sotruss

- trace shared library procedure calls

Synopsis

/usr/bin/sotruss [-f] [-F bindfromlist] [-T bindtolist] 
     [-o outputfile] executable [executable arguments...]

Description

sotruss executes the specified command and produces a trace of the library calls that it performs. Each line of the trace output reports what bindings are occurring between dynamic objects as each procedure call is executed. sotruss traces all of the procedure calls that occur between dynamic objects via the Procedure Linkage Table, so only those procedure calls which are bound via the Procedure Linkage Table will be traced. See Linker and Libraries Guide

Options

-F bindfromlist

A colon-separated list of libraries that are to be traced. Only calls from these libraries will be traced. The default is to trace calls from the main executable only.

-T bindtolist

A colon-separated list of libraries that are to be traced. Only calls to these libraries will be traced. The default is to trace all calls.

-o outputfile

sotruss output will be directed to the outputfile. If this option is combined with the -f option then the pid of the executing program will be placed at the end of the filename. By default sotruss output is placed on stderr.

-f

Follow all children created by fork() and print truss output on each child process. This option will also cause a pid to be output on each truss output line.

Examples

Example 1 An example of sotruss.

A simple example shows the tracing of a simple ls command:

% sotruss ls | more
ls       ->     libc.so.1:*atexit(0xef7d7d1c, 0x23c00, 0x0)
ls       ->     libc.so.1:*atexit(0x1392c, 0xef7d7d1c, 0xef621bb0)
ls       ->     libc.so.1:*setlocale(0x6, 0x1396c, 0xef621ba8)
ls       ->     libc.so.1:*textdomain(0x13970, 0x1396c, 0xef621ba8)
ls       ->     libc.so.1:*time(0x0, 0xef61f6fc, 0xef621ba8)
ls       ->     libc.so.1:*isatty(0x1, 0xef61f6fc, 0x0)
ls       ->     libc.so.1:*getopt(0x1, 0xeffff8fc, 0x13980)
ls       ->     libc.so.1:*malloc(0x100, 0x0, 0x0)
ls       ->     libc.so.1:*malloc(0x9000, 0x0, 0x0)
ls       ->     libc.so.1:*lstat64(0x23ee8, 0xeffff7a0, 0x0)
...
ls       ->     libc.so.1:*printf(0x13a64, 0x26208, 0x23ef0)
ls       ->     libc.so.1:*printf(0x13a64, 0x26448, 0x23ef0)
ls       ->     libc.so.1:*exit(0x0, 0x24220, 0x2421c)

Attributes

See attributes(5) for descriptions of the following attributes:

See Also

ld.so.1(1), truss(1), whocalls(1), fork(2), attributes(5)

Linker and Libraries Guide