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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/graphic/1618122')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/graphic/1618122 | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/graphic/1618122 b/results/classifier/deepseek-2-tmp/output/graphic/1618122 deleted file mode 100644 index f95b0d8f..00000000 --- a/results/classifier/deepseek-2-tmp/output/graphic/1618122 +++ /dev/null @@ -1,46 +0,0 @@ - -qemu-monitor screendump very slow - -qemu-monitor screendump often using 10-20% cpu usage of one core to take a small capture. - -Most of the CPU usage seems to come from libpixman. There were many reports of libpixman becoming 8 times slower in newer releases. - -https://github.com/qemu/qemu/blob/0c56c6ab68902281094c7aac6305e2321c34c187/ui/console.c#L285 - - -Simple Valgrind Ir report. - --------------------------------------------------------------------------------- - Ir --------------------------------------------------------------------------------- -56,592,286,124 PROGRAM TOTALS - --------------------------------------------------------------------------------- - Ir file:function --------------------------------------------------------------------------------- -40,288,379,712 ???:0x000000000000caa0 [/usr/lib64/libpixman-1.so.0.34.0] - 3,585,795,168 ???:0x000000000006df20 [/usr/lib64/libpixman-1.so.0.34.0] - 1,763,982,432 ???:0x0000000000052360 [/usr/lib64/libpixman-1.so.0.34.0] - 1,517,832,033 ???:__memcpy_sse2_unaligned [/usr/lib64/libc-2.23.so] - 993,997,885 ???:__GI_mempcpy [/usr/lib64/libc-2.23.so] - 484,059,456 ???:0x0000000000050430 [/usr/lib64/libpixman-1.so.0.34.0] - 460,109,168 ???:pixman_image_composite32 [/usr/lib64/libpixman-1.so.0.34.0] - -I tried taking a look on how to fix this, but it seems pixmap is deeply enrooted inside the monitor. I wanted to try to simply take whats on the display and memcpy it into .ppm format manually creating the file header, but I cant figure out where the raw display buffer/image starts. - -For example this is DisplaySurface: - -struct DisplaySurface { - pixman_format_code_t format; - pixman_image_t *image; - uint8_t flags; -#ifdef CONFIG_OPENGL - GLenum glformat; - GLenum gltype; - GLuint texture; -#endif -}; - -Which as you can see already has the pixman_image_t. Maybe I should just work with that pixman_image_t? - -The most effective solution IMO seems to just memcpy from the display into a premade header for a .ppm or .bmp file assuming 24 or 32 bpp. No need for libpixman. \ No newline at end of file |