Displaying 19 results from an estimated 19 matches for "probenam".
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probename
2007 Oct 08
0
Translators and multiply defined probenames]
> I have a code that has several probes with the same probename. When I define the probe to use a translator and then try to match for all the occurances of the probename in a D script I get the following error:
>
> dtrace: invalid probe specifier mpi__test$target:::RECV_REQ_ACT_EV { printf("%d %d", args[0]->bar, args[0]->baz); }: in ac...
2010 Feb 25
1
taking the median across similar data
Dear All,
I am analyzing the miRNA data set in which I have 817 unique probes for each
they have 20 features each . I have to group the similar features and take
the median across them so that I have a data with no repeats to perform
invariant analysis .
My data looks something similar format
probename sample1 sample2 sample3
A 2.3 2.4 2.5
A 8.9 3.6 7.9
A 4.7 4.4 2.2
C 2.2 2.1 2.3
C 1.3 1.3 2.9
B 2.2 2.1 2...
2008 May 19
0
[BioC] oligo ids
...> >
> > I am having a set of human oligo ids (H200006022 H200002025 H300004703
> > H200000442 H200005719 H300018350) which I want to map to Ensembl or
> RefSeq.
> > I am sure R has a function to do that. I downloaded the {oligo} package
> and
> > tried to use the probeNames function. Although the factor of ologo ids is
> an
> > object (as the argument to probeNames should be) I retrieve the following
> > error:
> > probeNames(significant_genes[,1])
> > Error in function (classes, fdef, mtable) :
> > unable to find an inherited met...
2006 Sep 21
2
Probe description does not match any probes
[Perhaps someone could rename this list to dtrace-matt-problems-discuss?]
If I run this script against my binary (which contains a USDT probe called ''concurrentq-latency''):
:::
/ probename == "concurrentq-latency" /
{
printf("[%s]:[%s]:[%s]\n", probeprov, probefunc, probename);
}
I get this output:
dtrace: script ''testq.d'' matched 46056 probes
dtrace: pid 26257 has exited
CPU ID FUNCTION:NAME
2 46076 dequeue_thread:c...
2008 May 19
1
oligo ids
Dear list,
I am having a set of human oligo ids (H200006022 H200002025 H300004703
H200000442 H200005719 H300018350) which I want to map to Ensembl or RefSeq.
I am sure R has a function to do that. I downloaded the {oligo} package and
tried to use the probeNames function. Although the factor of ologo ids is an
object (as the argument to probeNames should be) I retrieve the following
error:
probeNames(significant_genes[,1])
Error in function (classes, fdef, mtable) :
unable to find an inherited method for function "probeNames", for
signature...
2008 May 20
6
Dtrace queries - predicates & func arg tracing
...modules alone
(by excluding the 3rd party and system libraries). I tried the below
script without success. The conditional given in the predicate is not
taking effect. Why is this so ?
$ dtrace -ln ''pid$target::: /probemod!="libc.so.1"/ { printf("%s -----
%s",probefunc, probename); } '' -p `pgrep a.out`
Similar is the case for the below script, I expect only the entry
points to be printed but all the probes in a.out are being printed.
$ dtrace -ln ''pid$target:a.out:: /probename=="entry"/ { printf("%s
----- %s",probefunc, probename); }...
2010 Jan 31
2
Using apply function on duplicates in a data.frame
Dear R-Helpers,
I have a data.frame (df) and the head of data.frame looks like
ProbeUID ControlType ProbeName GeneName SystematicName
1665 1577 0 pSysX_50_22_1 pSysX_50 pSysX_50
5422 5147 0 pSysX_49_8_1 pSysX_49 pSysX_49
4042 3843 0 pSysX_51_18_1 pSysX_51 pSysX_51
3646 3466 0 sll1514_0_2 sll1514 sll1514
2946 2807...
2010 Jun 17
9
Monitoring filessytem access
When somebody is hammering on the system, I want to be able to detect who''s
doing it, and hopefully even what they''re doing.
I can''t seem to find any way to do that. Any suggestions?
Everything I can find ... iostat, nfsstat, etc ... AFAIK, just show me
performance statistics and so forth. I''m looking for something more
granular. Either *who* the
2007 Jan 10
13
[DTrace] how to get socket read size
Hi
i''m trying to write my first dtrace script apparently i bit off a bit
more than i can chew, i want to track io over sockets, i found your
socketsize.d that gave me how to track writes, but i''m at a loss how
to track reads, frankly i don''t see how your write tracker works
because it uses a probe in a function that only takes two arguments
but you grab size of write
2006 Mar 30
8
iostat -xn 5 _donot_ update: how to use DTrace
on Solaris 10
5.10 Generic_118822-23 sun4v sparc SUNW,Sun-Fire-T200
I run
#iostat -xn 5
to monitor the IO statistics on SF T2000 server. The system also have a heavy IO load, for some reason iostat donot refresh (no any update). It seems like iostat is calling pause() and stucked there. Also my HBA driver''s interrupt stack trace indicates there is a lot of swtch(), the overall IOPS
2008 Nov 11
0
read.table not clearing colClasses
...ger"
idx<-which(cnames=="Col")
column.classes[idx]="integer"
idx<-which(cnames=="ControlType")
column.classes[idx]="integer"
idx<-which(cnames=="ProbeName")
column.classes[idx]="character"
idx<-which(cnames=="GeneName")
column.classes[idx]="character"
idx<-which(cnames=="SystematicName")
column.cl...
2009 Nov 26
1
analyse tab delimited textfile microarray data(help)
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2008 Jul 14
15
CPC provider - input welcome
Tracing Fans,
I know it''s been a long time in coming but the CPU Performance
Counter (CPC) provider is almost here! The code is currently in
for review and a proposed architecture document is attached here
for review.
Any and all feedback/questions on the proposed implementation
is welcome.
Thanks.
Jon.
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2008 Jun 06
1
Unnamed error while trying to create a VM
...ges, setting my PATH thus that /usr/bin/python (2.4) will be used instead of mine and even tracing Python''s execution with this dtrace script:
#!/usr/sbin/dtrace -ZCs
#pragma D option quiet
python588:::function-entry,python588:::function-return
{
printf("%s %s (%s:%d)\n", probename == "function-entry" ? "->" : "<-",
copyinstr(arg1), copyinstr(arg0), arg2);
}
I had a hard time understanding what I was seeing because it seems ''xm'' asks some services from an HTTP based RPC server, and I was unable to understand...
2007 Dec 29
1
why was some stack information lost.
...1);
write(fd,value,strlen(value));
}
}
////////////////////////////////////////
and the dtrace script (write.d) is:
syscall::write:entry,
fbt::write:entry,
pid$1::write:entry,
pid$1::write:return,
pid$1::_write:entry
/pid==$1/
{
printf("%s:%s:%s:%s\n",probeprov,probemod,probefunc,probename);
stack(100);
ustack(100);
}
///////////////////////////////
when runs the script, the result is :
pid17632:libc.so.1:write:entry
libc.so.1`write
a.out`main+0x43
a.out`_start+0x7a
pid17632:libc.so.1:_write:entry
[b] libc.so.1`_write...
2004 Oct 04
2
Help with Affymetrix data
I have CEL files from Affymetrix Mouse Array 430_2 and am trying to get the
the individual PM intensities (11 per gene) for each sample. I would like to
write out this into a tab delimited text file. Where am I stalling? This is
what I've done:
Change dir(to where CEL files are saved)
Data <- ReadAffy()
eset <- rma(Data)
write.exprs(eset, file="mydata.txt")
With this I am
2007 Nov 27
5
Dtrace probes for voluntary and involuntary context switches
Hi,
I am profiling some workloads for the voluntary and involuntary context switches. I am interested in finding out the reasons causing these two types of context switches. As far as I understand, involuntary context switch happens on expiration of time slice or when a higher priority process comes in. While the voluntary switch generally happens when a process is waiting for I/O etc.
So to
2008 Mar 04
5
Network Latency
Hiya,
I''m trying to track down some throughput latency that our customer seems
to be attributing to our product, I can''t see what he''s talking about,
but I want to try and get some deeper granularity than I might get with
something like smokeping, and maybe even see if its down to something
tunable on our end.
I''ve been looking for some examples on how
2007 May 02
41
gzip compression throttles system?
I just had a quick play with gzip compression on a filesystem and the
result was the machine grinding to a halt while copying some large
(.wav) files to it from another filesystem in the same pool.
The system became very unresponsive, taking several seconds to echo
keystrokes. The box is a maxed out AMD QuadFX, so it should have plenty
of grunt for this.
Comments?
Ian