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ERROR::INODE-UPROBES(7STAP) - Linux man page online | Overview, conventions, and miscellany

Limitations of inode-uprobes.

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ERROR::INODE-UPROBES(7stap) ERROR::INODE-UPROBES(7stap)

NAME

error::inode-uprobes - limitations of inode-uprobes

DESCRIPTION

The uprobes kernel facility introduced in Linux 3.5 aims to supplant the earlier out-of- tree utrace patch to enable user-space probing. There have been some functional limita‐ tions in inode-uprobes that preclude some systemtap constructs. Over time, we hope these regressions will be corrected. function.return probes process.function().return probes require "return-probes" or "uretprobes" function‐ ality, which was not implemented in the builtin inode-uprobes until kernel 3.10. If you cannot upgrade your kernel, consider using process.statement() probes placed on source line numbers at the function's return statements. function.statement.absolute probes In utrace-equipped kernels, systemtap made it possible to address probes by literal addresses in the process virtual memory address space. The new inode-uprobes does not have this capability.

SEE ALSO

stap(1), http://kernelnewbies.org/Linux_3.5, http://sourceware.org/systemtap/wiki/utrace, error::reporting(7stap)
ERROR::INODE-UPROBES(7stap)
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error::inode-uprobes(7stap) referred by error::pass2(7stap)
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