RTOS Linux에서 Process 우선순위

[bushi@rose mach-omap2]$ man -k priority
PRIO [tc-prio]       (8)  - Priority qdisc
getpriority          (2)  - get/set program scheduling priority
getpriority          (3p)  - get and set the nice value
glPrioritizeTextures (3gl)  - set texture residence priority
gnutls_certificate_type_set_priority (3)  - Sets the priority on the certificate types supported by gnutls
gnutls_cipher_set_priority (3)  - Sets the priority on the ciphers supported by gnutls
gnutls_compression_set_priority (3)  - Sets the priority on the compression algorithms supported by gnutls
gnutls_kx_set_priority (3)  - Sets the priority on the key exchange algorithms supported by gnutls
gnutls_mac_set_priority (3)  - Sets the priority on the mac algorithms supported by gnutls
gnutls_protocol_set_priority (3)  - Sets the priority on the protocol versions supported by gnutls
gnutls_set_default_export_priority (3)  - Sets some default priority on the cipher suites supported by gnutls
gnutls_set_default_priority (3)  - Sets some default priority on the cipher suites supported by gnutls
ionice               (1)  - get/set program io scheduling class and priority
ioprio_get [ioprio_set] (2)  - get/set I/O scheduling class and priority
ioprio_set           (2)  - get/set I/O scheduling class and priority
mpath_prio_alua      (8)  - Path priority tool based on Asymmetric LUn Access
nice                 (1)  - run a program with modified scheduling priority
nice                 (2)  - change process priority
pthread_mutex_getprioceiling (3p)  - get and set the priority ceiling of a mutex (REALTIME THREADS)
pthread_mutex_setprioceiling [pthread_mutex_getprioceiling] (3p)  - get and set the priority ceiling of a mutex (REALTIME THREADS)
renice               (1)  - alter priority of running processes
sched_get_priority_max (2)  - get static priority range
sched_get_priority_max (3p)  - get priority limits (REALTIME)
sched_get_priority_min [sched_get_priority_max] (2)  - get static priority range
sched_get_priority_min [sched_get_priority_max] (3p)  - get priority limits (REALTIME)
setlogmask           (3)  - set log priority mask
setpriority [getpriority] (2)  - get/set program scheduling priority
setpriority [getpriority] (3p)  - get and set the nice value
[bushi@rose mach-omap2]$

[bushi@rose mach-omap2]$ man -k sched
CPU_CLR [sched_setaffinity] (2)  - set and get a process's CPU affinity mask
CPU_ISSET [sched_setaffinity] (2)  - set and get a process's CPU affinity mask
CPU_SET [sched_setaffinity] (2)  - set and get a process's CPU affinity mask
CPU_ZERO [sched_setaffinity] (2)  - set and get a process's CPU affinity mask
DES_key_sched [des]  (3ssl)  - DES encryption
alarm                (3p)  - schedule an alarm signal
batch                (1p)  - schedule commands to be executed in a batch queue
cron                 (8)  - daemon to execute scheduled commands (ISC Cron V4.1)
crontab              (1p)  - schedule periodic background work
crontabs            (rpm) - Root crontab files used to schedule the execution of programs
getpriority          (2)  - get/set program scheduling priority
gpilot-install-file  (1)  - gnome-pilot file conduit scheduler
ionice               (1)  - get/set program io scheduling class and priority
ioprio_get [ioprio_set] (2)  - get/set I/O scheduling class and priority
ioprio_set           (2)  - get/set I/O scheduling class and priority
nice                 (1)  - run a program with modified scheduling priority
posix_spawnattr_getschedparam (3p)  - get and set the spawn-schedparam attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_getschedpolicy (3p)  - get and set the spawn-schedpolicy attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setschedparam [posix_spawnattr_getschedparam] (3p)  - get and set the spawn-schedparam attribute of a spawn attributes object (ADVANCED REALTIME)
posix_spawnattr_setschedpolicy [posix_spawnattr_getschedpolicy] (3p)  - get and set the spawn-schedpolicy attribute of a spawn attributes object (ADVANCED REALTIME)
pthread_attr_getinheritsched (3p)  - get and set the inheritsched attribute (REALTIME THREADS)
pthread_attr_getschedparam (3p)  - get and set the schedparam attribute
pthread_attr_getschedpolicy (3p)  - get and set the schedpolicy attribute (REALTIME THREADS)
pthread_attr_setinheritsched [pthread_attr_getinheritsched] (3p)  - get and set the inheritsched attribute (REALTIME THREADS)
pthread_attr_setschedparam [pthread_attr_getschedparam] (3p)  - get and set the schedparam attribute
pthread_attr_setschedpolicy [pthread_attr_getschedpolicy] (3p)  - get and set the schedpolicy attribute (REALTIME THREADS)
pthread_getschedparam (3p)  - dynamic thread scheduling parameters access (REALTIME THREADS)
pthread_setschedparam [pthread_getschedparam] (3p)  - dynamic thread scheduling parameters access (REALTIME THREADS)
pthread_setschedprio (3p)  - dynamic thread scheduling parameters access (REALTIME THREADS)
sched.h [sched]      (0p)  - execution scheduling (REALTIME)
sched_get_priority_max (2)  - get static priority range
sched_get_priority_max (3p)  - get priority limits (REALTIME)
sched_get_priority_min [sched_get_priority_max] (2)  - get static priority range
sched_get_priority_min [sched_get_priority_max] (3p)  - get priority limits (REALTIME)
sched_getaffinity [sched_setaffinity] (2)  - set and get a process's CPU affinity mask
sched_getparam       (3p)  - get scheduling parameters (REALTIME)
sched_getparam [sched_setparam] (2)  - set and get scheduling parameters
sched_getscheduler   (3p)  - get scheduling policy (REALTIME)
sched_getscheduler [sched_setscheduler] (2)  - set and get scheduling algorithm/parameters
sched_rr_get_interval (2)  - get the SCHED_RR interval for the named process
sched_rr_get_interval (3p)  - get execution time limits (REALTIME)
sched_setaffinity    (2)  - set and get a process's CPU affinity mask
sched_setparam       (2)  - set and get scheduling parameters
sched_setparam       (3p)  - set scheduling parameters (REALTIME)
sched_setscheduler   (2)  - set and get scheduling algorithm/parameters
sched_setscheduler   (3p)  - set scheduling policy and parameters (REALTIME)
sched_yield          (2)  - yield the processor
sched_yield          (3p)  - yield the processor
setpriority [getpriority] (2)  - get/set program scheduling priority
stapprobes.iosched [stapprobes] (5)  - systemtap IO scheduler probe points
sync                 (3p)  - schedule file system updates
ualarm               (3)  - schedule signal after given number of microseconds
[bushi@rose mach-omap2]$