1 /*- 2 * Copyright (c) 2007 Robert N. M. Watson 3 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/cpuset.h> 30 #include <sys/sbuf.h> 31 #include <sys/sysctl.h> 32 #include <sys/user.h> 33 34 #include <err.h> 35 #include <errno.h> 36 #include <libprocstat.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 41 #include "procstat.h" 42 43 void 44 procstat_cs(struct procstat *procstat, struct kinfo_proc *kipp) 45 { 46 cpusetid_t cs; 47 cpuset_t mask; 48 struct kinfo_proc *kip; 49 struct sbuf *cpusetbuf; 50 unsigned int count, i; 51 int once, twice, lastcpu, cpu; 52 53 if ((procstat_opts & PS_OPT_NOHEADER) == 0) 54 xo_emit("{T:/%5s %6s %-19s %-19s %2s %4s %-7s}\n", "PID", 55 "TID", "COMM", "TDNAME", "CPU", "CSID", "CPU MASK"); 56 57 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD, 58 kipp->ki_pid, &count); 59 if (kip == NULL) 60 return; 61 kinfo_proc_sort(kip, count); 62 for (i = 0; i < count; i++) { 63 kipp = &kip[i]; 64 xo_emit("{k:process_id/%5d/%d} ", kipp->ki_pid); 65 xo_emit("{:thread_id/%6d/%d} ", kipp->ki_tid); 66 xo_emit("{:command/%-19s/%s} ", strlen(kipp->ki_comm) ? 67 kipp->ki_comm : "-"); 68 xo_emit("{:thread_name/%-19s/%s} ", 69 kinfo_proc_thread_name(kipp)); 70 if (kipp->ki_oncpu != 255) 71 xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu); 72 else if (kipp->ki_lastcpu != 255) 73 xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu); 74 else 75 xo_emit("{:cpu/%3s/%s} ", "-"); 76 if (cpuset_getid(CPU_LEVEL_CPUSET, CPU_WHICH_TID, 77 kipp->ki_tid, &cs) != 0) { 78 cs = CPUSET_INVALID; 79 } 80 xo_emit("{:cpu_set_id/%4d/%d} ", cs); 81 if ((cs != CPUSET_INVALID) && 82 (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, 83 kipp->ki_tid, sizeof(mask), &mask) == 0)) { 84 lastcpu = -1; 85 once = 0; 86 twice = 0; 87 cpusetbuf = sbuf_new_auto(); 88 for (cpu = 0; cpu < CPU_SETSIZE; cpu++) { 89 if (CPU_ISSET(cpu, &mask)) { 90 if (once == 0) { 91 sbuf_printf(cpusetbuf, "%d", 92 cpu); 93 once = 1; 94 } else if (cpu == lastcpu + 1) { 95 twice = 1; 96 } else if (twice == 1) { 97 sbuf_printf(cpusetbuf, "-%d,%d", 98 lastcpu, cpu); 99 twice = 0; 100 } else 101 sbuf_printf(cpusetbuf, ",%d", 102 cpu); 103 lastcpu = cpu; 104 } 105 } 106 if (once && twice) 107 sbuf_printf(cpusetbuf, "-%d", lastcpu); 108 if (sbuf_finish(cpusetbuf) != 0) 109 xo_err(1, "Could not generate output"); 110 xo_emit("{:cpu_set/%s}", sbuf_data(cpusetbuf)); 111 sbuf_delete(cpusetbuf); 112 } 113 xo_emit("\n"); 114 } 115 procstat_freeprocs(procstat, kip); 116 } 117