* [MLU] add mlu new profiler

* fix format

* no

* maintain old profiler

* fix old dygraph record event

* no

* fix bugs

* fix doc according to review

* fix api doc format

* fix api doc according to review

* fix bug and add unit test

* fix record event bug

* optimize chrome tracing display

* fix bug

* add comment

* add unit test

* fix a bug

* fix

* fix

* fix format

* no

* fix bugs

* fix doc according to review

* fix api doc format

* fix api doc according to review

* fix bug and add unit test

* fix record event bug

* add event record for model profiling

* fix format

* fix format

* fix code example bug

* no

* add profiler statistic

* add profiler feature

* fix bug

* fix bug

* fix bug

* fix bug

* required: gpu

* required: gpu

* fix bug

* required: gpu

* fix ci bug

* fix ci error

* fix ci error

* upgrade document

* fix doc

* fix ci bug

* add doc and fix bug

* nothing

* fix bug

* fix format bug

* modify format

* add deprecated description for old profiler

* fix bug

* fix bug

* fix

* add load_profiler_reuslt doc

* add load_profiler_reuslt doc

* add load_profiler_reuslt doc

* help fix old profiler sample code

* add api doc

* fix format

* fix api doc

* fix api doc format

* fix api doc format

* fix api doc c format

* fix api doc format

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* Set thread name for WorkQueue

* Add thread names

* fix ut
Co-authored-by: Nliutiexing <liutiexing@google.com>

* add new profiler components

* fix bug

* upgrade new profiler

* fix operator.cc

* fix operator.cc

* fix cmakelists.txt

* fix bug

* fix according to pr

* fix bug

* fix cmake

* fix bug

* fix a bug

* fix bug

* fix bug

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* Add host_trace_level env variable

* Revert "Optimize perf of softmax_with_cross_entropy (#39553)"

This reverts commit bbe5228c.
Co-authored-by: Nliutiexing <liutiexing@google.com>
Co-authored-by: NZzSean <18818272991@163.com>

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* update HostTracer

* fix

* update

* update
Co-authored-by: Nliutiexing <liutiexing@google.com>

* add new profiler components

* fix bug

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* add log for Executor

* update the profiler
Co-authored-by: Nliutiexing <liutiexing@google.com>

* fix RecordEvent interface

* modify default level to 4

* update interface use

* add const default trace level

* update operator.cc

* add profiler tree dump code

* add CMakeLists item

* reduce some contents for pr

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* add log for Executor

* Add CudaTracer to trace CUDA events
Co-authored-by: Nliutiexing <liutiexing@google.com>

* add event node implementation

* modify profiler.stop interface

* fix according to review

* fix file mode

* modify class method name in event_node.cc

* modify LLONG_MAX to ULLONG_MAX

* fix ci error

* fix ci error

* fix dependency error

* add event node implementation

* modify profiler.stop interface

* fix according to review

* fix file mode

* modify class method name in event_node.cc

* modify LLONG_MAX to ULLONG_MAX

* fix ci error

* fix ci error

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* split template

* Add Profiler and HostTracer

* update

* update

* update

* updateg

* fix cmake
Co-authored-by: Nliutiexing <liutiexing@google.com>

* add trace event data structure definition

* convert enum item to string for cupti enum explaination

* modify paddle_enforce_eq description

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* os_info update

* update

* update

* update

* update

* update

* fix

* update

* update for windows

* fix windows

* update

* update
Co-authored-by: Nliutiexing <liutiexing@google.com>

* add align for WorkQueue

* add spinlock

* merge develop

* merge

* Add EventsWaiter

* Revert "Add EventsWaiter"

This reverts commit e206173aa9be7401b83a53581627bfaf557c8fb2.

* profiler skeleton

* update

* update

* update
Co-authored-by: Nliutiexing <liutiexing@google.com>