diff options
| -rw-r--r-- | testsuite/systemtap.printf/ring_buffer.exp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/testsuite/systemtap.printf/ring_buffer.exp b/testsuite/systemtap.printf/ring_buffer.exp new file mode 100644 index 00000000..ad1bee2e --- /dev/null +++ b/testsuite/systemtap.printf/ring_buffer.exp @@ -0,0 +1,32 @@ +# Basic ring_buffer test. + +proc ring_buffer_p {} { + set path "/proc/kallsyms" + if {! [catch {exec grep -q ring_buffer_consume $path} dummy]} { + return 1 + } else { + return 0 + } +} + +set script { + probe begin { + printf("systemtap starting probe\n") + exit() + } + probe end { + printf("systemtap ending probe\n") + printf("Hello") + printf("World\n") + } +} +set output "HelloWorld\r\n" + +set TEST_NAME "RING_BUFFER" +if {![installtest_p]} { + untested "$TEST_NAME" +} elseif {![ring_buffer_p]} { + untested "$TEST_NAME : no kernel ring_buffer support found" +} else { + stap_run $TEST_NAME no_load $output -DSTP_USE_RING_BUFFER -e $script +} |