svn commit: r227956 - head/usr.bin/procstat
Mikolaj Golub
trociny at FreeBSD.org
Thu Nov 24 20:54:06 UTC 2011
Author: trociny
Date: Thu Nov 24 20:54:06 2011
New Revision: 227956
URL: http://svn.freebsd.org/changeset/base/227956
Log:
usr.bin/procstat
Add -l flag to display resource limits.
PR: bin/161257
Reviewed by: kib
MFC after: 2 weeks
Added:
head/usr.bin/procstat/procstat_rlimit.c (contents, props changed)
Modified:
head/usr.bin/procstat/Makefile
head/usr.bin/procstat/procstat.1
head/usr.bin/procstat/procstat.c
head/usr.bin/procstat/procstat.h
Modified: head/usr.bin/procstat/Makefile
==============================================================================
--- head/usr.bin/procstat/Makefile Thu Nov 24 20:43:37 2011 (r227955)
+++ head/usr.bin/procstat/Makefile Thu Nov 24 20:54:06 2011 (r227956)
@@ -10,6 +10,7 @@ SRCS= procstat.c \
procstat_cred.c \
procstat_files.c \
procstat_kstack.c \
+ procstat_rlimit.c \
procstat_sigs.c \
procstat_threads.c \
procstat_vm.c
Modified: head/usr.bin/procstat/procstat.1
==============================================================================
--- head/usr.bin/procstat/procstat.1 Thu Nov 24 20:43:37 2011 (r227955)
+++ head/usr.bin/procstat/procstat.1 Thu Nov 24 20:54:06 2011 (r227956)
@@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd November 22, 2011
+.Dd November 24, 2011
.Dt PROCSTAT 1
.Os
.Sh NAME
@@ -69,6 +69,8 @@ Display the stacks of kernel threads in
threads currently running on a CPU and threads with stacks swapped to disk.
If the flag is repeated, function offsets as well as function names are
printed.
+.It Fl l
+Display resource limits for the process.
.It Fl s
Display security credential information for the process.
.It Fl t
Modified: head/usr.bin/procstat/procstat.c
==============================================================================
--- head/usr.bin/procstat/procstat.c Thu Nov 24 20:43:37 2011 (r227955)
+++ head/usr.bin/procstat/procstat.c Thu Nov 24 20:54:06 2011 (r227956)
@@ -39,8 +39,8 @@
#include "procstat.h"
-static int aflag, bflag, cflag, eflag, fflag, iflag, jflag, kflag, sflag, tflag;
-static int vflag, xflag;
+static int aflag, bflag, cflag, eflag, fflag, iflag, jflag, kflag, lflag, sflag;
+static int tflag, vflag, xflag;
int hflag, nflag, Cflag;
static void
@@ -50,7 +50,7 @@ usage(void)
fprintf(stderr, "usage: procstat [-h] [-C] [-M core] [-N system] "
"[-w interval] \n");
fprintf(stderr, " [-b | -c | -e | -f | -i | -j | -k | "
- "-s | -t | -v | -x] [-a | pid ...]\n");
+ "-l | -s | -t | -v | -x] [-a | pid ...]\n");
exit(EX_USAGE);
}
@@ -72,6 +72,8 @@ procstat(struct procstat *prstat, struct
procstat_threads_sigs(prstat, kipp);
else if (kflag)
procstat_kstack(kipp, kflag);
+ else if (lflag)
+ procstat_rlimit(kipp);
else if (sflag)
procstat_cred(kipp);
else if (tflag)
@@ -123,7 +125,7 @@ main(int argc, char *argv[])
interval = 0;
memf = nlistf = NULL;
- while ((ch = getopt(argc, argv, "CN:M:abcefijkhstvw:x")) != -1) {
+ while ((ch = getopt(argc, argv, "CN:M:abcefijklhstvw:x")) != -1) {
switch (ch) {
case 'C':
Cflag++;
@@ -167,6 +169,10 @@ main(int argc, char *argv[])
kflag++;
break;
+ case 'l':
+ lflag++;
+ break;
+
case 'n':
nflag++;
break;
@@ -210,8 +216,8 @@ main(int argc, char *argv[])
argv += optind;
/* We require that either 0 or 1 mode flags be set. */
- tmp = bflag + cflag + eflag + fflag + (kflag ? 1 : 0) + sflag + tflag +
- vflag + xflag;
+ tmp = bflag + cflag + eflag + fflag + (kflag ? 1 : 0) + lflag + sflag +
+ tflag + vflag + xflag;
if (!(tmp == 0 || tmp == 1))
usage();
Modified: head/usr.bin/procstat/procstat.h
==============================================================================
--- head/usr.bin/procstat/procstat.h Thu Nov 24 20:43:37 2011 (r227955)
+++ head/usr.bin/procstat/procstat.h Thu Nov 24 20:54:06 2011 (r227956)
@@ -42,6 +42,7 @@ void procstat_cred(struct kinfo_proc *ki
void procstat_env(struct kinfo_proc *kipp);
void procstat_files(struct procstat *prstat, struct kinfo_proc *kipp);
void procstat_kstack(struct kinfo_proc *kipp, int kflag);
+void procstat_rlimit(struct kinfo_proc *kipp);
void procstat_sigs(struct procstat *prstat, struct kinfo_proc *kipp);
void procstat_threads(struct kinfo_proc *kipp);
void procstat_threads_sigs(struct procstat *prstat, struct kinfo_proc *kipp);
Added: head/usr.bin/procstat/procstat_rlimit.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/usr.bin/procstat/procstat_rlimit.c Thu Nov 24 20:54:06 2011 (r227956)
@@ -0,0 +1,78 @@
+/*-
+ * Copyright (c) 2011 Mikolaj Golub
+ * 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/time.h>
+#define _RLIMIT_IDENT
+#include <sys/resourcevar.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+
+#include <err.h>
+#include <errno.h>
+#include <libprocstat.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "procstat.h"
+
+static struct rlimit rlimit[RLIM_NLIMITS];
+
+void
+procstat_rlimit(struct kinfo_proc *kipp)
+{
+ int error, i, name[4];
+ size_t len;
+
+ if (!hflag)
+ printf("%5s %-16s %-10s %12s %12s\n", "PID", "COMM", "RLIMIT",
+ "CURRENT", "MAX");
+ name[0] = CTL_KERN;
+ name[1] = KERN_PROC;
+ name[2] = KERN_PROC_RLIMIT;
+ name[3] = kipp->ki_pid;
+ len = sizeof(rlimit);
+ error = sysctl(name, 4, rlimit, &len, NULL, 0);
+ if (error < 0 && errno != ESRCH) {
+ warn("sysctl: kern.proc.rlimit: %d", kipp->ki_pid);
+ return;
+ }
+ if (error < 0 || len != sizeof(rlimit))
+ return;
+
+ for (i = 0; i < RLIM_NLIMITS; i++) {
+ printf("%5d %-16s %-10s %12jd %12jd\n", kipp->ki_pid,
+ kipp->ki_comm, rlimit_ident[i],
+ rlimit[i].rlim_cur == RLIM_INFINITY ?
+ -1 : rlimit[i].rlim_cur,
+ rlimit[i].rlim_max == RLIM_INFINITY ?
+ -1 : rlimit[i].rlim_max);
+ }
+}
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