current()->is_VM_thread(),
3296 "Expected to be executed serially by the VM thread at this point"); 3296 "Expected to be executed serially by the VM thread at this point");
3297 3297
3298 CodeBlobToOopClosure blobsCl(&rootsCl, /*do_marking=*/ false); 3298 CodeBlobToOopClosure blobsCl(&rootsCl, /*do_marking=*/ false);
3299 VerifyKlassClosure klassCl(this, &rootsCl); 3299 VerifyKlassClosure klassCl(this, &rootsCl);
3300 3300
3301 // We apply the relevant closures to all the oops in the 3301 // We apply the relevant closures to all the oops in the
3376 #endif 3376 #endif
3377 gclog_or_tty->flush(); 3377 gclog_or_tty->flush();
3378 } 3378 }
3379 guarantee(!failures, "there should not have been any failures"); 3379 guarantee(!failures, "there should not have been any failures");
3380 } else { 3380 } else {
3381 if (!silent) gclog_or_tty->print("(SKIPPING roots, heapRegions, remset) "); 3381 if (!silent)
3382 gclog_or_tty->print("(SKIPPING roots, heapRegionSets, heapRegions, remset) ");
3382 } 3383 }
3383 } 3384 }
3384 3385
3385 class PrintRegionClosure: public HeapRegionClosure { 3386 class PrintRegionClosure: public HeapRegionClosure {
3386 outputStream* _st; 3387 outputStream* _st;