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|
set test "perf"
if {! [installtest_p]} { untested "$test"; return }
if {! [perf_probes_p]} { untested "$test"; return }
proc cleanup_handler { verbose } {
catch {exec rm -f towers.x}
}
set stap_path $env(SYSTEMTAP_PATH)/stap
set exepath "[pwd]/towers.x"
set subtest "process()"
set res [target_compile $srcdir/$subdir/towers.c $exepath executable ""]
if { $res != "" } {
verbose "target_compile failed: $res" 2
fail "$test compiling towers.c"
cleanup_handler $verbose
return
} else {
pass "$test compiling towers.c"
}
spawn $stap_path $srcdir/$subdir/perf01.stp $exepath -c $exepath
# there is no "XXX" process so this probe should have been ignored
set ok 0
expect {
-timeout 180
-re {^towers_n=0x[0-9a-f]{2,}\r\n} { incr ok; exp_continue }
-re {^XXX_n=0x0\r\n} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
catch {close}; catch {wait}
if {$ok == 2} {
pass "$test $subtest"
} else {
fail "$test $subtest ($ok)"
}
set subtest "process"
spawn $stap_path $srcdir/$subdir/perf02.stp -c $exepath
set ok 0
expect {
-timeout 180
-re {^towers_n=0x[0-9a-f]{2,}\r\n} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
catch {close}; catch {wait}
if {$ok == 1} {
pass "$test $subtest"
} else {
fail "$test $subtest ($ok)"
}
set subtest "counter"
target_compile $srcdir/$subdir/towers.c $exepath executable "additional_flags=-g"
if {! [uprobes_p]} {
untested "$test $subtest"
} else {
spawn $stap_path $srcdir/$subdir/perf03.stp $exepath -c $exepath
set ok 0
expect {
-timeout 180
-re {^count main=1\r\n} { incr ok; exp_continue }
-re {^count towers=500\r\n} { incr ok; exp_continue }
-re {^min main=[0-9]{6,}\r\n} { incr ok; exp_continue }
-re {^min towers=[0-9]{6,}\r\n} { incr ok; exp_continue }
-re {^max main=[0-9]{6,}\r\n} { incr ok; exp_continue }
-re {^max towers=[0-9]{9,}\r\n} { incr ok; exp_continue }
-re {^WARNING:[^\r]*not supported by this kernel[^\r]*\r\n} {
# If this type of perf probe isn't supported by this kernel,
# kfail the test.
setup_kfail 15727 *-*-*; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
catch {close}; catch {wait}
spawn $stap_path -W $srcdir/$subdir/perf04.stp $exepath -c $exepath
expect {
-timeout 180
-re {^count main=1\r\n} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
catch {close}; catch {wait}
if {$ok == 7} {
pass "$test $subtest"
} else {
fail "$test $subtest ($ok)"
}
}
set subtest "global"
spawn $stap_path $srcdir/$subdir/perf05.stp
set ok 0
expect {
-timeout 180
-re {^hit=0x1\r\n} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
catch {close}; catch {wait}
if {$ok == 1} {
pass "$test $subtest"
} else {
fail "$test $subtest ($ok)"
}
set subtest "counter order"
spawn $srcdir/$subdir/perf.sh $stap_path
expect {
-timeout 180
-re {PASS: [0-9 ]+} { regexp " .*$" $expect_out(0,string) s;
pass "$subtest $s"; exp_continue }
-re {UNRESOLVED: [0-9 ]+} { regexp " .*$" $expect_out(0,string) s;
unresolved "$subtest $s"; exp_continue }
-re {FAIL: [0-9 ]+} { regexp " .*$" $expect_out(0,string) s;
fail "$subtest $s"; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
catch {close}; catch {wait}
cleanup_handler $verbose
|
