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|
set m1 0
set m2 0
set m3 0
set m4 0
set m5 0
set m6 0
set module1 0
set kernel 0
set script_exit 0
set eof_found 0
spawn stap -d kernel -d systemtap_test_module1 $srcdir/$subdir/backtrace.stp
#exp_internal 1
expect {
-timeout 120
"<no kernel backtrace at begin>\r\n" {
pass "backtrace of begin probe"
sleep 1
exec echo 0 > /proc/stap_test_cmd
exp_continue
}
-re {^WARNING: Missing unwind data for a module[^\r\n]*\r\n} { exp_continue }
#backtrace from yyy_func2
-re {^backtrace from module\(\"systemtap_test_module2\"\)\.function\(\"yyy_func2@[^\r\n]+\r\n} {
incr m1
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m1 == 1} {incr m1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m1 == 2} {incr m1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : stm_write_cmd[^\[]+\[systemtap_test_module1\]\r\n} {
if {$m1 == 3} {incr module1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : [a-z_]+[^\[]+\[kernel\]\r\n} {
if {$module1 == 1} {incr kernel}
# we expect at least one [kernel] frame, maybe more.
}
eof { set eof_found 1; fail "early test shutdown (m1 eof)" }
}
if {! $eof_found} { exp_continue }
}
-re {.*--- yyy_func2 ---\r\nthe stack is 0x[a-f0-9]+ [^\r\n]+\r\n} {
incr m2
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m2 == 1} {incr m2}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m2 == 2} {incr m2}
exp_continue
}
-re {^ 0x[a-f0-9]+ : stm_write_cmd[^\[]+\[systemtap_test_module1\]\r\n} {
if {$m2 == 3} {incr module1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : [a-z_]+[^\[]+\[kernel\]\r\n} {
if {$module1 == 2} {incr kernel}
# we expect at least one [kernel] frame, maybe more.
}
eof { set eof_found 1; fail "early test shutdown (m2 eof)" }
}
if {! $eof_found} { exp_continue }
}
#backtrace from yyy_func3
-re {.*backtrace from module\(\"systemtap_test_module2\"\)\.function\(\"yyy_func3@[^\r\n]+\r\n} {
incr m3
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : yyy_func3[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m3 == 1} {incr m3}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m3 == 2} {incr m3}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m3 == 3} {incr m3}
exp_continue
}
-re {^ 0x[a-f0-9]+ : stm_write_cmd[^\[]+\[systemtap_test_module1\]\r\n} {
if {$m3 == 4} {incr module1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : [a-z_]+[^\[]+\[kernel\]\r\n} {
if {$module1 == 3} {incr kernel}
# we expect at least one [kernel] frame, maybe more.
}
eof { set eof_found 1; fail "early test shutdown (m3 eof)" }
}
if {! $eof_found} { exp_continue }
}
-re {.*--- yyy_func3 ---\r\nthe stack is 0x[a-f0-9]+ [^\r\n]+\r\n} {
incr m4
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : yyy_func3[^\[]+\[systemtap_test_module2\]\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 {^ 0x[a-f0-9]+ : stm_write_cmd[^\[]+\[systemtap_test_module1\]\r\n} {
if {$m4 == 4} {incr module1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : [a-z_]+[^\[]+\[kernel\]\r\n} {
if {$module1 == 4} {incr kernel}
# we expect at least one [kernel] frame, maybe more.
}
eof { set eof_found 1; fail "early test shutdown (m4 eof)" }
}
if {! $eof_found} { exp_continue }
}
#backtrace from yyy_func4
-re {.*backtrace from module\(\"systemtap_test_module2\"\)\.function\(\"yyy_func4@[^\r\n]+\r\n} {
incr m5
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : yyy_func4[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m5 == 1} {incr m5}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func3[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m5 == 2} {incr m5}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m5 == 3} {incr m5}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m5 == 4} {incr m5}
exp_continue
}
-re {^ 0x[a-f0-9]+ : stm_write_cmd[^\[]+\[systemtap_test_module1\]\r\n} {
if {$m5 == 5} {incr module1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : [a-z_]+[^\[]+\[kernel\]\r\n} {
if {$module1 == 5} {incr kernel}
# we expect at least one [kernel] frame, maybe more.
}
eof { set eof_found 1; fail "early test shutdown (m5 eof)" }
}
if {! $eof_found} { exp_continue }
}
-re {.*--- yyy_func4 ---\r\nthe stack is 0x[a-f0-9]+ [^\r\n]+\r\n} {
incr m6
expect {
-timeout 5
-re {^ 0x[a-f0-9]+ : yyy_func4[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m6 == 1} {incr m6}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func3[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m6 == 2} {incr m6}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func2[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m6 == 3} {incr m6}
exp_continue
}
-re {^ 0x[a-f0-9]+ : yyy_func1[^\[]+\[systemtap_test_module2\]\r\n} {
if {$m6 == 4} {incr m6}
exp_continue
}
-re {^ 0x[a-f0-9]+ : stm_write_cmd[^\[]+\[systemtap_test_module1\]\r\n} {
if {$m6 == 5} {incr module1}
exp_continue
}
-re {^ 0x[a-f0-9]+ : [a-z_]+[^\[]+\[kernel\]\r\n} {
if {$module1 == 6} {incr kernel}
# we expect at least one [kernel] frame, maybe more.
}
eof { set eof_found 1; fail "early test shutdown (m6 eof)" }
}
if {! $eof_found} { exp_continue }
}
eof {
# good backtrace.stp called exit().
incr script_exit;
}
}
kill -INT -[exp_pid] 2
if {$m1 == 3} {
pass "backtrace of yyy_func2"
} else {
fail "backtrace of yyy_func2 ($m1)"
}
if {$m2 == 3} {
pass "print_syms of yyy_func2"
} else {
fail "print_syms of yyy_func2 ($m2)"
}
if {$m3 == 4} {
pass "backtrace of yyy_func3"
} else {
fail "backtrace of yyy_func3 ($m3)"
}
if {$m4 == 4} {
pass "print_syms of yyy_func3"
} else {
fail "print_syms of yyy_func3 ($m4)"
}
if {$m5 == 5} {
pass "backtrace of yyy_func4"
} else {
fail "backtrace of yyy_func4 ($m5)"
}
if {$m6 == 5} {
pass "print_syms of yyy_func4"
} else {
fail "print_syms of yyy_func4 ($m6)"
}
if {$module1 == 6} {
pass "print_syms found systemtap_test_module1"
} else {
fail "print_syms didn't find systemtap_test_module1 ($module1)"
}
if {$kernel >= 6} {
pass "print_syms found \[kernel\]"
} else {
fail "print_syms didn't find \[kernel\] ($kernel)"
}
if {$script_exit == 1} {
pass "backtrace.stp called exit"
} else {
fail "backtrace.stp didn't call exit ($script_exit)"
}
catch { close }
catch { wait }
|
