diff options
Diffstat (limited to 'usr.bin/procstat/procstat_rlimit.c')
| -rw-r--r-- | usr.bin/procstat/procstat_rlimit.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/usr.bin/procstat/procstat_rlimit.c b/usr.bin/procstat/procstat_rlimit.c new file mode 100644 index 000000000000..c34550295f05 --- /dev/null +++ b/usr.bin/procstat/procstat_rlimit.c @@ -0,0 +1,127 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2011 Mikolaj Golub + * 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. + */ + +#include <sys/param.h> +#include <sys/time.h> +#include <sys/resource.h> +#include <sys/sysctl.h> +#include <sys/user.h> + +#include <err.h> +#include <errno.h> +#include <libprocstat.h> +#include <libutil.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "procstat.h" + +static struct { + const char *name; + const char *suffix; +} rlimit_param[] = { + {"cputime", "sec"}, + {"filesize", "B "}, + {"datasize", "B "}, + {"stacksize", "B "}, + {"coredumpsize", "B "}, + {"memoryuse", "B "}, + {"memorylocked", "B "}, + {"maxprocesses", " "}, + {"openfiles", " "}, + {"sbsize", "B "}, + {"vmemoryuse", "B "}, + {"pseudo-terminals", " "}, + {"swapuse", "B "}, + {"kqueues", " "}, + {"umtxp", " "}, + {"pipebuf", "B "}, +}; + +_Static_assert(nitems(rlimit_param) == RLIM_NLIMITS, + "Resource limits have grown. Add new entries to rlimit_param[]."); + +static const char * +humanize_rlimit(int indx, rlim_t limit) +{ + static char buf[14]; + int scale; + + if (limit == RLIM_INFINITY) + return ("infinity "); + + scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit, + rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL); + (void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit, + rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL); + /* Pad with one space if there is no suffix prefix. */ + if (scale == 0) + sprintf(buf + strlen(buf), " "); + return (buf); +} + +void +procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp) +{ + struct rlimit rlimit; + int i; + + if ((procstat_opts & PS_OPT_NOHEADER) == 0) { + xo_emit("{T:/%5s %-16s %-16s %16s %16s}\n", + "PID", "COMM", "RLIMIT", "SOFT ", "HARD "); + } + xo_emit("{ek:process_id/%5d}{e:command/%-16s/%s}", kipp->ki_pid, + kipp->ki_comm); + for (i = 0; i < RLIM_NLIMITS; i++) { + if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1) + return; + xo_emit("{dk:process_id/%5d} {d:command/%-16s} " + "{d:rlimit_param/%-16s} ", kipp->ki_pid, kipp->ki_comm, + rlimit_param[i].name); + + xo_open_container(rlimit_param[i].name); + if (rlimit.rlim_cur == RLIM_INFINITY) + xo_emit("{e:soft_limit/infinity}"); + else + xo_emit("{e:soft_limit/%U}", rlimit.rlim_cur); + + if (rlimit.rlim_max == RLIM_INFINITY) + xo_emit("{e:hard_limit/infinity}"); + else + xo_emit("{e:hard_limit/%U}", rlimit.rlim_max); + xo_close_container(rlimit_param[i].name); + + xo_emit("{d:rlim_cur/%16s} ", + humanize_rlimit(i, rlimit.rlim_cur)); + xo_emit("{d:rlim_max/%16s}\n", + humanize_rlimit(i, rlimit.rlim_max)); + } +} |