Merge pull request !842 from TonyNG/bugfix/image_error_code

Merge pull request !816 from TonyNG/master

Merge pull request !831 from 张毅辉/zyh_profiler_restful

fix UT

del unused arguments

fix UT

explainer_api UT change to pytest style

fix UT url

explainer encapsulator UT change to pytest style

remove unnecessary deepcopy

remove import copy

fix some coding style issues

Merge pull request !795 from TonyNG/master

1. add cli entry
2. add more validation for hyper config
3. add validator for config dict
4. add st for optimizer config validator
5. add custom lineage for hyper config

json return null if ExplainManager returns None

use fromtimestamp

use fromtimestamp

wrong name

wrong json key

use offset as page offset

enhance comments

rm mock_explainer_api.py

update copyright year 2020

remove unused import

Merge pull request !722 from luopengting/fix_lineage

1. clean redundant code in lineage parsing and querier

2. delete get_summary_lineage()

3. modify related st and ut to use data_manager

Merge pull request !638 from luopengting/optimizer_open

Merge pull request !608 from gzhcv/bugfix

Merge pull request !601 from LiHongzhang/fix_caching

1. add functions for calculating target buckets and params importances
2. add restful api for target buckets, importances and metadata

Merge pull request !525 from yuximiao/yuximiao_gpu_profiler

If the env or gunicorn has some error, there will not be any error in console
or error log file when we set the subprocss stdout to devnull.
So I set it to None it will inhert its parent process stdout.
When gunicorn cause error, it will show error in console.

- collect_cpu
- collect_mem
- collect_npu

1. To accelerate summary file parsing, multiple processes are used. As the first step to mindinsight parsing performance optimization, we only made changes to _load_single_file function.

2. This PR will imporve summary parsing throughput dramatically (about cpu_count times)

3. Changes are mainly about _load_single_file function

In the future, a more global concurrent computing framework is needed for mindinsight. See the gitee wiki doc for details.

Merge pull request !370 from chenchao99/profiler_analyser

Merge pull request !374 from zhangyunshu/zys_timeline_fixed_fuzz