similar to: Network Latency

Hello, For several years I've been experiencing an intermittent Samba error when running a very intense, highly parallel build/compile jobset. A file is reported as "not found" even though it most certainly exists and re-running the compile jobset always succeeds. Samba version is 3.6.4 running on CentOS 5.8 with 64-bit kernel 2.6.18-308.4.1.el5. Windows side is 64-bit Window

OK, I''ve been fritzing around with something I noticed last night, thinking that I understood what was going on, but now it''s getting confusing again. A system that has been running for a couple of months had a hole in the probe ID list near the end in the middle of the fbt probes. And then a couple of syscall probes were stuck in the hole. It looked like this: ... 40311

I''m using a fbt probe where I get a system call id as an argument, how do I look up the name of it? At the moment I''m post-processing the output using /etc/name/to_sysnum but that doesn''t feel right :) cheers, /Martin -- This message posted from opensolaris.org

If I use a simple dtrace script such as this: fbt::somefunc:entry{self->trace=1;} fbt::somefunc:return{self->trace=0;} fbt:::entry{} fbt:::return{printf("%lx", arg1);} then it will descend to whatever depth is necessary If I want to limit it to say 3 functions deep, how can I do that? The quick answer I want to use is to do "self->depth++" on each entry and then

Hi all, I have questions about something I observed just now: 1) on AMD64, S10u1: # dtrace -n ''fbt::copystr:entry{printf ("%p\n", args[0]);}'' -c /bin/pwd dtrace: invalid probe specifier fbt::copystr:entry{printf ("%p\n", args[0]);}: in action list: index 0 is out of range for fbt::copystr:entry args[ ] but # dtrace -n ''fbt::copystr:entry{printf

what is differenct between syscall::write:entry fbt::write:entry are the two probe fires at the same place. -- This message posted from opensolaris.org

Whilst trying out some D to get an insight into what is the most common reason for a given function to return, I have bumped into an error I don''t understand. The first take on what I was trying to do was: # dtrace -n ''fbt:ip:ip_input:return{@home[arg0] = count();}'' and all was well. The next step was: # dtrace -n

I wanted to ask to the wine experts something about WINEPREFIX or the crossover bottles... how does the concept of "bottles" compares/differs with the concept of application virtualization (http://en.wikipedia.org/wiki/Application_Virtualization) used by VMware's Thinstall (http://www.thinstall.com/products/virtualization_suite.php) (aside for the .exe container*) and

Tried to start up tcptop_snv on snv87 x86 and got <i>dtrace: failed to compile script /dev/fd/11: line 168: conn_tcp is not a member of struct conn_s</i> Line 288 has this line: <i>this->tcpp = (tcp_t *)this->connp->conn_tcp;</i> which, after looking at line 168 of <a

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

Hi. I would like to print out a field of a vnode, but the argument to the function is of type vnode_t **. If I set "this->vpp" to arg2 in an entry function to zfs_lookup(), I''d like to retrieve the value of one of the fields of *(this->vpp) in the return function. Something like the below (but the syntax below is not right): printf("zfs_lookup:

I''m curious to know what files are being used from a NFS server perspective. I''m unable to trace the client because it is in the boot phase. Looking at the io provider, I believe it does not allow you to look at what files are being requested. That would lead me to the fbt provider. Does anyone know what fbt provides the file handle for NFS client request on the NFS

Referring to the DTrace manual: "Module If this probe corresponds to a specific program location, the name of the module in which the probe is located. This name is either the name of a kernel module or the name of a user library. Function If this probe corresponds to a specific program location, the name of the program function in which the probe is located." and then ...

I''ve been poking around my system, and realized that having a tftp server would be handy. (I''m working with cisco routers, which have the capability to up and download configuration images via tftp.) However, I''m not content with the usual tftpd that comes with Linux. The whole "specify each directory you want" scheme is cock-eyed to me. I''d prefer

Hello all, I saw this question about a year back in the archive[1], but with no final answer. I would like to trace shmget calls and also get the id of the shared memory segment. That script looked like[2], but we dont get the id since arg1 is the errno value. How do i access the shm id, i would need this to debug a customer problem but i don''t have time to learn it the hard

Hi All: In Solaris Dtrace User Guide, page 218, it says, "Functions that do not create a stack frame on x86 systems cannot be instrumented by FBT." Then what are these functions? What characteristics do they have? Regards TJ

Is there a list anywhere of the DTrace FBT provider calls for each version of Solaris since the Nevada build that hosed the DTrace Toolkit. I have no issue with rewriting what I need, but I am hoping to stave off having to look at all the source code to find everything. I know there is a new provider under development, but I need to be able to program DTrace routines for all the updates in

Hi I have a Dtrace script ( attached ) which examines memory usage, using fbt:genunix:anon_resvmem:entry & return On my T2000 it totals the 65k pages being reserved by my application, printing out the total in bytes. Seems to work well, tested with a small app that malloced < 65 K, malloced 200M and mmapeed a 16M file and it appeared to get things correct. Could I just get a second pair

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> </head> <body bgcolor="#ffffff" text="#000000"> <font size="-1"><font face="Bitstream Vera Sans"><br>     Hello,<br> <br>     I am trying to have dns <b>automatically</b> configured through

i''m using the following probe to calculate how many bytes are being written by tcp write calls, by process and total: fbt:ip:tcp_output:entry { this->tcpout_size = msgdsize(args[1]); @tcpout_size[execname] = sum(this->tcpout_size); @tcpout_size["TOTAL_TCP_OUT"] = sum(this->tcpout_size); } I run this probe for N seconds. I suppose that if i get the