strace64 - System call tracer for 64bit binaries

Property Value
Distribution Ubuntu 16.04 LTS (Xenial Xerus)
Repository Ubuntu Universe i386
Package name strace64
Package version 4.11
Package release 1ubuntu3
Package architecture i386
Package type deb
Installed size 894 B
Download size 165.39 KB
Official Mirror
strace is a system call tracer, i.e. a debugging tool which prints out
a trace of all the system calls made by a another process/program.
The program to be traced need not be recompiled for this, so you can
use it on binaries for which you don't have source.
This package contains the 64bit version of the binary, intended for
biarch systems with 32bit userland and 64bit kernel.
System calls and signals are events that happen at the user/kernel
interface. A close examination of this boundary is very useful for bug
isolation, sanity checking and attempting to capture race conditions.


Package Version Architecture Repository
strace64 - - -


Name Value
libc6-amd64 >= 2.15


Type URL
Binary Package strace64_4.11-1ubuntu3_i386.deb
Source Package strace

Install Howto

  1. Update the package index:
    # sudo apt-get update
  2. Install strace64 deb package:
    # sudo apt-get install strace64




2016-01-13 - Dimitri John Ledkov <>
strace (4.11-1ubuntu3) xenial; urgency=high
* Patch lseek test-suite to ignore libc generated lseek calls.
2016-01-12 - Dimitri John Ledkov <>
strace (4.11-1ubuntu2) xenial; urgency=high
* Merge from Debian unstable.  Remaining changes:
- Apply ptrace-error-verbosity.patch    
2015-01-08 - Steve McIntyre <>
strace (4.11-1) unstable; urgency=low
[ Dmitry V. Levin ]
* New upstream version.
+ fixed decoding of path argument of umount2 syscall, closes: #785050
+ Drop patches against old upstream - all upstream now.
+ Add simple upstream patch to fix printing of 32-bit times syscall
return value on 64-bit architectures.
2015-12-14 - Dimitri John Ledkov <>
strace (4.10-3ubuntu1) xenial; urgency=high
* Merge from Debian, remaining changes are:
- Apply ptrace-error-verbosity.patch
- Set architectures to linux-any
* New upstream release:
- Remaining patches dropped
- Autoreconf changes dropped
2015-07-08 - Steve McIntyre <>
strace (4.10-3) unstable; urgency=medium
* Really fix mips* builds - fix sys_syscall() handling.
Closes: #781753
* Clean up strace64.substvars at clean time
* Remove ancient changelog entries that annoy lintian
* Update Standards-Version to 3.9.6 (no changes needed)
2015-07-02 - Steve McIntyre <>
strace (4.10-2) unstable; urgency=medium
* Fix building on arm64 using patches from upstream. Closes: #790770
* Fix various test suite failures using patches from upstream.
Closes: #781040
* Fix mips o32 build. Thanks to Arturo Borrero Gonzalez
<> for tracking this.
* Add build-dependency on gawk for the test suite. Closes: #780992
2015-03-21 - Steve McIntyre <>
strace (4.10-1) unstable; urgency=low
[ Dmitry V. Levin ]
* New upstream version.
+ enhanced ioctl decoding,  closes: #692913
+ enabled mips64el build, closes: #773375
+ updated signal and errno numbers, closes: #768642
+ updated generic and added arch-specific PTRACE_* constants,
closes: #734554
2014-08-20 - Steve McIntyre <>
strace (4.9-2) unstable; urgency=medium
* Turn on support for ppc64el, code is already in upstream.
Closes: #744121.
2014-08-20 - Steve McIntyre <>
strace (4.9-1) unstable; urgency=medium
[ Dmitry V. Levin ]
* New upstream version.
+ added -w option to produce stats on syscall latency, closes: #457497
+ applied miscellaneous corrections to the manpage, closes: #725987
+ fixed a typo in package description, closes: #697625
+ enabled or1k build, closes: #742235
+ enabled maximum security hardening, thanks to Markus <>
[ Steve McIntyre ]
* New maintainer. Thanks to Frederik for all his prior work!
2014-07-10 - Steve McIntyre <>
strace (4.8-1.1) unstable; urgency=low
* Uploading 4.8 to unstable to fix long-standing bugs that have been
fixed for ages in experimental only.
* enable arm64 build, Closes: #749956
* enable x32 build, Closes: #727018
* lintian-inspired fixes:
+ add build-arch and build-indep targets in debian/rules
+ update standards-version to 3.9.5
+ remove ancient changelog entries causing syntax checker errors
+ add hardening using
+ trivial changes to Description: fields

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