Date: Fri, 23 Dec 2011 14:30:50 -0800 From: Julian Elischer <julian@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: arch@freebsd.org Subject: Re: Teach KTR_SCHED to handle changing thread names Message-ID: <4EF5011A.70709@freebsd.org> In-Reply-To: <201112231520.00282.jhb@freebsd.org> References: <201112231520.00282.jhb@freebsd.org>
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On 12/23/11 12:20 PM, John Baldwin wrote: > When I use the new schedgraph on 8, I find that it commonly calls almost all > threads "sh" or "tcsh" because it only uses the name from the initial fork and > never notices when a thread changes its name via exec. This makes traces > harder to follow. The patch below adds a hook to clear the cached thread name > to force it to be regenerated on the next trace when td_name changes. This > makes the traces more usable for me at least. > > I have no problems with this.. hard to decipher debugging as as bad as no debugging.
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