diff options
Diffstat (limited to 'integrationtests/retbytes_test.go')
| -rw-r--r-- | integrationtests/retbytes_test.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/integrationtests/retbytes_test.go b/integrationtests/retbytes_test.go index 37eb45b..a7cb45a 100644 --- a/integrationtests/retbytes_test.go +++ b/integrationtests/retbytes_test.go @@ -2,7 +2,7 @@ package integrationtests import "testing" -var retbytesTraceArgs = []string{"-trace-syscalls", "sendto,recvfrom,sendmsg,recvmsg,sendmmsg,recvmmsg,sendfile64,splice,tee,process_vm_writev,process_vm_readv,socketpair,pipe2,openat,write,read,close,lseek,fcntl,unlinkat,mkdirat,getdents64"} +var retbytesTraceArgs = []string{"-trace-syscalls", "sendto,recvfrom,sendmsg,recvmsg,sendmmsg,recvmmsg,sendfile64,splice,tee,process_vm_writev,process_vm_readv,socketpair,pipe2,openat,write,read,close,lseek,fcntl,unlinkat,mkdirat,getdents64,readlinkat,symlink"} func TestRetbytesPhaseA(t *testing.T) { const payloadLen = uint64(18) @@ -20,6 +20,7 @@ func TestRetbytesPhaseA(t *testing.T) { {Tracepoint: "enter_process_vm_writev", Comm: "ioworkload", MinCount: 1}, {Tracepoint: "enter_process_vm_readv", Comm: "ioworkload", MinCount: 1}, {Tracepoint: "enter_getdents64", Comm: "ioworkload", MinCount: 1}, + {Tracepoint: "enter_readlinkat", Comm: "ioworkload", MinCount: 1}, }, retbytesTraceArgs) for _, tracepoint := range []string{ @@ -51,4 +52,14 @@ func TestRetbytesPhaseA(t *testing.T) { getdentsExp := ExpectedEvent{Tracepoint: "enter_getdents64", Comm: "ioworkload"} assertEventBytesAtLeast(t, result, getdentsExp, 1) assertEventDurationPositive(t, result, getdentsExp) + + // readlinkat is READ_CLASSIFIED: a successful call reports ctx->ret > 0, + // the byte length of the resolved link target written into the caller's + // buffer. The retbytes driver points the symlink at a known non-empty + // target, so the exit byte count is strictly positive. Assert a + // conservative bytes>=1 minimum (the exact target length is deterministic + // but path-dependent across temp dirs, so >=1 is the safest invariant). + readlinkatExp := ExpectedEvent{Tracepoint: "enter_readlinkat", Comm: "ioworkload"} + assertEventBytesAtLeast(t, result, readlinkatExp, 1) + assertEventDurationPositive(t, result, readlinkatExp) } |