Re: [PATCH] powerpc/powernv: Add kernel cmdline parameter to disable imc

2017-10-12 Thread Michael Ellerman
Anju T Sudhakar writes: > Hi mpe, stewart, > > > On Wednesday 11 October 2017 01:55 AM, Stewart Smith wrote: >> Michael Ellerman writes: >>> Anju T Sudhakar writes: >>> Add a kernel command line parameter option to disable In-Memory Collection (IMC) counters and add documentation. Thi

Re: [PATCH] powerpc/powernv: Add kernel cmdline parameter to disable imc

2017-10-12 Thread Madhavan Srinivasan
On Thursday 12 October 2017 01:21 PM, Stewart Smith wrote: Anju T Sudhakar writes: On Wednesday 11 October 2017 01:55 AM, Stewart Smith wrote: Michael Ellerman writes: Anju T Sudhakar writes: Add a kernel command line parameter option to disable In-Memory Collection (IMC) counters and a

Re: [PATCH] powerpc/powernv: Add kernel cmdline parameter to disable imc

2017-10-12 Thread Stewart Smith
Anju T Sudhakar writes: > On Wednesday 11 October 2017 01:55 AM, Stewart Smith wrote: >> Michael Ellerman writes: >>> Anju T Sudhakar writes: >>> Add a kernel command line parameter option to disable In-Memory Collection (IMC) counters and add documentation. This helps in debug. >>> I'

Re: [PATCH] powerpc/powernv: Add kernel cmdline parameter to disable imc

2017-10-11 Thread Anju T Sudhakar
Hi mpe, stewart, On Wednesday 11 October 2017 01:55 AM, Stewart Smith wrote: Michael Ellerman writes: Anju T Sudhakar writes: Add a kernel command line parameter option to disable In-Memory Collection (IMC) counters and add documentation. This helps in debug. I'd really rather we didn't.

Re: [PATCH] powerpc/powernv: Add kernel cmdline parameter to disable imc

2017-10-10 Thread Stewart Smith
Michael Ellerman writes: > Anju T Sudhakar writes: > >> Add a kernel command line parameter option to disable In-Memory Collection >> (IMC) counters and add documentation. This helps in debug. > > I'd really rather we didn't. Do we *really* need this? > > We don't have command line parameters to

Re: [PATCH] powerpc/powernv: Add kernel cmdline parameter to disable imc

2017-10-10 Thread Michael Ellerman
Anju T Sudhakar writes: > Add a kernel command line parameter option to disable In-Memory Collection > (IMC) counters and add documentation. This helps in debug. I'd really rather we didn't. Do we *really* need this? We don't have command line parameters to disable any of the other ~20 PMUs, wh