diff options
Diffstat (limited to 'vendor/github.com/power-devops/perfstat/c_helpers.c')
| -rw-r--r-- | vendor/github.com/power-devops/perfstat/c_helpers.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/vendor/github.com/power-devops/perfstat/c_helpers.c b/vendor/github.com/power-devops/perfstat/c_helpers.c new file mode 100644 index 0000000..49ba1ad --- /dev/null +++ b/vendor/github.com/power-devops/perfstat/c_helpers.c @@ -0,0 +1,159 @@ +#include "c_helpers.h" + +GETFUNC(cpu) +GETFUNC(disk) +GETFUNC(diskadapter) +GETFUNC(diskpath) +GETFUNC(fcstat) +GETFUNC(logicalvolume) +GETFUNC(memory_page) +GETFUNC(netadapter) +GETFUNC(netbuffer) +GETFUNC(netinterface) +GETFUNC(pagingspace) +GETFUNC(process) +GETFUNC(thread) +GETFUNC(volumegroup) + +double get_partition_mhz(perfstat_partition_config_t pinfo) { + return pinfo.processorMHz; +} + +char *get_ps_hostname(perfstat_pagingspace_t *ps) { + return ps->u.nfs_paging.hostname; +} + +char *get_ps_filename(perfstat_pagingspace_t *ps) { + return ps->u.nfs_paging.filename; +} + +char *get_ps_vgname(perfstat_pagingspace_t *ps) { + return ps->u.lv_paging.vgname; +} + +time_t boottime() +{ + register struct utmpx *utmp; + + setutxent(); + while ( (utmp = getutxent()) != NULL ) { + if (utmp->ut_type == BOOT_TIME) { + return utmp->ut_tv.tv_sec; + } + } + endutxent(); + return -1; +} + +struct fsinfo *get_filesystem_stat(struct fsinfo *fs_all, int n) { + if (!fs_all) return NULL; + return &(fs_all[n]); +} + +int get_mounts(struct vmount **vmountpp) { + int size; + struct vmount *vm; + int nmounts; + + size = BUFSIZ; + + while (1) { + if ((vm = (struct vmount *)malloc((size_t)size)) == NULL) { + perror("malloc failed"); + exit(-1); + } + if ((nmounts = mntctl(MCTL_QUERY, size, (caddr_t)vm)) > 0) { + *vmountpp = vm; + return nmounts; + } else if (nmounts == 0) { + size = *(int *)vm; + free((void *)vm); + } else { + free((void *)vm); + return -1; + } + } +} + +void fill_fsinfo(struct statfs statbuf, struct fsinfo *fs) { + fsblkcnt_t freeblks, totblks, usedblks; + fsblkcnt_t tinodes, ninodes, ifree; + uint cfactor; + + if (statbuf.f_blocks == -1) { + fs->totalblks = 0; + fs->freeblks = 0; + fs->totalinodes = 0; + fs->freeinodes = 0; + return; + } + + cfactor = statbuf.f_bsize / 512; + fs->freeblks = statbuf.f_bavail * cfactor; + fs->totalblks = statbuf.f_blocks * cfactor; + + fs->freeinodes = statbuf.f_ffree; + fs->totalinodes = statbuf.f_files; + + if (fs->freeblks < 0) + fs->freeblks = 0; +} + +int getfsinfo(char *fsname, char *devname, char *host, char *options, int flags, int fstype, struct fsinfo *fs) { + struct statfs statbuf; + int devname_size = strlen(devname); + int fsname_size = strlen(fsname); + char buf[BUFSIZ]; + char *p; + + if (fs == NULL) { + return 1; + } + + for (p = strtok(options, ","); p != NULL; p = strtok(NULL, ",")) + if (strcmp(p, "ignore") == 0) + return 0; + + if (*host != 0 && strcmp(host, "-") != 0) { + sprintf(buf, "%s:%s", host, devname); + devname = buf; + } + fs->devname = (char *)calloc(devname_size+1, 1); + fs->fsname = (char *)calloc(fsname_size+1, 1); + strncpy(fs->devname, devname, devname_size); + strncpy(fs->fsname, fsname, fsname_size); + fs->flags = flags; + fs->fstype = fstype; + + if (statfs(fsname,&statbuf) < 0) { + return 1; + } + + fill_fsinfo(statbuf, fs); + return 0; +} + +struct fsinfo *get_all_fs(int *rc) { + struct vmount *mnt; + struct fsinfo *fs_all; + int nmounts; + + *rc = -1; + if ((nmounts = get_mounts(&mnt)) <= 0) { + perror("Can't get mount table info"); + return NULL; + } + + fs_all = (struct fsinfo *)calloc(sizeof(struct fsinfo), nmounts); + while ((*rc)++, nmounts--) { + getfsinfo(vmt2dataptr(mnt, VMT_STUB), + vmt2dataptr(mnt, VMT_OBJECT), + vmt2dataptr(mnt, VMT_HOST), + vmt2dataptr(mnt, VMT_ARGS), + mnt->vmt_flags, + mnt->vmt_gfstype, + &fs_all[*rc]); + mnt = (struct vmount *)((char *)mnt + mnt->vmt_length); + } + return fs_all; +} |