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authorSteven Rostedt <rostedt@goodmis.org>2022-01-14 04:08:40 +0300
committerSteven Rostedt <rostedt@goodmis.org>2022-01-14 11:42:24 +0300
commitf37c3bbc635994eda203a6da4ba0f9d05165a8d6 (patch)
tree0d0cd245f1558617503c7f61dd9f426ff6200d6e /samples
parent5dce5904e3b9bc11d9635dd3458c7ff32caebb59 (diff)
downloadlinux-f37c3bbc635994eda203a6da4ba0f9d05165a8d6.tar.xz
tracing: Add ustring operation to filtering string pointers
Since referencing user space pointers is special, if the user wants to filter on a field that is a pointer to user space, then they need to specify it. Add a ".ustring" attribute to the field name for filters to state that the field is pointing to user space such that the kernel can take the appropriate action to read that pointer. Link: https://lore.kernel.org/all/yt9d8rvmt2jq.fsf@linux.ibm.com/ Fixes: 77360f9bbc7e ("tracing: Add test for user space strings when filtering on string pointers") Tested-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'samples')
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