08-08-2007
CPU usage and memory usage
Please tell me solaris functions/api for getting following information
1- Function that tells how much memory used by current process
2- Function that tells how much memory used by all running processes
3- Function that tells how much CPU is used by current process
4- Function that tells how much CPU is used by all running process.
Please tell me as soon as possible..
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LEARN ABOUT FREEBSD
pmc_set
PMC_SET(3) BSD Library Functions Manual PMC_SET(3)
NAME
pmc_set -- set the reload count of a sampling PMC
LIBRARY
Performance Counters Library (libpmc, -lpmc)
SYNOPSIS
#include <pmc.h>
int
pmc_set(pmc_id_t pmc, pmc_value_t value);
DESCRIPTION
Function pmc_set() is used to set the reload value of sampling PMCs. Argument pmc specified the handle a previously allocate sampling mode
PMC. Argument value specifies the reload count.
Sampling PMCs will interrupt the CPU after the number of hardware events specified by the reload count are seen. After the sampling inter-
rupt is processed the underlying hardware will be reloaded with the specified count and the hardware automatically restarted by hwpmc(4).
Function pmc_set() should be called on PMC in a quiescent state.
RETURN VALUES
The pmc_set() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate
the error.
ERRORS
A call to pmc_set() may fail with the following errors:
[EINVAL] The current process did not own a PMC with the specified handle.
[EBUSY] The specified PMC was already running.
SEE ALSO
pmc(3), hwpmc(4)
BSD
November 25, 2007 BSD