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[Bug tapsets/11388] syscall.mmap* probes versus 2.6.33+ kernels


------- Additional Comments From dsmith at redhat dot com  2010-03-17 16:09 -------
Here's an example of the stap output with these kernel changes (kernel
2.6.32.9-70.fc12.i686.PAE):

# stap -ve 'probe syscall.mmap* { printf("%s\n", argstr) }'
Pass 1: parsed user script and 67 library script(s) using
20428virt/12512res/2048shr kb, in 490usr/30sys/527real ms.
semantic error: probe point mismatch at position 1 (alternatives: accept access
acct add_key adjtimex alarm bdflush bind brk capget capset chdir chmod chown
chown16 chroot clock_getres clock_gettime clock_nanosleep clock_settime close
compat_adjtimex compat_clock_nanosleep compat_execve compat_futex
compat_futimesat compat_getitimer compat_io_setup compat_io_submit
compat_nanosleep compat_ppoll compat_pselect6 compat_pselect7 compat_pselect7a
compat_select compat_setitimer compat_signalfd compat_sys_msgctl
compat_sys_msgrcv compat_sys_msgsnd compat_sys_recvmsg compat_sys_semctl
compat_sys_semtimedop compat_sys_sendmsg compat_sys_shmat compat_sys_shmctl
compat_sys_utimes compat_utime compat_utimensat compat_vmsplice connect creat
delete_module dup dup2 epoll_create epoll_ctl epoll_pwait epoll_wait eventfd
execve exit exit_group faccessat fadvise64 fadvise64_64 fchdir fchmod fchmodat
fchown fchown16 fchownat fcntl fdatasync fgetxattr flistxattr flock fork
fremovexattr fsetxattr fstat fstatat fstatfs fstatfs64 fsync ftruncate
ftruncate64 futex futimesat get_mempolicy get_thread_area getcwd getdents
getegid geteuid getgid getgroups gethostname getitimer getpeername getpgid
getpgrp getpid getppid getpriority getresgid getresuid getrlimit getrusage
getsid getsockname getsockopt gettid gettimeofday getuid getxattr init_module
inotify_add_watch inotify_init inotify_rm_watch io_cancel io_destroy
io_getevents io_setup io_submit ioctl ioperm iopl ioprio_get ioprio_set ipc
kexec_load keyctl kill lchown lchown16 lgetxattr link linkat listen listxattr
llistxattr llseek lookup_dcookie lremovexattr lseek lsetxattr lstat madvise
mbind migrate_pages mincore mkdir mkdirat mknod mknodat mlock mlockall mmap2
modify_ldt mount move_pages mprotect mq_getsetattr mq_notify mq_open
mq_timedreceive mq_timedsend mq_unlink mremap msgctl msgget msgrcv msgsnd msync
munlock munlockall munmap nanosleep nfsservctl ni_syscall nice open openat pause
personality pipe pivot_root poll ppoll prctl pread pselect6 pselect7 ptrace
pwrite pwrite32 quotactl read readahead readdir readlink readlinkat readv reboot
recv recvfrom recvmsg remap_file_pages removexattr rename renameat request_key
restart_syscall rmdir rt_sigaction rt_sigaction32 rt_sigpending rt_sigprocmask
rt_sigqueueinfo rt_sigreturn rt_sigsuspend rt_sigtimedwait
sched_get_priority_max sched_get_priority_min sched_getaffinity sched_getparam
sched_getscheduler sched_rr_get_interval sched_setaffinity sched_setparam
sched_setscheduler sched_yield select semctl semget semop semtimedop send
sendfile sendmsg sendto set_mempolicy set_thread_area set_tid_address
set_zone_reclaim setdomainname setfsgid setfsuid setgid setgroups sethostname
setitimer setpgid setpriority setregid setregid16 setresgid setresgid16
setresuid setresuid16 setreuid setreuid16 setrlimit setsid setsockopt
settimeofday settimeofday32 setuid setxattr sgetmask shmat shmctl shmdt shmget
shutdown sigaction sigaction32 sigaltstack signal signalfd sigpending
sigprocmask sigreturn sigsuspend socket socketpair splice ssetmask stat statfs
statfs64 stime swapoff swapon symlink symlinkat sync sysctl sysfs sysinfo syslog
tee tgkill time timer_create timer_delete timer_getoverrun timer_gettime
timer_settime timerfd times tkill truncate tux umask umount uname unlink
unlinkat unshare uselib ustat ustat32 utime utimensat utimes vhangup vm86
vm86old vmsplice wait4 waitid write writev) didn't find any wildcard matches:
identifier 'mmap*' at <input>:1:15 while resolving probe point syscall.mmap*
        source: probe syscall.mmap* { printf("%s\n", argstr) }
                              ^
Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 embed(s), 0 global(s)
using 172624virt/99344res/73720shr kb, in 1310usr/860sys/8520real ms.
Pass 2: analysis failed.  Try again with another '--vp 01' option.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|systemtap at sources dot    |dsmith at redhat dot com
                   |redhat dot com              |
             Status|NEW                         |ASSIGNED


http://sourceware.org/bugzilla/show_bug.cgi?id=11388

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