hiperf/etc/hiperf.cfg

{
    "jobs": [{
        "name": "param:security.perf_harden=0",
        "condition": "security.perf_harden=0",
        "cmds": [
            "write /proc/sys/kernel/perf_event_max_sample_rate ${hiviewdfx.hiperf.perf_event_max_sample_rate}",
            "write /proc/sys/kernel/perf_cpu_time_max_percent ${hiviewdfx.hiperf.perf_cpu_time_max_percent}",
            "write /proc/sys/kernel/perf_event_mlock_kb ${hiviewdfx.hiperf.perf_event_mlock_kb}"
        ]
    }, {
        "name": "post-init",
        "cmds": [
            "setparam hiviewdfx.hiperf.perf_event_max_sample_rate 100000",
            "setparam hiviewdfx.hiperf.perf_cpu_time_max_percent 25",
            "setparam hiviewdfx.hiperf.perf_event_mlock_kb 516"
        ]
    }]
}