/** * Read all processes to initialize the information tree. * @param reference reference of ProcessTree * @return treesize>0 if succeeded otherwise =0. */ int initprocesstree_sysdep(ProcessTree_T **reference) { int i; int treesize; static kvm_t *kvm_handle; ProcessTree_T *pt; struct kinfo_proc *pinfo; if (!(kvm_handle = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, prog))) { LogError("system statistic error -- cannot initialize kvm interface\n"); return FALSE; } pinfo = kvm_getprocs(kvm_handle, KERN_PROC_ALL, 0, &treesize); if (!pinfo || (treesize < 1)) { LogError("system statistic error -- cannot get process tree\n"); kvm_close(kvm_handle); return FALSE; } pt = xcalloc(sizeof(ProcessTree_T), treesize); for (i = 0; i < treesize; i++) { int j, flags; char *procname = NULL; char **args; Buffer_T cmdline; memset(&cmdline, 0, sizeof(Buffer_T)); #if (__FreeBSD_version > 500000) pt[i].pid = pinfo[i].ki_pid; pt[i].ppid = pinfo[i].ki_ppid; pt[i].starttime = pinfo[i].ki_start.tv_sec; pt[i].cputime = (long)(pinfo[i].ki_runtime / 100000); pt[i].mem_kbyte = (unsigned long)(pinfo[i].ki_rssize * pagesize_kbyte); flags = pinfo[i].ki_stat; args = kvm_getargv(kvm_handle, &pinfo[i], 0); procname = pinfo[i].ki_comm; #else pt[i].pid = pinfo[i].kp_proc.p_pid; pt[i].ppid = pinfo[i].kp_eproc.e_ppid; pt[i].starttime = pinfo[i].kp_eproc.e_stats.p_start.tv_sec; pt[i].cputime = (long)(pinfo[i].kp_proc.p_runtime / 100000); pt[i].mem_kbyte = (unsigned long)(pinfo[i].kp_eproc.e_vm.vm_rssize * pagesize_kbyte); flags = pinfo[i].kp_proc.p_stat; args = kvm_getargv(kvm_handle, &pinfo[i], 0); procname = pinfo[i].kp_proc.p_comm; #endif if (flags == SZOMB) pt[i].status_flag |= PROCESS_ZOMBIE; pt[i].cpu_percent = 0; pt[i].time = get_float_time(); if (args) { for (j = 0; args[j]; j++) Util_stringbuffer(&cmdline, args[j + 1] ? "%s " : "%s", args[j]); pt[i].cmdline = cmdline.buf; } if (! pt[i].cmdline || ! *pt[i].cmdline) pt[i].cmdline = xstrdup(procname); } *reference = pt; kvm_close(kvm_handle); return treesize; }
/** * Read all processes to initialize the information tree. * @param reference reference of ProcessTree * @return treesize > 0 if succeeded otherwise = 0. */ int initprocesstree_sysdep(ProcessTree_T **reference) { int i; int treesize; char buf[_POSIX2_LINE_MAX]; size_t size = sizeof(maxslp); int mib_proc2[6] = {CTL_KERN, KERN_PROC2, KERN_PROC_KTHREAD, 0, sizeof(struct kinfo_proc2), 0}; static int mib_maxslp[] = {CTL_VM, VM_MAXSLP}; ProcessTree_T *pt; kvm_t *kvm_handle; static struct kinfo_proc2 *pinfo; if (sysctl(mib_maxslp, 2, &maxslp, &size, NULL, 0) < 0) { LogError("system statistic error -- vm.maxslp failed"); return FALSE; } if (sysctl(mib_proc2, 6, NULL, &size, NULL, 0) == -1) { LogError("system statistic error -- kern.proc2 #1 failed"); return FALSE; } size *= 2; // Add reserve for new processes which were created between calls of sysctl pinfo = xcalloc(1, size); mib_proc2[5] = (int)(size / sizeof(struct kinfo_proc2)); if (sysctl(mib_proc2, 6, pinfo, &size, NULL, 0) == -1) { FREE(pinfo); LogError("system statistic error -- kern.proc2 #2 failed"); return FALSE; } treesize = (int)(size / sizeof(struct kinfo_proc2)); pt = xcalloc(sizeof(ProcessTree_T), treesize); if (! (kvm_handle = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, buf))) { LogError("system statistic error -- kvm_openfiles failed: %s", buf); return FALSE; } for (i = 0; i < treesize; i++) { int j; char **args; Buffer_T cmdline; pt[i].pid = pinfo[i].p_pid; pt[i].ppid = pinfo[i].p_ppid; pt[i].starttime = pinfo[i].p_ustart_sec; pt[i].cputime = (long)((pinfo[i].p_rtime_sec * 10) + (pinfo[i].p_rtime_usec / 100000)); pt[i].cpu_percent = 0; pt[i].mem_kbyte = (unsigned long)(pinfo[i].p_vm_rssize * pagesize_kbyte); if (pinfo[i].p_stat == SZOMB) pt[i].status_flag |= PROCESS_ZOMBIE; //FIXME: save system service flag too (kernel threads) pt[i].time = get_float_time(); memset(&cmdline, 0, sizeof(Buffer_T)); if ((args = kvm_getargv2(kvm_handle, &pinfo[i], 0))) { for (j = 0; args[j]; j++) Util_stringbuffer(&cmdline, args[j + 1] ? "%s " : "%s", args[j]); pt[i].cmdline = cmdline.buf; } if (! pt[i].cmdline || ! *pt[i].cmdline) pt[i].cmdline = xstrdup(pinfo[i].p_comm); } FREE(pinfo); kvm_close(kvm_handle); *reference = pt; return treesize; }