GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages
PMC_START(3) FreeBSD Library Functions Manual PMC_START(3)

pmc_start, pmc_stop
start and stop a PMC

Performance Counters Library (libpmc, -lpmc)

#include <pmc.h>

int
pmc_start(pmc_id_t pmc);

int
pmc_stop(pmc_id_t pmc);

These functions are used to start and stop a PMC.

Function pmc_start() starts the PMC specified by argument pmc. If the specified PMC has process scope and has not been attached to any targets, it will be attached to the current process.

Function pmc_stop() stops the PMC specified by argument pmc.

Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

A call to these functions may fail with the following errors:
[]
Function pmc_start() specified a PMC that requires a log file and no log file was configured.
[]
The specified PMC is in the process of being deleted.
[]
Function pmc_stop() specified a PMC that was never started.
[]
The specified PMC had system scope and its associated CPU was disabled or absent.

pmc(3), hwpmc(4)
September 22, 2008 FreeBSD 13.1-RELEASE

Search for    or go to Top of page |  Section 3 |  Main Index

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with ManDoc.