fixup: add safeguard to make sure start_ts exists

Signed-off-by: Florian Lehner <[email protected]>
open-telemetry · Dec 23, 2024 · 0b53ee5 · 0b53ee5
1 parent 6f8ef77
commit 0b53ee5
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diff --git a/support/ebpf/off_cpu.ebpf.c b/support/ebpf/off_cpu.ebpf.c
@@ -74,7 +74,7 @@ int finish_task_switch(struct pt_regs *ctx) {
   u64 ts = bpf_ktime_get_ns();
 
   u64 *start_ts = bpf_map_lookup_elem(&sched_times, &pid_tgid);
-  if (!start_ts){
+  if (!start_ts || *start_ts == 0){
     // There is no information from the sched/sched_switch entry hook.
     return 0;
   }

diff --git a/support/ebpf/tracer.ebpf.release.amd64 b/support/ebpf/tracer.ebpf.release.amd64