pollsys then waits until the file can be read. The only possible cause is described above. This is POSIX compliant semantics for the read call. pollsys is a Solaris-ism (a system call entry point) for poll() and select(), I believe. Don Cragun would know definitely.
I'm a DBA so no abuse please! I've for 5 Oracle Forms processes that are spinning and am trying to find out if they're doing anything:
Running HPUX 11.11
CPU TTY PID USERNAME PRI NI SIZE RES STATE TIME %WCPU %CPU COMMAND
9 ? 2735 oracle 241 20 24228K 16668K run 2607:29 84.92... (2 Replies)
Hi,
We keep getting hanging Oracle process for our ETL. The dba's asked me to do o truss. All I see is pages and pages of the following,:cool:
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0
pollsys(0xFFFFFFFF7FFF38C8, 1, 0xFFFFFFFF7FFF3800, 0x00000000) = 0... (0 Replies)
Hi all,
while trying to debug and figure out why a lofiadm command was not working on my script, i came across a cmd called "truss"
all i know about it is that it executes the specified command and produces a trace of the system calls it performs, the signals it receives, and the machine faults... (5 Replies)
Hi
I have to get redirect the truss ouput to file.
I am doing truss -p 12121 >> output.txt
But it still displays on the screen adn output.txt is empty
Can some help how to do this?
Thanks in advance
Ammu (1 Reply)
i have to gather some info about a process and redirect it to a1.txt file. For this i m using truss command
truss -po a1.txt $PID_Detail
where $PID_Detail= 1482944 3362976
--------------------------------------------------------------------------
Below the script:
#!/bin/ksh
for i... (6 Replies)
On my VIo I see the following for my disks:
$ lspath | grep hdisk6
Enabled hdisk6 fscsi0 200600a0b82193f7,4000000000000
Enabled hdisk6 fscsi0 200700a0b82193f7,4000000000000
Enabled hdisk6 fscsi2 200600a0b82193f8,4000000000000
Failed hdisk6 fscsi2 200700a0b82193f8,4000000000000
$ lspath |... (8 Replies)
Hello,
I'm using AIX 5.3.12.5 and trying to understand truss output.
I'm running a job with real time of 16 minutes but only 4 minutes of CPU time. I'm trying to understand what the process is doing.
I'm getting a lot of
kread,
kpread,
kwrite,
kpwrite...
localhost:~ x$ grep... (1 Reply)
Hi,
I want to trace a background java program which runs in infinite loop. I have used truss command for this.
But the program terminated after some hours with below truss output:
Received signal #1, SIGHUP, in lwp_cond_wait()
/1: siginfo: SIG#0
Please let me know what... (0 Replies)
Hi,
I want to trace a background java program which runs in infinite loop. I have used truss command for this.
But the program terminated after some hours with below truss output:
Received signal #1, SIGHUP, in lwp_cond_wait()
/1: siginfo: SIG#0
Please let me know what... (5 Replies)
Hi,
I am trying to set ulimit for soft stack unlimited, but this is not taking effect, after tracing the ulimit -a unlimited command, the below output was generated, which i am unable to comprehend. Could any one help me with this?
prcbap1-r10prod: truss -d ulimit -s unlimited
Tue Dec 30... (2 Replies)
Discussion started by: NasirAbbasi
2 Replies
LEARN ABOUT DEBIAN
rgb2pct
rgb2pct(1) General Commands Manual rgb2pct(1)NAME
rgb2pct - rgb2pct.py Convert a 24bit RGB image to 8bit paletted
SYNOPSIS
rgb2pct.py [-n colors | -pct palette_file] [-of format] source_file dest_file
DESCRIPTION
This utility will compute an optimal pseudo-color table for a given RGB image using a median cut algorithm on a downsampled RGB histogram.
Then it converts the image into a pseudo-colored image using the color table. This conversion utilizes Floyd-Steinberg dithering (error
diffusion) to maximize output image visual quality.
-n colors:
Select the number of colors in the generated color table. Defaults to 256. Must be between 2 and 256.
-pct palette_file:
Extract the color table from palette_file instead of computing it. Can be used to have a consistant color table for multiple files. The
palette_file must be a raster file in a GDAL supported format with a palette.
-of format:
Format to generated (defaults to GeoTIFF). Same semantics as the -of flag for gdal_translate. Only output formats supporting
pseudocolor tables should be used.
source_file:
The input RGB file.
dest_file:
The output pseudo-colored file that will be created.
NOTE: rgb2pct.py is a Python script, and will only work if GDAL was built with Python support.
EXAMPLE
If it is desired to hand create the palette, likely the simpliest text format is the GDAL VRT format. In the following example a VRT was
created in a text editor with a small 4 color palette with the RGBA colors 238/238/238/255, 237/237/237/255, 236/236/236/255 and
229/229/229/255.
% rgb2pct.py -pct palette.vrt rgb.tif pseudo-colored.tif
% more < palette.vrt
<VRTDataset rasterXSize="226" rasterYSize="271">
<VRTRasterBand dataType="Byte" band="1">
<ColorInterp>Palette</ColorInterp>
<ColorTable>
<Entry c1="238" c2="238" c3="238" c4="255"/>
<Entry c1="237" c2="237" c3="237" c4="255"/>
<Entry c1="236" c2="236" c3="236" c4="255"/>
<Entry c1="229" c2="229" c3="229" c4="255"/>
</ColorTable>
</VRTRasterBand>
</VRTDataset>
AUTHOR
Frank Warmerdam warmerdam@pobox.com
GDAL Tue Sep 18 2012 rgb2pct(1)