Re: [PATCH -rcu dev 2/2] rcu/dyntick-idle: Add better tracing

2019-09-03 Thread Joel Fernandes
On Tue, Sep 03, 2019 at 01:04:46PM -0700, Paul E. McKenney wrote: > On Fri, Aug 30, 2019 at 12:23:48PM -0400, Joel Fernandes (Google) wrote: > > The dyntick-idle traces are a bit confusing. This patch makes it simpler > > and adds some missing cases such as EQS-enter due to user vs idle mode. > >

Re: [PATCH -rcu dev 2/2] rcu/dyntick-idle: Add better tracing

2019-09-03 Thread Paul E. McKenney
On Fri, Aug 30, 2019 at 12:23:48PM -0400, Joel Fernandes (Google) wrote: > The dyntick-idle traces are a bit confusing. This patch makes it simpler > and adds some missing cases such as EQS-enter due to user vs idle mode. > > Following are the changes: > (1) Add a new context field to

[PATCH -rcu dev 2/2] rcu/dyntick-idle: Add better tracing

2019-08-30 Thread Joel Fernandes (Google)
The dyntick-idle traces are a bit confusing. This patch makes it simpler and adds some missing cases such as EQS-enter due to user vs idle mode. Following are the changes: (1) Add a new context field to trace_rcu_dyntick tracepoint. This context field can be "USER", "IDLE" or "IRQ". (2)