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Jv add retries for probes #52

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Jv add retries for probes #52

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8cbea56
X-Smart-Branch-Parent: master
JoukoVirtanen Jun 13, 2023
1c884b1
Added probe retries for ebpf
JoukoVirtanen Jun 13, 2023
fdff512
Trying up to 10 times
JoukoVirtanen Jun 13, 2023
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9 changes: 8 additions & 1 deletion userspace/libscap/engine/bpf/scap_bpf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -122,7 +122,14 @@ static const char *g_filler_names[PPM_FILLER_MAX] = {

static int sys_bpf(enum bpf_cmd cmd, union bpf_attr *attr, unsigned int size)
{
return syscall(__NR_bpf, cmd, attr, size);

for (int i = 0; i < 10; i++) {
int err = syscall(__NR_bpf, cmd, attr, size);
if (err) break;
}

return err;

}

static int sys_perf_event_open(struct perf_event_attr *attr,
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