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Diffstat (limited to 'community')
| -rw-r--r-- | community/procfs.mdwn | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/community/procfs.mdwn b/community/procfs.mdwn index 4f4da722..d9d6caf8 100644 --- a/community/procfs.mdwn +++ b/community/procfs.mdwn @@ -146,6 +146,197 @@ Clone URL: [git://github.com/madhusudancs/procfs.git](git://github.com/madhusuda ------ + Post Mid-Term Road Map +---- + +Legend + +* - Has already been implemented. +** - I already know the where the information is exactly available. +*** - I know where the information is available roughly, but need to look in detail to extract the exact information. +**** - The information may be available, but needs to be searched to know where it will be. +***** - I fear information may not be available. +~~~~~ - Need not be implemented. +File +/proc/<PID>/stat + +* pid + +* comm + +* state + +* ppid + +* pgrp + +* session + +* tty_nr + +* tpgid + +** minflt +The number of minor faults the process has made which have not required loading a memory page +from disk. + +*** cminflt +The number of minor faults that the process’s waited-for children have made. + +** majflt +The number of major faults the process has made which have required loading a memory page from +disk. + +*** cmajflt +The number of major faults that the process’s waited-for children have made. + +** utime +The number of jiffies that this process has been scheduled in user mode. + +** stime +The number of jiffies that this process has been scheduled in kernel mode. + +** cutime +The number of jiffies that this process’s waited-for children have been scheduled in user +mode. + +** cstime +The number of jiffies that this process’s waited-for children have been scheduled in kernel mode. + +** priority +The standard nice value, plus fifteen. The value is never negative in the kernel. + +*** nice +The nice value ranges from 19 to -19. + +** num_threads +Number of threads in this process. + +*** starttime +The time in jiffies the process started after system boot. + +**** vsize +Virtual memory size in bytes. + +** rss +Resident Set Size: number of pages the process has in real memory, minus 3 for administrative +purposes. This is just the pages which count towards text, data, or stack space. This does not +include pages which have not been demand-loaded in, or which are swapped out. + +*** signal +The bitmap of pending signals. + +*** blocked +The bitmap of blocked signals. + +*** sigignore +The bitmap of ignored signals. + +*** sigcatch +The bitmap of caught signals. + +** policy +Scheduling policy (see sched_setscheduler(2)). +File +/proc/<PID>/statm + +** resident +resident set size + +*** size +total program size + +*** text +text (code) +Other Per-PID Files + +** /proc/<PID>/cwd + +** /proc/<PID>/exe + +** /proc/<PID>/environ +Non Per-PID Files + +** /proc/version +File +/proc/<PID>/stat + +**** rlim +Current limit in bytes on the rss of the process (usually 4294967295 on i386). + +**** startcode +The address above which program text can run. + +**** endcode +The address below which program text can run. + +**** startstack +The address of the start of the stack. + +**** kstkesp +The current value of esp (stack pointer), as found in the kernel stack page for the process. + +**** kstkeip +The current EIP (instruction pointer). + +**** exit_signal +Signal to be sent to parent when we die. +File +/proc/<PID>/statm + +**** share +shared pages + +**** data +data/stack +Other Per-PID File + +**** /proc/<PID>/root +Non Per-PID Files + +**** /proc/stat + +**** /proc/meminfo +File +/proc/<PID>/stat + +***** wchan +This is the "channel" in which the process is waiting. It is the address of a system call, and +can be looked up in a namelist if you need a textual name. (If you have an up-to-date +/etc/psdatabase, + +***** processor +CPU number last executed on. + +***** rt_priority +Real-time scheduling priority + +***** delayacct_blkio_ticks +Aggregated block I/O delays, measured in clock ticks (centiseconds). + +***** flags +PF_* fields defined in + +~~~~~ itrealvalue +The time in jiffies before the next SIGALRM is sent to the process due to an interval timer. + +~~~~~ nswap +Number of pages swapped (not maintained). + +~~~~~ cnswap +Cumulative nswap for child processes (not maintained). +File +/proc/<PID>/statm + +~~~~~ lib +library (not required) + +~~~~~ dt +dirty pages (not required) + + +------ + Code Updates ---- |