I am having the same problem on a Sun Blade 1500 with Sol10U2. I'm creating an Oracle Instance and the system performance is horrible.
Any ideas? Here is the output (Sorry, attaching files did not work!): ----------------- Uptime says load average (5min): 13.09, Lockstat output (truncated): bash-3.00# lockstat -I mkfile 100M test Profiling interrupt: 486 events in 5.142 seconds (95 events/sec) Count indv cuml rcnt nsec CPU+PIL Caller ------------------------------------------------------------------------------- 74 15% 15% 0.00 397 cpu[0] drv_usecwait+0x24 60 12% 28% 0.00 457 cpu[0]+10 drv_usecwait+0x24 42 9% 36% 0.00 396 cpu[0] drv_usecwait+0x20 37 8% 44% 0.00 460 cpu[0]+10 drv_usecwait+0x20 35 7% 51% 0.00 3553 cpu[0] copy_pattern+0x20 31 6% 57% 0.00 461 cpu[0]+4 drv_usecwait+0x24 26 5% 63% 0.00 452 cpu[0]+4 drv_usecwait+0x20 17 3% 66% 0.00 2601 cpu[0] copyin_more+0x188 15 3% 69% 0.00 3653 cpu[0] fletcher_2_native+0x28 15 3% 72% 0.00 2702 cpu[0] copyin_more+0x19c 13 3% 75% 0.00 4890 cpu[0] bcopy_more+0x1b8 9 2% 77% 0.00 2249 cpu[0] bzero+0x128 8 2% 79% 0.00 3484 cpu[0] mutex_enter+0x8 7 1% 80% 0.00 1024 cpu[0] bzero+0x12c bash-3.00# dtrace -n profile-501'[EMAIL PROTECTED]()] = count()}END{trunc(@, 25)}' dtrace: description 'profile-501' matched 2 probes ^C CPU ID FUNCTION:NAME 0 2 :END unix`utl0+0x4c 6 SUNW,UltraSPARC-IIIi`hwblkclr+0xb0 unix`pagezero+0x98 genunix`anon_zero+0xbc genunix`segvn_faultpage+0x228 genunix`segvn_fault+0xac0 genunix`as_fault+0x4c8 unix`pagefault+0xac unix`trap+0xc70 unix`utl0+0x4c 6 zfs`fletcher_2_native+0x28 zfs`zio_checksum_error+0x274 zfs`zio_checksum_verify+0x14 zfs`zio_vdev_io_assess+0x178 genunix`taskq_thread+0x1a4 unix`thread_start+0x4 7 unix`idle+0x3c unix`thread_start+0x4 12 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 dad`dcdioctl+0xa74 zfs`vdev_disk_io_start+0xa0 zfs`vdev_config_sync+0xe8 zfs`spa_sync+0x238 zfs`txg_sync_thread+0x134 unix`thread_start+0x4 65 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 ufs`top_read_roll+0xb0 ufs`log_roll_read+0x124 ufs`trans_roll+0x2bc unix`thread_start+0x4 74 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_intr+0x58 uata`ata_intr+0xa4 pcisch`pci_intr_wrapper+0xb4 unix`intr_thread+0x170 75 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`arc_read+0x454 zfs`dbuf_prefetch+0x118 zfs`dmu_zfetch_fetch+0x2c zfs`dmu_zfetch_dofetch+0xb8 zfs`dmu_zfetch_find+0x32c zfs`dmu_zfetch+0x5c zfs`dbuf_read+0x108 78 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`zio_write_compress+0x1ec zfs`zio_wait+0xc zfs`dmu_sync+0x300 zfs`zfs_get_data+0x10c zfs`zil_lwb_commit+0xc0 zfs`zil_commit+0x1b0 zfs`zfs_write+0x6c4 78 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 dad`dcdioctl+0xa74 zfs`vdev_disk_io_start+0xa0 zfs`zio_wait+0xc zfs`vdev_config_sync+0x260 zfs`spa_sync+0x238 zfs`txg_sync_thread+0x134 unix`thread_start+0x4 79 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`zio_write_compress+0x1ec zfs`arc_write+0xe4 zfs`dbuf_sync+0x6d8 zfs`dnode_sync+0x35c zfs`dmu_objset_sync_dnodes+0x6c zfs`dmu_objset_sync+0x54 zfs`dsl_dataset_sync+0xc 79 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_uberblock_sync+0xf4 zfs`vdev_uberblock_sync_tree+0x88 zfs`vdev_config_sync+0x218 zfs`spa_sync+0x238 zfs`txg_sync_thread+0x134 unix`thread_start+0x4 84 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_uberblock_sync+0xf4 zfs`vdev_uberblock_sync_tree+0x88 zfs`vdev_config_sync+0x218 zfs`spa_sync+0x238 zfs`txg_sync_thread+0x134 unix`thread_start+0x4 116 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 dad`dcdioctl+0xa74 zfs`vdev_disk_io_start+0xa0 zfs`zio_wait+0xc zfs`vdev_config_sync+0x260 zfs`spa_sync+0x238 zfs`txg_sync_thread+0x134 unix`thread_start+0x4 121 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`zio_write_compress+0x1ec zfs`arc_write+0xe4 zfs`dbuf_sync+0x6d8 zfs`dnode_sync+0x35c zfs`dmu_objset_sync_dnodes+0x6c zfs`dmu_objset_sync+0x54 zfs`dsl_dataset_sync+0xc 121 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`arc_read+0x454 zfs`dbuf_prefetch+0x118 zfs`dmu_zfetch_fetch+0x2c zfs`dmu_zfetch_dofetch+0xb8 zfs`dmu_zfetch_find+0x32c zfs`dmu_zfetch+0x5c zfs`dbuf_read+0x108 122 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`zio_write_compress+0x1ec zfs`zio_wait+0xc zfs`dmu_sync+0x300 zfs`zfs_get_data+0x10c zfs`zil_lwb_commit+0xc0 zfs`zil_commit+0x1b0 zfs`zfs_write+0x6c4 123 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_intr+0x58 uata`ata_intr+0xa4 pcisch`pci_intr_wrapper+0xb4 unix`intr_thread+0x170 126 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 ufs`top_read_roll+0xb0 ufs`log_roll_read+0x124 ufs`trans_roll+0x2bc unix`thread_start+0x4 127 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 dad`dcdioctl+0xa74 zfs`vdev_disk_io_start+0xa0 zfs`vdev_config_sync+0xe8 zfs`spa_sync+0x238 zfs`txg_sync_thread+0x134 unix`thread_start+0x4 135 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`zil_lwb_write_start+0x254 zfs`zil_commit+0x21c zfs`zfs_write+0x6c4 genunix`fop_write+0x20 genunix`pwrite+0x22c unix`syscall_trap+0xac 144 SUNW,UltraSPARC-IIIi`drv_usecwait+0x20 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 dad`dcdioctl+0xa74 zfs`vdev_disk_io_start+0xa0 zfs`zil_flush_vdevs+0x138 zfs`zil_commit+0x2a0 zfs`zfs_write+0x6c4 genunix`fop_write+0x20 genunix`pwrite+0x22c unix`syscall_trap+0xac 199 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x160 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 zfs`vdev_mirror_io_start+0x1b4 zfs`zil_lwb_write_start+0x254 zfs`zil_commit+0x21c zfs`zfs_write+0x6c4 genunix`fop_write+0x20 genunix`pwrite+0x22c unix`syscall_trap+0xac 256 SUNW,UltraSPARC-IIIi`drv_usecwait+0x24 uata`ata_wait+0x90 uata`acersb_get_intr_status+0x38 uata`ata_set_feature+0x148 uata`ata_disk_start+0x120 uata`ata_hba_start+0xbc uata`ghd_waitq_process_and_mutex_hold+0x6c uata`ghd_waitq_process_and_mutex_exit+0x4 uata`ghd_transport+0x134 uata`ata_disk_tran_start+0x104 dad`dcdstart+0x2dc dad`dcdstrategy+0x3d0 dad`dcdioctl+0xa74 zfs`vdev_disk_io_start+0xa0 zfs`zil_flush_vdevs+0x138 zfs`zil_commit+0x2a0 zfs`zfs_write+0x6c4 genunix`fop_write+0x20 genunix`pwrite+0x22c unix`syscall_trap+0xac 402 896 This message posted from opensolaris.org _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org