Wireshark · Wireshark-dev: Re: [Wireshark-dev] buildbot down?

[Gerald Combs <gerald@xxxxxxxxxxxxx>]

This is now the "check for leftover processes" step on the Windows builders.

On 4/11/17 2:03 AM, Graham Bloice wrote:
> For reference, the PowerShell equivalent, note that this will only attempt
> to stop a pid once, there may be multiple locking handles for a single pid:
> 
>     # Stop-ProcessByFileLock
>     # Stops processes that have an open handle on the path fragment specified
> 
>     param(
>       [parameter(Mandatory=$true)]
>       [string]$path
>     )
> 
>     $processes = @{}
>     $handles = handle $path
>     foreach($line in $handles) {
>       if ($line -match "(\S+)\s+pid: (\d*)") {
>         $processes[$($Matches[1])] = $($Matches[2])
>       }
>     }
> 
>     foreach($process in $processes.GetEnumerator()) {
>         Write-Host "Killing process $($process.Name) with
>     pid:$($process.Value)"
>         Stop-Process -Id $process.Value -Force
>     }
> 
> 
> 
> 
> On 10 April 2017 at 21:36, Maynard, Chris <Christopher.Maynard@xxxxxxx
> <mailto:Christopher.Maynard@xxxxxxx>> wrote:
> 
>     Here's a batch file that *might* also help?  It makes use of both
>     handle.exe and taskkill.exe to /hopefully/ achieve what you're looking for?
>      
>     :: Forcefully kills the process with the given open file containing the
>     :: specified pattern.  For example, running the following will kill the
>     first
>     :: process found with a file open that contains the string
>     "wireshark_pcapng"
>     :: anywhere in the name:
>     ::
>     ::     killprocbyfile.bat wireshark_pcapng
>     ::
>      
>     @ECHO OFF
>      
>     IF ["%~1"] == [""] GOTO USAGE
>      
>     @ECHO OFF
>     FOR /F "TOKENS=1-3 USEBACKQ" %%I IN (`HANDLE.EXE "%1"`) DO (
>         IF "%%J" == "pid:" (
>             ECHO Killing %%I PID: %%K
>             TASKKILL.EXE /F /PID %%K
>             GOTO :EOF
>         ) 
>     )
>     GOTO :EOF
>      
>     :USAGE
>     ECHO Usage: %~0 ^<pattern^>
>      
>     - Chris
>      
>     > -----Original Message-----
>     > From: wireshark-dev-bounces@xxxxxxxxxxxxx
>     <mailto:wireshark-dev-bounces@xxxxxxxxxxxxx> [mailto:wireshark-dev-
>     <mailto:wireshark-dev->
>     > bounces@xxxxxxxxxxxxx <mailto:bounces@xxxxxxxxxxxxx>] On Behalf Of
>     Maynard, Chris
>     > Sent: Monday, April 10, 2017 2:12 PM
>     > To: Developer support list for Wireshark <wireshark-dev@xxxxxxxxxxxxx <mailto:wireshark-dev@xxxxxxxxxxxxx>>
>     > Subject: Re: [Wireshark-dev] buildbot down?
>     > 
>     > Would taskkill.exe help?
>     > 
>     > For example, "taskkill.exe /im dumpcap.exe" , etc.
>     > 
>     > I've also used WMIC in the past to save ProcessID's of tasks so you can later kill
>     > specific instances of a task instead of all of them with the same name.  I'd refer
>     > you to the dumpcap.bat file posted on https://wiki.wireshark.org/Tools <https://wiki.wireshark.org/Tools> for how
>     > I did that.
>     > 
>     > - Chris
>     > [1]:
>     > https://www.microsoft.com/resources/documentation/windows/xp/all/proddoc <https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/taskkill.mspx?mfr=true>
>     > s/en-us/taskkill.mspx?mfr=true
>     > 
>     > - Chris
>     > 
>     > > -----Original Message-----
>     > > From: wireshark-dev-bounces@xxxxxxxxxxxxx
>     <mailto:wireshark-dev-bounces@xxxxxxxxxxxxx> [mailto:wireshark-dev-
>     <mailto:wireshark-dev->
>     > > bounces@xxxxxxxxxxxxx <mailto:bounces@xxxxxxxxxxxxx>] On Behalf Of
>     Gerald Combs
>     > > Sent: Monday, April 10, 2017 2:06 PM
>     > > To: Developer support list for Wireshark <wireshark-dev@xxxxxxxxxxxxx <mailto:wireshark-dev@xxxxxxxxxxxxx>>
>     > > Subject: Re: [Wireshark-dev] buildbot down?
>     > >
>     > > On 4/9/17 1:23 AM, Graham Bloice wrote:
>     > > >
>     > > >
>     > > > On 9 April 2017 at 01:54, Gerald Combs <gerald@xxxxxxxxxxxxx <mailto:gerald@xxxxxxxxxxxxx>
>     > > > <mailto:gerald@xxxxxxxxxxxxx>> wrote:
>     > > >
>     > > >     On 4/8/17 10:47 AM, Peter Wu wrote:
>     > > >     >
>     > > >     > There is another problem though with the Petri-Dish builder, a previous
>     > > >     > build on the Petri-Dish Windows x86 builder failed and left a process on
>     > > >     > the machine, breaking all following builds. Gerald, can you have a look?
>     > > >
>     > > >     It's back up.
>     > > >
>     > > >     > Maybe it is an idea to add a pass that kills all
>     > > >     > dumpcap/tshark/wireshark processes before starting the build?
>     > > (Assuming
>     > > >     > that no other builds happen in parallel).
>     > > >
>     > > >     Is there a straightforward equivalent to "kill -9 $( lsof -t
>     > > >     /path/to/buildbot )" on Windows?
>     > > >
>     > > >
>     > > > Difficult to identify which process you want to kill with
>     > > > Stop-Process.  With PS 4.0 and later you can run ((Get-Process
>     > > > -IncludeUserName).where({$_.username -AND $_.username -notmatch
>     > > > "^NT"})) to get the processes owned by the user account running the
>     > > > command, but there's still too many in there that shouldn't be stopped.
>     > > >
>     > > > Maybe Get-Process | Where-Object -Property ProcessName -match
>     > > > ".*(Process1|Process2|Process3).*" | Stop-Process would do if the
>     > > > number of processes to look for isn't too bad.
>     > >
>     > > How difficult would it be to parse the output of the Sysinternals
>     > > "Handle" utility in PS? That would presumably tell us which process
>     > > has the build directory locked while limiting the risk of clobbering
>     > > any other Buildbot instances that happen to be running.
>     > >
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> 
> 
> -- 
> Graham Bloice
> 
> 
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