syscall.sh / arm64 / perf_event_open

perf_event_open

set up performance monitoring

sys_perf_event_open(struct perf_event_attr *attr_uptr, pid_t pid, int cpu, int group_fd, unsigned long flags)
number241 (0xf1)
abicommon
entry pointsys_perf_event_open
sinceLinux 3.7
man pageperf_event_open(2)
sourceelixir.bootlin.com

Registers

registervalue
x8241, the syscall number
x0struct perf_event_attr *attr_uptr
x1pid_t pid
x2int cpu
x3int group_fd
x4unsigned long flags
x0the return value

Then run svc #0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/arm64/perf_event_open