[Bug translator/6455] New: marker probe: Format mismatch error for markings defined with MARK_NOARGS

[mhiramat at redhat dot com]

I got "Format mismatch" messages when I ran below command on lttng-patched kernel.

$ stap -ve 'probe kernel.mark("kernel_irq_exit"),
kernel.mark("kernel_arch_trap_exit"){exit()}'
---
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_arch_trap_exit (), marker ( )
Format mismatch for probe kernel_irq_exit (), marker ( )
---

I found MARK_NOARGS is not a null string, it is defined as a space in
linux/marker.h.
#define MARK_NOARGS " "

-- 
           Summary: marker probe: Format mismatch error for markings defined
                    with MARK_NOARGS
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: mhiramat at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=6455

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