函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-27 14:59:57
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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函数名称：perf_pmu_cancel_txn

函数原型：static void perf_pmu_cancel_txn(struct pmu *pmu)

返回类型：void

参数：

类型参数名称
struct pmu *pmu
10093  flags等于Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(nop_txn_flags)
10095  __this_cpu_write(nop_txn_flags, 0)
10097  如果flags按位与xn to add/schedule event on PMU 的反则返回
10100  perf_pmu_enable(pmu)