diff options
Diffstat (limited to 'src/pmdas/linux_proc/proc_pid.h')
| -rw-r--r-- | src/pmdas/linux_proc/proc_pid.h | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/src/pmdas/linux_proc/proc_pid.h b/src/pmdas/linux_proc/proc_pid.h new file mode 100644 index 0000000..8835157 --- /dev/null +++ b/src/pmdas/linux_proc/proc_pid.h @@ -0,0 +1,289 @@ +/* + * Linux /proc/<pid>/... Clusters + * + * Copyright (c) 2013 Red Hat. + * Copyright (c) 2000,2004 Silicon Graphics, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#ifndef _PROC_PID_H +#define _PROC_PID_H + +/* + * /proc/<pid>/stat metrics + */ +#define PROC_PID_STAT_PID 0 +#define PROC_PID_STAT_CMD 1 +#define PROC_PID_STAT_STATE 2 +#define PROC_PID_STAT_PPID 3 +#define PROC_PID_STAT_PGRP 4 +#define PROC_PID_STAT_SESSION 5 +#define PROC_PID_STAT_TTY 6 +#define PROC_PID_STAT_TTY_PGRP 7 +#define PROC_PID_STAT_FLAGS 8 +#define PROC_PID_STAT_MINFLT 9 +#define PROC_PID_STAT_CMIN_FLT 10 +#define PROC_PID_STAT_MAJ_FLT 11 +#define PROC_PID_STAT_CMAJ_FLT 12 +#define PROC_PID_STAT_UTIME 13 +#define PROC_PID_STAT_STIME 14 +#define PROC_PID_STAT_CUTIME 15 +#define PROC_PID_STAT_CSTIME 16 +#define PROC_PID_STAT_PRIORITY 17 +#define PROC_PID_STAT_NICE 18 +#define PROC_PID_STAT_REMOVED 19 +#define PROC_PID_STAT_IT_REAL_VALUE 20 +#define PROC_PID_STAT_START_TIME 21 +#define PROC_PID_STAT_VSIZE 22 +#define PROC_PID_STAT_RSS 23 +#define PROC_PID_STAT_RSS_RLIM 24 +#define PROC_PID_STAT_START_CODE 25 +#define PROC_PID_STAT_END_CODE 26 +#define PROC_PID_STAT_START_STACK 27 +#define PROC_PID_STAT_ESP 28 +#define PROC_PID_STAT_EIP 29 +#define PROC_PID_STAT_SIGNAL 30 +#define PROC_PID_STAT_BLOCKED 31 +#define PROC_PID_STAT_SIGIGNORE 32 +#define PROC_PID_STAT_SIGCATCH 33 +#define PROC_PID_STAT_WCHAN 34 +#define PROC_PID_STAT_NSWAP 35 +#define PROC_PID_STAT_CNSWAP 36 +#define PROC_PID_STAT_EXIT_SIGNAL 37 +#define PROC_PID_STAT_PROCESSOR 38 +#define PROC_PID_STAT_TTYNAME 39 +#define PROC_PID_STAT_WCHAN_SYMBOL 40 +#define PROC_PID_STAT_PSARGS 41 + +/* number of fields in proc_pid_stat_entry_t */ +#define NR_PROC_PID_STAT 42 + +/* + * metrics in /proc/<pid>/status + * Added by Mike Mason <mmlnx@us.ibm.com> + */ +#define PROC_PID_STATUS_UID 0 +#define PROC_PID_STATUS_EUID 1 +#define PROC_PID_STATUS_SUID 2 +#define PROC_PID_STATUS_FSUID 3 +#define PROC_PID_STATUS_GID 4 +#define PROC_PID_STATUS_EGID 5 +#define PROC_PID_STATUS_SGID 6 +#define PROC_PID_STATUS_FSGID 7 +#define PROC_PID_STATUS_UID_NM 8 +#define PROC_PID_STATUS_EUID_NM 9 +#define PROC_PID_STATUS_SUID_NM 10 +#define PROC_PID_STATUS_FSUID_NM 11 +#define PROC_PID_STATUS_GID_NM 12 +#define PROC_PID_STATUS_EGID_NM 13 +#define PROC_PID_STATUS_SGID_NM 14 +#define PROC_PID_STATUS_FSGID_NM 15 +#define PROC_PID_STATUS_SIGNAL 16 +#define PROC_PID_STATUS_BLOCKED 17 +#define PROC_PID_STATUS_SIGIGNORE 18 +#define PROC_PID_STATUS_SIGCATCH 19 +#define PROC_PID_STATUS_VMSIZE 20 +#define PROC_PID_STATUS_VMLOCK 21 +#define PROC_PID_STATUS_VMRSS 22 +#define PROC_PID_STATUS_VMDATA 23 +#define PROC_PID_STATUS_VMSTACK 24 +#define PROC_PID_STATUS_VMEXE 25 +#define PROC_PID_STATUS_VMLIB 26 +#define PROC_PID_STATUS_VMSWAP 27 +#define PROC_PID_STATUS_THREADS 28 + +/* number of metrics from /proc/<pid>/status */ +#define NR_PROC_PID_STATUS 27 + +/* + * metrics in /proc/<pid>/statm & /proc/<pid>/maps + */ +#define PROC_PID_STATM_SIZE 0 +#define PROC_PID_STATM_RSS 1 +#define PROC_PID_STATM_SHARE 2 +#define PROC_PID_STATM_TEXTRS 3 +#define PROC_PID_STATM_LIBRS 4 +#define PROC_PID_STATM_DATRS 5 +#define PROC_PID_STATM_DIRTY 6 +#define PROC_PID_STATM_MAPS 7 + +/* number of fields in proc_pid_statm_entry_t */ +#define NR_PROC_PID_STATM 8 + +/* + * metrics in /proc/<pid>/schedstat + */ +#define PROC_PID_SCHED_CPUTIME 0 +#define PROC_PID_SCHED_RUNDELAY 1 +#define PROC_PID_SCHED_PCOUNT 2 +#define NR_PROC_PID_SCHED 3 + +/* + * metrics in /proc/<pid>/io + */ +#define PROC_PID_IO_RCHAR 0 +#define PROC_PID_IO_WCHAR 1 +#define PROC_PID_IO_SYSCR 2 +#define PROC_PID_IO_SYSCW 3 +#define PROC_PID_IO_READ_BYTES 4 +#define PROC_PID_IO_WRITE_BYTES 5 +#define PROC_PID_IO_CANCELLED_BYTES 6 + +/* + * metrics in /proc/<pid>/fd + */ +#define PROC_PID_FD_COUNT 0 + + +/* + * metrics in /proc/<pid>/cgroup + */ +#define PROC_PID_CGROUP 0 + +/* + * metrics in /proc/<pid>/attr/current + */ +#define PROC_PID_LABEL 0 + +typedef struct { /* /proc/<pid>/status */ + char *uid; + char *gid; + char *sigpnd; + char *sigblk; + char *sigign; + char *sigcgt; + char *vmsize; + char *vmlck; + char *vmrss; + char *vmdata; + char *vmstk; + char *vmexe; + char *vmlib; + char *vmswap; + char *threads; +} status_lines_t; + +typedef struct { /* /proc/<pid>/io */ + char *rchar; + char *wchar; + char *syscr; + char *syscw; + char *readb; + char *writeb; + char *cancel; +} io_lines_t; + +enum { + PROC_PID_FLAG_VALID = 1<<0, + PROC_PID_FLAG_STAT_FETCHED = 1<<1, + PROC_PID_FLAG_STATM_FETCHED = 1<<2, + PROC_PID_FLAG_MAPS_FETCHED = 1<<3, + PROC_PID_FLAG_STATUS_FETCHED = 1<<4, + PROC_PID_FLAG_SCHEDSTAT_FETCHED = 1<<5, + PROC_PID_FLAG_IO_FETCHED = 1<<6, + PROC_PID_FLAG_WCHAN_FETCHED = 1<<7, + PROC_PID_FLAG_FD_FETCHED = 1<<8, + PROC_PID_FLAG_CGROUP_FETCHED = 1<<9, + PROC_PID_FLAG_LABEL_FETCHED = 1<<10, +}; + +typedef struct { + int id; /* pid, hash key and internal instance id */ + int flags; /* combinations of PROC_PID_FLAG_* values */ + char *name; /* external instance name (<pid> cmdline) */ + + /* /proc/<pid>/stat cluster */ + int stat_buflen; + char *stat_buf; + + /* /proc/<pid>/statm and /proc/<pid>/maps cluster */ + int statm_buflen; + char *statm_buf; + int maps_buflen; + char *maps_buf; + + /* /proc/<pid>/status cluster */ + int status_buflen; + char *status_buf; + status_lines_t status_lines; + + /* /proc/<pid>/schedstat cluster */ + int schedstat_buflen; + char *schedstat_buf; + + /* /proc/<pid>/io cluster */ + int io_buflen; + char *io_buf; + io_lines_t io_lines; + + /* /proc/<pid>/wchan cluster */ + int wchan_buflen; + char *wchan_buf; + + /* /proc/<pid>/fd cluster */ + int fd_buflen; + uint32_t fd_count; + char *fd_buf; + + /* /proc/<pid>/cgroup cluster */ + int cgroup_id; + + /* /proc/<pid>/attr/current cluster */ + int label_id; +} proc_pid_entry_t; + +typedef struct { + __pmHashCtl pidhash; /* hash table for current pids */ + pmdaIndom *indom; /* instance domain table */ +} proc_pid_t; + +typedef struct { + int count; /* number of processes in the list */ + int size; /* size of the buffer (pids) allocated */ + int *pids; /* array of process identifiers */ + int threads; /* /proc/PID/{xxx,task/PID/xxx} flag */ +} proc_pid_list_t; + +/* refresh the proc indom, reset all "fetched" flags */ +extern int refresh_proc_pid(proc_pid_t *, int, const char *); + +/* fetch a proc/<pid>/stat entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_stat(int, proc_pid_t *); + +/* fetch a proc/<pid>/statm entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_statm(int, proc_pid_t *); + +/* fetch a proc/<pid>/status entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_status(int, proc_pid_t *); + +/* fetch a proc/<pid>/maps entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_maps(int, proc_pid_t *); + +/* fetch a proc/<pid>/schedstat entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_schedstat(int, proc_pid_t *); + +/* fetch a proc/<pid>/io entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_io(int, proc_pid_t *); + +/* fetch a proc/<pid>/fd entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_fd(int, proc_pid_t *); + +/* fetch a proc/<pid>/cgroup entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_cgroup(int, proc_pid_t *); + +/* fetch a proc/<pid>/attr/current entry for pid */ +extern proc_pid_entry_t *fetch_proc_pid_label(int, proc_pid_t *); + +/* extract the ith space separated field from a buffer */ +extern char *_pm_getfield(char *, int); + +#endif /* _PROC_PID_H */ |