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|
set m1 0
set m2 0
spawn stap backtrace.stp
#exp_internal 1
expect {
-timeout 240
"Systemtap probe: begin\r\n" {
pass "backtrace of begin probe"
exec echo 0 > /proc/stap_test_cmd
exp_continue
}
-re {^backtrace from module\(\"systemtap_test_module2\"\)\.function\(\"yyy_func3@[^\r\n]+\r\n} {
incr m1
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : yyy_func3[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m1 == 1} {incr m1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m1 == 2} {incr m1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m1 == 3} {incr m1}
}
}
exp_continue
}
-re {.*---\r\nthe stack is 0x[a-f0-9]+ [^\r\n]+\r\n} {
incr m2
expect {
-timeout 5
-re {.*0x[a-f0-9]+ : yyy_func3[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m2 == 1} {incr m2}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m2 == 2} {incr m2}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m2 == 3} {incr m2}
}
}
}
eof {fail "backtrace of yyy_func3. unexpected EOF" }
}
send "\003"
if {$m1 == 4} {
pass "backtrace of yyy_func3"
} else {
fail "backtrace of yyy_func3"
}
if {$m2 == 4} {
pass "print_stack of yyy_func3"
} else {
fail "print_stack of yyy_func3 ($m2)"
}
close
wait
|
