Function report |
Source Code:arch\x86\kernel\cpu\aperfmperf.c |
Create Date:2022-07-28 07:56:37 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:arch_freq_prepare_all
Proto:void arch_freq_prepare_all(void)
Type:void
Parameter:Nothing
| 99 | bool wait = false |
| 102 | If Not TSC clocks / usec, not used here Then Return |
| 105 | If Not boot_cpu_has(P-State hardware coordination feedback capability (APERF/MPERF MSRs) ) Then Return |
| 108 | for_each_online_cpu(cpu) |
| 109 | If Not housekeeping_cpu(cpu, HK_FLAG_MISC) Then Continue |
| 111 | If Not aperfmperf_snapshot_cpu(cpu, now, false) Then wait = true |
| 115 | If wait Then msleep(APERFMPERF_REFRESH_DELAY_MS) |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |