proc_pid_stat(5) File Formats Manual proc_pid_stat(5) /proc/pid/stat - /proc/pid/stat . ps(1). fs/proc/array.c. scanf(3) . ptrace PTRACE_MODE_READ_FSCREDS | PTRACE_MODE_NOAUDIT ( ptrace(2)). 0. [PT]. (1) pid %d . (2) comm %s . TASK_COMM_LEN (16) ( ) . . (3) state %c : R S D Z T ( ) ( 2.6.33) t ( 2.6.33 ) W ( 2.6.0) X ( 2.6.0 ) x ( 2.6.33 3.13 ) K ( 2.6.33 3.13 ) W ( 2.6.33 3.13 ) P ( 3.9 3.13 ) I ( 4.14 ) (4) ppid %d . (5) pgrp %d . (6) session %d . (7) tty_nr %d . ( 31 20 7 0 15 8.) (8) tpgid %d . (9) flags %u . PF_* include/linux/sched.h. . %lu 2.6. (10) minflt %lu . (11) cminflt %lu . (12) majflt %lu . (13) cmajflt %lu . (14) utime %lu ( sysconf(_SC_CLK_TCK)). guest_time ( ) . (15) stime %lu ( sysconf(_SC_CLK_TCK)). (16) cutime %ld ( sysconf(_SC_CLK_TCK)). ( times(2).) cguest_time ( ). (17) cstime %ld ( sysconf(_SC_CLK_TCK)). (18) priority %ld ( 2.6) (policy sched_setscheduler(2)) -2 -100 1 99. nice (setpriority(2)) . nice 0 () 39 () nice -20 19. 2.6 . (19) nice %ld nice ( setpriority(2)) 19 ( ) -20 ( ). (20) num_threads %ld ( 2.6). 2.6 0 . (21) itrealvalue %ld jiffies SIGALRM . 2.6.17 0. (22) starttime %llu . 2.6 jiffies. 2.6 ( sysconf(_SC_CLK_TCK)). %lu 2.6. (23) vsize %lu . (24) rss %ld : . . . /proc/pid/statm . (25) rsslim %lu rss RLIMIT_RSS getrlimit(2). (26) startcode %lu [PT] . (27) endcode %lu [PT] . (28) startstack%lu [PT] ( ) . (29) kstkesp %lu [PT] ESP ( ) . (30) kstkeip %lu [PT] EIP ( ). (31) signal %lu . /proc/pid/status . (32) blocked %lu . /proc/pid/status . (33) sigignore %lu . /proc/pid/status . (34) sigcatch %lu . /proc/pid/status . (35) wchan %lu [PT] "" . . /proc/pid/wchan. (36) nswap %lu ( ). (37) cnswap %lu nswap ( ). (38) exit_signal %d ( 2.1.22) . (39) processor %d ( 2.2.8) . (40) rt_priority %u ( 2.5.19) 1 99 0 ( sched_setscheduler(2)). (41) policy %u ( 2.5.19) ( sched_setscheduler(2)). SCHED_* linux/sched.h. %lu Linux 2.6.22. (42) delayacct_blkio_ticks %llu ( 2.6.18) / ( ). (43) guest_time %lu ( 2.6.24) ( ) ( sysconf(_SC_CLK_TCK)). (44) cguest_time %ld ( 2.6.24) ( sysconf(_SC_CLK_TCK)). (45) start_data %lu ( 3.3) [PT] (BSS). (46) end_data %lu ( 3.3) [PT] (BSS). (47) start_brk %lu ( 3.3) [PT] brk(2). (48) arg_start %lu ( 3.5) [PT] (argv). (49) arg_end %lu ( 3.5) [PT] (argv). (50) env_start %lu ( 3.5) [PT] . (51) env_end %lu ( 3.5) [PT] . (52) exit_code %d ( 3.5) [PT] waitpid(2). proc(5) proc_pid_status(5) 3 . . : . 6.18 8 2026 proc_pid_stat(5)