INTRODUCTION psinfo shows process information and statistics using the kernel /proc interface. This information includes: -Process state, environment, arguments and flags -CPU usage -Scheduling -I/O usage -Virtual memory status -Pagefaults -Capabilities -Signals psinfo is useful for providing a detailed view of the current state of an application when diagnosing issues or performance problems. INSTALLATION psinfo requires Linux kernel 2.6.0 or greater. Some features will not work in earlier versions and are marked by n/a in output. compile: make install: make install psinfo can be run as an ordinary user but certain features (environment, executable, current working directory and root directory) require root rights and are marked n/a in output otherwise. CONTACT Bug reports and patches can be sent by e-mail to Ward van Wanrooij <ward@ward.nu> DOWNLOAD Download psinfo release 0.12: psinfo-0.12.tar.gz. Browse psinfo release 0.12: web interface. psinfo - v0.12 - 20100704 EXAMPLE OUTPUT General Process id: 1162 Parent process id: 1 Process group: 1162 Session id: 1162 Threads: 1 (1162) State: S interruptable sleeping Sleeping average: 98 % TTY: (none) Start time: Mon Sep 15 14:39:01 2008 Process name: master Executable: /usr/libexec/postfix/master Root directory: / Working directory: /var/spool/postfix Arguments: 0 - /usr/libexec/postfix/master Environment: 0 - MAIL_CONFIG=/etc/postfix 1 - sample_directory=/usr/share/doc/postfix-2.3.3/samples 2 - setgid_group=postdrop 3 - sendmail_path=/usr/sbin/sendmail.postfix 4 - mailq_path=/usr/bin/mailq.postfix 5 - manpage_directory=/usr/share/man 6 - readme_directory=/usr/share/doc/postfix-2.3.3/README_FILES 7 - newaliases_path=/usr/bin/newaliases.postfix 8 - PATH=/bin:/usr/bin:/sbin:/usr/sbin 9 - PWD=/var/spool/postfix 10 - queue_directory=/var/spool/postfix 11 - LANG=C 12 - mail_owner=postfix 13 - daemon_directory=/usr/libexec/postfix 14 - SHLVL=1 15 - config_directory=/etc/postfix 16 - MAIL_LOGTAG=postfix 17 - html_directory=no 18 - command_directory=/usr/sbin 19 - OLDPWD=/etc/postfix 20 - _=/usr/libexec/postfix/master Flags: 0000000000400100 0000000000000100 - PF_SUPERPRIV 0000000000400000 - PF_RANDOMIZE CPU usage Nice: 0 Priority level: 15 Realtime priority: 0 Scheduling policy: default Linux time-sharing Runs: 546478 Seconds: user system guest total process 1.15 9.60 0.00 10.75 children 64.10 85.53 0.00 149.63 total 65.25 95.13 0.00 160.38 I/O File descriptor table size: 256 Time spent waiting for blocking I/O: 33.30 s Statistics: syscalls tput kB disk kB read 723503 7896 18792 written 73486 71 84 cancelled - - 0 Memory Out-of-memory killer score: 708 Out-of-memory killer adjustment: 0 VM size: 54060 kB (peak 54080 kB) VM locked size: 0 kB VM resident set size: 1108 kB (peak 2236 kB) VM data segment size: 480 kB VM stack segment size: 88 kB VM text segment size: 132 kB VM shared library size: 5968 kB VM page table entries size: 124 kB Pagefaults: minor major process 428666 738 children 27879291 11823 total 28307957 12561 Privilege Identity: real effective saved fs user 0 0 0 0 group 0 0 0 0 Cap inheritable: 0000000000000000 Cap permitted: 00000000fffffeff 0 - CAP_CHOWN 1 - CAP_DAC_OVERRIDE 2 - CAP_DAC_READ_SEARCH 3 - CAP_FOWNER 4 - CAP_FSETID 5 - CAP_KILL 6 - CAP_SETGID 7 - CAP_SETUID 9 - CAP_LINUX_IMMUTABLE 10 - CAP_NET_BIND_SERVICE 11 - CAP_NET_BROADCAST 12 - CAP_NET_ADMIN 13 - CAP_NET_RAW 14 - CAP_IPC_LOCK 15 - CAP_IPC_OWNER 16 - CAP_SYS_MODULE 17 - CAP_SYS_RAWIO 18 - CAP_SYS_CHROOT 19 - CAP_SYS_PTRACE 20 - CAP_SYS_PACCT 21 - CAP_SYS_ADMIN 22 - CAP_SYS_BOOT 23 - CAP_SYS_NICE 24 - CAP_SYS_RESOURCE 25 - CAP_SYS_TIME 26 - CAP_SYS_TTY_CONFIG 27 - CAP_MKNOD 28 - CAP_LEASE 29 - CAP_AUDIT_WRITE 30 - CAP_AUDIT_CONTROL 31 - CAP_FS_MASK Cap effective: 00000000fffffeff 0 - CAP_CHOWN 1 - CAP_DAC_OVERRIDE 2 - CAP_DAC_READ_SEARCH 3 - CAP_FOWNER 4 - CAP_FSETID 5 - CAP_KILL 6 - CAP_SETGID 7 - CAP_SETUID 9 - CAP_LINUX_IMMUTABLE 10 - CAP_NET_BIND_SERVICE 11 - CAP_NET_BROADCAST 12 - CAP_NET_ADMIN 13 - CAP_NET_RAW 14 - CAP_IPC_LOCK 15 - CAP_IPC_OWNER 16 - CAP_SYS_MODULE 17 - CAP_SYS_RAWIO 18 - CAP_SYS_CHROOT 19 - CAP_SYS_PTRACE 20 - CAP_SYS_PACCT 21 - CAP_SYS_ADMIN 22 - CAP_SYS_BOOT 23 - CAP_SYS_NICE 24 - CAP_SYS_RESOURCE 25 - CAP_SYS_TIME 26 - CAP_SYS_TTY_CONFIG 27 - CAP_MKNOD 28 - CAP_LEASE 29 - CAP_AUDIT_WRITE 30 - CAP_AUDIT_CONTROL 31 - CAP_FS_MASK Cap bounding set: fffffffffffffeff 0 - CAP_CHOWN 1 - CAP_DAC_OVERRIDE 2 - CAP_DAC_READ_SEARCH 3 - CAP_FOWNER 4 - CAP_FSETID 5 - CAP_KILL 6 - CAP_SETGID 7 - CAP_SETUID 9 - CAP_LINUX_IMMUTABLE 10 - CAP_NET_BIND_SERVICE 11 - CAP_NET_BROADCAST 12 - CAP_NET_ADMIN 13 - CAP_NET_RAW 14 - CAP_IPC_LOCK 15 - CAP_IPC_OWNER 16 - CAP_SYS_MODULE 17 - CAP_SYS_RAWIO 18 - CAP_SYS_CHROOT 19 - CAP_SYS_PTRACE 20 - CAP_SYS_PACCT 21 - CAP_SYS_ADMIN 22 - CAP_SYS_BOOT 23 - CAP_SYS_NICE 24 - CAP_SYS_RESOURCE 25 - CAP_SYS_TIME 26 - CAP_SYS_TTY_CONFIG 27 - CAP_MKNOD 28 - CAP_LEASE 29 - CAP_AUDIT_WRITE 30 - CAP_AUDIT_CONTROL 31 - CAP_FS_MASK Signals User signal queue: 0/1088 Pending private: 0000000000000000 Pending shared: 0000000000000000 Blocked: 0000000000000000 Ignored: 0000000000001000 13 - SIGPIPE Caught: 000000018001644f 1 - SIGHUP 2 - SIGINT 3 - SIGQUIT 4 - SIGILL 7 - SIGBUS 11 - SIGSEGV 14 - SIGALRM 15 - SIGTERM 17 - SIGCHLD