> r...@nas2:/# lockstat -kIW -f outw -s 8 dd if=/dev/rdsk/c8t0d0s0 of=/dev/null > bs=65536 count=16384 ... > Count indv cuml rcnt nsec Hottest CPU+PIL Caller > 2436 100% 100% 0.00 540588 cpu[1]+11 outw > > nsec ------ Time Distribution ------ count Stack > 2048 | 1 cpu_acpi_write_port > 4096 | 4 write_ctrl > 8192 | 14 > speedstep_pstate_transition > 16384 | 22 speedstep_power > 32768 | 52 cpupm_state_change > 65536 |@ 94 cpupm_plat_change_state > 131072 |@@ 202 cpupm_change_state > 262144 |@@@@@ 428 > 524288 |@@@@@@ 561 > 1048576 |@@@@@@@@ 655 > 2097152 |@@@@ 403
Yep, that looks like defect 12799. Workaround should be to enable cpu power management in poll mode, with "cpupm enable poll-mode" in /etc/power.conf, followed by running pmconfig: http://defect.opensolaris.org/bz/show_bug.cgi?id=12799#c13 -- This message posted from opensolaris.org _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org
