Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-20 Thread Chunyan Zhang
On Tue, Jun 7, 2016 at 6:04 PM, Alexander Shishkin wrote: > Chunyan Zhang writes: > >> This patch is introducing a new function to print Ftrace messages >> to STM buffer when the traces happen. In order to reduce the >> effect on

Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-20 Thread Chunyan Zhang
On Tue, Jun 7, 2016 at 6:04 PM, Alexander Shishkin wrote: > Chunyan Zhang writes: > >> This patch is introducing a new function to print Ftrace messages >> to STM buffer when the traces happen. In order to reduce the >> effect on timing overhead as much as possible, only the current >> function

Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-09 Thread Alexander Shishkin
Chunyan Zhang writes: > On Tue, Jun 7, 2016 at 6:04 PM, Alexander Shishkin > wrote: >> Chunyan Zhang writes: >> >>> This patch is introducing a new function to print Ftrace messages >>> to STM buffer when

Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-09 Thread Alexander Shishkin
Chunyan Zhang writes: > On Tue, Jun 7, 2016 at 6:04 PM, Alexander Shishkin > wrote: >> Chunyan Zhang writes: >> >>> This patch is introducing a new function to print Ftrace messages >>> to STM buffer when the traces happen. In order to reduce the >>> effect on timing overhead as much as

Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-08 Thread Chunyan Zhang
On Tue, Jun 7, 2016 at 6:04 PM, Alexander Shishkin wrote: > Chunyan Zhang writes: > >> This patch is introducing a new function to print Ftrace messages >> to STM buffer when the traces happen. In order to reduce the >> effect on

Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-08 Thread Chunyan Zhang
On Tue, Jun 7, 2016 at 6:04 PM, Alexander Shishkin wrote: > Chunyan Zhang writes: > >> This patch is introducing a new function to print Ftrace messages >> to STM buffer when the traces happen. In order to reduce the >> effect on timing overhead as much as possible, only the current >> function

Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-07 Thread Alexander Shishkin
Chunyan Zhang writes: > This patch is introducing a new function to print Ftrace messages > to STM buffer when the traces happen. In order to reduce the > effect on timing overhead as much as possible, only the current > function and its parent ip address will be

Re: [RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-07 Thread Alexander Shishkin
Chunyan Zhang writes: > This patch is introducing a new function to print Ftrace messages > to STM buffer when the traces happen. In order to reduce the > effect on timing overhead as much as possible, only the current > function and its parent ip address will be recorded into STM in > this

[RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-01 Thread Chunyan Zhang
This patch is introducing a new function to print Ftrace messages to STM buffer when the traces happen. In order to reduce the effect on timing overhead as much as possible, only the current function and its parent ip address will be recorded into STM in this patch. This idea was first

[RFC PATCH 2/4] trace: Introduce an output interface from ftrace to STM

2016-06-01 Thread Chunyan Zhang
This patch is introducing a new function to print Ftrace messages to STM buffer when the traces happen. In order to reduce the effect on timing overhead as much as possible, only the current function and its parent ip address will be recorded into STM in this patch. This idea was first