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From: Steven Rostedt <>
To: Tzvetomir Stoyanov <>
Cc: Linux Trace Devel <>
Subject: Re: [PATCH v3 2/2] trace-cmd: Trace timesync to find pids that map vCPUs
Date: Fri, 14 May 2021 10:00:57 -0400	[thread overview]
Message-ID: <20210514100057.4d266a79@gandalf.local.home> (raw)
In-Reply-To: <>

On Fri, 14 May 2021 16:38:29 +0300
Tzvetomir Stoyanov <> wrote:

> > What am I missing?  
> cid is not updated between both checks, it always fails - even though
> read_qemu_guests() may succeed to find the VM with that name.

Ah, that's what I was missing. :-p

For some reason I thought it set the *cid, but I see that's obviously not
the case. You are correct, the second check is not needed because the code
to set *cid is right after it.

Thanks for pointing that out.

-- Steve

      reply	other threads:[~2021-05-14 14:01 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-13 20:43 [PATCH v3 0/2] trace-cmd: Use vsock tracing to find cids and threads Steven Rostedt
2021-05-13 20:43 ` [PATCH v3 1/2] trace-cmd: Find PID of host-guest task from tracing vsock connection Steven Rostedt
2021-05-13 20:43 ` [PATCH v3 2/2] trace-cmd: Trace timesync to find pids that map vCPUs Steven Rostedt
2021-05-14  4:10   ` Tzvetomir Stoyanov
2021-05-14 13:12     ` Steven Rostedt
2021-05-14 13:38       ` Tzvetomir Stoyanov
2021-05-14 14:00         ` Steven Rostedt [this message]

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