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474b62b876
Reviewed by: rodrigc, bapt Approved by: marcel (mentor) Relnotes: yes Sponsored by: ScaleEngine Inc. Differential Revision: https://reviews.freebsd.org/D2446
120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/*-
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* Copyright (c) 2007 Robert N. M. Watson
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* Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/cpuset.h>
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#include <sys/sbuf.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <errno.h>
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#include <libprocstat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "procstat.h"
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void
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procstat_cs(struct procstat *procstat, struct kinfo_proc *kipp)
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{
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cpusetid_t cs;
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cpuset_t mask;
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struct kinfo_proc *kip;
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struct sbuf *cpusetbuf;
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unsigned int count, i;
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int once, twice, lastcpu, cpu;
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if (!hflag)
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xo_emit("{T:/%5s %6s %-16s %-16s %2s %4s %-7s}\n", "PID",
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"TID", "COMM", "TDNAME", "CPU", "CSID", "CPU MASK");
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kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
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kipp->ki_pid, &count);
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if (kip == NULL)
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return;
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kinfo_proc_sort(kip, count);
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for (i = 0; i < count; i++) {
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kipp = &kip[i];
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xo_emit("{k:process_id/%5d/%d} ", kipp->ki_pid);
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xo_emit("{:thread_id/%6d/%d} ", kipp->ki_tid);
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xo_emit("{:command/%-16s/%s} ", strlen(kipp->ki_comm) ?
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kipp->ki_comm : "-");
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xo_emit("{:thread_name/%-16s/%s} ", (strlen(kipp->ki_tdname) &&
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(strcmp(kipp->ki_comm, kipp->ki_tdname) != 0)) ?
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kipp->ki_tdname : "-");
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if (kipp->ki_oncpu != 255)
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xo_emit("{:cpu/%3d/%d} ", kipp->ki_oncpu);
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else if (kipp->ki_lastcpu != 255)
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xo_emit("{:cpu/%3d/%d} ", kipp->ki_lastcpu);
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else
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xo_emit("{:cpu/%3s/%s} ", "-");
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if (cpuset_getid(CPU_LEVEL_CPUSET, CPU_WHICH_TID,
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kipp->ki_tid, &cs) != 0) {
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cs = CPUSET_INVALID;
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}
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xo_emit("{:cpu_set_id/%4d/%d} ", cs);
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if ((cs != CPUSET_INVALID) &&
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(cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID,
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kipp->ki_tid, sizeof(mask), &mask) == 0)) {
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lastcpu = -1;
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once = 0;
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twice = 0;
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cpusetbuf = sbuf_new_auto();
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for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
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if (CPU_ISSET(cpu, &mask)) {
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if (once == 0) {
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sbuf_printf(cpusetbuf, "%d",
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cpu);
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once = 1;
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} else if (cpu == lastcpu + 1) {
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twice = 1;
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} else if (twice == 1) {
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sbuf_printf(cpusetbuf, "-%d,%d",
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lastcpu, cpu);
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twice = 0;
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} else
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sbuf_printf(cpusetbuf, ",%d",
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cpu);
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lastcpu = cpu;
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}
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}
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if (once && twice)
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sbuf_printf(cpusetbuf, "-%d", lastcpu);
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if (sbuf_finish(cpusetbuf) != 0)
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xo_err(1, "Could not generate output");
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xo_emit("{:cpu_set/%s}", sbuf_data(cpusetbuf));
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sbuf_delete(cpusetbuf);
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}
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xo_emit("\n");
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}
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procstat_freeprocs(procstat, kip);
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}
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