1 .. SPDX-License-Identifier: GPL-2.0
2
3 ============================================
4 Ampere SoC Performance Monitoring Unit (PMU)
5 ============================================
6
7 Ampere SoC PMU is a generic PMU IP that follow
8 Therefore, the driver is implemented as a subm
9 first phase it's used for counting MCU events
10
11
12 MCU PMU events
13 --------------
14
15 The PMU driver supports setting filters for "r
16 Note, that the filters are per PMU instance ra
17
18
19 Example for perf tool use::
20
21 / # perf list ampere
22
23 ampere_mcu_pmu_0/act_sent/
24 <...>
25 ampere_mcu_pmu_1/rd_sent/
26 <...>
27
28 / # perf stat -a -e ampere_mcu_pmu_0/act_sen
29 sleep 1
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