Could not attach to process.If your uid matches the uidofthe target process,check the settingof/proc/sys/kernel/yama/ptrace_scope,ortryagainasthe root user.For more details,see/etc/sysctl.d/10-ptrace.conf 5. 使用选项 -t 打印每个跟踪输出行的时间戳 要打印每个 strace 输出行的时间戳,请使用...
Strace will display the following error when your user id does not match the user id of the given process. $ strace -p 1725 -o output.txt attach: ptrace(PTRACE_ATTACH, ...): Operation not permitted Could not attach to process. If your uid matches the uid of the target process, check...
Adding both "--cap-add=SYS_PTRACE" and "--security-opt=apparmor:unconfined" does not allow container to run programs like strace/ltrace using the ptrace (PTRACE_TRACEME). $ docker run -i -t --cap-add=SYS_PTRACE --security-opt=apparmor:un...
process(es)leaving it(them)tocontinuerunning. Multiple-poptions can be used to attach to up to32processesinaddition tocommand(which is optionalifat least one-poption is given).-sstrsize Specify the maximum string size to print(the default is32). Note that filenames are not considered string...
This option is useful if you want to trace multi-threaded process and therefore require -f, but don't want to trace its (potentially very complex) children. -D --daemonize --daemonize=grandchild Run tracer process as a grandchild, not as the parent of the tracee. This reduces the ...
Error: Could not Copy $ strace -p 9026 Process 9026 attached - interrupt to quit read(3, "\1\0\0\1\1A\0\0\2\3def\7youtomb\tartifacts\ta"..., 16384) = 116 poll([{fd=3, events=POLLIN|POLLPRI}], 1, 0) = 0 (Timeout) write(3, "0\0\0\0\3SELECT timestamp FROM artifa...
When a traced process receives a SIGTRAP signal not associated with tracing, strace will not report that signal correctly. This signal is not normally used by programs, but could be via a hard-coded break instruction or via kill(2). PROBLEMS Problems with strace should be reported via the ...