Update, after few hours of qemu uptime I can see this oreport: CPU: AMD64 family15h, speed 3800 MHz (estimated) Counted CPU_CLK_UNHALTED events (CPU Clocks not Halted) with a unit mask of 0x00 (No unit mask) count 100000 samples % linenr info image name symbol name ------------------------------------------------------------------------------- 385793 53.1157 nv50_context.c:409 nouveau_dri.so nv50_bufctx_fence 385793 100.000 nv50_context.c:409 nouveau_dri.so nv50_bufctx_fence [self] ------------------------------------------------------------------------------- 151037 20.7947 pushbuf.c:482 libdrm_nouveau.so.2.0.0 pushbuf_validate 151037 100.000 pushbuf.c:482 libdrm_nouveau.so.2.0.0 pushbuf_validate [self] ------------------------------------------------------------------------------- 83835 11.5423 pushbuf.c:149 libdrm_nouveau.so.2.0.0 pushbuf_kref 83835 100.000 pushbuf.c:149 libdrm_nouveau.so.2.0.0 pushbuf_kref [self] ------------------------------------------------------------------------------- 44660 6.1488 (no location information) libpixman-1.so.0.38.0 /usr/X11R7/lib/libpixman-1.so.0.38.0 44660 100.000 (no location information) libpixman-1.so.0.38.0 /usr/X11R7/lib/libpixman-1.so.0.38.0 [self] ------------------------------------------------------------------------------- 16662 2.2940 (no location information) libc-2.30.so memcpy 16662 100.000 (no location information) libc-2.30.so memcpy [self] ------------------------------------------------------------------------------- 8587 1.1823 (no location information) kallsyms dma_direct_alloc_pages 8587 100.000 (no location information) kallsyms dma_direct_alloc_pages [self] ------------------------------------------------------------------------------- 2276 0.3134 (no location information) kallsyms ioread32 2276 100.000 (no location information) kallsyms ioread32 [self] ------------------------------------------------------------------------------- 2033 0.2799 (no location information) qemu-system-x86_64 /usr/bin/qemu-system-x86_64 2033 100.000 (no location information) qemu-system-x86_64 /usr/bin/qemu-system-x86_64 [self] ------------------------------------------------------------------------------- 1925 0.2650 (no location information) libdrm_nouveau.so.2.0.0 __x86.get_pc_thunk.si 1925 100.000 (no location information) libdrm_nouveau.so.2.0.0 __x86.get_pc_thunk.si [self] ------------------------------------------------------------------------------- 1765 0.2430 (no location information) nouveau /nouveau 1765 100.000 (no location information) nouveau /nouveau [self] ------------------------------------------------------------------------------- 1453 0.2000 (no location information) ttm /ttm 1453 100.000 (no location information) ttm /ttm [self] ------------------------------------------------------------------------------- 1286 0.1771 (no location information) ld-2.30.so _dl_update_slotinfo 1286 100.000 (no location information) ld-2.30.so _dl_update_slotinfo [self] ------------------------------------------------------------------------------- 1038 0.1429 (no location information) kallsyms atomic_try_cmpxchg 1038 100.000 (no location information) kallsyms atomic_try_cmpxchg [self] ------------------------------------------------------------------------------- 990 0.1363 (no location information) kallsyms find_next_iomem_res 990 100.000 (no location information) kallsyms find_next_iomem_res [self] ------------------------------------------------------------------------------- 837 0.1152 (no location information) libc-2.30.so cfree@GLIBC_2.0 837 100.000 (no location information) libc-2.30.so cfree@GLIBC_2.0 [self] ------------------------------------------------------------------------------- 741 0.1020 (no location information) libc-2.30.so _int_free 741 100.000 (no location information) libc-2.30.so _int_free [self] ------------------------------------------------------------------------------- 590 0.0812 (no location information) libc-2.30.so malloc 590 100.000 (no location information) libc-2.30.so malloc [self] ------------------------------------------------------------------------------- while initially it was: opreport -c -g --session-dir=./1/oprofile_data/ | less CPU: AMD64 family15h, speed 3800 MHz (estimated) Counted CPU_CLK_UNHALTED events (CPU Clocks not Halted) with a unit mask of 0x00 (No unit mask) count 100000 samples % linenr info image name symbol name ------------------------------------------------------------------------------- 70223 33.8331 (no location information) libc-2.30.so memcpy 70223 100.000 (no location information) libc-2.30.so memcpy [self] ------------------------------------------------------------------------------- 36385 17.5301 (no location information) libpixman-1.so.0.38.0 /usr/X11R7/lib/libpixman-1.so.0.38.0 36385 100.000 (no location information) libpixman-1.so.0.38.0 /usr/X11R7/lib/libpixman-1.so.0.38.0 [self] ------------------------------------------------------------------------------- 35130 16.9255 (no location information) kallsyms dma_direct_alloc_pages 35130 100.000 (no location information) kallsyms dma_direct_alloc_pages [self] ------------------------------------------------------------------------------- 3885 1.8718 (no location information) ttm /ttm 3885 100.000 (no location information) ttm /ttm [self] ------------------------------------------------------------------------------- 3873 1.8660 (no location information) kallsyms find_next_iomem_res 3873 100.000 (no location information) kallsyms find_next_iomem_res [self] ------------------------------------------------------------------------------- 3429 1.6521 (no location information) qemu-system-x86_64 /usr/bin/qemu-system-x86_64 3429 100.000 (no location information) qemu-system-x86_64 /usr/bin/qemu-system-x86_64 [self] ------------------------------------------------------------------------------- 2883 1.3890 (no location information) nouveau /nouveau 2883 100.000 (no location information) nouveau /nouveau [self] ------------------------------------------------------------------------------- 2119 1.0209 (no location information) kallsyms atomic_try_cmpxchg 2119 100.000 (no location information) kallsyms atomic_try_cmpxchg [self] ------------------------------------------------------------------------------- 1812 0.8730 (no location information) kvm_amd /kvm_amd 1812 100.000 (no location information) kvm_amd /kvm_amd [self] ------------------------------------------------------------------------------- 1759 0.8475 nv50_context.c:409 nouveau_dri.so nv50_bufctx_fence 1759 100.000 nv50_context.c:409 nouveau_dri.so nv50_bufctx_fence [self] ------------------------------------------------------------------------------- 1681 0.8099 (no location information) kvm /kvm 1681 100.000 (no location information) kvm /kvm [self] ------------------------------------------------------------------------------- 1668 0.8036 (no location information) kallsyms __x86_indirect_thunk_rax 1668 100.000 (no location information) kallsyms __x86_indirect_thunk_rax [self] ------------------------------------------------------------------------------- 1564 0.7535 (no location information) kallsyms page_fault 1564 100.000 (no location information) kallsyms page_fault [self] ------------------------------------------------------------------------------- 1314 0.6331 image.c:121 nouveau_dri.so _mesa_image_offset 1314 100.000 image.c:121 nouveau_dri.so _mesa_image_offset [self] ------------------------------------------------------------------------------- 1249 0.6018 pushbuf.c:482 libdrm_nouveau.so.2.0.0 pushbuf_validate 1249 100.000 pushbuf.c:482 libdrm_nouveau.so.2.0.0 pushbuf_validate [self] ------------------------------------------------------------------------------- 1123 0.5411 (no location information) kallsyms unmap_page_range 1123 100.000 (no location information) kallsyms unmap_page_range [self] ------------------------------------------------------------------------------- 1088 0.5242 (no location information) kallsyms atomic_sub_return.constprop.3 1088 100.000 (no location information) kallsyms atomic_sub_return.constprop.3 [self] ------------------------------------------------------------------------------- pixman/memcpy dominating initial profile probably OK, because guest uses vesa driver and KDE4 with 1920x1200 resolution, scaled down to my monitor resolution 1440x900 :} I'll attach compressed oprofile directories with data (from oprofile 1.2.0)
Attachment:
1-qemu-samples_fresh.tar.gz
Description: application/tgz
Attachment:
2-qemu-samples_mid.tar.gz
Description: application/tgz
Attachment:
3-qemu-samples_last.tar.gz
Description: application/tgz
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