Re: [PATCH] KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions

2014-11-20 Thread Steven Rostedt
On Thu, 20 Nov 2014 13:10:12 +0100 Alexander Graf ag...@suse.de wrote: On 20.11.14 11:40, Aneesh Kumar K.V wrote: Suresh E. Warrier warr...@linux.vnet.ibm.com writes: This patch adds trace points in the guest entry and exit code and also for exceptions handled by the host in kernel

Re: [PATCH 2/2] KVM: PPC: Book3E: Emulate MCSRR0/1 SPR and rfmci instruction

2013-07-09 Thread Steven Rostedt
On Wed, 2013-07-10 at 00:00 +0200, Alexander Graf wrote: Then don't overflow the buffer. Make it large enough. IIRC ftrace improved recently to dynamically increase the buffer size too. Steven, do I remember correctly here? Not really. Ftrace only dynamically increases the buffer when the

Re: [PATCH 2/2] KVM: PPC: Book3E: Emulate MCSRR0/1 SPR and rfmci instruction

2013-07-09 Thread Steven Rostedt
On Tue, 2013-07-09 at 17:26 -0500, Scott Wood wrote: On 07/09/2013 05:00:26 PM, Alexander Graf wrote: On 09.07.2013, at 23:54, Scott Wood wrote: On 07/09/2013 04:49:32 PM, Alexander Graf wrote: Not sure I understand. What the timing stats do is that they measure the time between