Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\ring_buffer.c Create Date:2022-07-28 11:54:52
Last Modify:2020-03-17 19:30:04 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:g_buffer_commit_overrun_cpu - get the number of overruns caused by* commits failing due to the buffer wrapping around while there are uncommitted* events, such as during an interrupt storm

Proto:unsigned long ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu)

Type:unsigned long

Parameter:

TypeParameterName
struct ring_buffer *buffer
intcpu
3448  If Not pumask_test_cpu - test for a cpu in a cpumask*@cpu: cpu number (< nr_cpu_ids)*@cpumask: the cpumask pointer* Returns 1 if @cpu is set in @cpumask, else returns 0 Then Return 0
3451  cpu_buffer = buffers[cpu]
3452  ret = local_read( & commit_overrun)
3454  Return ret
Caller
NameDescribe
tracing_stats_read