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https://github.com/torvalds/linux
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0c3a6ef4ea
Forgot about page faults, a software event, when adding support for callchains,
fix it:
# trace --no-syscalls --pf maj --call dwarf
0.000 ( 0.000 ms): Xorg/2068 majfault [sfbSegment1+0x0] => /usr/lib64/xorg/modules/drivers/intel_drv.so@0x11b490 (x.)
sfbSegment1+0x0 (/usr/lib64/xorg/modules/drivers/intel_drv.so)
fbPolySegment32+0x361 (/usr/lib64/xorg/modules/drivers/intel_drv.so)
sna_poly_segment+0x743 (/usr/lib64/xorg/modules/drivers/intel_drv.so)
damagePolySegment+0x77 (/usr/libexec/Xorg)
ProcPolySegment+0xe7 (/usr/libexec/Xorg)
Dispatch+0x25f (/usr/libexec/Xorg)
dix_main+0x3c3 (/usr/libexec/Xorg)
__libc_start_main+0xf0 (/usr/lib64/libc-2.22.so)
_start+0x29 (/usr/libexec/Xorg)
0.257 ( 0.000 ms): Xorg/2068 majfault [miZeroClipLine+0x0] => /usr/libexec/Xorg@0x18e830 (x.)
miZeroClipLine+0x0 (/usr/libexec/Xorg)
_fbSegment+0x2c0 (/usr/lib64/xorg/modules/drivers/intel_drv.so)
sfbSegment1+0x67 (/usr/lib64/xorg/modules/drivers/intel_drv.so)
fbPolySegment32+0x361 (/usr/lib64/xorg/modules/drivers/intel_drv.so)
sna_poly_segment+0x743 (/usr/lib64/xorg/modules/drivers/intel_drv.so)
damagePolySegment+0x77 (/usr/libexec/Xorg)
ProcPolySegment+0xe7 (/usr/libexec/Xorg)
Dispatch+0x25f (/usr/libexec/Xorg)
dix_main+0x3c3 (/usr/libexec/Xorg)
__libc_start_main+0xf0 (/usr/lib64/libc-2.22.so)
_start+0x29 (/usr/libexec/Xorg)
^C#
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-8h6ssirw5z15qyhy2lwd6f89@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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