freebsd-dev/usr.bin/procstat/procstat_cs.c
Allan Jude 474b62b876 Introduce libxo to procstat(1)
Reviewed by:	rodrigc, bapt
Approved by:	marcel (mentor)
Relnotes:	yes
Sponsored by:	ScaleEngine Inc.
Differential Revision:	https://reviews.freebsd.org/D2446
2015-09-05 17:02:01 +00:00

120 lines
3.8 KiB
C

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