lspci -vvv --- Chris Ison <[EMAIL PROTECTED]> wrote: > After a couple of kernel recompiles I got oprofile to work, and it was > reporting that most of its time was spend in default_idle for both > glxgears and qw-client-glx (from QuakeForge CVS). > > After speaking to one of the oprofile ppl, they seem to think that this > is as much as I will get cause it appears that the amount of time spent > in default_idle could be pointing to the driver waiting for IRQ's. > > Does DRI enable busmastering for PCI (if busmastering works that way) > and does DRI make the card utilize it for PCI. > > With the speeds even AGPx1 gets I'm assuming the same questions for AGP > would be answered with a yes, which is why I'm asking exclusively for > PCI. > > How can I check to see if the driver is using busmastering for my card? > > Here is the top few lines from the glxgears output. > > samples % image name app name symbol name > 135746 45.8645 vmlinux vmlinux default_idle > 23597 7.9727 r200_dri.so glxgears emit_vec12 > 7932 2.6800 vmlinux vmlinux mark_offset_tsc > 6826 2.3063 oprofiled oprofiled sfile_match > 5062 1.7103 libc-2.3.2.so glxgears (no symbols) > 5016 1.6948 vmlinux vmlinux mask_and_ack_8259A > 4726 1.5968 vmlinux glxgears __copy_from_user_ll > 4505 1.5221 radeon glxgears radeon_cp_cmdbuf > 3326 1.1238 r200_dri.so glxgears r200_emit_state_list >
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