diff options
| author | Paul Buetow <paul@buetow.org> | 2025-03-06 20:38:16 +0200 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2025-03-06 20:38:16 +0200 |
| commit | 90d59424ad047dd9fd58ee11c5b04383be4995f8 (patch) | |
| tree | 87805eebdd2fa41a683c2b5fe8a494f50cfd0d62 | |
| parent | 89ddaabb485dfaf21b90c5138c269fb6e3300ef7 (diff) | |
TID filter works
| -rw-r--r-- | internal/c/filter.c | 13 | ||||
| -rw-r--r-- | internal/flags/flags.go | 2 |
2 files changed, 3 insertions, 12 deletions
diff --git a/internal/c/filter.c b/internal/c/filter.c index 7ce0e6a..19e2c1b 100644 --- a/internal/c/filter.c +++ b/internal/c/filter.c @@ -8,18 +8,9 @@ static __always_inline int filter(__u32 *pid, __u32 *tid) { *pid = pid_tgid >> 32; *tid = pid_tgid & 0xFFFFFFFF; - if (PID_FILTER == *pid) { - if (TID_FILTER == *tid) { + if (-1 == PID_FILTER || *pid == PID_FILTER) { + if (-1 == TID_FILTER || *tid == TID_FILTER) return ACCEPT; - } else if (TID_FILTER == -1) { - return ACCEPT; - } - } else if (PID_FILTER == -1) { - if (TID_FILTER == *tid) { - return ACCEPT; - } else if (TID_FILTER == -1) { - return ACCEPT; - } } return FILTER; diff --git a/internal/flags/flags.go b/internal/flags/flags.go index 842c7d5..5596ea5 100644 --- a/internal/flags/flags.go +++ b/internal/flags/flags.go @@ -28,7 +28,7 @@ func (flags Flags) SetBPF(bpfModule *bpf.Module) error { return fmt.Errorf("unable to set up PID_FILTER global variable: %w", err) } fmt.Println("Setting TID_FILTER to", flags.TidFilter) - if err := bpfModule.InitGlobalVariable("TID_FILTER", uint32(flags.PidFilter)); err != nil { + if err := bpfModule.InitGlobalVariable("TID_FILTER", uint32(flags.TidFilter)); err != nil { return fmt.Errorf("unable to set up TID_FILTER global variable: %w", err) } return nil |