misc: rename status_map to init_map

crates/bpf-common/include/output.bpf.h

@@ -47,7 +47,7 @@ struct {
   __uint(max_entries, 1);
 } temp_map SEC(".maps");
 
-// The status map contains configuration status for the eBPF program:
+// The init map contains configuration status for the eBPF program:
 // - The STATUS_INITIALIZED entry indicates the perf event array initialization
 //   status. On startup it's set to 0, when the userspace program opens the perf
 //   event array it's set to 1. The eBPF program emits events only when it's 1.
@@ -57,7 +57,7 @@ struct {
   __type(key, u32);
   __type(value, u32);
   __uint(max_entries, 1);
-} status_map SEC(".maps");
+} init_map SEC(".maps");
 
 // Get the temporary buffer inside temp_map as a void pointer, this can be cast
 // to the required event type and filled before submitting it for output. The
@@ -76,7 +76,7 @@ static __always_inline void output_event(void *ctx, void *output_map,
                                          void *event, int struct_len,
                                          int buffer_len) {
   u32 key = STATUS_INITIALIZED;
-  u32 *initialization_status = bpf_map_lookup_elem(&status_map, &key);
+  u32 *initialization_status = bpf_map_lookup_elem(&init_map, &key);
   if (!initialization_status || !*initialization_status) {
     // The userspace is not ready yet for events on the perf event array
     return;

crates/bpf-common/src/program.rs

@@ -338,10 +338,10 @@ impl Program {
             .take_map(map_name)
             .ok_or_else(|| ProgramError::MapNotFound(map_name.to_string()))?;
         let mut perf_array: AsyncPerfEventArray<_> = AsyncPerfEventArray::try_from(map_resource)?;
-        let mut status_map = Array::try_from(
+        let mut init_map = Array::try_from(
             self.bpf
-                .take_map("status_map")
-                .ok_or_else(|| ProgramError::MapNotFound("status_map".to_string()))?,
+                .take_map("init_map")
+                .ok_or_else(|| ProgramError::MapNotFound("init_map".to_string()))?,
         )?;
 
         let buffers = online_cpus()
@@ -401,7 +401,7 @@ impl Program {
         }
 
         // Signal eBPF program we're ready by setting STATUS_INITIALIZED
-        if let Err(err) = status_map.set(0, 1_u32, 0) {
+        if let Err(err) = init_map.set(0, 1_u32, 0) {
             log::warn!(
                 "Error setting STATUS_INITIALIZED for {}: {:?}",
                 self.name,