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|
set test "static_user_markers"
# Test miscellaneous features of .mark probes
# Compile a C program to use as the user-space probing target
set sup_srcpath "[pwd]/static_user_markers.c"
set sup_exepath "[pwd]/static_user_markers.x"
set supcplus_exepath "[pwd]/static_user_markers_cplus.x"
set fp [open $sup_srcpath "w"]
puts $fp "
#include <stdlib.h>
#define USE_STAP_PROBE 1
#include \"static_user_markers_.h\"
void
bar (int i)
{
STATIC_USER_MARKERS_TEST_PROBE_2(i);
if (i == 0)
i = 1000;
STAP_PROBE1(static_uprobes,test_probe_2,i);
}
void
baz (int i, char* s)
{
STAP_PROBE1(static_uprobes,test_probe_0,i);
if (i == 0)
i = 1000;
STATIC_USER_MARKERS_TEST_PROBE_3(i,s);
}
void
buz (int parm)
{
if (parm == 0)
parm = 1000;
DTRACE_PROBE1(static_user_markers,test_probe_4,parm);
}
int
main ()
{
bar(2);
baz(3,(char*)\"abc\");
buz(4);
}
"
close $fp
set sup_stppath "[pwd]/static_user_markers.stp"
set fp [open $sup_stppath "w"]
puts $fp "
probe process(\"static_user_markers.x\").mark(\"test_probe_0\")
{
printf(\"In test_probe_0 probe %#x\\n\", \$arg1)
}
probe process(\"static_user_markers.x\").mark(\"test_probe_2\")
{
printf(\"In test_probe_2 probe %#x\\n\", \$arg1)
}
probe process(\"static_user_markers.x\").mark(\"test_probe_3\")
{
printf(\"In test_probe_3 probe %#x %#x\\n\", \$arg1, \$arg2)
}
probe process(\"static_user_markers.x\").mark(\"test_probe_4\")
{
printf(\"In test_probe_4 dtrace probe %#x\\n\", \$arg1)
}
"
close $fp
set sup_dpath "[pwd]/static_user_markers_.d"
set sup_hpath "[pwd]/static_user_markers_.h"
set fp [open $sup_dpath "w"]
puts $fp "
provider static_user_markers {
probe test_probe_1 ();
probe test_probe_2 (int i);
probe test_probe_3 (int i, char* x);
probe test_probe_4 (int i);
};
"
close $fp
# Test dtrace
if {[installtest_p]} {
set dtrace $env(SYSTEMTAP_PATH)/dtrace
} else {
set dtrace $srcdir/../dtrace
}
if {[catch {exec $dtrace -h -s $sup_dpath} res]} {
verbose -log "unable to run $dtrace: $res"
}
if {[file exists $sup_hpath]} then {
pass "$test dtrace"
} else {
fail "$test dtrace"
if { $verbose == 0 } {
catch {exec rm -f $sup_srcpath $sup_hpath $sup_stppath}
}
return
}
if {[installtest_p]} {
set sdtdir $env(SYSTEMTAP_INCLUDES)
} else {
set sdtdir $srcdir/../includes
}
set pbtype_flags {{""} {additional_flags=-DEXPERIMENTAL_UTRACE_SDT} {additional_flags=-DEXPERIMENTAL_KPROBE_SDT}}
set pbtype_mssgs {{uprobe} {utrace} {kprobe}}
# Iterate pbtype_flags
for {set i 0} {$i < [llength $pbtype_flags]} {incr i} {
set pbtype_flag [lindex $pbtype_flags $i]
set pbtype_mssg [lindex $pbtype_mssgs $i]
set testprog "sdt.c.exe.$i"
set sup_flags "additional_flags=-I$srcdir/../includes/sys"
set sup_flags "$sup_flags additional_flags=-I$sdtdir"
set sup_flags "$sup_flags additional_flags=-g"
set sup_flags "$sup_flags additional_flags=-O"
set sup_flags "$sup_flags additional_flags=-I. $pbtype_flag"
set res [target_compile $sup_srcpath $sup_exepath executable $sup_flags]
if { $res != "" } {
verbose "target_compile failed: $res" 2
fail "$test compiling -g $pbtype_mssg"
if { $verbose == 0 } {
catch {exec rm -f $sup_srcpath $sup_hpath $sup_stppath}
}
return
} else {
pass "$test compiling -g $pbtype_mssg"
}
if {![installtest_p]} {untested $test; return}
if {![utrace_p]} {
untested "$test"
if { $verbose == 0 } {
catch {exec rm -f $sup_srcpath}
}
return
}
# Run stap on executable built with dtrace generated header file
set ok 0
verbose -log "spawn stap -c $sup_exepath $sup_stppath"
spawn stap -c $sup_exepath $sup_stppath
expect {
-timeout 180
-re {In test_probe_2 probe 0x2} { incr ok; exp_continue }
-re {In test_probe_0 probe 0x3} { incr ok; exp_continue }
-re {In test_probe_3 probe 0x3 0x[0-9a-f][0-9a-f]} { incr ok; exp_continue }
-re {In test_probe_4 dtrace probe 0x4} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
wait
if {$ok == 5} {
pass "$test $pbtype_mssg"
} else {
fail "$test ($ok) $pbtype_mssg"
}
# Test passing various C types to .mark probes
set sup_flags "$sup_flags additional_flags=-O0 $pbtype_flag"
set res [target_compile $srcdir/$subdir/sdt_types.c sdt_types.x executable $sup_flags]
if { $res != "" } {
verbose "target_compile failed: $res" 2
fail "$test compiling types -g $pbtype_mssg"
return
} else {
pass "$test compiling types -g $pbtype_mssg"
}
set ok 0
set fail "types"
verbose -log "spawn stap -c ./sdt_types.x $srcdir/$subdir/sdt_types.stp ./sdt_types.x"
spawn stap -c ./sdt_types.x $srcdir/$subdir/sdt_types.stp ./sdt_types.x
expect {
-timeout 180
-re {FAIL: [a-z_]+var} { regexp " .*$" $expect_out(0,string) s;
incr ok; set fail "$fail $s"; exp_continue }
timeout { fail "$test (timeout) }
eof { }
}
wait
set pbtype_mssgs {{uprobe} {utrace} {kprobe}}
if { $ok != 0} {
if { $pbtype_mssg == "uprobe" } {
fail "$test $fail $pbtype_mssg"
} else {
# (needs cast)
xfail "$test $fail $pbtype_mssg"
}
} else {
pass "$test types $pbtype_mssg"
}
# Test .mark probe wildcard matching
set ok 0
spawn stap -l "process(\"./sdt_types.x\").mark(\"*\")"
expect {
-timeout 180
-re {mark\(\"[a-z_]+\"\)} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
if { $ok == 45 } {
pass "$test wildcard $pbtype_mssg"
} else {
fail "$test wildcard ($ok) $pbtype_mssg"
}
# for {set i 0}
}
if { $verbose == 0 } {
catch {exec rm -f $sup_srcpath $sup_exepath $supcplus_exepath $sup_dpath $sup_hpath $sup_stppath sdt_types.x}
}
|
