Function report |
Source Code:arch\x86\kernel\cpu\aperfmperf.c |
Create Date:2022-07-28 07:56:36 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:aperfmperf_get_khz
Proto:unsigned int aperfmperf_get_khz(int cpu)
Type:unsigned int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| int | cpu |
| 83 | If Not TSC clocks / usec, not used here Then Return 0 |
| 86 | If Not boot_cpu_has(P-State hardware coordination feedback capability (APERF/MPERF MSRs) ) Then Return 0 |
| 89 | If Not housekeeping_cpu(cpu, HK_FLAG_MISC) Then Return 0 |
| 92 | aperfmperf_snapshot_cpu(cpu, ktime_get(), true) |
| Name | Describe |
|---|---|
| show_cpuinfo |
| 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 |