<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Excessive CPU load by the xorg-server and GUI's hard lags" href="https://bugs.freedesktop.org/show_bug.cgi?id=99457#c19">Comment # 19</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Excessive CPU load by the xorg-server and GUI's hard lags" href="https://bugs.freedesktop.org/show_bug.cgi?id=99457">bug 99457</a> from <a class="email" href="mailto:eshkrig@gmail.com" title="Eugenij Shkrigunov <eshkrig@gmail.com>"> Eugenij Shkrigunov</a> <pre>I compiled with debugging xorg-server-1.18.4, xf86-video-ati-7.7.0, mesa-12.0.1, tigervnc-1.7.1 and run oprofile. Here are the data for the 5 minutes of inactivity of the KDM login screen: opreport --long-filenames /usr/bin/Xorg 909697 100.000 /usr/bin/Xorg CPU_CLK_UNHALT...| samples| %| ------------------ 905321 99.5190 /proc/kallsyms 1379 0.1516 /usr/lib64/mesa/radeonsi_dri.so 904 0.0994 /usr/lib64/xorg/modules/extensions/libvnc.so 654 0.0719 /usr/bin/Xorg 476 0.0523 /lib64/libc-2.23.so 249 0.0274 /usr/lib64/xorg/modules/drivers/radeon_drv.so 176 0.0193 /lib64/libpthread-2.23.so 122 0.0134 /usr/lib64/xorg/modules/libglamoregl.so 107 0.0118 /usr/lib64/libpixman-1.so.0.34.0 78 0.0086 /usr/lib64/libdrm.so.2.4.0 53 0.0058 /usr/lib64/libdrm_radeon.so.1.0.1 51 0.0056 [vdso] (tgid:5004 range:0x7ffd70577000-0x7ffd70578fff) 25 0.0027 /lib64/libm-2.23.so 25 0.0027 /usr/lib64/gcc/x86_64-pc-linux-gnu/4.9.4/libstdc++.so.6.0.20 24 0.0026 /usr/lib64/libGL.so.1.2.0 21 0.0023 /usr/lib64/xorg/modules/input/evdev_drv.so 13 0.0014 /usr/lib64/xorg/modules/libfb.so 11 0.0012 /lib64/libudev.so.1.6.4 7 7.7e-04 /usr/lib64/libglapi.so.0.0.0 1 1.1e-04 /lib64/ld-2.23.so opreport --long-filenames --symbols /proc/kallsyms samples % image name symbol name 747823 82.6031 /proc/kallsyms delay_tsc 85053 9.3948 /proc/kallsyms cail_reg_read 21208 2.3426 /proc/kallsyms atom_get_src_int 9510 1.0505 /proc/kallsyms atom_put_dst 8068 0.8912 /proc/kallsyms atom_execute_table_locked 5636 0.6225 /proc/kallsyms atom_op_move 3921 0.4331 /proc/kallsyms atom_op_jump 3008 0.3323 /proc/kallsyms atom_op_compare 2492 0.2753 /proc/kallsyms atom_op_clear 1824 0.2015 /proc/kallsyms atom_op_calltable 1260 0.1392 /proc/kallsyms atom_op_add 1109 0.1225 /proc/kallsyms atom_op_sub 1080 0.1193 /proc/kallsyms atom_op_test 891 0.0984 /proc/kallsyms atom_op_setport 676 0.0747 /proc/kallsyms atom_op_or 675 0.0746 /proc/kallsyms atom_op_shift_left 670 0.0740 /proc/kallsyms atom_op_setfbbase 543 0.0600 /proc/kallsyms atom_op_and 525 0.0580 /proc/kallsyms atom_op_mask 426 0.0471 /proc/kallsyms atom_op_delay 354 0.0391 /proc/kallsyms __udelay 344 0.0380 /proc/kallsyms apic_timer_interrupt 334 0.0369 /proc/kallsyms atom_get_src_direct 311 0.0344 /proc/kallsyms read_tsc 244 0.0270 /proc/kallsyms _raw_spin_lock 224 0.0247 /proc/kallsyms atom_op_setdatablock 177 0.0196 /proc/kallsyms __ww_mutex_lock 173 0.0191 /proc/kallsyms cail_reg_write 163 0.0180 /proc/kallsyms _raw_spin_lock_irqsave 163 0.0180 /proc/kallsyms update_blocked_averages 159 0.0176 /proc/kallsyms ww_mutex_unlock 155 0.0171 /proc/kallsyms task_tick_fair 148 0.0163 /proc/kallsyms radeon_crtc_load_lut 106 0.0117 /proc/kallsyms radeon_get_external_encoder opreport --long-filenames --symbols /usr/lib64/mesa/radeonsi_dri.so samples % image name symbol name 81 5.8781 /usr/lib64/mesa/radeonsi_dri.so radeon_cs_context_cleanup 73 5.2975 /usr/lib64/mesa/radeonsi_dri.so radeon_drm_cs_add_buffer 40 2.9028 /usr/lib64/mesa/radeonsi_dri.so si_buffer_resources_begin_new_cs 39 2.8302 /usr/lib64/mesa/radeonsi_dri.so radeon_drm_cs_emit_ioctl_oneshot 33 2.3948 /usr/lib64/mesa/radeonsi_dri.so si_draw_vbo 32 2.3222 /usr/lib64/mesa/radeonsi_dri.so surf_drm_to_winsys 31 2.2496 /usr/lib64/mesa/radeonsi_dri.so surf_winsys_to_drm 30 2.1771 /usr/lib64/mesa/radeonsi_dri.so _mesa_Flush 27 1.9594 /usr/lib64/mesa/radeonsi_dri.so radeon_drm_cs_emit_ioctl 26 1.8868 /usr/lib64/mesa/radeonsi_dri.so si_blitter_begin 25 1.8142 /usr/lib64/mesa/radeonsi_dri.so radeon_drm_cs_flush 24 1.7417 /usr/lib64/mesa/radeonsi_dri.so si_all_descriptors_begin_new_cs 23 1.6691 /usr/lib64/mesa/radeonsi_dri.so si_upload_descriptors 22 1.5965 /usr/lib64/mesa/radeonsi_dri.so _mesa_BindTexture 22 1.5965 /usr/lib64/mesa/radeonsi_dri.so si_shader_select 21 1.5239 /usr/lib64/mesa/radeonsi_dri.so radeon_lookup_buffer 19 1.3788 /usr/lib64/mesa/radeonsi_dri.so r600_flush_from_st 19 1.3788 /usr/lib64/mesa/radeonsi_dri.so st_glFlush 17 1.2337 /usr/lib64/mesa/radeonsi_dri.so _mesa_error_check_format_and_type 17 1.2337 /usr/lib64/mesa/radeonsi_dri.so r600_texture_create_object 17 1.2337 /usr/lib64/mesa/radeonsi_dri.so si_make_texture_descriptor 17 1.2337 /usr/lib64/mesa/radeonsi_dri.so si_update_shaders 16 1.1611 /usr/lib64/mesa/radeonsi_dri.so u_upload_alloc 16 1.1611 /usr/lib64/mesa/radeonsi_dri.so util_copy_framebuffer_state 15 1.0885 /usr/lib64/mesa/radeonsi_dri.so _mesa_TexSubImage2D 15 1.0885 /usr/lib64/mesa/radeonsi_dri.so si_set_framebuffer_state 14 1.0160 /usr/lib64/mesa/radeonsi_dri.so _mesa_get_current_tex_object 14 1.0160 /usr/lib64/mesa/radeonsi_dri.so radeon_drm_cs_sync_flush 14 1.0160 /usr/lib64/mesa/radeonsi_dri.so si_emit_framebuffer_state opreport --long-filenames --symbols /usr/lib64/xorg/modules/extensions/libvnc.so samples % image name symbol name 43 4.8206 /usr/lib64/xorg/modules/extensions/libvnc.so vncWriteBlockHandler 32 3.5874 /usr/lib64/xorg/modules/extensions/libvnc.so vncGetScreenCount 31 3.4753 /usr/lib64/xorg/modules/extensions/libvnc.so vncCallWriteBlockHandlers 27 3.0269 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::Timer::checkTimeouts() 25 2.8027 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::IntParameter::operator int() const 24 2.6906 /usr/lib64/xorg/modules/extensions/libvnc.so std::_List_base<network::Socket*, std::allocator<network::Socket*> >::_List_ 21 2.3543 /usr/lib64/xorg/modules/extensions/libvnc.so XserverDesktop::writeBlockHandler(fd_set*, timeval**) 20 2.2422 /usr/lib64/xorg/modules/extensions/libvnc.so XserverDesktop::readWakeupHandler(fd_set*, int) 20 2.2422 /usr/lib64/xorg/modules/extensions/libvnc.so std::_List_base<network::Socket*, std::allocator<network::Socket*> >::_List_ 20 2.2422 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<network::Socket*, std::allocator<network::Socket*> >::list() 20 2.2422 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<network::TcpListener*, std::allocator<network::TcpListener*> >::en 20 2.2422 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<rfb::Timer*, std::allocator<rfb::Timer*> >::empty() const 19 2.1300 /usr/lib64/xorg/modules/extensions/libvnc.so vncXUnionRegion 18 2.0179 /usr/lib64/xorg/modules/extensions/libvnc.so network::SocketListener::getFd() 18 2.0179 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::VNCServerST::add_changed(rfb::Region const&) 17 1.9058 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<network::TcpListener*, std::allocator<network::TcpListener*> >::be 16 1.7937 /usr/lib64/xorg/modules/extensions/libvnc.so std::allocator<std::_List_node<network::Socket*> >::allocator() 15 1.6816 /usr/lib64/xorg/modules/extensions/libvnc.so std::_List_iterator<network::TcpListener*>::operator!=(std::_List_iterator<n 15 1.6816 /usr/lib64/xorg/modules/extensions/libvnc.so vncHooksBlockHandler 14 1.5695 /usr/lib64/xorg/modules/extensions/libvnc.so std::_List_iterator<rfb::Timer*>::_List_iterator(std::__detail::_List_node_b 13 1.4574 /usr/lib64/xorg/modules/extensions/libvnc.so std::_List_base<rfb::Timer*, std::allocator<rfb::Timer*> >::_M_get_Tp_alloca 13 1.4574 /usr/lib64/xorg/modules/extensions/libvnc.so std::_List_iterator<network::Socket*>::_List_iterator() 13 1.4574 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<network::Socket*, std::allocator<network::Socket*> >::clear() 13 1.4574 /usr/lib64/xorg/modules/extensions/libvnc.so vncCallReadWakeupHandlers 12 1.3453 /usr/lib64/xorg/modules/extensions/libvnc.so XserverDesktop::readBlockHandler(fd_set*, timeval**) 12 1.3453 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<rfb::VNCSConnectionST*, std::allocator<rfb::VNCSConnectionST*> >:: 12 1.3453 /usr/lib64/xorg/modules/extensions/libvnc.so vncAddChanged 11 1.2332 /usr/lib64/xorg/modules/extensions/libvnc.so __gnu_cxx::new_allocator<std::_List_node<network::Socket*> >::new_allocator( 11 1.2332 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::VNCServerST::checkTimeouts() 11 1.2332 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<rfb::Timer*, std::allocator<rfb::Timer*> >::begin() 10 1.1211 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::Timer** std::__addressof<rfb::Timer*>(rfb::Timer*&) 10 1.1211 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::Timer::insertTimer(rfb::Timer*) 10 1.1211 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::Timer::start(int) 10 1.1211 /usr/lib64/xorg/modules/extensions/libvnc.so rfb::VNCServerST::getSockets(std::list<network::Socket*, std::allocator<netw 10 1.1211 /usr/lib64/xorg/modules/extensions/libvnc.so std::_List_iterator<rfb::VNCSConnectionST*>::_List_iterator() 10 1.1211 /usr/lib64/xorg/modules/extensions/libvnc.so std::list<network::Socket*, std::allocator<network::Socket*> >::begin() opreport --long-filenames --symbols /usr/lib64/xorg/modules/drivers/radeon_drv.so samples % image name symbol name 73 29.4355 /usr/lib64/xorg/modules/drivers/radeon_drv.so drmmode_set_desired_modes 59 23.7903 /usr/lib64/xorg/modules/drivers/radeon_drv.so drmmode_set_mode_major 33 13.3065 /usr/lib64/xorg/modules/drivers/radeon_drv.so RADEONBlockHandler_KMS 20 8.0645 /usr/lib64/xorg/modules/drivers/radeon_drv.so drmmode_do_crtc_dpms 13 5.2419 /usr/lib64/xorg/modules/drivers/radeon_drv.so drmmode_crtc_gamma_set 12 4.8387 /usr/lib64/xorg/modules/drivers/radeon_drv.so radeon_flush_callback 9 3.6290 /usr/lib64/xorg/modules/drivers/radeon_drv.so drm_wakeup_handler 9 3.6290 /usr/lib64/xorg/modules/drivers/radeon_drv.so radeon_cs_flush_indirect 8 3.2258 /usr/lib64/xorg/modules/drivers/radeon_drv.so RADEONBlockHandler_oneshot 5 2.0161 /usr/lib64/xorg/modules/drivers/radeon_drv.so drmmode_can_use_hw_cursor 5 2.0161 /usr/lib64/xorg/modules/drivers/radeon_drv.so drmmode_output_dpms 2 0.8065 /usr/lib64/xorg/modules/drivers/radeon_drv.so drmmode_handle_transform</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>