fix ascend profiler timeline precision issue #6165

Job	Run time
Rsync code	9m 58s
Deploy_on_tag	0s
runs on nv step1 / Build-dipu-cuda	2m 4s
runs on nv step1 / Run tidy (cuda)	1s
Build-dipu-camb-latest-target	1s
Build-dipu-camb-pt210	1s
Build-dipu-camb	1s
Build-dipu-camb-pt211	1s
Build-dipu-pytorch-for-ascend-910b	1s
runs on nv step2	1s
Test-dipu-camb-latest-target	1s
Test-dipu-camb	1s
Test-dipu-camb-pt211	1s
Test-one-iter-camb	1s
Build-dipu-ascend-latest-target-910b	1s
Build-dipu-ascend-910b	1s
Build-dicp-on-dipu-ascend	1s
Test-dipu-ascend-910b	1s
Test-dipu-ascend-latest-target-910b	1s
Test-dicp-on-dipu-ascend	1s
Test-one-iter-ascend-910b	1s
	12m 20s

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