10-17-2001
because..
first of all..
thanks for your kindly reply..
I want to know about getting cpu percentage not use structure
because in SCO-UNIX, there is no cpu percentage ..but only
cpu time ( timestruc_t pr_utime; )
so.. I asked get that percantage without structure..
I can get get cpu percentage in HP-UX using pstat.h..
but.. How can I get cpu percentage in SCO-UNIX ??
/** SCO-UNIX , procfs.h **/
typedef struct pstatus {
....
pid_t pr_pid; /* Process id */
pid_t pr_ppid; /* Parent process id */
pid_t pr_pgid; /* Process group id */
pid_t pr_sid; /* Session id */
timestruc_t pr_utime; /* Process user cpu time */
timestruc_t pr_stime; /* Process system cpu time */
timestruc_t pr_cutime; /* Sum of children's user times */
timestruc_t pr_cstime; /* Sum of children's system times */
sigset_t pr_sigtrace; /* Mask of traced signals */
fltset_t pr_flttrace; /* Mask of traced faults */
sysset_t pr_sysentry; /* Mask of system calls traced on
} pstatus_t;
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LEARN ABOUT NETBSD
cpuset_zero
CPUSET(3) BSD Library Functions Manual CPUSET(3)
NAME
cpuset_create, cpuset_destroy, cpuset_zero, cpuset_set, cpuset_clr, cpuset_isset, cpuset_size -- dynamic CPU sets
SYNOPSIS
#include <sched.h>
cpuset_t *
cpuset_create(void);
void
cpuset_destroy(cpuset_t *set);
void
cpuset_zero(cpuset_t *set);
int
cpuset_set(cpuid_t cpu, cpuset_t *set);
int
cpuset_clr(cpuid_t cpu, cpuset_t *set);
int
cpuset_isset(cpuid_t cpu, const cpuset_t *set);
size_t
cpuset_size(const cpuset_t *set);
DESCRIPTION
This section describes the functions used to create, set, use and destroy the dynamic CPU sets.
This API can be used with the POSIX threads, see pthread(3) and affinity(3).
The ID of the primary CPU in the system is 0.
FUNCTIONS
cpuset_create()
Allocates and initializes a clean CPU-set. Returns the pointer to the CPU-set, or NULL on failure.
cpuset_destroy(set)
Destroy the CPU-set specified by set.
cpuset_zero(set)
Makes the CPU-set specified by set clean, that is, memory is initialized to zero bytes, and none of the CPUs set.
cpuset_set(cpu, set)
Sets the CPU specified by cpu in set. Returns zero on success, and -1 if cpu is invalid.
cpuset_clr(cpu, set)
Clears the CPU specified by cpu in the CPU-set set. Returns zero on success, and -1 if cpu is invalid.
cpuset_isset(cpu, set)
Checks if CPU specified by cpu is set in the CPU-set set. Returns the positive number if set, zero if not set, and -1 if cpu is
invalid.
cpuset_size(set)
Returns the size in bytes of CPU-set specified by set.
SEE ALSO
affinity(3), pset(3), sched(3), schedctl(8), kcpuset(9)
HISTORY
The dynamic CPU sets appeared in NetBSD 5.0.
BSD
November 2, 2011 BSD