sg_process_stats *sg_get_process_stats(int *entries){ VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64, proc_state_init, proc_state_destroy); int proc_state_size = 0; sg_process_stats *proc_state_ptr; #ifdef HPUX struct pst_status pstat_procinfo[PROCESS_BATCH]; long procidx = 0; long long pagesize; int num, i; #endif #ifdef AIX struct procentry64 *procs = NULL; long long pagesize; int fetched = 0; pid_t index = 0; unsigned proc_idx; time_t utime, stime; int ncpus; struct timeval now_tval; double now_time; char cmndline[ARG_MAX]; char comm[ARG_MAX]; struct procentry64 curproc_for_getargs; #define PROCS_TO_FETCH 1000 #endif #ifdef ALLBSD int mib[4]; size_t size; struct kinfo_proc *kp_stats; int procs, i; char *proctitle; #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) kvm_t *kvmd; char **args, **argsp; int argslen = 0; #else long buflen; char *p, *proctitletmp; #endif #ifdef NETBSD2 int lwps; struct kinfo_lwp *kl_stats; #endif #endif #if defined(SOLARIS) || defined(LINUX) DIR *proc_dir; struct dirent *dir_entry; char filename[MAX_FILE_LENGTH]; FILE *f; #ifdef SOLARIS psinfo_t process_info; #endif #ifdef LINUX char s; /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */ char ps_name[4096]; char *ptr; VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL); unsigned long stime, utime, starttime; int x; int fn; int len; int rc; time_t uptime; long tickspersec; #endif #ifdef LINUX if ((f=fopen("/proc/uptime", "r")) == NULL) { sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime"); return NULL; } if((fscanf(f,"%lu %*d",&uptime)) != 1){ sg_set_error(SG_ERROR_PARSE, NULL); return NULL; } fclose(f); #endif if((proc_dir=opendir(PROC_LOCATION))==NULL){ sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION); return NULL; } while((dir_entry=readdir(proc_dir))!=NULL){ if(atoi(dir_entry->d_name) == 0) continue; #ifdef SOLARIS snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); #endif #ifdef LINUX snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name); #endif if((f=fopen(filename, "r"))==NULL){ /* Open failed.. Process since vanished, or the path was too long. * Ah well, move onwards to the next one */ continue; } #ifdef SOLARIS fread(&process_info, sizeof(psinfo_t), 1, f); fclose(f); #endif if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { return NULL; } proc_state_ptr = proc_state+proc_state_size; #ifdef SOLARIS proc_state_ptr->pid = process_info.pr_pid; proc_state_ptr->parent = process_info.pr_ppid; proc_state_ptr->pgid = process_info.pr_pgid; proc_state_ptr->uid = process_info.pr_uid; proc_state_ptr->euid = process_info.pr_euid; proc_state_ptr->gid = process_info.pr_gid; proc_state_ptr->egid = process_info.pr_egid; proc_state_ptr->proc_size = (process_info.pr_size) * 1024; proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024; proc_state_ptr->time_spent = process_info.pr_time.tv_sec; proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000; proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20; if (sg_update_string(&proc_state_ptr->process_name, process_info.pr_fname) < 0) { return NULL; } if (sg_update_string(&proc_state_ptr->proctitle, process_info.pr_psargs) < 0) { return NULL; } switch (process_info.pr_lwp.pr_state) { case 1: proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; break; case 2: case 5: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case 3: proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; break; case 4: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; } #endif #ifdef LINUX x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %lu %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &starttime, &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident)); /* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */ proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize(); switch (s) { case 'S': proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; break; case 'R': proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case 'Z': proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; break; case 'T': case 'D': proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; } /* pa_name[0] should = '(' */ ptr = strchr(&ps_name[1], ')'); if(ptr !=NULL) *ptr='\0'; if (sg_update_string(&proc_state_ptr->process_name, &ps_name[1]) < 0) { return NULL; } /* cpu */ proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime); tickspersec = sysconf (_SC_CLK_TCK); if (tickspersec < 0) { proc_state_ptr->time_spent = 0; } else { proc_state_ptr->time_spent = (utime + stime) / tickspersec; } fclose(f); /* uid / gid */ snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name); if ((f=fopen(filename, "r")) == NULL) { /* Open failed.. Process since vanished, or the path was too long. * Ah well, move onwards to the next one */ continue; } if((ptr=sg_f_read_line(f, "Uid:"))==NULL){ fclose(f); continue; } sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid)); if((ptr=sg_f_read_line(f, "Gid:"))==NULL){ fclose(f); continue; } sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid)); fclose(f); /* proctitle */ snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name); if((fn=open(filename, O_RDONLY)) == -1){ /* Open failed.. Process since vanished, or the path was too long. * Ah well, move onwards to the next one */ continue; } #define READ_BLOCK_SIZE 128 len = 0; do { if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) { return NULL; } rc = read(fn, psargs + len, READ_BLOCK_SIZE); if (rc > 0) { len += rc; } } while (rc == READ_BLOCK_SIZE); close(fn); if (rc == -1) { /* Read failed; move on. */ continue; } /* Turn \0s into spaces within the command line. */ ptr = psargs; for(x = 0; x < len; x++) { if (*ptr == '\0') *ptr = ' '; ptr++; } if (len == 0) { /* We want psargs to be NULL. */ if (VECTOR_RESIZE(psargs, 0) < 0) { return NULL; } } else { /* Not empty, so append a \0. */ if (VECTOR_RESIZE(psargs, len + 1) < 0) { return NULL; } psargs[len] = '\0'; } if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) { return NULL; } #endif proc_state_size++; } closedir(proc_dir); #endif #ifdef ALLBSD mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_ALL; if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL"); return NULL; } procs = size / sizeof(struct kinfo_proc); kp_stats = sg_malloc(size); if(kp_stats == NULL) { return NULL; } memset(kp_stats, 0, size); if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL"); free(kp_stats); return NULL; } #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) kvmd = sg_get_kvm2(); #endif for (i = 0; i < procs; i++) { const char *name; #ifdef FREEBSD5 if (kp_stats[i].ki_stat == 0) { #else if (kp_stats[i].kp_proc.p_stat == 0) { #endif /* FreeBSD 5 deliberately overallocates the array that * the sysctl returns, so we'll get a few junk * processes on the end that we have to ignore. (Search * for "overestimate by 5 procs" in * src/sys/kern/kern_proc.c for more details.) */ continue; } if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { return NULL; } proc_state_ptr = proc_state+proc_state_size; #ifdef FREEBSD5 name = kp_stats[i].ki_comm; #elif defined(DFBSD) name = kp_stats[i].kp_thread.td_comm; #else name = kp_stats[i].kp_proc.p_comm; #endif if (sg_update_string(&proc_state_ptr->process_name, name) < 0) { return NULL; } #if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD) #ifdef FREEBSD5 mib[2] = KERN_PROC_ARGS; mib[3] = kp_stats[i].ki_pid; #else mib[1] = KERN_PROC_ARGS; mib[2] = kp_stats[i].kp_proc.p_pid; mib[3] = KERN_PROC_ARGV; #endif free(proc_state_ptr->proctitle); proc_state_ptr->proctitle = NULL; /* Starting size - we'll double this straight away */ #define PROCTITLE_START_SIZE 64 buflen = PROCTITLE_START_SIZE; size = buflen; proctitle = NULL; do { if((long) size >= buflen) { buflen *= 2; size = buflen; proctitletmp = sg_realloc(proctitle, buflen); if(proctitletmp == NULL) { free(proctitle); proctitle = NULL; proc_state_ptr->proctitle = NULL; size = 0; break; } proctitle = proctitletmp; bzero(proctitle, buflen); } if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) { free(proctitle); proctitle = NULL; proc_state_ptr->proctitle = NULL; size = 0; break; } } while((long) size >= buflen); if(size > 0) { proc_state_ptr->proctitle = sg_malloc(size+1); if(proc_state_ptr->proctitle == NULL) { return NULL; } p = proctitle; #ifdef OPENBSD /* On OpenBSD, this value has the argv pointers (which * are terminated by a NULL) at the front, so we have * to skip over them to get to the strings. */ while (*(char ***)p != NULL) { p += sizeof(char **); } p += sizeof(char **); #endif proc_state_ptr->proctitle[0] = '\0'; do { sg_strlcat(proc_state_ptr->proctitle, p, size+1); sg_strlcat(proc_state_ptr->proctitle, " ", size+1); p += strlen(p) + 1; } while (p < proctitle + size); free(proctitle); proctitle = NULL; /* remove trailing space */ proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0'; } else { if(proctitle != NULL) { free(proctitle); proctitle = NULL; } proc_state_ptr->proctitle = NULL; } #else free(proc_state_ptr->proctitle); proc_state_ptr->proctitle = NULL; if(kvmd != NULL) { args = kvm_getargv(kvmd, &(kp_stats[i]), 0); if(args != NULL) { argsp = args; while(*argsp != NULL) { argslen += strlen(*argsp) + 1; argsp++; } proctitle = sg_malloc(argslen + 1); proctitle[0] = '\0'; if(proctitle == NULL) { return NULL; } while(*args != NULL) { sg_strlcat(proctitle, *args, argslen + 1); sg_strlcat(proctitle, " ", argslen + 1); args++; } /* remove trailing space */ proctitle[strlen(proctitle)-1] = '\0'; proc_state_ptr->proctitle = proctitle; } else { proc_state_ptr->proctitle = NULL; } } else { proc_state_ptr->proctitle = NULL; } #endif #ifdef FREEBSD5 proc_state_ptr->pid = kp_stats[i].ki_pid; proc_state_ptr->parent = kp_stats[i].ki_ppid; proc_state_ptr->pgid = kp_stats[i].ki_pgid; #else proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid; proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid; proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid; #endif #ifdef FREEBSD5 proc_state_ptr->uid = kp_stats[i].ki_ruid; proc_state_ptr->euid = kp_stats[i].ki_uid; proc_state_ptr->gid = kp_stats[i].ki_rgid; proc_state_ptr->egid = kp_stats[i].ki_svgid; #elif defined(DFBSD) proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid; proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid; proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid; proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid; #else proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid; proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid; proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid; proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid; #endif #ifdef FREEBSD5 proc_state_ptr->proc_size = kp_stats[i].ki_size; /* This is in pages */ proc_state_ptr->proc_resident = kp_stats[i].ki_rssize * getpagesize(); /* This is in microseconds */ proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000; proc_state_ptr->cpu_percent = ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0; proc_state_ptr->nice = kp_stats[i].ki_nice; #else proc_state_ptr->proc_size = kp_stats[i].kp_eproc.e_vm.vm_map.size; /* This is in pages */ proc_state_ptr->proc_resident = kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize(); #if defined(NETBSD) || defined(OPENBSD) proc_state_ptr->time_spent = kp_stats[i].kp_proc.p_rtime.tv_sec; #elif defined(DFBSD) proc_state_ptr->time_spent = ( kp_stats[i].kp_thread.td_uticks + kp_stats[i].kp_thread.td_sticks + kp_stats[i].kp_thread.td_iticks ) / 1000000; #else /* This is in microseconds */ proc_state_ptr->time_spent = kp_stats[i].kp_proc.p_runtime / 1000000; #endif proc_state_ptr->cpu_percent = ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0; proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice; #endif #ifdef NETBSD2 { size_t size; int mib[5]; mib[0] = CTL_KERN; mib[1] = KERN_LWP; mib[2] = kp_stats[i].kp_proc.p_pid; mib[3] = sizeof(struct kinfo_lwp); mib[4] = 0; if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0"); return NULL; } lwps = size / sizeof(struct kinfo_lwp); mib[4] = lwps; kl_stats = sg_malloc(size); if(kl_stats == NULL) { return NULL; } if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize"); return NULL; } } switch(kp_stats[i].kp_proc.p_stat) { case SIDL: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case SACTIVE: { int i; for(i = 0; i < lwps; i++) { switch(kl_stats[i].l_stat) { case LSONPROC: case LSRUN: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; goto end; case LSSLEEP: proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; goto end; case LSSTOP: case LSSUSPENDED: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; goto end; } proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; } end: ; } break; case SSTOP: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; case SZOMB: proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; break; default: proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; break; } free(kl_stats); #else #ifdef FREEBSD5 switch (kp_stats[i].ki_stat) { #else switch (kp_stats[i].kp_proc.p_stat) { #endif case SIDL: case SRUN: #ifdef SONPROC case SONPROC: /* NetBSD */ #endif proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case SSLEEP: #ifdef SWAIT case SWAIT: /* FreeBSD 5 */ #endif #ifdef SLOCK case SLOCK: /* FreeBSD 5 */ #endif proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; break; case SSTOP: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; case SZOMB: #ifdef SDEAD case SDEAD: /* OpenBSD & NetBSD */ #endif proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; break; default: proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; break; } #endif proc_state_size++; } free(kp_stats); #endif #ifdef HPUX if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) { sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE"); return NULL; } while (1) { num = pstat_getproc(pstat_procinfo, sizeof pstat_procinfo[0], PROCESS_BATCH, procidx); if (num == -1) { sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_getproc"); return NULL; } else if (num == 0) { break; } for (i = 0; i < num; i++) { struct pst_status *pi = &pstat_procinfo[i]; if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { return NULL; } proc_state_ptr = proc_state+proc_state_size; proc_state_ptr->pid = pi->pst_pid; proc_state_ptr->parent = pi->pst_ppid; proc_state_ptr->pgid = pi->pst_pgrp; proc_state_ptr->uid = pi->pst_uid; proc_state_ptr->euid = pi->pst_euid; proc_state_ptr->gid = pi->pst_gid; proc_state_ptr->egid = pi->pst_egid; proc_state_ptr->proc_size = (pi->pst_dsize + pi->pst_tsize + pi->pst_ssize) * pagesize; proc_state_ptr->proc_resident = pi->pst_rssize * pagesize; proc_state_ptr->time_spent = pi->pst_time; proc_state_ptr->cpu_percent = (pi->pst_pctcpu * 100.0) / 0x8000; proc_state_ptr->nice = pi->pst_nice; if (sg_update_string(&proc_state_ptr->process_name, pi->pst_ucomm) < 0) { return NULL; } if (sg_update_string(&proc_state_ptr->proctitle, pi->pst_cmd) < 0) { return NULL; } switch (pi->pst_stat) { case PS_SLEEP: proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; break; case PS_RUN: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case PS_STOP: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; case PS_ZOMBIE: proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; break; case PS_IDLE: case PS_OTHER: proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; break; } proc_state_size++; } procidx = pstat_procinfo[num - 1].pst_idx + 1; } #endif #ifdef AIX #define TVALU_TO_SEC(x) ((x).tv_sec + ((double)((x).tv_usec) / 1000000.0)) #define TVALN_TO_SEC(x) ((x).tv_sec + ((double)((x).tv_usec) / 1000000000.0)) ncpus = sysconf(_SC_NPROCESSORS_ONLN); if( -1 == ncpus ) { ncpus = 1; /* sysconf error - assume 1 */ } if ((pagesize = sysconf(_SC_PAGESIZE)) == -1) { sg_set_error_with_errno(SG_ERROR_SYSCONF, "_SC_PAGESIZE"); return NULL; } proc_idx = 0; procs = /* (struct procentry64 *) */ malloc(sizeof(*procs) * PROCS_TO_FETCH); if(NULL == procs) { sg_set_error_with_errno(SG_ERROR_MALLOC, "sg_get_process_stats"); return 0; } gettimeofday(&now_tval, 0); now_time = TVALU_TO_SEC(now_tval); /* keep on grabbing chunks of processes until getprocs returns a smaller block than we asked for */ do { int i; fetched = getprocs64(procs, sizeof(*procs), NULL, 0, &index, PROCS_TO_FETCH); if (VECTOR_RESIZE(proc_state, proc_state_size + fetched) < 0) { sg_set_error_with_errno(SG_ERROR_MALLOC, "sg_get_process_stats"); free(procs); return NULL; } for( i = 0; i < fetched; ++i ) { struct procentry64 *pi = procs+i; int zombie = 0; proc_state_ptr = proc_state + proc_idx; zombie = 0; /* set a descriptive name for the process state */ switch( pi->pi_state ) { case SSLEEP: proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; break; case SRUN: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case SZOMB: proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; zombie = 1; break; case SSTOP: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; case SACTIVE: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case SIDL: default: proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; break; } if( zombie ) { utime = pi->pi_utime; stime = pi->pi_stime; } else { utime = TVALN_TO_SEC(pi->pi_ru.ru_utime) + TVALN_TO_SEC(pi->pi_cru.ru_utime); stime = TVALN_TO_SEC(pi->pi_ru.ru_stime) + TVALN_TO_SEC(pi->pi_cru.ru_stime); } proc_state_ptr->pid = pi->pi_pid; proc_state_ptr->parent = pi->pi_ppid; proc_state_ptr->pgid = pi->pi_pgrp; proc_state_ptr->uid = pi->pi_cred.crx_ruid; proc_state_ptr->euid = pi->pi_cred.crx_uid; proc_state_ptr->gid = pi->pi_cred.crx_rgid; proc_state_ptr->egid = pi->pi_cred.crx_gid; proc_state_ptr->proc_size = pi->pi_size; proc_state_ptr->proc_resident = pi->pi_drss + pi->pi_trss; /* XXX might be wrong, see P::PT */ proc_state_ptr->time_spent = utime + stime; proc_state_ptr->cpu_percent = (((double)(utime + stime) * 100) / ( now_time - pi->pi_start )) / ncpus; proc_state_ptr->nice = pi->pi_nice; /* determine comm & cmndline */ if( (pi->pi_flags & SKPROC) == SKPROC ) { if( pi->pi_pid == 0 ) { snprintf(comm, ARG_MAX, "kproc (swapper)"); snprintf(cmndline, ARG_MAX, "kproc (swapper)"); } else { snprintf(comm, ARG_MAX, "kproc (%s)", pi->pi_comm); snprintf(cmndline, ARG_MAX, "kproc (%s)", pi->pi_comm); } } else { snprintf(comm, ARG_MAX, "%s", pi->pi_comm); curproc_for_getargs.pi_pid = pi->pi_pid; if( getargs(&curproc_for_getargs, sizeof(curproc_for_getargs), cmndline, ARG_MAX) < 0 ) { snprintf(cmndline, ARG_MAX, "%s", pi->pi_comm); } else { int done = 0; /* replace NUL characters in command line with spaces */ char *c = cmndline; while( ! done ) { if( *c == '\0' ) { if( *(c+1) == '\0' ) { done = 1; } else { *c++ = ' '; } } else { ++c; } } } } if (sg_update_string(&proc_state_ptr->process_name, comm) < 0) { free(procs); return NULL; } if (sg_update_string(&proc_state_ptr->proctitle, cmndline) < 0) { free(procs); return NULL; } proc_idx++; } } while( fetched >= PROCS_TO_FETCH ); proc_state_size = proc_idx; free(procs); #endif #ifdef CYGWIN sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); return NULL; #endif #ifdef WIN32 /* FIXME The data needed for this is probably do able with the * "performance registry". Although using this appears to be a black * art and closely guarded secret. * This is not directly used in ihost, so not considered a priority */ sg_set_error(SG_ERROR_UNSUPPORTED, "Win32"); return NULL; #endif *entries = proc_state_size; return proc_state; } sg_process_count *sg_get_process_count() { static sg_process_count process_stat; #ifndef WIN32 sg_process_stats *ps; int ps_size, x; #else DWORD aProcesses[1024]; DWORD cbNeeded; #endif process_stat.sleeping = 0; process_stat.running = 0; process_stat.zombie = 0; process_stat.stopped = 0; process_stat.total = 0; #ifndef WIN32 ps = sg_get_process_stats(&ps_size); if (ps == NULL) { return NULL; } for(x = 0; x < ps_size; x++) { switch (ps->state) { case SG_PROCESS_STATE_RUNNING: process_stat.running++; break; case SG_PROCESS_STATE_SLEEPING: process_stat.sleeping++; break; case SG_PROCESS_STATE_STOPPED: process_stat.stopped++; break; case SG_PROCESS_STATE_ZOMBIE: process_stat.zombie++; break; default: /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in * sg_process_count */ break; } ps++; } process_stat.total = ps_size; #else if (!EnumProcesses(aProcesses, sizeof(aProcesses), &cbNeeded)) return NULL; process_stat.total = cbNeeded / sizeof(DWORD); #endif return &process_stat; } int sg_process_compare_name(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; return strcmp(a->process_name, b->process_name); } int sg_process_compare_pid(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->pid < b->pid) { return -1; } else if (a->pid == b->pid) { return 0; } else { return 1; } } int sg_process_compare_uid(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->uid < b->uid) { return -1; } else if (a->uid == b->uid) { return 0; } else { return 1; } } int sg_process_compare_gid(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->gid < b->gid) { return -1; } else if (a->gid == b->gid) { return 0; } else { return 1; } } int sg_process_compare_size(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->proc_size < b->proc_size) { return -1; } else if (a->proc_size == b->proc_size) { return 0; } else { return 1; } } int sg_process_compare_res(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->proc_resident < b->proc_resident) { return -1; } else if (a->proc_resident == b->proc_resident) { return 0; } else { return 1; } } int sg_process_compare_cpu(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->cpu_percent < b->cpu_percent) { return -1; } else if (a->cpu_percent == b->cpu_percent) { return 0; } else { return 1; } } int sg_process_compare_time(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->time_spent < b->time_spent) { return -1; } else if (a->time_spent == b->time_spent) { return 0; } else { return 1; } }
sg_process_stats *sg_get_process_stats(int *entries){ VECTOR_DECLARE_STATIC(proc_state, sg_process_stats, 64, proc_state_init, proc_state_destroy); int proc_state_size = 0; sg_process_stats *proc_state_ptr; #ifdef ALLBSD int mib[4]; size_t size; struct kinfo_proc *kp_stats; int procs, i; char *proctitle; #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) kvm_t *kvmd; char **args, **argsp; int argslen = 0; #else long buflen; char *p, *proctitletmp; #endif #ifdef NETBSD2 int lwps; struct kinfo_lwp *kl_stats; #endif #endif #if defined(SOLARIS) || defined(LINUX) DIR *proc_dir; struct dirent *dir_entry; char filename[MAX_FILE_LENGTH]; FILE *f; #ifdef SOLARIS psinfo_t process_info; #endif #ifdef LINUX char s; /* If someone has a executable of 4k filename length, they deserve to get it truncated :) */ char ps_name[4096]; char *ptr; VECTOR_DECLARE_STATIC(psargs, char, 128, NULL, NULL); unsigned long stime, utime, starttime; int x; int fn; int len; int rc; time_t uptime; #endif #ifdef LINUX if ((f=fopen("/proc/uptime", "r")) == NULL) { sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/uptime"); return NULL; } if((fscanf(f,"%lu %*d",&uptime)) != 1){ sg_set_error(SG_ERROR_PARSE, NULL); return NULL; } fclose(f); #endif if((proc_dir=opendir(PROC_LOCATION))==NULL){ sg_set_error_with_errno(SG_ERROR_OPENDIR, PROC_LOCATION); return NULL; } while((dir_entry=readdir(proc_dir))!=NULL){ if(atoi(dir_entry->d_name) == 0) continue; #ifdef SOLARIS snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); #endif #ifdef LINUX snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/stat", dir_entry->d_name); #endif if((f=fopen(filename, "r"))==NULL){ /* Open failed.. Process since vanished, or the path was too long. * Ah well, move onwards to the next one */ continue; } #ifdef SOLARIS fread(&process_info, sizeof(psinfo_t), 1, f); fclose(f); #endif if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { return NULL; } proc_state_ptr = proc_state+proc_state_size; #ifdef SOLARIS proc_state_ptr->pid = process_info.pr_pid; proc_state_ptr->parent = process_info.pr_ppid; proc_state_ptr->pgid = process_info.pr_pgid; proc_state_ptr->uid = process_info.pr_uid; proc_state_ptr->euid = process_info.pr_euid; proc_state_ptr->gid = process_info.pr_gid; proc_state_ptr->egid = process_info.pr_egid; proc_state_ptr->proc_size = (process_info.pr_size) * 1024; proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024; proc_state_ptr->time_spent = process_info.pr_time.tv_sec; proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000; proc_state_ptr->nice = (int)process_info.pr_lwp.pr_nice - 20; if (sg_update_string(&proc_state_ptr->process_name, process_info.pr_fname) < 0) { return NULL; } if (sg_update_string(&proc_state_ptr->proctitle, process_info.pr_psargs) < 0) { return NULL; } if(process_info.pr_lwp.pr_state==1) proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; if(process_info.pr_lwp.pr_state==2) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; if(process_info.pr_lwp.pr_state==3) proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; if(process_info.pr_lwp.pr_state==4) proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; if(process_info.pr_lwp.pr_state==6) proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; #endif #ifdef LINUX x = fscanf(f, "%d %4096s %c %d %d %*d %*d %*d %*u %*u %*u %*u %*u %lu %lu %*d %*d %*d %d %*d %*d %lu %llu %llu %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*u %*d %*d\n", &(proc_state_ptr->pid), ps_name, &s, &(proc_state_ptr->parent), &(proc_state_ptr->pgid), &utime, &stime, &(proc_state_ptr->nice), &starttime, &(proc_state_ptr->proc_size), &(proc_state_ptr->proc_resident)); /* +3 becuase man page says "Resident Set Size: number of pages the process has in real memory, minus 3 for administrative purposes." */ proc_state_ptr->proc_resident = (proc_state_ptr->proc_resident + 3) * getpagesize(); if(s == 'S') proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; if(s == 'R') proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; if(s == 'Z') proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; if(s == 'T') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; if(s == 'D') proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; /* pa_name[0] should = '(' */ ptr = strchr(&ps_name[1], ')'); if(ptr !=NULL) *ptr='\0'; if (sg_update_string(&proc_state_ptr->process_name, &ps_name[1]) < 0) { return NULL; } /* cpu */ proc_state_ptr->cpu_percent = (100.0 * (utime + stime)) / ((uptime * 100.0) - starttime); fclose(f); /* uid / gid */ snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name); if ((f=fopen(filename, "r")) == NULL) { /* Open failed.. Process since vanished, or the path was too long. * Ah well, move onwards to the next one */ continue; } if((ptr=sg_f_read_line(f, "Uid:"))==NULL){ fclose(f); continue; } sscanf(ptr, "Uid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->uid), &(proc_state_ptr->euid)); if((ptr=sg_f_read_line(f, "Gid:"))==NULL){ fclose(f); continue; } sscanf(ptr, "Gid:\t%d\t%d\t%*d\t%*d\n", &(proc_state_ptr->gid), &(proc_state_ptr->egid)); fclose(f); /* proctitle */ snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/cmdline", dir_entry->d_name); if((fn=open(filename, O_RDONLY)) == -1){ /* Open failed.. Process since vanished, or the path was too long. * Ah well, move onwards to the next one */ continue; } #define READ_BLOCK_SIZE 128 len = 0; do { if (VECTOR_RESIZE(psargs, len + READ_BLOCK_SIZE) < 0) { return NULL; } rc = read(fn, psargs + len, READ_BLOCK_SIZE); if (rc > 0) { len += rc; } } while (rc == READ_BLOCK_SIZE); close(fn); if (rc == -1) { /* Read failed; move on. */ continue; } /* Turn \0s into spaces within the command line. */ ptr = psargs; for(x = 0; x < len; x++) { if (*ptr == '\0') *ptr = ' '; ptr++; } if (len == 0) { /* We want psargs to be NULL. */ if (VECTOR_RESIZE(psargs, 0) < 0) { return NULL; } } else { /* Not empty, so append a \0. */ if (VECTOR_RESIZE(psargs, len + 1) < 0) { return NULL; } psargs[len] = '\0'; } if (sg_update_string(&proc_state_ptr->proctitle, psargs) < 0) { return NULL; } #endif proc_state_size++; } closedir(proc_dir); #endif #ifdef ALLBSD mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_ALL; if(sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL"); return NULL; } procs = size / sizeof(struct kinfo_proc); kp_stats = sg_malloc(size); if(kp_stats == NULL) { return NULL; } memset(kp_stats, 0, size); if(sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_PROC.KERN_PROC_ALL"); free(kp_stats); return NULL; } #if (defined(FREEBSD) && !defined(FREEBSD5)) || defined(DFBSD) kvmd = sg_get_kvm2(); #endif for (i = 0; i < procs; i++) { const char *name; #ifdef FREEBSD5 if (kp_stats[i].ki_stat == 0) { #else if (kp_stats[i].kp_proc.p_stat == 0) { #endif /* FreeBSD 5 deliberately overallocates the array that * the sysctl returns, so we'll get a few junk * processes on the end that we have to ignore. (Search * for "overestimate by 5 procs" in * src/sys/kern/kern_proc.c for more details.) */ continue; } if (VECTOR_RESIZE(proc_state, proc_state_size + 1) < 0) { return NULL; } proc_state_ptr = proc_state+proc_state_size; #ifdef FREEBSD5 name = kp_stats[i].ki_comm; #elif defined(DFBSD) name = kp_stats[i].kp_thread.td_comm; #else name = kp_stats[i].kp_proc.p_comm; #endif if (sg_update_string(&proc_state_ptr->process_name, name) < 0) { return NULL; } #if defined(FREEBSD5) || defined(NETBSD) || defined(OPENBSD) #ifdef FREEBSD5 mib[2] = KERN_PROC_ARGS; mib[3] = kp_stats[i].ki_pid; #else mib[1] = KERN_PROC_ARGS; mib[2] = kp_stats[i].kp_proc.p_pid; mib[3] = KERN_PROC_ARGV; #endif free(proc_state_ptr->proctitle); proc_state_ptr->proctitle = NULL; /* Starting size - we'll double this straight away */ #define PROCTITLE_START_SIZE 64 buflen = PROCTITLE_START_SIZE; size = buflen; proctitle = NULL; do { if(size >= buflen) { buflen *= 2; size = buflen; proctitletmp = sg_realloc(proctitle, buflen); if(proctitletmp == NULL) { free(proctitle); proctitle = NULL; proc_state_ptr->proctitle = NULL; size = 0; break; } proctitle = proctitletmp; bzero(proctitle, buflen); } if(sysctl(mib, 4, proctitle, &size, NULL, 0) < 0) { free(proctitle); proctitle = NULL; proc_state_ptr->proctitle = NULL; size = 0; break; } } while(size >= buflen); if(size > 0) { proc_state_ptr->proctitle = sg_malloc(size+1); if(proc_state_ptr->proctitle == NULL) { return NULL; } p = proctitle; #ifdef OPENBSD /* On OpenBSD, this value has the argv pointers (which * are terminated by a NULL) at the front, so we have * to skip over them to get to the strings. */ while (*(char ***)p != NULL) { p += sizeof(char **); } p += sizeof(char **); #endif proc_state_ptr->proctitle[0] = '\0'; do { sg_strlcat(proc_state_ptr->proctitle, p, size+1); sg_strlcat(proc_state_ptr->proctitle, " ", size+1); p += strlen(p) + 1; } while (p < proctitle + size); free(proctitle); proctitle = NULL; /* remove trailing space */ proc_state_ptr->proctitle[strlen(proc_state_ptr->proctitle)-1] = '\0'; } else { if(proctitle != NULL) { free(proctitle); proctitle = NULL; } proc_state_ptr->proctitle = NULL; } #else free(proc_state_ptr->proctitle); proc_state_ptr->proctitle = NULL; if(kvmd != NULL) { args = kvm_getargv(kvmd, &(kp_stats[i]), 0); if(args != NULL) { argsp = args; while(*argsp != NULL) { argslen += strlen(*argsp) + 1; argsp++; } proctitle = sg_malloc(argslen + 1); proctitle[0] = '\0'; if(proctitle == NULL) { return NULL; } while(*args != NULL) { sg_strlcat(proctitle, *args, argslen + 1); sg_strlcat(proctitle, " ", argslen + 1); args++; } /* remove trailing space */ proctitle[strlen(proctitle)-1] = '\0'; proc_state_ptr->proctitle = proctitle; } else { proc_state_ptr->proctitle = NULL; } } else { proc_state_ptr->proctitle = NULL; } #endif #ifdef FREEBSD5 proc_state_ptr->pid = kp_stats[i].ki_pid; proc_state_ptr->parent = kp_stats[i].ki_ppid; proc_state_ptr->pgid = kp_stats[i].ki_pgid; #else proc_state_ptr->pid = kp_stats[i].kp_proc.p_pid; proc_state_ptr->parent = kp_stats[i].kp_eproc.e_ppid; proc_state_ptr->pgid = kp_stats[i].kp_eproc.e_pgid; #endif #ifdef FREEBSD5 proc_state_ptr->uid = kp_stats[i].ki_ruid; proc_state_ptr->euid = kp_stats[i].ki_uid; proc_state_ptr->gid = kp_stats[i].ki_rgid; proc_state_ptr->egid = kp_stats[i].ki_svgid; #elif defined(DFBSD) proc_state_ptr->uid = kp_stats[i].kp_eproc.e_ucred.cr_ruid; proc_state_ptr->euid = kp_stats[i].kp_eproc.e_ucred.cr_svuid; proc_state_ptr->gid = kp_stats[i].kp_eproc.e_ucred.cr_rgid; proc_state_ptr->egid = kp_stats[i].kp_eproc.e_ucred.cr_svgid; #else proc_state_ptr->uid = kp_stats[i].kp_eproc.e_pcred.p_ruid; proc_state_ptr->euid = kp_stats[i].kp_eproc.e_pcred.p_svuid; proc_state_ptr->gid = kp_stats[i].kp_eproc.e_pcred.p_rgid; proc_state_ptr->egid = kp_stats[i].kp_eproc.e_pcred.p_svgid; #endif #ifdef FREEBSD5 proc_state_ptr->proc_size = kp_stats[i].ki_size; /* This is in pages */ proc_state_ptr->proc_resident = kp_stats[i].ki_rssize * getpagesize(); /* This is in microseconds */ proc_state_ptr->time_spent = kp_stats[i].ki_runtime / 1000000; proc_state_ptr->cpu_percent = ((double)kp_stats[i].ki_pctcpu / FSCALE) * 100.0; proc_state_ptr->nice = kp_stats[i].ki_nice; #else proc_state_ptr->proc_size = kp_stats[i].kp_eproc.e_vm.vm_map.size; /* This is in pages */ proc_state_ptr->proc_resident = kp_stats[i].kp_eproc.e_vm.vm_rssize * getpagesize(); #if defined(NETBSD) || defined(OPENBSD) proc_state_ptr->time_spent = kp_stats[i].kp_proc.p_rtime.tv_sec; #elif defined(DFBSD) proc_state_ptr->time_spent = ( kp_stats[i].kp_thread.td_uticks + kp_stats[i].kp_thread.td_sticks + kp_stats[i].kp_thread.td_iticks ) / 1000000; #else /* This is in microseconds */ proc_state_ptr->time_spent = kp_stats[i].kp_proc.p_runtime / 1000000; #endif proc_state_ptr->cpu_percent = ((double)kp_stats[i].kp_proc.p_pctcpu / FSCALE) * 100.0; proc_state_ptr->nice = kp_stats[i].kp_proc.p_nice; #endif #ifdef NETBSD2 { size_t size; int mib[5]; mib[0] = CTL_KERN; mib[1] = KERN_LWP; mib[2] = kp_stats[i].kp_proc.p_pid; mib[3] = sizeof(struct kinfo_lwp); mib[4] = 0; if(sysctl(mib, 5, NULL, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.0"); return NULL; } lwps = size / sizeof(struct kinfo_lwp); mib[4] = lwps; kl_stats = sg_malloc(size); if(kl_stats == NULL) { return NULL; } if(sysctl(mib, 5, kl_stats, &size, NULL, 0) < 0) { sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_KERN.KERN_LWP.pid.structsize.buffersize"); return NULL; } } switch(kp_stats[i].kp_proc.p_stat) { case SIDL: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case SACTIVE: { int i; for(i = 0; i < lwps; i++) { switch(kl_stats[i].l_stat) { case LSONPROC: case LSRUN: proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; goto end; case LSSLEEP: proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; goto end; case LSSTOP: case LSSUSPENDED: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; goto end; } proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; } end: ; } break; case SSTOP: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; case SZOMB: proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; break; default: proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; break; } free(kl_stats); #else #ifdef FREEBSD5 switch (kp_stats[i].ki_stat) { #else switch (kp_stats[i].kp_proc.p_stat) { #endif case SIDL: case SRUN: #ifdef SONPROC case SONPROC: /* NetBSD */ #endif proc_state_ptr->state = SG_PROCESS_STATE_RUNNING; break; case SSLEEP: #ifdef SWAIT case SWAIT: /* FreeBSD 5 */ #endif #ifdef SLOCK case SLOCK: /* FreeBSD 5 */ #endif proc_state_ptr->state = SG_PROCESS_STATE_SLEEPING; break; case SSTOP: proc_state_ptr->state = SG_PROCESS_STATE_STOPPED; break; case SZOMB: #ifdef SDEAD case SDEAD: /* OpenBSD & NetBSD */ #endif proc_state_ptr->state = SG_PROCESS_STATE_ZOMBIE; break; default: proc_state_ptr->state = SG_PROCESS_STATE_UNKNOWN; break; } #endif proc_state_size++; } free(kp_stats); #endif #ifdef CYGWIN sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin"); return NULL; #endif *entries = proc_state_size; return proc_state; } sg_process_count *sg_get_process_count() { static sg_process_count process_stat; sg_process_stats *ps; int ps_size, x; process_stat.sleeping = 0; process_stat.running = 0; process_stat.zombie = 0; process_stat.stopped = 0; process_stat.total = 0; ps = sg_get_process_stats(&ps_size); if (ps == NULL) { return NULL; } for(x = 0; x < ps_size; x++) { switch (ps->state) { case SG_PROCESS_STATE_RUNNING: process_stat.running++; break; case SG_PROCESS_STATE_SLEEPING: process_stat.sleeping++; break; case SG_PROCESS_STATE_STOPPED: process_stat.stopped++; break; case SG_PROCESS_STATE_ZOMBIE: process_stat.zombie++; break; default: /* currently no mapping for SG_PROCESS_STATE_UNKNOWN in * sg_process_count */ break; } ps++; } process_stat.total = ps_size; return &process_stat; } int sg_process_compare_name(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; return strcmp(a->process_name, b->process_name); } int sg_process_compare_pid(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->pid < b->pid) { return -1; } else if (a->pid == b->pid) { return 0; } else { return 1; } } int sg_process_compare_uid(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->uid < b->uid) { return -1; } else if (a->uid == b->uid) { return 0; } else { return 1; } } int sg_process_compare_gid(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->gid < b->gid) { return -1; } else if (a->gid == b->gid) { return 0; } else { return 1; } } int sg_process_compare_size(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->proc_size < b->proc_size) { return -1; } else if (a->proc_size == b->proc_size) { return 0; } else { return 1; } } int sg_process_compare_res(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->proc_resident < b->proc_resident) { return -1; } else if (a->proc_resident == b->proc_resident) { return 0; } else { return 1; } } int sg_process_compare_cpu(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->cpu_percent < b->cpu_percent) { return -1; } else if (a->cpu_percent == b->cpu_percent) { return 0; } else { return 1; } } int sg_process_compare_time(const void *va, const void *vb) { const sg_process_stats *a = (sg_process_stats *)va; const sg_process_stats *b = (sg_process_stats *)vb; if (a->time_spent < b->time_spent) { return -1; } else if (a->time_spent == b->time_spent) { return 0; } else { return 1; } }