From b96ebcd2f328cd694101d657341faeb5869556a9 Mon Sep 17 00:00:00 2001
From: jeromemarchand <38073585+jeromemarchand@users.noreply.github.com>
Date: Wed, 10 Oct 2018 01:58:15 +0200
Subject: [PATCH] Bytes/string encoding (#2004)
* tools: uses 'replace' error handler by default in decode()
Tools might encouter characters from non utf-8 charset (e.g. a file
name). When this happen, it's better to replace the unexpected
character by a question mark than crash the tool when all we do is
to print the string.
* tools: fix a bytes/string issue in attach_perf_event()
---
tools/bashreadline.py | 2 +-
tools/biosnoop.py | 4 ++--
tools/biotop.py | 4 ++--
tools/btrfsslower.py | 10 ++++++----
tools/cachetop.py | 2 +-
tools/capable.py | 4 ++--
tools/dcsnoop.py | 5 +++--
tools/ext4slower.py | 10 ++++++----
tools/filelife.py | 3 ++-
tools/fileslower.py | 6 +++---
tools/filetop.py | 7 ++++---
tools/funcslower.py | 4 ++--
tools/gethostlatency.py | 4 ++--
tools/hardirqs.py | 2 +-
tools/llcstat.py | 2 +-
tools/mdflush.py | 3 ++-
tools/mountsnoop.py | 4 ++--
tools/nfsslower.py | 4 ++--
tools/offcputime.py | 4 ++--
tools/offwaketime.py | 8 ++++----
tools/old/offcputime.py | 2 +-
tools/old/oomkill.py | 4 ++--
tools/old/profile.py | 2 +-
tools/old/wakeuptime.py | 8 ++++----
tools/oomkill.py | 4 ++--
tools/opensnoop.py | 3 ++-
tools/profile.py | 8 ++++----
tools/sslsniff.py | 5 +++--
tools/stackcount.py | 2 +-
tools/statsnoop.py | 5 +++--
tools/tcpaccept.py | 7 ++++---
tools/tcpconnect.py | 7 ++++---
tools/tcpconnlat.py | 8 ++++----
tools/tcplife.py | 4 ++--
tools/tcpstates.py | 4 ++--
tools/tcptracer.py | 4 ++--
tools/trace.py | 3 ++-
tools/ttysnoop.py | 2 +-
tools/zfsslower.py | 10 ++++++----
39 files changed, 100 insertions(+), 84 deletions(-)
diff --git a/tools/bashreadline.py b/tools/bashreadline.py
index aaf6fc7..89c37c3 100755
--- a/tools/bashreadline.py
+++ b/tools/bashreadline.py
@@ -57,7 +57,7 @@ print("%-9s %-6s %s" % ("TIME", "PID", "COMMAND"))
def print_event(cpu, data, size):
event = ct.cast(data, ct.POINTER(Data)).contents
print("%-9s %-6d %s" % (strftime("%H:%M:%S"), event.pid,
- event.str.decode()))
+ event.str.decode('utf-8', 'replace')))
b["events"].open_perf_buffer(print_event)
while 1:
diff --git a/tools/biosnoop.py b/tools/biosnoop.py
index 7f61180..2b1e77d 100755
--- a/tools/biosnoop.py
+++ b/tools/biosnoop.py
@@ -176,8 +176,8 @@ delta = 0
delta = float(delta) + (event.ts - prev_ts)
print("%-14.9f %-14.14s %-6s %-7s %-2s %-9s %-7s %7.2f" % (
- delta / 1000000, event.name.decode(), event.pid,
- event.disk_name.decode(), rwflg, val,
+ delta / 1000000, event.name.decode('utf-8', 'replace'), event.pid,
+ event.disk_name.decode('utf-8', 'replace'), rwflg, val,
event.len, float(event.delta) / 1000000))
prev_ts = event.ts
diff --git a/tools/biotop.py b/tools/biotop.py
index 63d6642..c6e1ca2 100755
--- a/tools/biotop.py
+++ b/tools/biotop.py
@@ -221,8 +221,8 @@ exiting = 0
# print line
avg_ms = (float(v.us) / 1000) / v.io
print("%-6d %-16s %1s %-3d %-3d %-8s %5s %7s %6.2f" % (k.pid,
- k.name.decode(), "W" if k.rwflag else "R", k.major, k.minor,
- diskname, v.io, v.bytes / 1024, avg_ms))
+ k.name.decode('utf-8', 'replace'), "W" if k.rwflag else "R",
+ k.major, k.minor, diskname, v.io, v.bytes / 1024, avg_ms))
line += 1
if line >= maxrows:
diff --git a/tools/btrfsslower.py b/tools/btrfsslower.py
index 644cb22..d48e04c 100755
--- a/tools/btrfsslower.py
+++ b/tools/btrfsslower.py
@@ -316,12 +316,14 @@ TASK_COMM_LEN = 16 # linux/sched.h
if (csv):
print("%d,%s,%d,%s,%d,%d,%d,%s" % (
- event.ts_us, event.task.decode(), event.pid, type, event.size,
- event.offset, event.delta_us, event.file.decode()))
+ event.ts_us, event.task.decode('utf-8', 'replace'), event.pid,
+ type, event.size, event.offset, event.delta_us,
+ event.file.decode('utf-8', 'replace')))
return
print("%-8s %-14.14s %-6s %1s %-7s %-8d %7.2f %s" % (strftime("%H:%M:%S"),
- event.task.decode(), event.pid, type, event.size, event.offset / 1024,
- float(event.delta_us) / 1000, event.file.decode()))
+ event.task.decode('utf-8', 'replace'), event.pid, type, event.size,
+ event.offset / 1024, float(event.delta_us) / 1000,
+ event.file.decode('utf-8', 'replace')))
# initialize BPF
b = BPF(text=bpf_text)
diff --git a/tools/cachetop.py b/tools/cachetop.py
index 0e08af9..1013675 100755
--- a/tools/cachetop.py
+++ b/tools/cachetop.py
@@ -72,7 +72,7 @@ def get_processes_stats(
counts = bpf.get_table("counts")
stats = defaultdict(lambda: defaultdict(int))
for k, v in counts.items():
- stats["%d-%d-%s" % (k.pid, k.uid, k.comm.decode())][k.ip] = v.value
+ stats["%d-%d-%s" % (k.pid, k.uid, k.comm.decode('utf-8', 'replace'))][k.ip] = v.value
stats_list = []
for pid, count in sorted(stats.items(), key=lambda stat: stat[0]):
diff --git a/tools/capable.py b/tools/capable.py
index 3e032e9..efcff4d 100755
--- a/tools/capable.py
+++ b/tools/capable.py
@@ -148,8 +148,8 @@ print("%-9s %-6s %-6s %-16s %-4s %-20s %s" % (
else:
name = "?"
print("%-9s %-6d %-6d %-16s %-4d %-20s %d" % (strftime("%H:%M:%S"),
- event.uid, event.pid, event.comm.decode(), event.cap, name,
- event.audit))
+ event.uid, event.pid, event.comm.decode('utf-8', 'replace'),
+ event.cap, name, event.audit))
# loop with callback to print_event
b["events"].open_perf_buffer(print_event)
diff --git a/tools/dcsnoop.py b/tools/dcsnoop.py
index 070c87a..13152c2 100755
--- a/tools/dcsnoop.py
+++ b/tools/dcsnoop.py
@@ -153,8 +153,9 @@ start_ts = time.time()
def print_event(cpu, data, size):
event = ct.cast(data, ct.POINTER(Data)).contents
print("%-11.6f %-6d %-16s %1s %s" % (
- time.time() - start_ts, event.pid, event.comm.decode(),
- mode_s[event.type], event.filename.decode()))
+ time.time() - start_ts, event.pid,
+ event.comm.decode('utf-8', 'replace'), mode_s[event.type],
+ event.filename.decode('utf-8', 'replace')))
# header
print("%-11s %-6s %-16s %1s %s" % ("TIME(s)", "PID", "COMM", "T", "FILE"))
diff --git a/tools/ext4slower.py b/tools/ext4slower.py
index eb6430e..88db831 100755
--- a/tools/ext4slower.py
+++ b/tools/ext4slower.py
@@ -314,12 +314,14 @@ TASK_COMM_LEN = 16 # linux/sched.h
if (csv):
print("%d,%s,%d,%s,%d,%d,%d,%s" % (
- event.ts_us, event.task.decode(), event.pid, type, event.size,
- event.offset, event.delta_us, event.file.decode()))
+ event.ts_us, event.task.decode('utf-8', 'replace'), event.pid,
+ type, event.size, event.offset, event.delta_us,
+ event.file.decode('utf-8', 'replace')))
return
print("%-8s %-14.14s %-6s %1s %-7s %-8d %7.2f %s" % (strftime("%H:%M:%S"),
- event.task.decode(), event.pid, type, event.size, event.offset / 1024,
- float(event.delta_us) / 1000, event.file.decode()))
+ event.task.decode('utf-8', 'replace'), event.pid, type, event.size,
+ event.offset / 1024, float(event.delta_us) / 1000,
+ event.file.decode('utf-8', 'replace')))
# initialize BPF
b = BPF(text=bpf_text)
diff --git a/tools/filelife.py b/tools/filelife.py
index 0f4e269..410659d 100755
--- a/tools/filelife.py
+++ b/tools/filelife.py
@@ -136,7 +136,8 @@ print("%-8s %-6s %-16s %-7s %s" % ("TIME", "PID", "COMM", "AGE(s)", "FILE"))
def print_event(cpu, data, size):
event = ct.cast(data, ct.POINTER(Data)).contents
print("%-8s %-6d %-16s %-7.2f %s" % (strftime("%H:%M:%S"), event.pid,
- event.comm.decode(), float(event.delta) / 1000, event.fname.decode()))
+ event.comm.decode('utf-8', 'replace'), float(event.delta) / 1000,
+ event.fname.decode('utf-8', 'replace')))
b["events"].open_perf_buffer(print_event)
while 1:
diff --git a/tools/fileslower.py b/tools/fileslower.py
index 5caa4ca..25443a2 100755
--- a/tools/fileslower.py
+++ b/tools/fileslower.py
@@ -240,13 +240,13 @@ start_ts = time.time()
event = ct.cast(data, ct.POINTER(Data)).contents
ms = float(event.delta_us) / 1000
- name = event.name.decode()
+ name = event.name.decode('utf-8', 'replace')
if event.name_len > DNAME_INLINE_LEN:
name = name[:-3] + "..."
print("%-8.3f %-14.14s %-6s %1s %-7s %7.2f %s" % (
- time.time() - start_ts, event.comm.decode(), event.pid,
- mode_s[event.mode], event.sz, ms, name))
+ time.time() - start_ts, event.comm.decode('utf-8', 'replace'),
+ event.pid, mode_s[event.mode], event.sz, ms, name))
b["events"].open_perf_buffer(print_event, page_cnt=64)
while 1:
diff --git a/tools/filetop.py b/tools/filetop.py
index 454dfd8..4c7a28a 100755
--- a/tools/filetop.py
+++ b/tools/filetop.py
@@ -190,14 +190,15 @@ exiting = 0
for k, v in reversed(sorted(counts.items(),
key=lambda counts:
getattr(counts[1], args.sort))):
- name = k.name.decode()
+ name = k.name.decode('utf-8', 'replace')
if k.name_len > DNAME_INLINE_LEN:
name = name[:-3] + "..."
# print line
print("%-6d %-16s %-6d %-6d %-7d %-7d %1s %s" % (k.pid,
- k.comm.decode(), v.reads, v.writes, v.rbytes / 1024,
- v.wbytes / 1024, k.type.decode(), name))
+ k.comm.decode('utf-8', 'replace'), v.reads, v.writes,
+ v.rbytes / 1024, v.wbytes / 1024,
+ k.type.decode('utf-8', 'replace'), name))
line += 1
if line >= maxrows:
diff --git a/tools/funcslower.py b/tools/funcslower.py
index 93fb846..261869e 100755
--- a/tools/funcslower.py
+++ b/tools/funcslower.py
@@ -306,7 +306,7 @@ earliest_ts = 0
# print folded stack output
user_stack = list(user_stack)
kernel_stack = list(kernel_stack)
- line = [event.comm.decode()] + \
+ line = [event.comm.decode('utf-8', 'replace')] + \
[b.sym(addr, event.tgid_pid) for addr in reversed(user_stack)] + \
(do_delimiter and ["-"] or []) + \
[b.ksym(addr) for addr in reversed(kernel_stack)]
@@ -323,7 +323,7 @@ earliest_ts = 0
ts = float(event.duration_ns) / time_multiplier
if not args.folded:
print((time_str(event) + "%-14.14s %-6s %7.2f %16x %s %s") %
- (event.comm.decode(), event.tgid_pid >> 32,
+ (event.comm.decode('utf-8', 'replace'), event.tgid_pid >> 32,
ts, event.retval, args.functions[event.id], args_str(event)))
if args.user_stack or args.kernel_stack:
print_stack(event)
diff --git a/tools/gethostlatency.py b/tools/gethostlatency.py
index f1d7dea..3a967ae 100755
--- a/tools/gethostlatency.py
+++ b/tools/gethostlatency.py
@@ -129,8 +129,8 @@ print("%-9s %-6s %-16s %10s %s" % ("TIME", "PID", "COMM", "LATms", "HOST"))
def print_event(cpu, data, size):
event = ct.cast(data, ct.POINTER(Data)).contents
print("%-9s %-6d %-16s %10.2f %s" % (strftime("%H:%M:%S"), event.pid,
- event.comm.decode(), (float(event.delta) / 1000000),
- event.host.decode()))
+ event.comm.decode('utf-8', 'replace'), (float(event.delta) / 1000000),
+ event.host.decode('utf-8', 'replace')))
# loop with callback to print_event
b["events"].open_perf_buffer(print_event)
diff --git a/tools/hardirqs.py b/tools/hardirqs.py
index 3835d63..589a890 100755
--- a/tools/hardirqs.py
+++ b/tools/hardirqs.py
@@ -172,7 +172,7 @@ dist = b.get_table("dist")
else:
print("%-26s %11s" % ("HARDIRQ", "TOTAL_" + label))
for k, v in sorted(dist.items(), key=lambda dist: dist[1].value):
- print("%-26s %11d" % (k.name.decode(), v.value / factor))
+ print("%-26s %11d" % (k.name.decode('utf-8', 'replace'), v.value / factor))
dist.clear()
countdown -= 1
diff --git a/tools/llcstat.py b/tools/llcstat.py
index fe8bdd9..ec2c1f8 100755
--- a/tools/llcstat.py
+++ b/tools/llcstat.py
@@ -113,7 +113,7 @@ tot_miss = 0
# This happens on some PIDs due to missed counts caused by sampling
hit = (v.value - miss) if (v.value >= miss) else 0
print('{:<8d} {:<16s} {:<4d} {:>12d} {:>12d} {:>6.2f}%'.format(
- k.pid, k.name.decode(), k.cpu, v.value, miss,
+ k.pid, k.name.decode('utf-8', 'replace'), k.cpu, v.value, miss,
(float(hit) / float(v.value)) * 100.0))
print('Total References: {} Total Misses: {} Hit Rate: {:.2f}%'.format(
tot_ref, tot_miss, (float(tot_ref - tot_miss) / float(tot_ref)) * 100.0))
diff --git a/tools/mdflush.py b/tools/mdflush.py
index 1d29bf1..70afc4d 100755
--- a/tools/mdflush.py
+++ b/tools/mdflush.py
@@ -72,7 +72,8 @@ print("%-8s %-6s %-16s %s" % ("TIME", "PID", "COMM", "DEVICE"))
def print_event(cpu, data, size):
event = ct.cast(data, ct.POINTER(Data)).contents
print("%-8s %-6d %-16s %s" % (strftime("%H:%M:%S"), event.pid,
- event.comm.decode(), event.disk.decode()))
+ event.comm.decode('utf-8', 'replace'),
+ event.disk.decode('utf-8', 'replace')))
# read events
b["events"].open_perf_buffer(print_event)
diff --git a/tools/mountsnoop.py b/tools/mountsnoop.py
index 2d0fa1a..e9b5865 100755
--- a/tools/mountsnoop.py
+++ b/tools/mountsnoop.py
@@ -382,8 +382,8 @@ _escape_chars = {
flags=decode_umount_flags(syscall['flags']),
retval=decode_errno(event.union.retval))
print('{:16} {:<7} {:<7} {:<11} {}'.format(
- syscall['comm'].decode(), syscall['tgid'], syscall['pid'],
- syscall['mnt_ns'], call))
+ syscall['comm'].decode('utf-8', 'replace'), syscall['tgid'],
+ syscall['pid'], syscall['mnt_ns'], call))
except KeyError:
# This might happen if we lost an event.
pass
diff --git a/tools/nfsslower.py b/tools/nfsslower.py
index 0f836af..2f92c90 100755
--- a/tools/nfsslower.py
+++ b/tools/nfsslower.py
@@ -280,13 +280,13 @@ TASK_COMM_LEN = 16 # linux/sched.h
return
print("%-8s %-14.14s %-6s %1s %-7s %-8d %7.2f %s" %
(strftime("%H:%M:%S"),
- event.task.decode(),
+ event.task.decode('utf-8', 'replace'),
event.pid,
type,
event.size,
event.offset / 1024,
float(event.delta_us) / 1000,
- event.file.decode()))
+ event.file.decode('utf-8', 'replace')))
# Currently specifically works for NFSv4, the other kprobes are generic
diff --git a/tools/offcputime.py b/tools/offcputime.py
index de77fb4..d84ae52 100755
--- a/tools/offcputime.py
+++ b/tools/offcputime.py
@@ -281,7 +281,7 @@ stack_traces = b.get_table("stack_traces")
# print folded stack output
user_stack = list(user_stack)
kernel_stack = list(kernel_stack)
- line = [k.name.decode()]
+ line = [k.name.decode('utf-8', 'replace')]
# if we failed to get the stack is, such as due to no space (-ENOMEM) or
# hash collision (-EEXIST), we still print a placeholder for consistency
if not args.kernel_stacks_only:
@@ -312,7 +312,7 @@ stack_traces = b.get_table("stack_traces")
else:
for addr in user_stack:
print(" %s" % b.sym(addr, k.tgid))
- print(" %-16s %s (%d)" % ("-", k.name.decode(), k.pid))
+ print(" %-16s %s (%d)" % ("-", k.name.decode('utf-8', 'replace'), k.pid))
print(" %d\n" % v.value)
if missing_stacks > 0:
diff --git a/tools/offwaketime.py b/tools/offwaketime.py
index 01961ee..674be22 100755
--- a/tools/offwaketime.py
+++ b/tools/offwaketime.py
@@ -316,7 +316,7 @@ need_delimiter = args.delimited and not (args.kernel_stacks_only or
if folded:
# print folded stack output
- line = [k.target.decode()]
+ line = [k.target.decode('utf-8', 'replace')]
if not args.kernel_stacks_only:
if stack_id_err(k.t_u_stack_id):
line.append("[Missed User Stack]")
@@ -344,11 +344,11 @@ need_delimiter = args.delimited and not (args.kernel_stacks_only or
else:
line.extend([b.sym(addr, k.w_tgid)
for addr in reversed(list(waker_user_stack))])
- line.append(k.waker.decode())
+ line.append(k.waker.decode('utf-8', 'replace'))
print("%s %d" % (";".join(line), v.value))
else:
# print wakeup name then stack in reverse order
- print(" %-16s %s %s" % ("waker:", k.waker.decode(), k.t_pid))
+ print(" %-16s %s %s" % ("waker:", k.waker.decode('utf-8', 'replace'), k.t_pid))
if not args.kernel_stacks_only:
if stack_id_err(k.w_u_stack_id):
print(" [Missed User Stack]")
@@ -381,7 +381,7 @@ need_delimiter = args.delimited and not (args.kernel_stacks_only or
else:
for addr in target_user_stack:
print(" %s" % b.sym(addr, k.t_tgid))
- print(" %-16s %s %s" % ("target:", k.target.decode(), k.w_pid))
+ print(" %-16s %s %s" % ("target:", k.target.decode('utf-8', 'replace'), k.w_pid))
print(" %d\n" % v.value)
if missing_stacks > 0:
diff --git a/tools/old/offcputime.py b/tools/old/offcputime.py
index 680d924..38d12a2 100755
--- a/tools/old/offcputime.py
+++ b/tools/old/offcputime.py
@@ -185,7 +185,7 @@ matched = b.num_open_kprobes()
for k, v in sorted(counts.items(), key=lambda counts: counts[1].value):
if folded:
# print folded stack output
- line = k.name.decode() + ";"
+ line = k.name.decode('utf-8', 'replace') + ";"
for i in reversed(range(0, maxdepth)):
if k.ret[i] == 0:
continue
diff --git a/tools/old/oomkill.py b/tools/old/oomkill.py
index e8e0321..b99f852 100755
--- a/tools/old/oomkill.py
+++ b/tools/old/oomkill.py
@@ -68,8 +68,8 @@ TASK_COMM_LEN = 16 # linux/sched.h
avgline = stats.read().rstrip()
print(("%s Triggered by PID %d (\"%s\"), OOM kill of PID %d (\"%s\")"
", %d pages, loadavg: %s") % (strftime("%H:%M:%S"), event.fpid,
- event.fcomm.decode(), event.tpid, event.tcomm.decode(), event.pages,
- avgline))
+ event.fcomm.decode('utf-8', 'replace'), event.tpid,
+ event.tcomm.decode('utf-8', 'replace'), event.pages, avgline))
# initialize BPF
b = BPF(text=bpf_text)
diff --git a/tools/old/profile.py b/tools/old/profile.py
index 04ca13a..e308208 100755
--- a/tools/old/profile.py
+++ b/tools/old/profile.py
@@ -339,7 +339,7 @@ stack_traces = b.get_table("stack_traces")
# print folded stack output
user_stack = list(user_stack)
kernel_stack = list(kernel_stack)
- line = [k.name.decode()] + \
+ line = [k.name.decode('utf-8', 'replace')] + \
[b.sym(addr, k.pid) for addr in reversed(user_stack)] + \
(do_delimiter and ["-"] or []) + \
[aksym(addr) for addr in reversed(kernel_stack)]
diff --git a/tools/old/wakeuptime.py b/tools/old/wakeuptime.py
index e09840a..783c7ff 100644
--- a/tools/old/wakeuptime.py
+++ b/tools/old/wakeuptime.py
@@ -199,23 +199,23 @@ matched = b.num_open_kprobes()
for k, v in sorted(counts.items(), key=lambda counts: counts[1].value):
if folded:
# print folded stack output
- line = k.waker.decode() + ";"
+ line = k.waker.decode('utf-8', 'replace') + ";"
for i in reversed(range(0, maxdepth)):
if k.ret[i] == 0:
continue
line = line + b.ksym(k.ret[i])
if i != 0:
line = line + ";"
- print("%s;%s %d" % (line, k.target.decode(), v.value))
+ print("%s;%s %d" % (line, k.target.decode('utf-8', 'replace'), v.value))
else:
# print default multi-line stack output
- print(" %-16s %s" % ("target:", k.target.decode()))
+ print(" %-16s %s" % ("target:", k.target.decode('utf-8', 'replace')))
for i in range(0, maxdepth):
if k.ret[i] == 0:
break
print(" %-16x %s" % (k.ret[i],
b.ksym(k.ret[i])))
- print(" %-16s %s" % ("waker:", k.waker.decode()))
+ print(" %-16s %s" % ("waker:", k.waker.decode('utf-8', 'replace')))
print(" %d\n" % v.value)
counts.clear()
diff --git a/tools/oomkill.py b/tools/oomkill.py
index e831d44..0677e49 100755
--- a/tools/oomkill.py
+++ b/tools/oomkill.py
@@ -69,8 +69,8 @@ TASK_COMM_LEN = 16 # linux/sched.h
avgline = stats.read().rstrip()
print(("%s Triggered by PID %d (\"%s\"), OOM kill of PID %d (\"%s\")"
", %d pages, loadavg: %s") % (strftime("%H:%M:%S"), event.fpid,
- event.fcomm.decode(), event.tpid, event.tcomm.decode(), event.pages,
- avgline))
+ event.fcomm.decode('utf-8', 'replace'), event.tpid,
+ event.tcomm.decode('utf-8', 'replace'), event.pages, avgline))
# initialize BPF
b = BPF(text=bpf_text)
diff --git a/tools/opensnoop.py b/tools/opensnoop.py
index a0657d4..418d47b 100755
--- a/tools/opensnoop.py
+++ b/tools/opensnoop.py
@@ -184,7 +184,8 @@ print("%-6s %-16s %4s %3s %s" %
print("%-6d %-16s %4d %3d %s" %
(event.id & 0xffffffff if args.tid else event.id >> 32,
- event.comm.decode(), fd_s, err, event.fname.decode()))
+ event.comm.decode('utf-8', 'replace'), fd_s, err,
+ event.fname.decode('utf-8', 'replace')))
# loop with callback to print_event
b["events"].open_perf_buffer(print_event, page_cnt=64)
diff --git a/tools/profile.py b/tools/profile.py
index 1530b98..d1d3d26 100755
--- a/tools/profile.py
+++ b/tools/profile.py
@@ -268,7 +268,7 @@ b.attach_perf_event(ev_type=PerfType.SOFTWARE,
def aksym(addr):
if args.annotations:
- return b.ksym(addr) + "_[k]"
+ return b.ksym(addr) + "_[k]".encode()
else:
return b.ksym(addr)
@@ -320,7 +320,7 @@ need_delimiter = args.delimited and not (args.kernel_stacks_only or
line.append("[Missed Kernel Stack]")
else:
line.extend([b.ksym(addr) for addr in reversed(kernel_stack)])
- print("%s %d" % (b";".join(line).decode(), v.value))
+ print("%s %d" % (b";".join(line).decode('utf-8', 'replace'), v.value))
else:
# print default multi-line stack output
if not args.user_stacks_only:
@@ -336,8 +336,8 @@ need_delimiter = args.delimited and not (args.kernel_stacks_only or
print(" [Missed User Stack]")
else:
for addr in user_stack:
- print(" %s" % b.sym(addr, k.pid).decode())
- print(" %-16s %s (%d)" % ("-", k.name.decode(), k.pid))
+ print(" %s" % b.sym(addr, k.pid).decode('utf-8', 'replace'))
+ print(" %-16s %s (%d)" % ("-", k.name.decode('utf-8', 'replace'), k.pid))
print(" %d\n" % v.value)
# check missing
diff --git a/tools/sslsniff.py b/tools/sslsniff.py
index 2e74fba..0c9f976 100755
--- a/tools/sslsniff.py
+++ b/tools/sslsniff.py
@@ -221,8 +221,9 @@ start = 0
" bytes lost) " + "-" * 5
fmt = "%-12s %-18.9f %-16s %-6d %-6d\n%s\n%s\n%s\n\n"
- print(fmt % (rw, time_s, event.comm.decode(), event.pid, event.len, s_mark,
- event.v0.decode(), e_mark))
+ print(fmt % (rw, time_s, event.comm.decode('utf-8', 'replace'),
+ event.pid, event.len, s_mark,
+ event.v0.decode('utf-8', 'replace'), e_mark))
b["perf_SSL_write"].open_perf_buffer(print_event_write)
b["perf_SSL_read"].open_perf_buffer(print_event_read)
diff --git a/tools/stackcount.py b/tools/stackcount.py
index 8781879..5554014 100755
--- a/tools/stackcount.py
+++ b/tools/stackcount.py
@@ -339,7 +339,7 @@ BPF_STACK_TRACE(stack_traces, 1024);
# print folded stack output
user_stack = list(user_stack)
kernel_stack = list(kernel_stack)
- line = [k.name.decode()] + \
+ line = [k.name.decode('utf-8', 'replace')] + \
[b.sym(addr, k.tgid) for addr in
reversed(user_stack)] + \
(self.need_delimiter and ["-"] or []) + \
diff --git a/tools/statsnoop.py b/tools/statsnoop.py
index 6fd8049..4e62ebd 100755
--- a/tools/statsnoop.py
+++ b/tools/statsnoop.py
@@ -172,8 +172,9 @@ print("%-6s %-16s %4s %3s %s" % ("PID", "COMM", "FD", "ERR", "PATH"))
if args.timestamp:
print("%-14.9f" % (float(event.ts_ns - start_ts) / 1000000000), end="")
- print("%-6d %-16s %4d %3d %s" % (event.pid, event.comm.decode(),
- fd_s, err, event.fname.decode()))
+ print("%-6d %-16s %4d %3d %s" % (event.pid,
+ event.comm.decode('utf-8', 'replace'), fd_s, err,
+ event.fname.decode('utf-8', 'replace')))
# loop with callback to print_event
b["events"].open_perf_buffer(print_event, page_cnt=64)
diff --git a/tools/tcpaccept.py b/tools/tcpaccept.py
index 044f15c..884b0c5 100755
--- a/tools/tcpaccept.py
+++ b/tools/tcpaccept.py
@@ -239,7 +239,7 @@ TASK_COMM_LEN = 16 # linux/sched.h
start_ts = event.ts_us
print("%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), end="")
print("%-6d %-12.12s %-2d %-16s %-16s %-4d" % (event.pid,
- event.task.decode(), event.ip,
+ event.task.decode('utf-8', 'replace'), event.ip,
inet_ntop(AF_INET, pack("I", event.daddr)),
inet_ntop(AF_INET, pack("I", event.saddr)), event.lport))
@@ -251,8 +251,9 @@ TASK_COMM_LEN = 16 # linux/sched.h
start_ts = event.ts_us
print("%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), end="")
print("%-6d %-12.12s %-2d %-16s %-16s %-4d" % (event.pid,
- event.task.decode(), event.ip, inet_ntop(AF_INET6, event.daddr),
- inet_ntop(AF_INET6, event.saddr), event.lport))
+ event.task.decode('utf-8', 'replace'), event.ip,
+ inet_ntop(AF_INET6, event.daddr),inet_ntop(AF_INET6, event.saddr),
+ event.lport))
# initialize BPF
b = BPF(text=bpf_text)
diff --git a/tools/tcpconnect.py b/tools/tcpconnect.py
index f0b23b0..ac84326 100755
--- a/tools/tcpconnect.py
+++ b/tools/tcpconnect.py
@@ -202,7 +202,7 @@ TASK_COMM_LEN = 16 # linux/sched.h
start_ts = event.ts_us
print("%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), end="")
print("%-6d %-12.12s %-2d %-16s %-16s %-4d" % (event.pid,
- event.task.decode(), event.ip,
+ event.task.decode('utf-8', 'replace'), event.ip,
inet_ntop(AF_INET, pack("I", event.saddr)),
inet_ntop(AF_INET, pack("I", event.daddr)), event.dport))
@@ -214,8 +214,9 @@ TASK_COMM_LEN = 16 # linux/sched.h
start_ts = event.ts_us
print("%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), end="")
print("%-6d %-12.12s %-2d %-16s %-16s %-4d" % (event.pid,
- event.task.decode(), event.ip, inet_ntop(AF_INET6, event.saddr),
- inet_ntop(AF_INET6, event.daddr), event.dport))
+ event.task.decode('utf-8', 'replace'), event.ip,
+ inet_ntop(AF_INET6, event.saddr), inet_ntop(AF_INET6, event.daddr),
+ event.dport))
# initialize BPF
b = BPF(text=bpf_text)
diff --git a/tools/tcpconnlat.py b/tools/tcpconnlat.py
index 233612b..0d21b83 100755
--- a/tools/tcpconnlat.py
+++ b/tools/tcpconnlat.py
@@ -237,7 +237,7 @@ start_ts = 0
start_ts = event.ts_us
print("%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), end="")
print("%-6d %-12.12s %-2d %-16s %-16s %-5d %.2f" % (event.pid,
- event.task.decode(), event.ip,
+ event.task.decode('utf-8', 'replace'), event.ip,
inet_ntop(AF_INET, pack("I", event.saddr)),
inet_ntop(AF_INET, pack("I", event.daddr)), event.dport,
float(event.delta_us) / 1000))
@@ -250,9 +250,9 @@ start_ts = 0
start_ts = event.ts_us
print("%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), end="")
print("%-6d %-12.12s %-2d %-16s %-16s %-5d %.2f" % (event.pid,
- event.task.decode(), event.ip, inet_ntop(AF_INET6, event.saddr),
- inet_ntop(AF_INET6, event.daddr), event.dport,
- float(event.delta_us) / 1000))
+ event.task.decode('utf-8', 'replace'), event.ip,
+ inet_ntop(AF_INET6, event.saddr), inet_ntop(AF_INET6, event.daddr),
+ event.dport, float(event.delta_us) / 1000))
# header
if args.timestamp:
diff --git a/tools/tcplife.py b/tools/tcplife.py
index f8bab43..51ed7ae 100755
--- a/tools/tcplife.py
+++ b/tools/tcplife.py
@@ -454,7 +454,7 @@ format_string = "%-5d %-10.10s %s%-15s %-5d %-15s %-5d %5d %5d %.2f"
print("%.6f," % delta_s, end="")
else:
print("%-9.6f " % delta_s, end="")
- print(format_string % (event.pid, event.task.decode(),
+ print(format_string % (event.pid, event.task.decode('utf-8', 'replace'),
"4" if args.wide or args.csv else "",
inet_ntop(AF_INET, pack("I", event.saddr)), event.ports >> 32,
inet_ntop(AF_INET, pack("I", event.daddr)), event.ports & 0xffffffff,
@@ -476,7 +476,7 @@ format_string = "%-5d %-10.10s %s%-15s %-5d %-15s %-5d %5d %5d %.2f"
print("%.6f," % delta_s, end="")
else:
print("%-9.6f " % delta_s, end="")
- print(format_string % (event.pid, event.task.decode(),
+ print(format_string % (event.pid, event.task.decode('utf-8', 'replace'),
"6" if args.wide or args.csv else "",
inet_ntop(AF_INET6, event.saddr), event.ports >> 32,
inet_ntop(AF_INET6, event.daddr), event.ports & 0xffffffff,
diff --git a/tools/tcpstates.py b/tools/tcpstates.py
index ec758d2..381a6d5 100755
--- a/tools/tcpstates.py
+++ b/tools/tcpstates.py
@@ -276,7 +276,7 @@ format_string = ("%-16x %-5d %-10.10s %s%-15s %-5d %-15s %-5d %-11s " +
print("%.6f," % delta_s, end="")
else:
print("%-9.6f " % delta_s, end="")
- print(format_string % (event.skaddr, event.pid, event.task.decode(),
+ print(format_string % (event.skaddr, event.pid, event.task.decode('utf-8', 'replace'),
"4" if args.wide or args.csv else "",
inet_ntop(AF_INET, pack("I", event.saddr)), event.ports >> 32,
inet_ntop(AF_INET, pack("I", event.daddr)), event.ports & 0xffffffff,
@@ -299,7 +299,7 @@ format_string = ("%-16x %-5d %-10.10s %s%-15s %-5d %-15s %-5d %-11s " +
print("%.6f," % delta_s, end="")
else:
print("%-9.6f " % delta_s, end="")
- print(format_string % (event.skaddr, event.pid, event.task.decode(),
+ print(format_string % (event.skaddr, event.pid, event.task.decode('utf-8', 'replace'),
"6" if args.wide or args.csv else "",
inet_ntop(AF_INET6, event.saddr), event.ports >> 32,
inet_ntop(AF_INET6, event.daddr), event.ports & 0xffffffff,
diff --git a/tools/tcptracer.py b/tools/tcptracer.py
index 5e97ee6..16bb4b1 100755
--- a/tools/tcptracer.py
+++ b/tools/tcptracer.py
@@ -556,7 +556,7 @@ verbose_types = {"C": "connect", "A": "accept",
print("%-2s " % (type_str), end="")
print("%-6d %-16s %-2d %-16s %-16s %-6d %-6d" %
- (event.pid, event.comm.decode('utf-8'),
+ (event.pid, event.comm.decode('utf-8', 'replace'),
event.ip,
inet_ntop(AF_INET, pack("I", event.saddr)),
inet_ntop(AF_INET, pack("I", event.daddr)),
@@ -593,7 +593,7 @@ verbose_types = {"C": "connect", "A": "accept",
print("%-2s " % (type_str), end="")
print("%-6d %-16s %-2d %-16s %-16s %-6d %-6d" %
- (event.pid, event.comm.decode('utf-8'),
+ (event.pid, event.comm.decode('utf-8', 'replace'),
event.ip,
"[" + inet_ntop(AF_INET6, event.saddr) + "]",
"[" + inet_ntop(AF_INET6, event.daddr) + "]",
diff --git a/tools/trace.py b/tools/trace.py
index 16e9b6b..2233305 100755
--- a/tools/trace.py
+++ b/tools/trace.py
@@ -558,7 +558,8 @@ BPF_PERF_OUTPUT(%s);
if Probe.print_cpu:
print("%-3s " % event.cpu, end="")
print("%-7d %-7d %-15s %-16s %s" %
- (event.tgid, event.pid, event.comm.decode(),
+ (event.tgid, event.pid,
+ event.comm.decode('utf-8', 'replace'),
self._display_function(), msg))
if self.kernel_stack:
diff --git a/tools/ttysnoop.py b/tools/ttysnoop.py
index e934486..9780518 100755
--- a/tools/ttysnoop.py
+++ b/tools/ttysnoop.py
@@ -115,7 +115,7 @@ BUFSIZE = 256
# process event
def print_event(cpu, data, size):
event = ct.cast(data, ct.POINTER(Data)).contents
- print("%s" % event.buf[0:event.count].decode(), end="")
+ print("%s" % event.buf[0:event.count].decode('utf-8', 'replace'), end="")
sys.stdout.flush()
# loop with callback to print_event
diff --git a/tools/zfsslower.py b/tools/zfsslower.py
index 6de4606..8ab283a 100755
--- a/tools/zfsslower.py
+++ b/tools/zfsslower.py
@@ -265,12 +265,14 @@ TASK_COMM_LEN = 16 # linux/sched.h
if (csv):
print("%d,%s,%d,%s,%d,%d,%d,%s" % (
- event.ts_us, event.task.decode(), event.pid, type, event.size,
- event.offset, event.delta_us, event.file.decode()))
+ event.ts_us, event.task.decode('utf-8', 'replace'), event.pid,
+ type, event.size, event.offset, event.delta_us,
+ event.file.decode('utf-8', 'replace')))
return
print("%-8s %-14.14s %-6s %1s %-7s %-8d %7.2f %s" % (strftime("%H:%M:%S"),
- event.task.decode(), event.pid, type, event.size, event.offset / 1024,
- float(event.delta_us) / 1000, event.file.decode()))
+ event.task.decode('utf-8', 'replace'), event.pid, type, event.size,
+ event.offset / 1024, float(event.delta_us) / 1000,
+ event.file.decode('utf-8', 'replace')))
# initialize BPF
b = BPF(text=bpf_text)
--
2.17.2