pidcmd: Show the command running under a given pid.

This commit is contained in:
Ole Tange 2019-06-29 18:07:35 +02:00
parent 70ae9392fb
commit 14f0bffe25
3 changed files with 93 additions and 4 deletions

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@ -1,7 +1,7 @@
CMD = blink bsearch burncpu duplicate-packets em encdir field forever \ CMD = blink bsearch burncpu duplicate-packets em encdir field forever \
G gitnext gitundo goodpasswd histogram mtrr mirrorpdf neno \ G gitnext gitundo goodpasswd histogram mtrr mirrorpdf neno \
off pdfman plotpipe puniq ramusage rand rclean rina rn rrm \ off pdfman pidcmd plotpipe puniq ramusage rand rclean rina rn \
shython sound-reload stdout swapout T timestamp tracefile \ rrm shython sound-reload stdout swapout T timestamp tracefile \
transpose upsidedown vid w4it-for-port-open wifi-reload wssh \ transpose upsidedown vid w4it-for-port-open wifi-reload wssh \
ytv yyyymmdd ytv yyyymmdd
@ -9,8 +9,8 @@ all: blink/blink.1 bsearch/bsearch.1 burncpu/burncpu.1 \
encdir/encdir.1 G/G.1 gitnext/gitnext.1 gitundo/gitundo.1 \ encdir/encdir.1 G/G.1 gitnext/gitnext.1 gitundo/gitundo.1 \
goodpasswd/goodpasswd.1 histogram/histogram.1 \ goodpasswd/goodpasswd.1 histogram/histogram.1 \
mirrorpdf/mirrorpdf.1 neno/neno.1 off/off.1 pdfman/pdfman.1 \ mirrorpdf/mirrorpdf.1 neno/neno.1 off/off.1 pdfman/pdfman.1 \
plotpipe/plotpipe.1 puniq/puniq.1 rand/rand.1 rina/rina.1 \ pidcmd/pidcmd.1 plotpipe/plotpipe.1 puniq/puniq.1 rand/rand.1 \
rn/rn.1 rrm/rrm.1 shython/shython.1 \ rina/rina.1 rn/rn.1 rrm/rrm.1 shython/shython.1 \
sound-reload/sound-reload.1 stdout/stdout.1 \ sound-reload/sound-reload.1 stdout/stdout.1 \
timestamp/timestamp.1 tracefile/tracefile.1 \ timestamp/timestamp.1 tracefile/tracefile.1 \
transpose/transpose.1 T/T.1 upsidedown/upsidedown.1 vid/vid.1 \ transpose/transpose.1 T/T.1 upsidedown/upsidedown.1 vid/vid.1 \

70
pidcmd/pidcmd Executable file
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#!/bin/bash
: <<=cut
=pod
=head1 NAME
pidcmd - Show the command run by a pid
=head1 SYNOPSIS
B<pidcmd> I<pid>
=head1 DESCRIPTION
B<pidcmd> show the command run by a pid. It is a bit similar to:
ps aux | grep pid
but it avoid false positives (if I<pid> matches a part of another
line).
=head1 EXAMPLE
Show the command for pid 1
pidcmd 1
=head1 AUTHOR
Copyright (C) 2019 Ole Tange,
http://ole.tange.dk and Free Software Foundation, Inc.
=head1 LICENSE
Copyright (C) 2012 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
at your option any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
=head1 DEPENDENCIES
B<pidcmd> uses B</proc/*/cmdline>.
=head1 SEE ALSO
B<ps>
=cut
cat /proc/$1/cmdline | xargs -0

19
tracefile/test.sh Normal file
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#!/bin/bash
doit() {
opt="$1"
file="$2"
sudo tracefile $opt dd if=/dev/zero of="$file" bs=1000k count=10
sudo tracefile $opt chmod 600 $file
sudo tracefile $opt mkswap $file
sudo tracefile $opt swapon $file
sudo tracefile $opt swapoff $file
sudo rm "$file"
}
export -f doit
# Test 2 char dir
mkdir -p tt/tt
parallel -vj1 doit \
::: '' -l -u \
::: tt/tt/../tt/test.img `pwd`/tt/tt/../tt/test.img | grep test.img