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|
set test "sduprobes"
if {![installtest_p]} {untested $test; return}
# Compile a C program to use as the user-space probing target
set sup_srcpath "[pwd]/static_uprobes.c"
set sup_exepath "[pwd]/static_uprobes.x"
set sup_flags "additional_flags=-iquote$env(SYSTEMTAP_RUNTIME) additional_flags=-L$env(CRASH_LIBDIR) additional_flags=-lsduprobes"
set fp [open $sup_srcpath "w"]
puts $fp "
#include <stdlib.h>
#define USE_STAP_PROBE 1
#include \"sdt.h\"
foo ()
{
STAP_PROBE(tstlabel,label1);
}
bar (int i)
{
if (i == 0)
i = 1000;
STAP_PROBE1(tstlabel,label2,i);
}
baz (int i, char* s)
{
STAP_PROBE1(tstlabel,label0,i);
if (i == 0)
i = 1000;
STAP_PROBE2(tstlabel,label3,i,s);
}
buz (int parm)
{
}
main ()
{
sleep(5);
foo();
bar(2);
baz(3,\"abc\");
buz(4);
}
"
close $fp
set res [target_compile $sup_srcpath $sup_exepath executable $sup_flags]
if { $res != "" } {
verbose "target_compile failed: $res" 2
fail "compiling static_uprobes.c"
return
} else {
pass "compiling static_uprobes.c"
}
set fp [open "[pwd]/static_uprobes.stp" "w"]
puts $fp "
probe process(\"static_uprobes.x\").mark(\"label0\")
{
printf(\"In label0 probe %#x\\n\", \$arg1)
}
probe process(\"static_uprobes.x\").mark(\"label1\")
{
printf(\"In label1 probe\\n\")
}
probe process(\"static_uprobes.x\").mark(\"label2\")
{
printf(\"In label2 probe %#x\\n\", \$arg1)
}
probe process(\"static_uprobes.x\").mark(\"label3\")
{
printf(\"In label3 probe %#x %#x\\n\", \$arg1, \$arg2)
}
"
close $fp
# Try to find utrace_attach symbol in /proc/kallsyms
# copy from utrace_p5.exp
set utrace_support_found 0
set path "/proc/kallsyms"
if {! [catch {exec grep -q utrace_attach $path} dummy]} {
set utrace_support_found 1
}
if {$utrace_support_found == 0} { untested "$test"; return }
set ok 0
verbose -log "spawn stap -c $sup_exepath [pwd]/static_uprobes.stp"
spawn stap -c $sup_exepath [pwd]/static_uprobes.stp
expect {
-timeout 180
-re {In label1 probe} { incr ok; exp_continue }
-re {In label2 probe 0x2} { incr ok; exp_continue }
-re {In label0 probe 0x3} { incr ok; exp_continue }
-re {In label3 probe 0x3 0x[0-9a-f][0-9a-f]} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
if {$ok == 4} { pass "$test" } { fail "$test ($ok)" }
set ok 0
# Now do a debuginfo style probe of the above test
set fp [open "[pwd]/static_uprobes.sh" "w"]
puts $fp "
ed $sup_srcpath <<HERE
/USE_STAP_PROBE/d
/buz/+1
a
DTRACE_PROBE1(tstlabel,label4,parm);
.
w
q
"
close $fp
spawn sh [pwd]/static_uprobes.sh
set fp [open "[pwd]/static_uprobes.stp" "w"]
puts $fp "
probe process(\"static_uprobes.x\").mark(\"label0\")
{
printf(\"In label0 probe %#x\\n\", \$arg1)
}
probe process(\"static_uprobes.x\").mark(\"label1\")
{
printf(\"In label1 probe\\n\")
}
probe process(\"static_uprobes.x\").mark(\"label2\")
{
printf(\"In label2 probe %#x\\n\", \$arg1)
}
probe process(\"static_uprobes.x\").mark(\"label3\")
{
printf(\"In label3 probe %#x %#x\\n\", \$arg1, \$arg2)
}
probe process(\"static_uprobes.x\").mark(\"label4\")
{
printf(\"In label4 dtrace probe %#x\\n\", \$arg1)
}
"
close $fp
set sup_flags "additional_flags=-iquote$env(SYSTEMTAP_RUNTIME) additional_flags=-g additional_flags=-O additional_flags=$env(SYSTEMTAP_RUNTIME)/sduprobes.c"
set res [target_compile $sup_srcpath $sup_exepath executable $sup_flags]
if { $res != "" } {
verbose "target_compile failed: $res" 2
fail "compiling sduprobes.c -g"
return
} else {
pass "compiling sduprobes.c -g"
}
verbose -log "spawn stap -c $sup_exepath [pwd]/static_uprobes.stp"
spawn stap -c $sup_exepath [pwd]/static_uprobes.stp
expect {
-timeout 180
-re {In label1 probe} { incr ok; exp_continue }
-re {In label2 probe 0x2} { incr ok; exp_continue }
-re {In label0 probe 0x3} { incr ok; exp_continue }
-re {In label3 probe 0x3 0x[0-9a-f][0-9a-f]} { incr ok; exp_continue }
-re {In label4 dtrace probe 0x4} { incr ok; exp_continue }
timeout { fail "$test (timeout)" }
eof { }
}
wait
if {$ok == 5} { pass "$test" } { fail "$test ($ok)" }
|
