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|
set m1 0
set m2 0
set m3 0
set m4 0
set m5 0
set m6 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 call stack is 0x[a-f0-9]+ [^\r\n]+\r\n} {
incr m2
expect {
-timeout 5
-re {.*---\r\n 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}
}
}
exp_continue
}
-re {.*backtrace from module\(\"systemtap_test_module2\"\)\.function\(\"yyy_func4@[^\r\n]+\r\n} {
incr m3
expect {
-timeout 5
-re {^Returning from: 0x[a-f0-9]+ : yyy_func4[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m3 == 1} {incr m3}
exp_continue
}
-re {^Returning to : 0x[a-f0-9]+ : yyy_func3[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m3 == 2} {incr m3}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m3 == 3} {incr m3}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m3 == 4} {incr m3}
}
}
exp_continue
}
-re {.*---\r\nthe return stack is 0x[a-f0-9]+ [^\r\n]+\r\n} {
incr m4
expect {
-timeout 5
-re {.*0x[a-f0-9]+ : kretprobe_trampoline_holder[^\[]+\[\]\r\n} {
if {$m4 == 1} {incr m4}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m4 == 2} {incr m4}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m4 == 3} {incr m4}
}
}
exp_continue
}
-re {.*backtrace from timer.profile:\r\n} {
incr m5
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : [^\r\n]+\r\n 0x[a-f0-9]+ : [^\r\n]+\r\n} {
if {$m5 == 1} {incr m5}
}
}
exp_continue
}
-re {.*---\r\nthe profile stack is 0x[a-f0-9]+ [^\r\n]+\r\n} {
incr m6
expect {
-timeout 5
-re {.*---\r\n 0x[a-f0-9]+ : [^\r\n]+\r\n 0x[a-f0-9]+ : [^\r\n]+\r\n} {
if {$m6 == 1} {incr m6}
}
}
}
eof {fail "backtrace of yyy_func3, yyy_func4.return and timer.profile. unexpected EOF" }
}
send "\003"
if {$m1 == 4} {
pass "backtrace of yyy_func3"
} else {
fail "backtrace of yyy_func3 ($m1)"
}
if {$m2 == 4} {
pass "print_stack of yyy_func3"
} else {
fail "print_stack of yyy_func3 ($m2)"
}
if {$m3 == 5} {
pass "backtrace of yyy_func4.return"
} else {
fail "backtrace of yyy_func4.return ($m3)"
}
if {$m4 == 4} {
pass "print_stack of yyy_func4.return"
} else {
fail "print_stack of yyy_func4.return ($m4)"
}
if {$m5 == 2} {
pass "backtrace of timer.profile"
} else {
fail "backtrace of timer.profile ($m5)"
}
if {$m6 == 2} {
pass "print_stack of timer.profile"
} else {
fail "print_stack of timer.profile ($m6)"
}
close
wait
|
