syscall.sh / mipso32 / 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)
number4333 (0x10ed)
abio32
entry pointsys_perf_event_open
sinceLinux 5.0
man pageperf_event_open(2)
sourceelixir.bootlin.com

Registers

registervalue
v04333, the syscall number
a0struct perf_event_attr *attr_uptr
a1pid_t pid
a2int cpu
a3int group_fd
sp+16unsigned long flags
v0the return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/mipso32/perf_event_open