Function report |
Source Code:kernel\trace\trace_hwlat.c |
Create Date:2022-07-28 12:11:00 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:_tracefs - A function to initialize the tracefs interface files* This function creates entries in tracefs for "hwlat_detector"
Proto:static int init_tracefs(void)
Type:int
Parameter:Nothing
538 | top_dir = tracefs_create_dir("hwlat_detector", d_tracer) |
542 | sample window us = tracefs_create_file("window", 0640, top_dir, & al sampling window (on+off) , & window_fops) |
546 | If Not sample window us Then Go to err |
549 | sample width us = tracefs_create_file("width", 0644, top_dir, & active sampling portion of window , & width_fops) |
553 | If Not sample width us Then Go to err |
556 | Return 0 |
558 | err : |
560 | Return -ENOMEM |
Name | Describe |
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init_hwlat_tracer |
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