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I know the -s option should display longer arguments, but it doesn't work always (probably because of those curly brackets meaning array or nested arguments?).
Even after running strace -s1000 my_command this argument is still truncated:
ioctl(3, SNDCTL_TMR_TEMPO or TCGETA, {B9600 -opost -isig -icanon -echo ...}) = 0
How can I see the complete arguments?
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With the flag -c, strace displays a summary of the command run instead of each syscall and signals. As we can see from the output, the summary groups the result by syscall.
strace is a powerful command line tool for debugging and trouble shooting programs in Unix-like operating systems such as Linux. It captures and records all system calls made by a process and the signals received by the process.
8.2. To redirect this output to a file, use the -o command line option followed by the file name: $ scl enable devtoolset-8 'strace -o file_name program argument...'
To verbosely describe what Vladimir Kunschikov said - run the following commands:
git clone git://git.code.sf.net/p/strace/code strace-codecd strace-code./bootstrap./configuremakemake installThe modified version of strace should have been installed in /usr/local/bin/strace. Now, run the strace using a large value for the -s option. Example:
strace -s 65536 command_to_run_goes_here Sources:
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There is such option in the strace parameters - you should use -v command line switch. Furthermore, due to the opensource nature of this great utility, you can disable abbreviation totally by patching the defs.h header in the strace sources:
< #define abbrev(tcp) ((tcp)->qual_flg & QUAL_ABBREV) --- > #define abbrev(tcp) 0 I've patched that way strace-4.9 from my local gentoo /usr/portage/distfiles/ software sources storage. It doesn't require to download latest strace sources from sourceforge.
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