[PATCH v2] powerpc/ftrace: add powerpc timebase as a trace clock source

2015-04-24 Thread Naveen N. Rao
Add a new powerpc-specific trace clock using the timebase register, similar to x86-tsc. This gives us - a fast, monotonic, hardware clock source for trace entries, and - a clock that can be used to correlate events across cpus as well as across hypervisor and guests. Signed-off-by: Naveen N. Rao

Re: [v2] powerpc/ftrace: add powerpc timebase as a trace clock source

2015-08-10 Thread Michael Ellerman
On Fri, 2015-24-04 at 08:54:44 UTC, "Naveen N. Rao" wrote: > Add a new powerpc-specific trace clock using the timebase register, > similar to x86-tsc. This gives us > - a fast, monotonic, hardware clock source for trace entries, and > - a clock that can be used to correlate events across cpus as we

Re: [PATCH v2] powerpc/ftrace: add powerpc timebase as a trace clock source

2015-04-24 Thread Steven Rostedt
On Fri, 24 Apr 2015 14:24:44 +0530 "Naveen N. Rao" wrote: > Add a new powerpc-specific trace clock using the timebase register, > similar to x86-tsc. This gives us > - a fast, monotonic, hardware clock source for trace entries, and > - a clock that can be used to correlate events across cpus as w

Re: [PATCH v2] powerpc/ftrace: add powerpc timebase as a trace clock source

2015-07-30 Thread Naveen N. Rao
On 2015/04/24 02:24PM, Naveen N Rao wrote: > Add a new powerpc-specific trace clock using the timebase register, > similar to x86-tsc. This gives us > - a fast, monotonic, hardware clock source for trace entries, and > - a clock that can be used to correlate events across cpus as well as across >