I've tried your script lockutil and now the output:
lockutil -n 44 lockstat_kWP.out
CPU-util Lock Caller
0.191 kstat_chain_lock kstat_hold
0.036 kstat_chain_lock kstat_rele
0.014 mod_lock mod_hold_stub
0.006 kpr_mutex hat_page_relocate
0.002 0x1992fb0 page_get_mnode_freelist
0.002 anonhash_lock+0x118 anon_decref_pages
0.001 dtrace_lock dtrace_ioctl
0.001 0x3000cacb780 lwp_unpark
0.001 anonpages_hash_lock+0x80 anon_map_privatepages
0.001 pse_mutex+0x600 page_trylock
0.001 pidlock pr_lookup_procdir
0.000 vx_worklist_lk vx_worklist_process
0.000 0x3000cacb780 post_syscall
0.000 0x3000cacb780 stop
0.000 0x19930d8 page_list_add
0.000 pidlock waitid
0.000 dtrace_lock dtrace_ioctl_helper
0.000 dtrace_lock dtrace_helpers_duplicate
0.000 cpu_lock system_misc_kstat_update
0.000 dtrace_lock dtrace_helpers_destroy
0.000 vx_sched_lk vx_worklist_thread
0.000 kstat_chain_lock kstat_create_zone
0.000 anonhash_lock+0x118 anon_dup_fill_holes
0.000 pse_mutex+0x6c0 page_unlock
0.000 pidlock freectty_lock
0.000 anon_array_lock+0x1800 anon_array_enter
0.000 0x1992988 page_list_sub
0.000 pidlock thread_exit
0.000 0x3000cacb780 clock_tick_process
0.000 0x3000cacb780 trap_cleanup
0.000 pidlock proc_exit
0.000 pidlock cv_wait_sig_swap_core
0.000 cpu_lock pset_getloadavg
[...]
Is the problem corrected with oracle 10.2.0.4.0. 11g please ?
Thanks
Matt
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