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perfalloc - Online in the Cloud

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

This is the command perfalloc 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


perfalloc - notify pmdaperfevent(1) to disable hardware counter allocation.

SYNOPSIS


$PCP_PMDAS_DIR/perfevent/perfalloc [-D] [-d] [-f lockfile] [-h] [-v] [COMMAND]

DESCRIPTION


perfalloc is a command that notifies the pmdaperfevent(1) to disable hardware counter
event collection. This allow unpriviledged processes to use the hardware counters.

If the reservation request fails, then perfalloc exits immediately with exit code
EXIT_FAILURE. If successful, the perfalloc will run until a kill signal is received. The
reservation request persists while perfalloc is running.

If a commandline is given, this is executed as a subprocess of the agent. When the command
dies, so does the agent.

A brief description of the command line options follows:

-D run in the foreground (the default)

-d run in the background

-f FILE
use FILE as the lock file (default $PCP_PMDAS_DIR/perfevent/perflock)

-h display a help message and exit

-v output version number and exit

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