bpftrace signed type v2 tool div

diff.diff

Checking bashreadline
Checking biolatency
Checking biosnoop
Change detected for script: biosnoop
--- master_biosnoop	2019-07-25 21:42:10.027857087 +0000
+++ new_biosnoop	2019-07-25 21:42:10.071858153 +0000
@@ -403,7 +403,7 @@
   %11 = getelementptr %printf_t.0, %printf_t.0* %printf_args, i32 0, i32 0
   store i64 1, i64* %11
   %get_ns24 = call i64 inttoptr (i64 5 to i64 ()*)()
-  %12 = sub i64 %get_ns24, 46449100788201
+  %12 = sub i64 %get_ns24, 46449146119512
   %13 = udiv i64 %12, 1000000
   %14 = getelementptr %printf_t.0, %printf_t.0* %printf_args, i32 0, i32 1
   store i64 %13, i64* %14
@@ -896,7 +896,7 @@
   %5 = getelementptr inbounds %printf_t.0, %printf_t.0* %printf_args, i64 0, i32 0
   store i64 1, i64* %5, align 8
   %get_ns24 = call i64 inttoptr (i64 5 to i64 ()*)()
-  %6 = add i64 %get_ns24, -46449100788201
+  %6 = add i64 %get_ns24, -46449146119512
   %7 = udiv i64 %6, 1000000
   %8 = getelementptr inbounds %printf_t.0, %printf_t.0* %printf_args, i64 0, i32 1
   store i64 %7, i64* %8, align 8
Checking bitesize
Checking capable
bpftrace failed on script: capable
Checking cpuwalk
Checking dcsnoop
Change detected for script: dcsnoop
--- master_dcsnoop	2019-07-25 21:42:10.947879380 +0000
+++ new_dcsnoop	2019-07-25 21:42:11.283887522 +0000
@@ -325,7 +325,7 @@
   %6 = getelementptr %printf_t.1, %printf_t.1* %printf_args, i32 0, i32 0
   store i64 2, i64* %6
   %get_ns = call i64 inttoptr (i64 5 to i64 ()*)()
-  %7 = sub i64 %get_ns, 46450019920670
+  %7 = sub i64 %get_ns, 46450357718166
   %8 = udiv i64 %7, 1000000
   %9 = getelementptr %printf_t.1, %printf_t.1* %printf_args, i32 0, i32 1
   store i64 %8, i64* %9
@@ -453,7 +453,7 @@
   %7 = getelementptr %printf_t.2, %printf_t.2* %printf_args, i32 0, i32 0
   store i64 3, i64* %7
   %get_ns = call i64 inttoptr (i64 5 to i64 ()*)()
-  %8 = sub i64 %get_ns, 46450020016716
+  %8 = sub i64 %get_ns, 46450357814249
   %9 = udiv i64 %8, 1000000
   %10 = getelementptr %printf_t.2, %printf_t.2* %printf_args, i32 0, i32 1
   store i64 %9, i64* %10
@@ -661,7 +661,7 @@
   %4 = getelementptr inbounds %printf_t.1, %printf_t.1* %printf_args, i64 0, i32 0
   store i64 2, i64* %4, align 8
   %get_ns = tail call i64 inttoptr (i64 5 to i64 ()*)()
-  %5 = add i64 %get_ns, -46450019920670
+  %5 = add i64 %get_ns, -46450357718166
   %6 = udiv i64 %5, 1000000
   %7 = getelementptr inbounds %printf_t.1, %printf_t.1* %printf_args, i64 0, i32 1
   store i64 %6, i64* %7, align 8
@@ -756,7 +756,7 @@
   %5 = getelementptr inbounds %printf_t.2, %printf_t.2* %printf_args, i64 0, i32 0
   store i64 3, i64* %5, align 8
   %get_ns = call i64 inttoptr (i64 5 to i64 ()*)()
-  %6 = add i64 %get_ns, -46450020016716
+  %6 = add i64 %get_ns, -46450357814249
   %7 = udiv i64 %6, 1000000
   %8 = getelementptr inbounds %printf_t.2, %printf_t.2* %printf_args, i64 0, i32 1
   store i64 %7, i64* %8, align 8
Checking execsnoop
Change detected for script: execsnoop
--- master_execsnoop	2019-07-25 21:42:11.367889559 +0000
+++ new_execsnoop	2019-07-25 21:42:11.423890915 +0000
@@ -252,7 +252,7 @@
   %3 = getelementptr %printf_t.0, %printf_t.0* %printf_args, i32 0, i32 0
   store i64 1, i64* %3
   %get_ns = call i64 inttoptr (i64 5 to i64 ()*)()
-  %4 = sub i64 %get_ns, 46450447066365
+  %4 = sub i64 %get_ns, 46450505899448
   %5 = udiv i64 %4, 1000000
   %6 = getelementptr %printf_t.0, %printf_t.0* %printf_args, i32 0, i32 1
   store i64 %5, i64* %6
@@ -497,7 +497,7 @@
   %2 = getelementptr inbounds %printf_t.0, %printf_t.0* %printf_args, i64 0, i32 0
   store i64 1, i64* %2, align 8
   %get_ns = tail call i64 inttoptr (i64 5 to i64 ()*)()
-  %3 = add i64 %get_ns, -46450447066365
+  %3 = add i64 %get_ns, -46450505899448
   %4 = udiv i64 %3, 1000000
   %5 = getelementptr inbounds %printf_t.0, %printf_t.0* %printf_args, i64 0, i32 1
   store i64 %4, i64* %5, align 8
Checking gethostlatency
Checking killsnoop
Checking loads
Checking mdflush
Checking oomkill
Checking opensnoop
Change detected for script: opensnoop
--- master_opensnoop	2019-07-25 21:42:13.915951301 +0000
+++ new_opensnoop	2019-07-25 21:42:14.007953531 +0000
@@ -462,7 +462,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %14)
   %15 = load i64, i64* %"$ret"
   %16 = icmp sgt i64 %15, 0
-  %17 = zext i1 %16 to i64
+  %17 = sext i1 %16 to i64
   %true_cond = icmp ne i64 %17, 0
   br i1 %true_cond, label %left, label %right

@@ -502,7 +502,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %25)
   %26 = load i64, i64* %"$ret"
   %27 = icmp sgt i64 %26, 0
-  %28 = zext i1 %27 to i64
+  %28 = sext i1 %27 to i64
   %true_cond6 = icmp ne i64 %28, 0
   br i1 %true_cond6, label %left1, label %right2

@@ -670,7 +670,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %14)
   %15 = load i64, i64* %"$ret"
   %16 = icmp sgt i64 %15, 0
-  %17 = zext i1 %16 to i64
+  %17 = sext i1 %16 to i64
   %true_cond = icmp ne i64 %17, 0
   br i1 %true_cond, label %left, label %right

@@ -710,7 +710,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %25)
   %26 = load i64, i64* %"$ret"
   %27 = icmp sgt i64 %26, 0
-  %28 = zext i1 %27 to i64
+  %28 = sext i1 %27 to i64
   %true_cond6 = icmp ne i64 %28, 0
   br i1 %true_cond6, label %left1, label %right2

Checking pidpersec
Checking runqlat
Change detected for script: runqlat
--- master_runqlat	2019-07-25 21:42:14.395962933 +0000
+++ new_runqlat	2019-07-25 21:42:14.651969136 +0000
@@ -290,7 +290,7 @@
   %5 = bitcast i32* %_tracepoint_sched_sched_wakeup.pid to i8*
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %5)
   %6 = getelementptr [8 x i8], [8 x i8]* %"@qtime_key", i64 0, i64 0
-  %7 = zext i32 %4 to i64
+  %7 = sext i32 %4 to i64
   store i64 %7, i8* %6
   %8 = bitcast i64* %"@qtime_val" to i8*
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %8)
@@ -320,7 +320,7 @@
   %5 = bitcast i32* %_tracepoint_sched_sched_wakeup_new.pid to i8*
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %5)
   %6 = getelementptr [8 x i8], [8 x i8]* %"@qtime_key", i64 0, i64 0
-  %7 = zext i32 %4 to i64
+  %7 = sext i32 %4 to i64
   store i64 %7, i8* %6
   %8 = bitcast i64* %"@qtime_val" to i8*
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %8)
@@ -360,7 +360,7 @@
   %5 = bitcast i64* %_tracepoint_sched_sched_switch.prev_state to i8*
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %5)
   %6 = icmp eq i64 %4, 0
-  %7 = zext i1 %6 to i64
+  %7 = sext i1 %6 to i64
   %true_cond = icmp ne i64 %7, 0
   br i1 %true_cond, label %if_stmt, label %else_stmt

@@ -376,7 +376,7 @@
   %12 = bitcast i32* %_tracepoint_sched_sched_switch.prev_pid to i8*
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %12)
   %13 = getelementptr [8 x i8], [8 x i8]* %"@qtime_key", i64 0, i64 0
-  %14 = zext i32 %11 to i64
+  %14 = sext i32 %11 to i64
   store i64 %14, i8* %13
   %15 = bitcast i64* %"@qtime_val" to i8*
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %15)
@@ -400,7 +400,7 @@
   %22 = bitcast i32* %_tracepoint_sched_sched_switch.next_pid to i8*
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %22)
   %23 = getelementptr [8 x i8], [8 x i8]* %"@qtime_key2", i64 0, i64 0
-  %24 = zext i32 %21 to i64
+  %24 = sext i32 %21 to i64
   store i64 %24, i8* %23
   %pseudo4 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
   %lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo4, [8 x i8]* %"@qtime_key2")
@@ -456,7 +456,7 @@
   %40 = bitcast i32* %_tracepoint_sched_sched_switch.next_pid19 to i8*
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %40)
   %41 = getelementptr [8 x i8], [8 x i8]* %"@qtime_key18", i64 0, i64 0
-  %42 = zext i32 %39 to i64
+  %42 = sext i32 %39 to i64
   store i64 %42, i8* %41
   %pseudo21 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
   %delete_elem = call i64 inttoptr (i64 3 to i64 (i8*, i8*)*)(i64 %pseudo21, [8 x i8]* %"@qtime_key18")
@@ -565,7 +565,7 @@
   %probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %_tracepoint_sched_sched_wakeup.pid, i64 4, i8* %2)
   %4 = load i32, i32* %_tracepoint_sched_sched_wakeup.pid, align 4
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
-  %5 = zext i32 %4 to i64
+  %5 = sext i32 %4 to i64
   store i64 %5, i8* %1, align 8
   %6 = bitcast i64* %"@qtime_val" to i8*
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
@@ -591,7 +591,7 @@
   %probe_read = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %_tracepoint_sched_sched_wakeup_new.pid, i64 4, i8* %2)
   %4 = load i32, i32* %_tracepoint_sched_sched_wakeup_new.pid, align 4
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %3)
-  %5 = zext i32 %4 to i64
+  %5 = sext i32 %4 to i64
   store i64 %5, i8* %1, align 8
   %6 = bitcast i64* %"@qtime_val" to i8*
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %6)
@@ -634,7 +634,7 @@
   %probe_read1 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %_tracepoint_sched_sched_switch.prev_pid, i64 4, i8* %6)
   %8 = load i32, i32* %_tracepoint_sched_sched_switch.prev_pid, align 4
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %7)
-  %9 = zext i32 %8 to i64
+  %9 = sext i32 %8 to i64
   store i64 %9, i8* %5, align 8
   %10 = bitcast i64* %"@qtime_val" to i8*
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* nonnull %10)
@@ -654,7 +654,7 @@
   %probe_read3 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %_tracepoint_sched_sched_switch.next_pid, i64 4, i8* %12)
   %14 = load i32, i32* %_tracepoint_sched_sched_switch.next_pid, align 4
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %13)
-  %15 = zext i32 %14 to i64
+  %15 = sext i32 %14 to i64
   store i64 %15, i8* %11, align 8
   %pseudo4 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
   %lookup_elem = call i8* inttoptr (i64 1 to i8* (i8*, i8*)*)(i64 %pseudo4, [8 x i8]* nonnull %"@qtime_key2")
@@ -722,7 +722,7 @@
   %probe_read20 = call i64 inttoptr (i64 4 to i64 (i8*, i64, i8*)*)(i32* nonnull %_tracepoint_sched_sched_switch.next_pid19, i64 4, i8* %12)
   %46 = load i32, i32* %_tracepoint_sched_sched_switch.next_pid19, align 4
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* nonnull %45)
-  %47 = zext i32 %46 to i64
+  %47 = sext i32 %46 to i64
   store i64 %47, i8* %44, align 8
   %pseudo21 = call i64 @llvm.bpf.pseudo(i64 1, i64 1)
   %delete_elem = call i64 inttoptr (i64 3 to i64 (i8*, i8*)*)(i64 %pseudo21, [8 x i8]* nonnull %"@qtime_key18")
Checking runqlen
Change detected for script: runqlen
--- master_runqlen	2019-07-25 21:42:14.923975729 +0000
+++ new_runqlen	2019-07-25 21:42:15.183982030 +0000
@@ -280,7 +280,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %19)
   %20 = load i32, i32* %"$len"
   %21 = zext i32 %20 to i64
-  %22 = icmp sgt i64 %21, 0
+  %22 = icmp ugt i64 %21, 0
   %23 = zext i1 %22 to i64
   %true_cond = icmp ne i64 %23, 0
   br i1 %true_cond, label %left, label %right
Checking statsnoop
Change detected for script: statsnoop
--- master_statsnoop	2019-07-25 21:42:15.275984259 +0000
+++ new_statsnoop	2019-07-25 21:42:15.355986197 +0000
@@ -549,7 +549,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %13)
   %14 = load i64, i64* %"$ret"
   %15 = icmp sge i64 %14, 0
-  %16 = zext i1 %15 to i64
+  %16 = sext i1 %15 to i64
   %true_cond = icmp ne i64 %16, 0
   br i1 %true_cond, label %left, label %right

@@ -724,7 +724,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %13)
   %14 = load i64, i64* %"$ret"
   %15 = icmp sge i64 %14, 0
-  %16 = zext i1 %15 to i64
+  %16 = sext i1 %15 to i64
   %true_cond = icmp ne i64 %16, 0
   br i1 %true_cond, label %left, label %right

@@ -899,7 +899,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %13)
   %14 = load i64, i64* %"$ret"
   %15 = icmp sge i64 %14, 0
-  %16 = zext i1 %15 to i64
+  %16 = sext i1 %15 to i64
   %true_cond = icmp ne i64 %16, 0
   br i1 %true_cond, label %left, label %right

@@ -1074,7 +1074,7 @@
   call void @llvm.lifetime.start.p0i8(i64 -1, i8* %13)
   %14 = load i64, i64* %"$ret"
   %15 = icmp sge i64 %14, 0
-  %16 = zext i1 %15 to i64
+  %16 = sext i1 %15 to i64
   %true_cond = icmp ne i64 %16, 0
   br i1 %true_cond, label %left, label %right

Checking syncsnoop
Checking syscount
Checking tcpaccept
Checking tcpconnect
Checking tcpdrop
bpftrace failed on script: tcpdrop
Checking tcpretrans
bpftrace failed on script: tcpretrans
Checking vfscount
Checking vfsstat
Checking writeback
Change detected for script: writeback
--- master_writeback	2019-07-25 21:42:21.788142055 +0000
+++ new_writeback	2019-07-25 21:42:21.896144671 +0000
@@ -669,7 +669,7 @@
   %51 = load i32, i32* %_tracepoint_writeback_writeback_written.reason
   %52 = bitcast i32* %_tracepoint_writeback_writeback_written.reason to i8*
   call void @llvm.lifetime.end.p0i8(i64 -1, i8* %52)
-  %53 = zext i32 %51 to i64
+  %53 = sext i32 %51 to i64
   %54 = and i64 %53, 4294967295
   %55 = getelementptr [8 x i8], [8 x i8]* %"@reason_key", i64 0, i64 0
   store i64 %54, i8* %55
Checking xfsdist
vagrant@ubuntu-cosmic:~$

differ.sh

#!/bin/bash

BPFTRACE=$(command -v bpftrace)
BPFTRACE_MASTER=$(command -v bpftrace_master)
TOOLDIR="/vagrant/tools/"

TMPDIR=$(mktemp -d)

[[ $? -ne 0 || -z $TMPDIR ]] && (echo "Failed to create tmp dir"; exit 10)
[[ -z $BPFTRACE ]] && (echo "bpftrace not found"; exit 11)
[[ -z $BPFTRACE_MASTER ]] && (echo "bpftrace_master not found"; exit 12)

cd $TMPDIR

function hash() {
    file="${1}"
    sha1sum "${1}" | awk '{print $1}'
}

for script in ${TOOLDIR}/*.bt; do
    s=$(basename ${script/.bt/})
    echo "Checking $s"
    #$BPFTRACE_MASTER -dd "$script" 2>&1 | sed -n '/After opt/,$p' > "master_${s}"
    #$BPFTRACE -dd "${script}" 2>&1 | sed -n '/After opt/,$p' > "new_${s}"
    $BPFTRACE_MASTER -dd "$script" >  "master_${s}" 2>&1
    $BPFTRACE -dd "${script}" >  "new_${s}" 2>&1
    if [ $? -ne 0 ]; then
        echo "bpftrace failed on script: ${s}"
        continue
    fi
    if [[ $(hash "master_${s}") != $(hash "new_${s}")  ]]; then
        echo "Change detected for script: ${s}"
        diff -b -u "master_${s}" "new_${s}"
    fi
done