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oprofile - Online in the Cloud

Run oprofile in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command oprofile that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


oprofile - a statistical profiler for Linux systems, capable of profiling all running code
at low overhead; also included is a set of post-profiling analysis tools, as well as a
simple event counting tool

SYNOPSIS


operf [ options ]
ocount [ options ]
opreport [ options ] [ profile specification ]
opannotate [ options ] [ profile specification ]
oparchive [ options ] [ profile specification ]
opgprof [ options ] [ profile specification ]

DESCRIPTION


OProfile is a profiling system for systems running Linux 2.6.31 and greater. OProfile
makes use of the hardware performance counters provided on Intel, AMD, and other
processors. OProfile can profile a selected program or process or the whole system.
OProfile can also be used to collect cumulative event counts at the application, process,
or system level.
For a gentle guide to using OProfile, please read the HTML documentation listed in SEE
ALSO.

OPERF


operf is a performance profiler tool for Linux.

OCOUNT


ocount is an event counting tool for Linux.

OPREPORT


opreport gives image and symbol-based profile summaries for the whole system or a subset
of binary images.

OPANNOTATE


opannotate can produce annotated source or mixed source and assembly output.

OPARCHIVE


oparchive produces oprofile archive for offline analysis

OPGPROF


opgprof can produce a gprof-format profile for a single binary.

PROFILE SPECIFICATIONS


Various optional profile specifications may be used with the post-profiling tools. A
profile specification is some combination of the parameters listed below. ( Note:
Enclosing part of a profile specification in curly braces { } can be used for differential
profiles with opreport, but the braces must be surrounded by whitespace.)

archive:archive
Path to the archive to inspect, as generated by oparchive

session:sessionlist
A comma-separated list of session names to resolve in. Absence of this tag, unlike
all others, means "the current session", equivalent to specifying
"session:current".

session-exclude:sessionlist
A comma-separated list of sessions to exclude.

image:imagelist
A comma-separated list of image names to resolve. Each entry may be relative path,
glob-style name, or full path, e.g. opreport 'image:/usr/bin/operf,*op*,./oprofpp'

image-exclude:imagelist
Same as image:, but the matching images are excluded.

lib-image:imagelist
Same as image:, but only for images that are for a particular primary binary image
(namely, an application). This only makes sense to use if you're using --separate.
This includes kernel modules and the kernel when using --separate=kernel.

lib-image-exclude:imagelist
Same as <option>lib-image:</option>, but the matching images are excluded.

event:eventname
The symbolic event name to match on, e.g. event:DATA_MEM_REFS.

count:eventcount
The event count to match on, e.g. event:DATA_MEM_REFS count:30000.

unit-mask:maskvalue
The unit mask value of the event to match on, e.g. unit-mask:1.

cpu:cpulist
Only consider profiles for the given numbered CPU (starting from zero). This is
only useful when using CPU profile separation.

tgid:pidlist
Only consider profiles for the given task groups. Unless some program is using
threads, the task group ID of a process is the same as its process ID. This option
corresponds to the POSIX notion of a thread group. This is only useful when using
per-process profile separation.

tid:tidlist
Only consider profiles for the given threads. When using recent thread libraries,
all threads in a process share the same task group ID, but have different thread
IDs. You can use this option in combination with tgid: to restrict the results to
particular threads within a process. This is only useful when using per-process
profile separation.

ENVIRONMENT


No special environment variables are recognized by OProfile.

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