error::inode-uprobes man page on RedHat

error::inode-uprobes man page on RedHat

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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 limitations in inode-uprobes that pre‐
       clude some systemtap constructs.	 Over time, we hope these  regressions
       will be corrected.

       function.return probes
	      process.function().return	  probes  require  "return-probes"  or
	      "uretprobes" functionality, 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  mem‐
	      ory  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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