nexb / tracecode-toolkit-strace Goto Github PK
View Code? Open in Web Editor NEWTrace software components, packages and files between Development/Source and Deployment/Distribution/Binaries codebases - strace build analysis
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suggestions for improving strace command
For our paper we used the following strace options:
strace -e trace=file,process,dup,dup2,close,pipe,pipe2,fcntl -q -f -s 512
The -e option might be useful to reduce the amount of data that is stored. We actually stored quite a bit of data (512 bytes) per trace call. I don't clearly remember if that was too much or not, but since the paths in the Nix store can be quite long I think that's why ;-)
Which python version is the tool best compatible with?
Hi,
I'm testing the tool on Ubuntu 18.
With python 3.6 I had the following issue from ./configure --dev:
ModuleNotFoundError: No module named 'importlib.resources'
I updated to 3.10 and ./configure --dev worked well.
Then I tried to pip3 install apt_pkg as tracecode -h was failing with ModuleNotFoundError: No module named 'apt_pkg' and got the following:
AttributeError: module 'collections' has no attribute 'MutableMapping'
which is a result of updating collections.MutableMapping to collections.abc.MutableMapping in 3.10.
Then I downgraded to 3.9 and couldn't run again ./configure --dev, as for
ModuleNotFoundError: No module named 'pip'
which I'm not sure how to fix in tracecode's setup.
pip3 install apt_pkg failed for all 3.9, 3.8 and 3.7 with:
Could not find a version that satisfies the requirement apt_pkg (from versions: )
No matching distribution found for apt_pkg
How can I clean up the whole installation and start from scratch and which python version should I use?
Thanks :)
Failed to process trace
$ $(which strace) -ff -y -ttt -qq -a1 -o /tmp/outputs/ls- ls -lah /tmp/
...<ls output>...
$ ls /tmp/outputs
ls-.1301978
$ tracecode parse /tmp/outputs /tmp/parsed_outputs
INFO:tracecode:Processing traces with cwd: None, input_dir: '/tmp/outputs', output_dir: '/tmp/parsed_outputs'.
INFO:tracecode:validate_traces: Found 1 traces with root pid: 1301978.
INFO:tracecode:validate_traces: Oldest pid: 1301978.
INFO:tracecode:validate_traces: Smallest pid: 1301978.
INFO:tracecode:Queuing trace of pid 1301978 for parsing. Left to do: 0
INFO:tracecode:All 1 traces queued for parsing in 0.26 seconds.
INFO:tracecode:Filtering and saving cleaned traces to '/tmp/parsed_outputs'.
INFO:tracecode:Applied filters to 1 traces in 0.00 seconds.
INFO:tracecode:Filtered 0 empty traces from '/tmp/parsed_outputs' with 1 cycles in 0.00 seconds.
INFO:tracecode:Processing completed in 0.60 seconds. All 1 traces parsed and saved to: "/tmp/parsed_outputs".
INFO:tracecode:Completed in 0.60 seconds.
$ ls /tmp/parsed_outputs
1301978.pickle
$ ls /tmp/a
$ ls /tmp/b
$ tracecode list /tmp/parsed_outputs /tmp/a/reads /tmp/b/writes
INFO:tracecode:Loading traces ...
INFO:tracecode:Building file lists ...
INFO:tracecode:Saving file lists ...
Traceback (most recent call last):
File "tracecode/tracecode-toolkit-strace/venv/bin/tracecode", line 8, in <module>
sys.exit(cli())
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2606, in cli
main(arguments)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2547, in main
save_file_lists(input_dir, reads_file, writes_file, debug=debug)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2255, in save_file_lists
save_sorted(reads_file, all_reads)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2317, in save_sorted
with open(file_out) as fo:
FileNotFoundError: [Errno 2] No such file or directory: '/tmp/a/reads'
$ tracecode list /tmp/parsed_outputs /tmp/a /tmp/b
INFO:tracecode:Loading traces ...
INFO:tracecode:Building file lists ...
INFO:tracecode:Saving file lists ...
Traceback (most recent call last):
File "tracecode/tracecode-toolkit-strace/venv/bin/tracecode", line 8, in <module>
sys.exit(cli())
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2606, in cli
main(arguments)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2547, in main
save_file_lists(input_dir, reads_file, writes_file, debug=debug)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2255, in save_file_lists
save_sorted(reads_file, all_reads)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2317, in save_sorted
with open(file_out) as fo:
IsADirectoryError: [Errno 21] Is a directory: '/tmp/a'
$ touch /tmp/a/reads
$ tracecode list /tmp/parsed_outputs /tmp/a /tmp/b
INFO:tracecode:Loading traces ...
INFO:tracecode:Building file lists ...
INFO:tracecode:Saving file lists ...
Traceback (most recent call last):
File "tracecode/tracecode-toolkit-strace/venv/bin/tracecode", line 8, in <module>
sys.exit(cli())
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2606, in cli
main(arguments)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2547, in main
save_file_lists(input_dir, reads_file, writes_file, debug=debug)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2255, in save_file_lists
save_sorted(reads_file, all_reads)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2317, in save_sorted
with open(file_out) as fo:
IsADirectoryError: [Errno 21] Is a directory: '/tmp/a'
$ tracecode list /tmp/parsed_outputs /tmp/a/reads /tmp/b
INFO:tracecode:Loading traces ...
INFO:tracecode:Building file lists ...
INFO:tracecode:Saving file lists ...
Traceback (most recent call last):
File "tracecode/tracecode-toolkit-strace/venv/bin/tracecode", line 8, in <module>
sys.exit(cli())
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2606, in cli
main(arguments)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2547, in main
save_file_lists(input_dir, reads_file, writes_file, debug=debug)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2255, in save_file_lists
save_sorted(reads_file, all_reads)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2318, in save_sorted
fo.write("\n".join(sorted(seq)))
io.UnsupportedOperation: not writable
$ tracecode list /tmp/parsed_outputs /tmp/a/reads /tmp/b
$ touch /tmp/a/writes
$ tracecode list /tmp/parsed_outputs /tmp/a/reads /tmp/b/writes
INFO:tracecode:Loading traces ...
INFO:tracecode:Building file lists ...
INFO:tracecode:Saving file lists ...
Traceback (most recent call last):
File "tracecode/tracecode-toolkit-strace/venv/bin/tracecode", line 8, in <module>
sys.exit(cli())
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2606, in cli
main(arguments)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2547, in main
save_file_lists(input_dir, reads_file, writes_file, debug=debug)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2255, in save_file_lists
save_sorted(reads_file, all_reads)
File "tracecode/tracecode-toolkit-strace/src/tracecode/tracecode.py", line 2318, in save_sorted
fo.write("\n".join(sorted(seq)))
io.UnsupportedOperation: not writable
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