/* htop - Process.c (C) 2004-2011 Hisham H. Muhammad Released under the GNU GPL, see the COPYING file in the source distribution for its full text. */ #include "Process.h" #include "ProcessList.h" #include "CRT.h" #include "String.h" #include "RichString.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_LIBHWLOC #include #endif // This works only with glibc 2.1+. On earlier versions // the behavior is similar to have a hardcoded page size. #ifndef PAGE_SIZE #define PAGE_SIZE ( sysconf(_SC_PAGESIZE) ) #endif #define PAGE_SIZE_KB ( PAGE_SIZE / ONE_K ) /*{ #include "Object.h" #include "Affinity.h" #include #ifndef Process_isKernelThread #define Process_isKernelThread(_process) (_process->pgrp == 0) #endif #ifndef Process_isUserlandThread #define Process_isUserlandThread(_process) (_process->pid != _process->tgid) #endif #ifndef Process_isThread #define Process_isThread(_process) (Process_isUserlandThread(_process) || Process_isKernelThread(_process)) #endif typedef enum ProcessField_ { PID = 1, COMM, STATE, PPID, PGRP, SESSION, TTY_NR, TPGID, FLAGS, MINFLT, CMINFLT, MAJFLT, CMAJFLT, UTIME, STIME, CUTIME, CSTIME, PRIORITY, NICE, ITREALVALUE, STARTTIME, VSIZE, RSS, RLIM, STARTCODE, ENDCODE, STARTSTACK, KSTKESP, KSTKEIP, SIGNAL, BLOCKED, SSIGIGNORE, SIGCATCH, WCHAN, NSWAP, CNSWAP, EXIT_SIGNAL, PROCESSOR, M_SIZE, M_RESIDENT, M_SHARE, M_TRS, M_DRS, M_LRS, M_DT, ST_UID, PERCENT_CPU, PERCENT_MEM, USER, TIME, NLWP, TGID, #ifdef HAVE_OPENVZ CTID, VPID, #endif #ifdef HAVE_VSERVER VXID, #endif #ifdef HAVE_TASKSTATS RCHAR, WCHAR, SYSCR, SYSCW, RBYTES, WBYTES, CNCLWB, IO_READ_RATE, IO_WRITE_RATE, IO_RATE, #endif #ifdef HAVE_CGROUP CGROUP, #endif LAST_PROCESSFIELD } ProcessField; struct ProcessList_; typedef struct Process_ { Object super; struct ProcessList_ *pl; bool updated; pid_t pid; char* comm; int indent; char state; bool tag; bool showChildren; bool show; pid_t ppid; unsigned int pgrp; unsigned int session; unsigned int tty_nr; pid_t tgid; int tpgid; unsigned long int flags; #ifdef DEBUG unsigned long int minflt; unsigned long int cminflt; unsigned long int majflt; unsigned long int cmajflt; #endif unsigned long long int utime; unsigned long long int stime; unsigned long long int cutime; unsigned long long int cstime; long int priority; long int nice; long int nlwp; char starttime_show[8]; time_t starttime_ctime; #ifdef DEBUG long int itrealvalue; unsigned long int vsize; long int rss; unsigned long int rlim; unsigned long int startcode; unsigned long int endcode; unsigned long int startstack; unsigned long int kstkesp; unsigned long int kstkeip; unsigned long int signal; unsigned long int blocked; unsigned long int sigignore; unsigned long int sigcatch; unsigned long int wchan; unsigned long int nswap; unsigned long int cnswap; #endif int exit_signal; int processor; int m_size; int m_resident; int m_share; int m_trs; int m_drs; int m_lrs; int m_dt; uid_t st_uid; float percent_cpu; float percent_mem; char* user; #ifdef HAVE_OPENVZ unsigned int ctid; unsigned int vpid; #endif #ifdef HAVE_VSERVER unsigned int vxid; #endif #ifdef HAVE_TASKSTATS unsigned long long io_rchar; unsigned long long io_wchar; unsigned long long io_syscr; unsigned long long io_syscw; unsigned long long io_read_bytes; unsigned long long io_write_bytes; unsigned long long io_cancelled_write_bytes; double io_rate_read_bps; unsigned long long io_rate_read_time; double io_rate_write_bps; unsigned long long io_rate_write_time; #endif #ifdef HAVE_CGROUP char* cgroup; #endif } Process; }*/ #ifdef DEBUG char* PROCESS_CLASS = "Process"; #else #define PROCESS_CLASS NULL #endif const char *Process_fieldNames[] = { "", "PID", "Command", "STATE", "PPID", "PGRP", "SESSION", "TTY_NR", "TPGID", "FLAGS", "MINFLT", "CMINFLT", "MAJFLT", "CMAJFLT", "UTIME", "STIME", "CUTIME", "CSTIME", "PRIORITY", "NICE", "ITREALVALUE", "STARTTIME", "VSIZE", "RSS", "RLIM", "STARTCODE", "ENDCODE", "STARTSTACK", "KSTKESP", "KSTKEIP", "SIGNAL", "BLOCKED", "SIGIGNORE", "SIGCATCH", "WCHAN", "NSWAP", "CNSWAP", "EXIT_SIGNAL", "PROCESSOR", "M_SIZE", "M_RESIDENT", "M_SHARE", "M_TRS", "M_DRS", "M_LRS", "M_DT", "ST_UID", "PERCENT_CPU", "PERCENT_MEM", "USER", "TIME", "NLWP", "TGID", #ifdef HAVE_OPENVZ "CTID", "VPID", #endif #ifdef HAVE_VSERVER "VXID", #endif #ifdef HAVE_TASKSTATS "RCHAR", "WCHAR", "SYSCR", "SYSCW", "RBYTES", "WBYTES", "CNCLWB", "IO_READ_RATE", "IO_WRITE_RATE", "IO_RATE", #endif #ifdef HAVE_CGROUP "CGROUP", #endif "*** report bug! ***" }; const char *Process_fieldTitles[] = { "", " PID ", "Command ", "S ", " PPID ", " PGRP ", " SESN ", " TTY ", " TPGID ", "- ", "- ", "- ", "- ", "- ", " UTIME+ ", " STIME+ ", " CUTIME+ ", " CSTIME+ ", "PRI ", " NI ", "- ", "START ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "- ", "CPU ", " VIRT ", " RES ", " SHR ", " CODE ", " DATA ", " LIB ", " DIRTY ", " UID ", "CPU% ", "MEM% ", "USER ", " TIME+ ", "NLWP ", " TGID ", #ifdef HAVE_OPENVZ " CTID ", " VPID ", #endif #ifdef HAVE_VSERVER " VXID ", #endif #ifdef HAVE_TASKSTATS " RD_CHAR ", " WR_CHAR ", " RD_SYSC ", " WR_SYSC ", " IO_RBYTES ", " IO_WBYTES ", " IO_CANCEL ", " IORR ", " IOWR ", " IO ", #endif #ifdef HAVE_CGROUP " CGROUP ", #endif "*** report bug! ***" }; static int Process_getuid = -1; static char* Process_pidFormat = "%7u "; static char* Process_tpgidFormat = "%7u "; void Process_getMaxPid() { FILE* file = fopen(PROCDIR "/sys/kernel/pid_max", "r"); if (!file) return; int maxPid = 4194303; fscanf(file, "%32d", &maxPid); fclose(file); if (maxPid > 99999) { Process_fieldTitles[PID] = " PID "; Process_fieldTitles[PPID] = " PPID "; Process_fieldTitles[TPGID] = " TPGID "; Process_fieldTitles[TGID] = " TGID "; Process_pidFormat = "%7u "; Process_tpgidFormat = "%7d "; } else { Process_fieldTitles[PID] = " PID "; Process_fieldTitles[PPID] = " PPID "; Process_fieldTitles[TPGID] = "TPGID "; Process_fieldTitles[TGID] = " TGID "; Process_pidFormat = "%5u "; Process_tpgidFormat = "%5d "; } } #define ONE_K 1024 #define ONE_M (ONE_K * ONE_K) #define ONE_G (ONE_M * ONE_K) static void Process_humanNumber(Process* this, RichString* str, unsigned long number) { char buffer[11]; int len; if(number >= (10 * ONE_M)) { if(number >= (100 * ONE_M)) { len = snprintf(buffer, 10, "%4ldG ", number / ONE_M); RichString_appendn(str, CRT_colors[LARGE_NUMBER], buffer, len); } else { len = snprintf(buffer, 10, "%3.1fG ", (float)number / ONE_M); RichString_appendn(str, CRT_colors[LARGE_NUMBER], buffer, len); } } else if (number >= 100000) { len = snprintf(buffer, 10, "%4ldM ", number / ONE_K); int attr = this->pl->highlightMegabytes ? CRT_colors[PROCESS_MEGABYTES] : CRT_colors[PROCESS]; RichString_appendn(str, attr, buffer, len); } else if (this->pl->highlightMegabytes && number >= 1000) { len = snprintf(buffer, 10, "%2ld", number/1000); RichString_appendn(str, CRT_colors[PROCESS_MEGABYTES], buffer, len); number %= 1000; len = snprintf(buffer, 10, "%03ld ", number); RichString_appendn(str, CRT_colors[PROCESS], buffer, len); } else { len = snprintf(buffer, 10, "%5ld ", number); RichString_appendn(str, CRT_colors[PROCESS], buffer, len); } } static void Process_colorNumber(RichString* str, unsigned long long number) { char buffer[14]; if (number > 10000000000) { snprintf(buffer, 13, "%11lld ", number / 1000); RichString_appendn(str, CRT_colors[LARGE_NUMBER], buffer, 5); RichString_appendn(str, CRT_colors[PROCESS_MEGABYTES], buffer+5, 3); RichString_appendn(str, CRT_colors[PROCESS], buffer+8, 4); } else { snprintf(buffer, 13, "%11lld ", number); RichString_appendn(str, CRT_colors[LARGE_NUMBER], buffer, 2); RichString_appendn(str, CRT_colors[PROCESS_MEGABYTES], buffer+2, 3); RichString_appendn(str, CRT_colors[PROCESS], buffer+5, 3); RichString_appendn(str, CRT_colors[PROCESS_SHADOW], buffer+8, 4); } } static double jiffy = 0.0; static void Process_printTime(RichString* str, unsigned long long t) { if(jiffy == 0.0) jiffy = sysconf(_SC_CLK_TCK); double jiffytime = 1.0 / jiffy; double realTime = t * jiffytime; int iRealTime = (int) realTime; unsigned long long hours = iRealTime / 3600; int minutes = (iRealTime / 60) % 60; int seconds = iRealTime % 60; int hundredths = (realTime - iRealTime) * 100; char buffer[11]; if (hours >= 100) { snprintf(buffer, 10, "%7lluh ", hours); RichString_append(str, CRT_colors[LARGE_NUMBER], buffer); } else { if (hours) { snprintf(buffer, 10, "%2lluh", hours); RichString_append(str, CRT_colors[LARGE_NUMBER], buffer); snprintf(buffer, 10, "%02d:%02d ", minutes, seconds); } else { snprintf(buffer, 10, "%2d:%02d.%02d ", minutes, seconds, hundredths); } RichString_append(str, CRT_colors[DEFAULT_COLOR], buffer); } } static inline void Process_writeCommand(Process* this, int attr, int baseattr, RichString* str) { int start = RichString_size(str); RichString_append(str, attr, this->comm); if (this->pl->highlightBaseName) { int finish = RichString_size(str) - 1; int space = RichString_findChar(str, ' ', start); if (space != -1) finish = space - 1; for (;;) { int slash = RichString_findChar(str, '/', start); if (slash == -1 || slash > finish) break; start = slash + 1; } RichString_setAttrn(str, baseattr, start, finish); } } static inline void Process_outputRate(Process* this, RichString* str, int attr, char* buffer, int n, double rate) { rate = rate / 1024; if (rate < 0.01) snprintf(buffer, n, " 0 "); else if (rate <= 10) snprintf(buffer, n, "%5.2f ", rate); else if (rate <= 100) snprintf(buffer, n, "%5.1f ", rate); else { Process_humanNumber(this, str, rate); return; } RichString_append(str, attr, buffer); } static void Process_writeField(Process* this, RichString* str, ProcessField field) { char buffer[128]; buffer[127] = '\0'; int attr = CRT_colors[DEFAULT_COLOR]; int baseattr = CRT_colors[PROCESS_BASENAME]; int n = sizeof(buffer) - 1; switch (field) { case PID: snprintf(buffer, n, Process_pidFormat, this->pid); break; case PPID: snprintf(buffer, n, Process_pidFormat, this->ppid); break; case PGRP: snprintf(buffer, n, "%5u ", this->pgrp); break; case SESSION: snprintf(buffer, n, "%5u ", this->session); break; case TTY_NR: snprintf(buffer, n, "%5u ", this->tty_nr); break; case TGID: snprintf(buffer, n, Process_pidFormat, this->tgid); break; case TPGID: snprintf(buffer, n, Process_tpgidFormat, this->tpgid); break; case PROCESSOR: snprintf(buffer, n, "%3d ", ProcessList_cpuId(this->pl, this->processor)); break; case NLWP: snprintf(buffer, n, "%4ld ", this->nlwp); break; case COMM: { if (this->pl->highlightThreads && Process_isThread(this)) { attr = CRT_colors[PROCESS_THREAD]; baseattr = CRT_colors[PROCESS_THREAD_BASENAME]; } if (!this->pl->treeView || this->indent == 0) { Process_writeCommand(this, attr, baseattr, str); return; } else { char* buf = buffer; int maxIndent = 0; const char **treeStr = this->pl->treeStr; bool lastItem = (this->indent < 0); int indent = (this->indent < 0 ? -this->indent : this->indent); if (treeStr == NULL) treeStr = ProcessList_treeStrAscii; for (int i = 0; i < 32; i++) if (indent & (1 << i)) maxIndent = i+1; for (int i = 0; i < maxIndent - 1; i++) { int written; if (indent & (1 << i)) written = snprintf(buf, n, "%s ", treeStr[TREE_STR_VERT]); else written = snprintf(buf, n, " "); buf += written; n -= written; } const char* draw = treeStr[lastItem ? (this->pl->direction == 1 ? TREE_STR_BEND : TREE_STR_TEND) : TREE_STR_RTEE]; snprintf(buf, n, "%s%s ", draw, this->showChildren ? treeStr[TREE_STR_SHUT] : treeStr[TREE_STR_OPEN] ); RichString_append(str, CRT_colors[PROCESS_TREE], buffer); Process_writeCommand(this, attr, baseattr, str); return; } } case STATE: { snprintf(buffer, n, "%c ", this->state); attr = this->state == 'R' ? CRT_colors[PROCESS_R_STATE] : attr; break; } case PRIORITY: { if(this->priority == -100) snprintf(buffer, n, " RT "); else snprintf(buffer, n, "%3ld ", this->priority); break; } case NICE: { snprintf(buffer, n, "%3ld ", this->nice); attr = this->nice < 0 ? CRT_colors[PROCESS_HIGH_PRIORITY] : this->nice > 0 ? CRT_colors[PROCESS_LOW_PRIORITY] : attr; break; } case M_DRS: Process_humanNumber(this, str, this->m_drs * PAGE_SIZE_KB); return; case M_DT: Process_humanNumber(this, str, this->m_dt * PAGE_SIZE_KB); return; case M_LRS: Process_humanNumber(this, str, this->m_lrs * PAGE_SIZE_KB); return; case M_TRS: Process_humanNumber(this, str, this->m_trs * PAGE_SIZE_KB); return; case M_SIZE: Process_humanNumber(this, str, this->m_size * PAGE_SIZE_KB); return; case M_RESIDENT: Process_humanNumber(this, str, this->m_resident * PAGE_SIZE_KB); return; case M_SHARE: Process_humanNumber(this, str, this->m_share * PAGE_SIZE_KB); return; case ST_UID: snprintf(buffer, n, "%4d ", this->st_uid); break; case USER: { if (Process_getuid != (int) this->st_uid) attr = CRT_colors[PROCESS_SHADOW]; if (this->user) { snprintf(buffer, n, "%-9s ", this->user); } else { snprintf(buffer, n, "%-9d ", this->st_uid); } if (buffer[9] != '\0') { buffer[9] = ' '; buffer[10] = '\0'; } break; } case UTIME: Process_printTime(str, this->utime); return; case STIME: Process_printTime(str, this->stime); return; case CUTIME: Process_printTime(str, this->cutime); return; case CSTIME: Process_printTime(str, this->cstime); return; case TIME: Process_printTime(str, this->utime + this->stime); return; case PERCENT_CPU: { if (this->percent_cpu > 999.9) { snprintf(buffer, n, "%4d ", (unsigned int)this->percent_cpu); } else if (this->percent_cpu > 99.9) { snprintf(buffer, n, "%3d. ", (unsigned int)this->percent_cpu); } else { snprintf(buffer, n, "%4.1f ", this->percent_cpu); } break; } case PERCENT_MEM: { if (this->percent_mem > 99.9) { snprintf(buffer, n, "100. "); } else { snprintf(buffer, n, "%4.1f ", this->percent_mem); } break; } case STARTTIME: snprintf(buffer, n, "%s", this->starttime_show); break; #ifdef HAVE_OPENVZ case CTID: snprintf(buffer, n, "%5u ", this->ctid); break; case VPID: snprintf(buffer, n, "%5u ", this->vpid); break; #endif #ifdef HAVE_VSERVER case VXID: snprintf(buffer, n, "%5u ", this->vxid); break; #endif #ifdef HAVE_TASKSTATS case RCHAR: snprintf(buffer, n, "%12llu ", this->io_rchar); break; case WCHAR: snprintf(buffer, n, "%12llu ", this->io_wchar); break; case SYSCR: snprintf(buffer, n, "%10llu ", this->io_syscr); break; case SYSCW: snprintf(buffer, n, "%10llu ", this->io_syscw); break; case RBYTES: Process_colorNumber(str, this->io_read_bytes); return; case WBYTES: Process_colorNumber(str, this->io_write_bytes); return; case CNCLWB: snprintf(buffer, n, "%10llu ", this->io_cancelled_write_bytes); break; case IO_READ_RATE: Process_outputRate(this, str, attr, buffer, n, this->io_rate_read_bps); return; case IO_WRITE_RATE: Process_outputRate(this, str, attr, buffer, n, this->io_rate_write_bps); return; case IO_RATE: Process_outputRate(this, str, attr, buffer, n, this->io_rate_read_bps + this->io_rate_write_bps); return; #endif #ifdef HAVE_CGROUP case CGROUP: snprintf(buffer, n, "%-10s ", this->cgroup); break; #endif default: snprintf(buffer, n, "- "); } RichString_append(str, attr, buffer); } static void Process_display(Object* cast, RichString* out) { Process* this = (Process*) cast; ProcessField* fields = this->pl->fields; RichString_prune(out); for (int i = 0; fields[i]; i++) Process_writeField(this, out, fields[i]); if (this->pl->shadowOtherUsers && (int)this->st_uid != Process_getuid) RichString_setAttr(out, CRT_colors[PROCESS_SHADOW]); if (this->tag == true) RichString_setAttr(out, CRT_colors[PROCESS_TAG]); assert(out->chlen > 0); } void Process_delete(Object* cast) { Process* this = (Process*) cast; assert (this != NULL); if (this->comm) free(this->comm); #ifdef HAVE_CGROUP if (this->cgroup) free(this->cgroup); #endif free(this); } Process* Process_new(struct ProcessList_ *pl) { Process* this = calloc(sizeof(Process), 1); Object_setClass(this, PROCESS_CLASS); ((Object*)this)->display = Process_display; ((Object*)this)->delete = Process_delete; this->pid = 0; this->pl = pl; this->tag = false; this->showChildren = true; this->show = true; this->updated = false; this->utime = 0; this->stime = 0; this->comm = NULL; this->indent = 0; #ifdef HAVE_CGROUP this->cgroup = NULL; #endif if (Process_getuid == -1) Process_getuid = getuid(); return this; } void Process_toggleTag(Process* this) { this->tag = this->tag == true ? false : true; } bool Process_setPriority(Process* this, int priority) { int old_prio = getpriority(PRIO_PROCESS, this->pid); int err = setpriority(PRIO_PROCESS, this->pid, priority); if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) { this->nice = priority; } return (err == 0); } #ifdef HAVE_LIBHWLOC Affinity* Process_getAffinity(Process* this) { hwloc_cpuset_t cpuset = hwloc_bitmap_alloc(); bool ok = (hwloc_linux_get_tid_cpubind(this->pl->topology, this->pid, cpuset) == 0); Affinity* affinity = NULL; if (ok) { affinity = Affinity_new(); if (hwloc_bitmap_last(cpuset) == -1) { for (int i = 0; i < this->pl->cpuCount; i++) { Affinity_add(affinity, i); } } else { unsigned int id; hwloc_bitmap_foreach_begin(id, cpuset); Affinity_add(affinity, id); hwloc_bitmap_foreach_end(); } } hwloc_bitmap_free(cpuset); return affinity; } bool Process_setAffinity(Process* this, Affinity* affinity) { hwloc_cpuset_t cpuset = hwloc_bitmap_alloc(); for (int i = 0; i < affinity->used; i++) { hwloc_bitmap_set(cpuset, affinity->cpus[i]); } bool ok = (hwloc_linux_set_tid_cpubind(this->pl->topology, this->pid, cpuset) == 0); hwloc_bitmap_free(cpuset); return ok; } #elif HAVE_NATIVE_AFFINITY Affinity* Process_getAffinity(Process* this) { cpu_set_t cpuset; bool ok = (sched_getaffinity(this->pid, sizeof(cpu_set_t), &cpuset) == 0); if (!ok) return NULL; Affinity* affinity = Affinity_new(); for (int i = 0; i < this->pl->cpuCount; i++) { if (CPU_ISSET(i, &cpuset)) Affinity_add(affinity, i); } return affinity; } bool Process_setAffinity(Process* this, Affinity* affinity) { cpu_set_t cpuset; CPU_ZERO(&cpuset); for (int i = 0; i < affinity->used; i++) { CPU_SET(affinity->cpus[i], &cpuset); } bool ok = (sched_setaffinity(this->pid, sizeof(unsigned long), &cpuset) == 0); return ok; } #endif void Process_sendSignal(Process* this, int sgn) { kill(this->pid, sgn); } int Process_pidCompare(const void* v1, const void* v2) { Process* p1 = (Process*)v1; Process* p2 = (Process*)v2; return (p1->pid - p2->pid); } int Process_compare(const void* v1, const void* v2) { Process *p1, *p2; ProcessList *pl = ((Process*)v1)->pl; if (pl->direction == 1) { p1 = (Process*)v1; p2 = (Process*)v2; } else { p2 = (Process*)v1; p1 = (Process*)v2; } long long diff; switch (pl->sortKey) { case PID: return (p1->pid - p2->pid); case PPID: return (p1->ppid - p2->ppid); case USER: return strcmp(p1->user ? p1->user : "", p2->user ? p2->user : ""); case PRIORITY: return (p1->priority - p2->priority); case PROCESSOR: return (p1->processor - p2->processor); case SESSION: return (p1->session - p2->session); case STATE: return (p1->state - p2->state); case NICE: return (p1->nice - p2->nice); case M_DRS: return (p2->m_drs - p1->m_drs); case M_DT: return (p2->m_dt - p1->m_dt); case M_LRS: return (p2->m_lrs - p1->m_lrs); case M_TRS: return (p2->m_trs - p1->m_trs); case M_SIZE: return (p2->m_size - p1->m_size); case M_RESIDENT: return (p2->m_resident - p1->m_resident); case M_SHARE: return (p2->m_share - p1->m_share); case PERCENT_CPU: return (p2->percent_cpu > p1->percent_cpu ? 1 : -1); case PERCENT_MEM: return (p2->m_resident - p1->m_resident); case UTIME: return (p2->utime - p1->utime); case STIME: return (p2->stime - p1->stime); case TIME: return ((p2->utime+p2->stime) - (p1->utime+p1->stime)); case COMM: return strcmp(p1->comm, p2->comm); case NLWP: return (p1->nlwp - p2->nlwp); case STARTTIME: { if (p1->starttime_ctime == p2->starttime_ctime) return (p1->pid - p2->pid); else return (p1->starttime_ctime - p2->starttime_ctime); } #ifdef HAVE_OPENVZ case CTID: return (p1->ctid - p2->ctid); case VPID: return (p1->vpid - p2->vpid); #endif #ifdef HAVE_VSERVER case VXID: return (p1->vxid - p2->vxid); #endif #ifdef HAVE_TASKSTATS case RCHAR: diff = p2->io_rchar - p1->io_rchar; goto test_diff; case WCHAR: diff = p2->io_wchar - p1->io_wchar; goto test_diff; case SYSCR: diff = p2->io_syscr - p1->io_syscr; goto test_diff; case SYSCW: diff = p2->io_syscw - p1->io_syscw; goto test_diff; case RBYTES: diff = p2->io_read_bytes - p1->io_read_bytes; goto test_diff; case WBYTES: diff = p2->io_write_bytes - p1->io_write_bytes; goto test_diff; case CNCLWB: diff = p2->io_cancelled_write_bytes - p1->io_cancelled_write_bytes; goto test_diff; case IO_READ_RATE: diff = p2->io_rate_read_bps - p1->io_rate_read_bps; goto test_diff; case IO_WRITE_RATE: diff = p2->io_rate_write_bps - p1->io_rate_write_bps; goto test_diff; case IO_RATE: diff = (p2->io_rate_read_bps + p2->io_rate_write_bps) - (p1->io_rate_read_bps + p1->io_rate_write_bps); goto test_diff; #endif #ifdef HAVE_CGROUP case CGROUP: return strcmp(p1->cgroup ? p1->cgroup : "", p2->cgroup ? p2->cgroup : ""); #endif default: return (p1->pid - p2->pid); } test_diff: return (diff > 0) ? 1 : (diff < 0 ? -1 : 0); }