tracedump
System service to dump Intel processor trace + memory after a crash.
INSTALL
Install processor-trace, we tested with v2.0. Than install poetry in order to build the project with:
$ poetry installTo get a virtual environment with the tracedump python library use:
$ poetry shell
USAGE
Get traces from process id
$ sudo tracedumpd --pid 4660Get traces from child process
$ tracedumpd -- bash -c 'kill -11 $$'If the application creates a coredump there will be an archive created in /var/lib/tracedump.
This archive can be read by the tracedump decoder library. An example is in ./examples/read_trace.py:
root> ./examples/read_trace.py /var/lib/tracedump/bash-20201102T131134.tar.gz
# ...
<Instruction[ptic_other] @ 0x7f83652f783b> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f783c> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f783d> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f783f> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f7843> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_cond_jump] @ 0x7f83652f7846> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f7857> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f785c> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f7865> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f786d> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f7872> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_cond_jump] @ 0x7f83652f7874> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f7876> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_other] @ 0x7f83652f7879> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
<Instruction[ptic_far_call] @ 0x7f83652f787e> at 7f836522a000-7f836536e000 r-xp 144000 /run/user/1000/tmp6_g4xyeq/binaries/nix/store/bdf8iipzya03h2amgfncqpclf6bmy3a1-glibc-2.32/lib/libc-2.32.so
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