Re: [PATCH V2 1/7] trace/events: Add gup trace events

2015-12-03 Thread Shi, Yang
On 12/2/2015 8:07 PM, Steven Rostedt wrote: On Wed, 2 Dec 2015 14:53:27 -0800 Yang Shi wrote: page-faults events record the invoke to handle_mm_fault, but the invoke may come from do_page_fault or gup. In some use cases, the finer event count mey be needed, so add trace events support for:

Re: [PATCH V2 1/7] trace/events: Add gup trace events

2015-12-03 Thread Shi, Yang
On 12/2/2015 8:07 PM, Steven Rostedt wrote: On Wed, 2 Dec 2015 14:53:27 -0800 Yang Shi wrote: page-faults events record the invoke to handle_mm_fault, but the invoke may come from do_page_fault or gup. In some use cases, the finer event count mey be needed, so add trace

Re: [PATCH V2 1/7] trace/events: Add gup trace events

2015-12-02 Thread Steven Rostedt
On Wed, 2 Dec 2015 14:53:27 -0800 Yang Shi wrote: > page-faults events record the invoke to handle_mm_fault, but the invoke > may come from do_page_fault or gup. In some use cases, the finer event count > mey be needed, so add trace events support for: > > __get_user_pages >

[PATCH V2 1/7] trace/events: Add gup trace events

2015-12-02 Thread Yang Shi
page-faults events record the invoke to handle_mm_fault, but the invoke may come from do_page_fault or gup. In some use cases, the finer event count mey be needed, so add trace events support for: __get_user_pages __get_user_pages_fast fixup_user_fault Signed-off-by: Yang Shi ---

Re: [PATCH V2 1/7] trace/events: Add gup trace events

2015-12-02 Thread Steven Rostedt
On Wed, 2 Dec 2015 14:53:27 -0800 Yang Shi wrote: > page-faults events record the invoke to handle_mm_fault, but the invoke > may come from do_page_fault or gup. In some use cases, the finer event count > mey be needed, so add trace events support for: > > __get_user_pages

[PATCH V2 1/7] trace/events: Add gup trace events

2015-12-02 Thread Yang Shi
page-faults events record the invoke to handle_mm_fault, but the invoke may come from do_page_fault or gup. In some use cases, the finer event count mey be needed, so add trace events support for: __get_user_pages __get_user_pages_fast fixup_user_fault Signed-off-by: Yang Shi