Hi John, interesting amount of dtrace_xcall_func(), do you have some dtrace scripts running at that time? If you compare b154 and b155 with powertop, do you see some significant difference?
Best regards, Milan John Martin píše v pá 31. 12. 2010 v 12:33 -0500: > Ever since upgrading from b154 to b155 my power meter shows > the average power use for an idle desktop to be about 20W higher and > the power level jumps around quite a bit with swings as high > as an additional 50W. Any known causes? Typical PowerTOP output: > > OpenSolaris PowerTOP version 1.2 > > C-states (idle power) Avg Residency P-states (frequencies) > C0 (cpu running) (17.5%) 1596 Mhz > 75.3% > C1 1.3ms (38.2%) 1729 Mhz 0.0% > C2 0.0ms (0.0%) 1862 Mhz 0.0% > C3 0.0ms (44.3%) 1995 Mhz 0.0% > 2128 Mhz 0.0% > 2261 Mhz 0.0% > 2394 Mhz 0.0% > 2527 Mhz 0.0% > 2660 Mhz 0.0% > 2793 Mhz 0.0% > 2926 Mhz 0.0% > 3059 Mhz 0.0% > 3192 Mhz 0.0% > 3325 Mhz 0.0% > 3425 > Mhz(turbo) 24.7% > > Wakeups-from-idle per second: 139250.4 interval: 5.0s > no ACPI power usage estimate available > > Top causes for wakeups: > 32.5% (45217.1) sched : <xcalls> unix`dtrace_xcall_func > 2.2% (3007.1) sched : <xcalls> > unix`speedstep_pstate_transition > 0.4% (610.8) <kernel> : genunix`clock > 0.4% (495.6) <kernel> : genunix`cv_wakeup > 0.2% (305.4) <kernel> : SDC`sysdc_update > 0.1% (141.0) <kernel> : > uhci`uhci_handle_root_hub_status_change > 0.1% (113.6) <interrupt> : ahci#0 > 0.1% ( 74.4) <kernel> : cpudrv`cpudrv_monitor_disp > 0.0% ( 69.0) intrd : <xcalls> unix`hati_demap_func > 0.0% ( 47.2) <kernel> : > ehci`ehci_handle_root_hub_status_change > 0.0% ( 40.6) mixer_applet2 : <xcalls> > unix`speedstep_pstate_transition > 0.0% ( 36.8) <kernel> : uhci`uhci_cmd_timeout_hdlr > 0.0% ( 36.0) zpool-rpool : <xcalls> > unix`speedstep_pstate_transition > 0.0% ( 30.8) Xorg : <xcalls> > unix`speedstep_pstate_transition > 0.0% ( 24.4) <kernel> : genunix`schedpaging > 0.0% ( 22.6) updatemanagernot : <xcalls> > unix`speedstep_pstate_transition > 0.0% ( 17.6) fsflush : <xcalls> > unix`speedstep_pstate_transition > 0.0% ( 11.2) <kernel> : sd`sd_pm_idletimeout_handler > 0.0% ( 6.6) nwam-manager : <xcalls> > unix`speedstep_pstate_transition > 0.0% ( 6.2) <interrupt> : nvidia#0 _______________________________________________ pm-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/pm-discuss
