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author | rwatson <rwatson@FreeBSD.org> | 2007-12-02 23:31:45 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2007-12-02 23:31:45 +0000 |
commit | 88563131a07695a978d1ea8d582fcaef2bbcf495 (patch) | |
tree | 7dbb26f0de9b1cdfcb17b3932fafcf867ce71aa3 /usr.bin/procstat/procstat_args.c | |
parent | 2cfd49de5b26f76b5592e60721eee0cb4d5981e7 (diff) | |
download | FreeBSD-src-88563131a07695a978d1ea8d582fcaef2bbcf495.zip FreeBSD-src-88563131a07695a978d1ea8d582fcaef2bbcf495.tar.gz |
Add procstat(1), a process inspection utility. This provides both some
of the missing functionality from procfs(4) and new functionality for
monitoring and debugging specific processes. procstat(1) operates in
the following modes:
-b Display binary information for the process.
-c Display command line arguments for the process.
-f Display file descriptor information for the process.
-k Display the stacks of kernel threads in the process.
-s Display security credential information for the process.
-t Display thread information for the process.
-v Display virtual memory mappings for the process.
Further revision and modes are expected.
Testing, ideas, etc: cognet, sam, Skip Ford <skip at menantico dot com>
Wesley Shields <wxs at atarininja dot org>
Diffstat (limited to 'usr.bin/procstat/procstat_args.c')
-rw-r--r-- | usr.bin/procstat/procstat_args.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/usr.bin/procstat/procstat_args.c b/usr.bin/procstat/procstat_args.c new file mode 100644 index 0000000..f4a27a0 --- /dev/null +++ b/usr.bin/procstat/procstat_args.c @@ -0,0 +1,74 @@ +/*- + * Copyright (c) 2007 Robert N. M. Watson + * 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/types.h> +#include <sys/sysctl.h> + +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "procstat.h" + +static char args[ARG_MAX]; + +void +procstat_args(pid_t pid, struct kinfo_proc *kipp) +{ + int error, name[4]; + size_t len; + char *cp; + + if (!hflag) + printf("%5s %-70s\n", "PID", "ARGS"); + + name[0] = CTL_KERN; + name[1] = KERN_PROC; + name[2] = KERN_PROC_ARGS; + name[3] = pid; + len = sizeof(args); + error = sysctl(name, 4, args, &len, NULL, 0); + if (error < 0 && errno != ESRCH) { + warn("sysctl: kern.proc.args: %d", pid); + return; + } + if (error < 0) + return; + if (len == 0 || strlen(args) == 0) { + strcpy(args, "-"); + len = strlen(args) + 1; + } + + printf("%5d ", pid); + for (cp = args; cp < args + len; cp += strlen(cp) + 1) + printf("%s%s", cp != args ? " " : "", cp); + printf("\n"); +} |